Explore 3 back end java developer jobs from 2 hiring companies in Keyes, CA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Back End Java Developer Jobs

Ascendiun

Abbott

Hybrid

Onsite

Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 115,000 colleagues serve people in more than 160 countries.&nbsp; &nbsp; &nbsp;<h2>JOB DESCRIPTION:</h2>Working at AbbottAt Abbott, you can do work that matters, grow, and learn, care for yourself and your family, be your true self, and live a full life. You’ll also have access to:<ul><li>Career development with an international company where you can grow the career you dream of.</li><li>Employees can qualify for free medical coverage in our Health Investment Plan (HIP) PPO medical plan in the next calendar year.</li><li>An excellent retirement savings plan with a high employer contribution.</li><li>Tuition reimbursement, the <a href="https://www.abbott.com/corpnewsroom/strategy-and-strength/tackling-student-debt-for-our-employees.html" target="_blank">Freedom 2 Save</a> student debt program, and <a href="https://www.abbott.com/corpnewsroom/strategy-and-strength/college-degree-for-free-its-possible-with-freeu.html" target="_blank">FreeU</a> education benefit - an affordable and convenient path to getting a bachelor’s degree.</li><li>A company recognized as a great place to work in dozens of countries worldwide and named one of the most admired companies in the world by Fortune.</li><li>A company that is recognized as one of the best big companies to work for as well as the best place to work for diversity, working mothers, female executives, and scientists.</li></ul>The Opportunity:We are seeking a highly skilled Software Engineer I (Backend) to design and development of scalable, cloud-native applications. This role requires strong expertise in backend microservices (Java), leveraging the Azure technology stack to deliver enterprise-grade solutions.  This position works out of Pleasanton, CA or Burlington, MA locations in the Heart Failure Division.What You’ll Work On <ul><li>Design, and implement microservices using Java 11&#43;, Spring Boot, and REST APIs (GraphQL is a plus). </li></ul><ul><li>Build cloud-native SaaS applications following well-architected principles on Azure Cloud. </li></ul><ul><li>Work with Azure PaaS services such as Service Bus, Cosmos DB, Blob Storage, Redis Cache, and Identity Manager. </li></ul><ul><li>Write unit tests using JUnit and Jest; apply static code analysis tools. </li></ul><ul><li>Conduct load testing using tools like JMeter. </li></ul><ul><li>Ensure security, performance, and adherence to design patterns and best practices. </li></ul><ul><li>Collaborate with cross-functional teams in an Agile environment (Scrum/Kanban). </li></ul>Required Qualifications:<ul><li>Bachelor’s degree in software engineering, Computer Engineering, Computer Science, or a related field</li></ul><ul><li>0-2 years of backend development experience (full stack preferred) with proven ability to lead development </li><li>Java 11&#43;, Spring Boot, Microservices, REST API development (GraphQL is a plus) </li><li>Database technologies (PostgreSQL preferred)</li><li>Testing &amp; Tools: Unit testing (JUnit, Jest), static code analyzers</li><li>Knowledge of AI Agents in the software development life cycle is a plus. </li><li>Any Capstone project / internships, GPA Requirement 3.5</li></ul><ul><li>Familiarity with one or more programming languages (such as Python, Java or similar).  </li><li>Exposure to modern software development practices, including version control (e.g., Git/GitHub) and basic debugging or testing techniques. </li></ul>Preferred Qualifications <ul><li>1&#43; years of relevant work experience. </li><li>Able to learn concepts and apply that understanding to help troubleshoot issues and complete assigned project tasks. </li><li>Ability to work within a team and as an individual contributor in a fast-paced, changing environment.  </li></ul><a href="https://www.jobs.abbott/us/en" target="_blank">Apply Now</a>Learn more about our health and wellness benefits, which provide the security to help you and your family live full lives:  <a href="http://www.abbottbenefits.com/pages/candidate.aspx" target="_blank">www.abbottbenefits.com</a>Follow your career aspirations to Abbott for diverse opportunities with a company that can help you build your future and live your best life. Abbott is an Equal Opportunity Employer, committed to employee diversity.Connect with us at <a href="http://www.abbott.com/" target="_blank">www.abbott.com</a>, on Facebook at <a href="http://www.facebook.com/Abbott" target="_blank">www.facebook.com/Abbott</a>, and on Twitter &#64;AbbottNews.&nbsp; &nbsp; &nbsp;The base pay for this position is $50,700.00 – $101,300.00In specific locations, the pay range may vary from the range posted.     <h2>JOB FAMILY:</h2>Product Development&nbsp; &nbsp; &nbsp;<h2>DIVISION:</h2>HF Heart Failure&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<h2>LOCATION:</h2>United States &gt; Burlington: 23 Fourth Avenue&nbsp; &nbsp; &nbsp;<h2>ADDITIONAL LOCATIONS:</h2>United States &gt; Pleasanton : 5000 Franklin Dr&nbsp; &nbsp; &nbsp;<h2>WORK SHIFT:</h2>Standard&nbsp; &nbsp; &nbsp;<h2>TRAVEL:</h2>Yes, 10 % of the Time&nbsp; &nbsp; &nbsp;<h2>MEDICAL SURVEILLANCE:</h2>No&nbsp; &nbsp; &nbsp;<h2>SIGNIFICANT WORK ACTIVITIES:</h2>Continuous sitting for prolonged periods (more than 2 consecutive hours in an 8 hour day), Continuous standing for prolonged periods (more than 2 consecutive hours in an 8 hour day)&nbsp; &nbsp; &nbsp;Abbott is an Equal Opportunity Employer of Minorities/Women/Individuals with Disabilities/Protected Veterans.     EEO is the Law link - English: http://webstorage.abbott.com/common/External/EEO_English.pdf     EEO is the Law link - Espanol: http://webstorage.abbott.com/common/External/EEO_Spanish.pdf

Software Engineer I (Backend)

Bachelor’s degree in software engineering or related field; 0-2 years backend experience; Java 11+, Spring Boot, REST; PostgreSQL; testing tools; Git; teamwork in Agile.

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.
 
</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, Principal

Application Developer

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.

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>Independently design, build, and maintain moderately complex application features across UI, API, and data layers, following established architectural patterns and standards.</li><li>Develop secure, testable, and maintainable code aligned with modern architectural patterns</li><li>Implement and support system integrations and data models for distributed components under guidance, ensuring reliability, performance, and maintainability.</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 product, design, QA, and platform partners to clarify requirements and deliver well-scoped solutions, escalating complexity as appropriate.</li></ul></div><h3>Qualifications</h3><div>Your Knowledge and Experience &nbsp;<ul><li>3+ 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>Experience 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>

Full Stack Engineer, Experienced

Full Stack Engineer

3+ years full stack development; BA/BS or equivalent IT experience; front-end React/Vue/Angular; back-end with .NET/Java/Node.js/Python; SQL/NoSQL; cloud-native (Azure preferred); Docker; IaC; CI/CD; AI-assisted coding tools; healthcare experience preferred

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