Explore 5 senior full stack java react developer jobs from 2 hiring companies in Ventura, CA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Senior Full Stack Java React Developer Jobs

Ascendiun

Disney

The Walt Disney Company

Hybrid

Onsite

Job Posting Title:Principal Full Stack Software Engineer - Ad ExperiencesReq ID:10134830Job Description:Technology is at the heart of Disney’s past, present, and future. Disney Entertainment and ESPN Product &amp; Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more – all working to build and advance the technological backbone for Disney’s media business globally.The team marries technology with creativity to build world-class products, enhance storytelling, and drive velocity, innovation, and scalability for our businesses. We are Storytellers and Innovators. Creators and Builders. Entertainers and Engineers. We work with every part of The Walt Disney Company’s media portfolio to advance the technological foundation and consumer media touch points serving millions of people around the world. Here are a few reasons why we think you’d love working here:<ul><li>Building the future of Disney’s media: Our Technologists are designing and building the products and platforms that will power our media, advertising, and distribution businesses for years to come.</li><li>Reach, Scale &amp; Impact: More than ever, Disney’s technology and products serve as a signature doorway for fans&#39; connections with the company’s brands and stories. Disney&#43;. Hulu. ESPN. ABC. ABC News…and many more. These products and brands – and the unmatched stories, storytellers, and events they carry – matter to millions of people globally. </li><li>Innovation: We develop and implement groundbreaking products and techniques that shape industry norms, and solve complex and distinctive technical problems.</li></ul>Ad Platforms is responsible for Disney’s industry-leading ad technology and products – driving advertising performance, innovation, and value in Disney’s sports, news, and entertainment content, across all media platforms.The Ad Experiences Fleet aims to unleash the magic of Disney by leveraging cutting-edge creative tools and fostering creative innovation to craft captivating, interactive ad experiences that deeply resonate with consumers and deliver superior value for our advertisers while enhancing the viewer experience to maximize revenue.As part of our team, you’ll develop and own systems that enable rapid prototyping, testing, and validation of interactive ad formats with real viewers and advertisers—fueling innovation and revenue growth across our CTV platforms. These experiences are then integrated into creative platforms also owned by the Fleet leading to new ad experiences available to all ad tier users.As our team&#39;s Principal Software Engineer, you will apply your battle-tested experience, deep technical knowledge of software and systems, and leadership skills to help teams create scalable, performant, maintainable, and testable systems.Daily, you should bring: <ul><li>A willingness and desire to effectively communicate and collaborate across teams and organizations.</li><li>Demonstrated ownership and expertise in the projects delivered by our teams.</li><li>Proficiency in designing and implementing robust, scalable, tolerant distributed systems, as well as in advocating best practices to fellow engineers.</li><li>A passion for mentoring, learning, and adapting to a very dynamic and fast-paced environment.</li><li>A proven ability to work with product teams to influence and translate requirements into well-defined technical implementations, as well as the ability to define technical and operational metrics to measure system health.</li><li>Possess knowledge of relevant technologies and their potential applications within our systems, and be able to articulate their pros and cons.</li><li>A keen eye for potential optimizations and enhancements to our services using dedicated research time.</li><li>Kindness and pragmatic optimism.</li><li>Your unique view and experience.</li></ul>Responsibilities and Expectations: <ul><li>Writing and reviewing a lot of code and tests.</li><li>Reviewing code and test implementations for best practices and algorithmic complexity.</li><li>Available to support engineers on an On-Call shift, when needed.</li><li>Reading requirements documentation from Product, providing a perspective on feasibility and translating into implementation tasks, and partnering with teams’ leads through execution as needed.</li><li>Exploring, researching, implementing proofs-of-concept, and proposing solutions that will improve Ad Serving systems (reduce cost and overhead, improve maintainability, minimize the time features take to be in production, etc).</li><li>Defining, reviewing, and documenting software and system designs in a high throughput, low latency microservices environment.</li><li>Enhancing systems’ observability with proper metrics, monitors, and alerts.</li><li>Mentoring and inspiring others in all aspects of professional software development.</li></ul>Basic Qualifications: <ul><li>BS or MS in Computer Science/Engineering or relevant work experience</li><li>10&#43; years of software engineering experience</li><li>Advanced proficiency with Java, such as understanding heap, multi-threading, garbage collection, profiling</li><li>Advanced proficiency with front end technologies such as Node, React, NextJS, Express, Typescript, Tailwind</li><li>Demonstrable analytical / problem-solving / design skills in a highly distributed and highly available services ecosystem</li><li>Excellent communication, collaboration skills, and a strong teamwork ethic with both technical and non-technical audiences</li></ul>Comprehensive experience with: <ul><li>SpringBoot and related Spring projects</li><li>Non-relational database technologies e.g. DynamoDB</li><li>Redis and/or MemCache</li><li>Apache Kafka and/or Kinesis</li><li>AWS or any other cloud platform</li><li>Observability tooling (logs, metrics, etc)</li><li>Front end technologies and frameworks such as Node, React, NextJS, Express, Typescript, Tailwind</li></ul>Preferred Qualifications: <ul><li>Comprehensive experience with Terraform, Docker, and Kubernetes</li><li>Ad Tech Industry knowledge.</li></ul>Location:<ul><li>Expected to be in the office four days a week.</li><li>Office location : Santa Monica / Seattle</li></ul>#DISNEYTECHThe hiring range for this position in Los Angeles, CA is $184,300 - $247,100 per year and in Seattle, WA is $193,100 - $258,900 per year. The base pay actually offered will take into account internal equity and also may vary depending on the candidate’s geographic region, job-related knowledge, skills, and experience among other factors. A bonus and/or long-term incentive units may be provided as part of the compensation package, in addition to the full range of medical, financial, and/or other benefits, dependent on the level and position offered.Job Posting Segment:Ad PlatformsJob Posting Primary Business:AP - Software EngineeringPrimary Job Posting Category:Software EngineerEmployment Type:Full timePrimary City, State, Region, Postal Code:Glendale, CA, USAAlternate City, State, Region, Postal Code:USA - CA - 2450 Broadway, USA - WA - 925 4th AveDate Posted:2025-10-29

Principal Full Stack Software Engineer - Ad Experiences

Principal Full Stack Software Engineer

Senior software engineer with 10+ years of experience in distributed systems and full stack development.

Job Posting Title:Lead Full Stack Engineer (Front-end UI), Ad DecisioningReq ID:10134963Job Description:Technology is at the heart of Disney’s past, present, and future. Disney Entertainment and ESPN Product &amp; Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more – all working to build and advance the technological backbone for Disney’s media business globally.The team marries technology with creativity to build world-class products, enhance storytelling, and drive velocity, innovation, and scalability for our businesses. We are Storytellers and Innovators. Creators and Builders. Entertainers and Engineers. We work with every part of The Walt Disney Company’s media portfolio to advance the technological foundation and consumer media touch points serving millions of people around the world. Here are a few reasons why we think you’d love working here:<ul><li>Building the future of Disney’s media: Our Technologists are designing and building the products and platforms that will power our media, advertising, and distribution businesses for years to come.</li><li>Reach, Scale &amp; Impact: More than ever, Disney’s technology and products serve as a signature doorway for fans&#39; connections with the company’s brands and stories. Disney&#43;. Hulu. ESPN. ABC. ABC News…and many more. These products and brands – and the unmatched stories, storytellers, and events they carry – matter to millions of people globally. </li><li>Innovation: We develop and implement groundbreaking products and techniques that shape industry norms, and solve complex and distinctive technical problems.</li></ul>Ad Platforms is responsible for Disney’s industry-leading ad technology and products – driving advertising performance, innovation, and value in Disney’s sports, news, and entertainment content, across all media platforms.As part of the Decisioning Fleet, you will help build UI tools that analyze what ads are competing for slots for ad breaks across Hulu, Disney&#43;, ESPN, and others. You will directly contribute to optimizing ad qualification and selection to make sure viewers always see the right ad at the right time.As a Lead Software Engineer (non-manager), you will apply your deep technical knowledge and skills to help us deliver scalable, performant, maintainable, loosely coupled, encapsulated, and testable software.Daily, you should bring:<ul><li>A willingness and desire to effectively communicate and collaborate across teams and systems.</li><li>Demonstrated project ownership.</li><li>System and API design, and implementation best practices to guide and mentor, for example, micro-service encapsulation and loose coupling.</li><li>A passion for mentoring, learning, and adapting to a very dynamic and fast-paced environment.</li><li>A proven ability to work with product teams to translate requirements into well-defined technical implementations, as well as the ability to define technical and operational metrics to measure system health.</li><li>A keen eye for potential optimizations and enhancements.</li><li>Kindness and pragmatic optimism.</li><li>A deep understanding of Java and Front-end languages, as well as the Software Development Lifecycle.</li></ul>Responsibilities:<ul><li>Holistic understanding of the team’s domain and serving as a point of contact for stakeholders.</li><li>Leading by example, supporting their peers, and striving to improve code and design towards more scalable, clean, and decoupled implementations.</li><li>Facilitate discussions and drive resolution, making sure outcomes are clear and well-communicated.</li><li>Designing, implementing, and testing full stack solutions to various engineering problems in a high-throughput, low-latency microservices environment.</li><li>Understanding and use of automated tools (AI) while adhering to company policy.</li><li>Reading and understanding product user stories, translating them into actionable tasks, and leading the team through their execution.</li><li>Enhancing systems’ observability with proper metrics, monitors, and alerts.</li><li>Available for On-Call rotations based on the team’s escalation policy and support schedule.</li></ul>Basic Qualifications:<ul><li>BS or MS in Computer Science / Engineering or relevant work experience.</li><li>7&#43; years of software engineering experience.</li><li>Advanced proficiency with Java, including but not limited to understanding memory management, multi-threading, profiling, thread pools, connection pools, and HTTP protocols.</li><li>Demonstrable analytical / problem-solving skills.</li><li>Great communication, collaboration skills, and a strong teamwork ethic with both technical and non-technical audiences.</li></ul>Experience with:<ul><li>SpringBoot and related Spring projects</li><li>Non-relational database technologies like DynamoDB.</li><li>Caching datastores such as Redis, ValKey, or MemCache.</li><li>Data Streaming Mechanisms such as Apache Kafka and/or Kinesis.</li><li>Cloud platforms such as AWS.</li><li>Modern DevOps tools such as Terraform, Docker, and Kubernetes.</li><li>Microservice architecture.</li><li>Front end technologies and frameworks such as Node, React, NextJS, Express, Typescript, Tailwind</li></ul>Preferred Qualifications: <ul><li>Domain knowledge in the Ad Tech industry.</li></ul>Additional Information: <ul><li>Engineers are expected to be in the office four days a week.</li><li>This role is hiring in San Francisco, Santa Monica, Glendale, or Seattle</li></ul>#DISNEYTECHThe hiring range for this position in Los Angeles, CA area is $152,200 - $204,100 per year and San Francisco Bay Area is $166,800 - $223,600. The base pay actually offered will take into account internal equity and also may vary depending on the candidate’s geographic region, job-related knowledge, skills, and experience among other factors. A bonus and/or long-term incentive units may be provided as part of the compensation package, in addition to the full range of medical, financial, and/or other benefits, dependent on the level and position offered.Job Posting Segment:Ad PlatformsJob Posting Primary Business:AP - Software EngineeringPrimary Job Posting Category:Software EngineerEmployment Type:Full timePrimary City, State, Region, Postal Code:Glendale, CA, USAAlternate City, State, Region, Postal Code:USA - CA - 2450 Broadway, USA - CA - Market St, USA - WA - 925 4th AveDate Posted:2025-10-30

Lead Full Stack Engineer (Front-end UI), Ad Decisioning

Lead Full Stack Engineer

7+ years software engineering; strong Java and front-end skills; experience with SpringBoot, DynamoDB, Redis, Kafka/Kinesis; AWS, Terraform, Docker, Kubernetes; excellent collaboration and communication.

Your Role&nbsp;&nbsp;As a Full Stack Engineer in the healthcare space, you’ll architect seamless, mission‑critical applications that clinicians and patients depend on. From polished interfaces to high‑performance backends, you’ll shape technology that improves care delivery and enhances lives.Our leadership model is about developing great leaders at all levels and creating opportunities for our people to grow – personally, professionally, and financially. We are looking for leaders that are energized by creative and critical thinking, building and sustaining high-performing teams, getting results the right way, and fostering continuous learning.<h3>Responsibilities</h3><div>Your Work &nbsp;In this role, you will: &nbsp;<ul><li>Design, build, and maintain end-to-end application features across UI, API, and data layers</li><li>Develop secure, testable, and maintainable code aligned with modern architectural patterns</li><li>Implement system integrations and manage reliable data models for distributed components</li><li>Ensure applications are cloud-ready and compatible with established CI/CD workflows</li><li>Contribute to application logging, monitoring, and diagnostics to support operational visibility</li><li>Leverage AI tools to enhance productivity, code quality, and documentation, while critically applying outputs</li><li>Collaborate with cross-functional teams to translate requirements into scalable technical solutions and take ownership of delivered components &nbsp;</li></ul></div><h3>Qualifications</h3><div>Your Knowledge and Experience &nbsp;<ul><li>5+ years of experience in full stack development</li><li>BA/BS or equivalent IT experience</li><li>Proficiency in modern front-end frameworks (React, Vue, Angular or similar) and JavaScript/TypeScript</li><li>Experience building backend services and APIs using .NET, Java, Node.js, Python, or similar technologies</li><li>Strong knowledge of SQL (e.g., MS SQL Server, Oracle) and/or NoSQL databases and RESTful integrations</li><li>Experience developing cloud-native applications (Azure preferred; AWS/GCP acceptable)</li><li>Familiarity with containerization (e.g., Docker)</li><li>Familiarity using Infrastructure as Code (e.g., Ansible, Bicep, ARM, Terraform) to provision and manage cloud resources</li><li>Working knowledge of CI/CD pipelines and version control systems (e.g., GitHub, GitLab, Bitbucket)</li><li>Experience using AI-assisted coding tools in professional software development (e.g., GitHub Copilot, Cursor, Claude, or similar)</li><li>Experience working in regulated environments (e.g., healthcare) preferred</li><li>Familiarity with healthcare interoperability standards or enterprise healthcare platforms (e.g., Epic) preferred &nbsp;</li><li>End-to-end ownership mindset – thinks about UI, logic, and data as one cohesive system</li><li>Engineering pragmatism – balances ideal architecture with delivery speed and business value</li><li>AI-augmented builder – leverages AI tools effectively while maintaining strong engineering judgment</li><li>Effective collaboration with product, design, QA, security, and platform teams</li><li>Ability to operate in dynamic, evolving environments with shifting priorities</li><li>Clear communication of technical concepts to both technical and non-technical stakeholders&nbsp;</li></ul>&nbsp;HybridThis role requires employees to be in-office based on our hybrid workplace model, balancing purposeful in-person collaboration with flexibility. For most teams, this means coming into the office two days each week.Employees living more than 50 miles from an office location will work with their manager to determine in-office time based on business need.&nbsp;#LI-JA1</div><h3>About Company</h3><div>About Stellarus and the Ascendiun Family of Companies
Stellarus, launched in January 2025, is designed to scale innovative healthcare solutions that support customers in creating a health care experience deserving of their family, friends, and neighbors.&nbsp;&nbsp; &nbsp; 
 &nbsp; 
 Stellarus is part of a family of organizations that is overseen by a nonprofit corporate entity named Ascendiun. The Ascendiun Family of Companies also includes Blue Shield of California and its subsidiary, Blue Shield of California Promise Health Plan and Altais, a clinical services company.&nbsp;
Stellarus’ vision is to empower its customers to create a healthcare experience that is worthy of their family, friends, and neighbors. Stellarus’ objective is to offer innovative, modern, scalable solutions that challenge the health care status quo. This very closely aligns with Blue Shield of California’s vision by using innovation to improve quality, affordability, and experience for members.&nbsp; &nbsp;
To achieve our mission, we foster an environment where all employees can thrive and contribute fully to address the needs of the various communities we serve. We are committed to creating and maintaining a supportive workplace that upholds our values and advances our goals.
Our Values:&nbsp;
At Stellarus, our core values of agility, trust, drive, courage and service shape our approach to developing innovative product offerings.

<ul style="font-style:normal; font-weight:400"></ul>

<div style="font-style:normal; font-weight:400">
 Our&nbsp;Workplace Model:&nbsp;
 We believe in fostering a workplace environment that balances purposeful in-person collaboration with flexibility - providing clear expectations while respecting the diverse needs of our workforce. Our&nbsp;workplace model&nbsp;is designed around intentional in-person interaction, collaboration, connection,&nbsp;creativity&nbsp;and flexibility:
 <ul>
 <li>
 For most teams, this means coming into the office two days per week.</li>
 <li>
 Employees living more than 50 miles from an office location, out of state employees, and employees in certain member-facing roles should work with their manager to determine in-office time based on business need.</li>
 <li>
 For employees with medical conditions that may impact their ability to work in-office, we are committed to engaging in an interactive process and providing reasonable accommodations to ensure their work environment is conducive to their success and well-being.</li>
 </ul>
 The Company reserves the right to&nbsp;require&nbsp;more presence in the office based on business needs, and requirements are subject to change with periodic reviews.
 
</div>
<ul></ul>
<ul style="margin-top:0in"></ul>
Physical Requirements:
Office Environment - roles involving part to full time schedule in Office Environment. Based in our physical offices and work from home office/deskwork - Activity level: Sedentary, frequency most of work day.
<a href="https://www.blueshieldca.com/physical-job-requirements" target="_blank" rel="nofollow">Please click here for further physical requirement detail.</a>&nbsp;
Equal Employment Opportunity:
External hires must pass a background check/drug screen. Qualified applicants with arrest records and/or conviction records will be considered for employment in a manner consistent with Federal, State and local laws, including but not limited to the San Francisco Fair Chance Ordinance. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, national origin, sexual orientation, gender identity, protected veteran status or disability status and any other classification protected by Federal, State and local laws.</div>

Application Developer, Senior

Application Developer

5+ years full stack development; BA/BS; front-end frameworks; backend APIs in .NET/Java/Node.js/Python; SQL/NoSQL; cloud-native (Azure preferred); Docker; IaC; CI/CD; AI coding tools; healthcare experience preferred.

Your Role &nbsp;As a Full Stack Engineer in the healthcare space, you’ll architect seamless, mission‑critical applications that clinicians and patients depend on. From polished interfaces to high‑performance backends, you’ll shape technology that improves care delivery and enhances lives.Our leadership model is about developing great leaders at all levels and creating opportunities for our people to grow – personally, professionally, and financially. We are looking for leaders that are energized by creative and critical thinking, building and sustaining high-performing teams, getting results the right way, and fostering continuous learning.<h3>Responsibilities</h3><div>Your Work &nbsp;In this role, you will: &nbsp;<ul><li>Design, build, and maintain end-to-end application features across UI, API, and data layers</li><li>Develop secure, testable, and maintainable code aligned with modern architectural patterns</li><li>Implement system integrations and manage reliable data models for distributed components</li><li>Ensure applications are cloud-ready and compatible with established CI/CD workflows</li><li>Contribute to application logging, monitoring, and diagnostics to support operational visibility</li><li>Leverage AI tools to enhance productivity, code quality, and documentation, while critically applying outputs</li><li>Collaborate with cross-functional teams to translate requirements into scalable technical solutions and take ownership of delivered components &nbsp;</li></ul></div><h3>Qualifications</h3><div>Your Knowledge and Experience&nbsp;&nbsp;<ul><li>7+ years of experience in full stack development</li><li>BA/BS or equivalent IT experience</li><li>Proficiency in modern front-end frameworks (React, Vue, Angular or similar) and JavaScript/TypeScript</li><li>Experience building backend services and APIs using .NET, Java, Node.js, Python, or similar technologies</li><li>Strong knowledge of SQL (e.g., MS SQL Server, Oracle) and/or NoSQL databases and RESTful integrations</li><li>Experience developing cloud-native applications (Azure preferred; AWS/GCP acceptable)</li><li>Familiarity with containerization (e.g., Docker)</li><li>Familiarity using Infrastructure as Code (e.g., Ansible, Bicep, ARM, Terraform) to provision and manage cloud resources</li><li>Working knowledge of CI/CD pipelines and version control systems (e.g., GitHub, GitLab, Bitbucket)</li><li>Experience using AI-assisted coding tools in professional software development (e.g., GitHub Copilot, Cursor, Claude, or similar)</li><li>Experience working in regulated environments (e.g., healthcare) preferred</li><li>Familiarity with healthcare interoperability standards or enterprise healthcare platforms (e.g., Epic) preferred &nbsp;</li><li>End-to-end ownership mindset – thinks about UI, logic, and data as one cohesive system</li><li>Engineering pragmatism – balances ideal architecture with delivery speed and business value</li><li>AI-augmented builder – leverages AI tools effectively while maintaining strong engineering judgment</li><li>Effective collaboration with product, design, QA, security, and platform teams</li><li>Ability to operate in dynamic, evolving environments with shifting priorities</li><li>Clear communication of technical concepts to both technical and non-technical stakeholders&nbsp;</li></ul>&nbsp;HybridThis role requires employees to be in-office based on our hybrid workplace model, balancing purposeful in-person collaboration with flexibility. For most teams, this means coming into the office two days each week.Employees living more than 50 miles from an office location will work with their manager to determine in-office time based on business need.&nbsp;#LI-JA1</div><h3>About Company</h3><div>About Stellarus and the Ascendiun Family of Companies
Stellarus, launched in January 2025, is designed to scale innovative healthcare solutions that support customers in creating a health care experience deserving of their family, friends, and neighbors.&nbsp;&nbsp; &nbsp; 
 &nbsp; 
 Stellarus is part of a family of organizations that is overseen by a nonprofit corporate entity named Ascendiun. The Ascendiun Family of Companies also includes Blue Shield of California and its subsidiary, Blue Shield of California Promise Health Plan and Altais, a clinical services company.&nbsp;
Stellarus’ vision is to empower its customers to create a healthcare experience that is worthy of their family, friends, and neighbors. Stellarus’ objective is to offer innovative, modern, scalable solutions that challenge the health care status quo. This very closely aligns with Blue Shield of California’s vision by using innovation to improve quality, affordability, and experience for members.&nbsp; &nbsp;
To achieve our mission, we foster an environment where all employees can thrive and contribute fully to address the needs of the various communities we serve. We are committed to creating and maintaining a supportive workplace that upholds our values and advances our goals.
Our Values:&nbsp;
At Stellarus, our core values of agility, trust, drive, courage and service shape our approach to developing innovative product offerings.

<ul style="font-style:normal; font-weight:400"></ul>

<div style="font-style:normal; font-weight:400">
 Our&nbsp;Workplace Model:&nbsp;
 We believe in fostering a workplace environment that balances purposeful in-person collaboration with flexibility - providing clear expectations while respecting the diverse needs of our workforce. Our&nbsp;workplace model&nbsp;is designed around intentional in-person interaction, collaboration, connection,&nbsp;creativity&nbsp;and flexibility:
 <ul>
 <li>
 For most teams, this means coming into the office two days per week.</li>
 <li>
 Employees living more than 50 miles from an office location, out of state employees, and employees in certain member-facing roles should work with their manager to determine in-office time based on business need.</li>
 <li>
 For employees with medical conditions that may impact their ability to work in-office, we are committed to engaging in an interactive process and providing reasonable accommodations to ensure their work environment is conducive to their success and well-being.</li>
 </ul>
 The Company reserves the right to&nbsp;require&nbsp;more presence in the office based on business needs, and requirements are subject to change with periodic reviews.
 
</div>
<ul></ul>
<ul style="margin-top:0in"></ul>
Physical Requirements:
Office Environment - roles involving part to full time schedule in Office Environment. Based in our physical offices and work from home office/deskwork - Activity level: Sedentary, frequency most of work day.
<a href="https://www.blueshieldca.com/physical-job-requirements" target="_blank" rel="nofollow">Please click here for further physical requirement detail.</a>&nbsp;
Equal Employment Opportunity:
External hires must pass a background check/drug screen. Qualified applicants with arrest records and/or conviction records will be considered for employment in a manner consistent with Federal, State and local laws, including but not limited to the San Francisco Fair Chance Ordinance. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, national origin, sexual orientation, gender identity, protected veteran status or disability status and any other classification protected by Federal, State and local laws.</div>

Application Developer, Consultant

7+ years in full stack development; BA/BS or equivalent IT experience; front-end frameworks React/Vue/Angular; backend with .NET/Java/Node.js/Python; SQL/NoSQL and REST; cloud-native apps (Azure preferred; AWS/GCP OK); Docker; IaC (Terraform/Ansible/Bicep/ARM); CI/CD and Git; AI-assisted coding tools; healthcare experience preferred

Your Role &nbsp;As a Full Stack Engineer in the healthcare space, you’ll architect seamless, mission‑critical applications that clinicians and patients depend on. From polished interfaces to high‑performance backends, you’ll shape technology that improves care delivery and enhances lives.Our leadership model is about developing great leaders at all levels and creating opportunities for our people to grow – personally, professionally, and financially. We are looking for leaders that are energized by creative and critical thinking, building and sustaining high-performing teams, getting results the right way, and fostering continuous learning.&nbsp;<h3>Responsibilities</h3><div>Your Work &nbsp;In this role, you will: &nbsp;<ul><li>Design, build, and maintain end-to-end application features across UI, API, and data layers</li><li>Develop secure, testable, and maintainable code aligned with modern architectural patterns</li><li>Implement system integrations and manage reliable data models for distributed components</li><li>Ensure applications are cloud-ready and compatible with established CI/CD workflows</li><li>Contribute to application logging, monitoring, and diagnostics to support operational visibility</li><li>Leverage AI tools to enhance productivity, code quality, and documentation, while critically applying outputs</li><li>Collaborate with cross-functional teams to translate requirements into scalable technical solutions and take ownership of delivered components &nbsp;</li></ul></div><h3>Qualifications</h3><div>Your Knowledge and Experience &nbsp;<ul><li>10+ years of experience in full stack development</li><li>BA/BS in Computer Science or equivalent</li><li>Proficiency in modern front-end frameworks (React, Vue, Angular or similar) and JavaScript/TypeScript</li><li>Experience building backend services and APIs using .NET, Java, Node.js, Python, or similar technologies</li><li>Strong knowledge of SQL (e.g., MS SQL Server, Oracle) and/or NoSQL databases and RESTful integrations</li><li>Experience developing cloud-native applications (Azure preferred; AWS/GCP acceptable)</li><li>Familiarity with containerization (e.g., Docker)</li><li>Familiarity using Infrastructure as Code (e.g., Ansible, Bicep, ARM, Terraform) to provision and manage cloud resources</li><li>Working knowledge of CI/CD pipelines and version control systems (e.g., GitHub, GitLab, Bitbucket)</li><li>Experience using AI-assisted coding tools in professional software development (e.g., GitHub Copilot, Cursor, Claude, or similar)</li><li>Experience working in regulated environments (e.g., healthcare) preferred</li><li>Familiarity with healthcare interoperability standards or enterprise healthcare platforms (e.g., Epic) preferred &nbsp;</li><li>End-to-end ownership mindset – thinks about UI, logic, and data as one cohesive system</li><li>Engineering pragmatism – balances ideal architecture with delivery speed and business value</li><li>AI-augmented builder – leverages AI tools effectively while maintaining strong engineering judgment</li><li>Effective collaboration with product, design, QA, security, and platform teams</li><li>Ability to operate in dynamic, evolving environments with shifting priorities</li><li>Clear communication of technical concepts to both technical and non-technical stakeholders</li></ul>&nbsp;HybridThis role requires employees to be in-office based on our hybrid workplace model, balancing purposeful in-person collaboration with flexibility. For most teams, this means coming into the office two days each week.Employees living more than 50 miles from an office location will work with their manager to determine in-office time based on business need.&nbsp;#LI-JA1</div><h3>About Company</h3><div>About Stellarus and the Ascendiun Family of Companies
Stellarus, launched in January 2025, is designed to scale innovative healthcare solutions that support customers in creating a health care experience deserving of their family, friends, and neighbors.&nbsp;&nbsp; &nbsp; 
 &nbsp; 
 Stellarus is part of a family of organizations that is overseen by a nonprofit corporate entity named Ascendiun. The Ascendiun Family of Companies also includes Blue Shield of California and its subsidiary, Blue Shield of California Promise Health Plan and Altais, a clinical services company.&nbsp;
Stellarus’ vision is to empower its customers to create a healthcare experience that is worthy of their family, friends, and neighbors. Stellarus’ objective is to offer innovative, modern, scalable solutions that challenge the health care status quo. This very closely aligns with Blue Shield of California’s vision by using innovation to improve quality, affordability, and experience for members.&nbsp; &nbsp;
To achieve our mission, we foster an environment where all employees can thrive and contribute fully to address the needs of the various communities we serve. We are committed to creating and maintaining a supportive workplace that upholds our values and advances our goals.
Our Values:&nbsp;
At Stellarus, our core values of agility, trust, drive, courage and service shape our approach to developing innovative product offerings.

<ul style="font-style:normal; font-weight:400"></ul>

<div style="font-style:normal; font-weight:400">
 Our&nbsp;Workplace Model:&nbsp;
 We believe in fostering a workplace environment that balances purposeful in-person collaboration with flexibility - providing clear expectations while respecting the diverse needs of our workforce. Our&nbsp;workplace model&nbsp;is designed around intentional in-person interaction, collaboration, connection,&nbsp;creativity&nbsp;and flexibility:
 <ul>
 <li>
 For most teams, this means coming into the office two days per week.</li>
 <li>
 Employees living more than 50 miles from an office location, out of state employees, and employees in certain member-facing roles should work with their manager to determine in-office time based on business need.</li>
 <li>
 For employees with medical conditions that may impact their ability to work in-office, we are committed to engaging in an interactive process and providing reasonable accommodations to ensure their work environment is conducive to their success and well-being.</li>
 </ul>
 The Company reserves the right to&nbsp;require&nbsp;more presence in the office based on business needs, and requirements are subject to change with periodic reviews.
 
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Physical Requirements:
Office Environment - roles involving part to full time schedule in Office Environment. Based in our physical offices and work from home office/deskwork - Activity level: Sedentary, frequency most of work day.
<a href="https://www.blueshieldca.com/physical-job-requirements" target="_blank" rel="nofollow">Please click here for further physical requirement detail.</a>&nbsp;
Equal Employment Opportunity:
External hires must pass a background check/drug screen. Qualified applicants with arrest records and/or conviction records will be considered for employment in a manner consistent with Federal, State and local laws, including but not limited to the San Francisco Fair Chance Ordinance. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, national origin, sexual orientation, gender identity, protected veteran status or disability status and any other classification protected by Federal, State and local laws.</div>

Application Developer, Principal

10+ years in full stack development; BA/BS in Computer Science or equivalent; front-end and back-end proficiency; cloud-native apps; CI/CD; AI coding tools; healthcare domain preferred.

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