Explore 4 full stack python developer jobs from 2 hiring companies in Charlestown, RI, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Full Stack Python Developer

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Full Stack Python Developer Jobs

Fidelity Investments

Spear AI

Hybrid

Onsite

<h2></h2><h2>Job Description:</h2>The RoleQuant &amp; Risk Investments Technology (QRIT) is seeking a highly motivated and experienced Principal Full Stack Engineer to join a team building a cutting-edge, Multi-Asset Class Risk System. This system is a critical tool leveraged by investment professionals across Fidelity for in-depth analysis and research.The individual in this pivotal role will be instrumental in designing and delivering strategic solutions to meet the complex needs of investment professionals and quantitative analysts. The Principal Engineer will collaborate closely with quantitative analysts, quant operations, and peer technology teams within a highly iterative and dynamic delivery model, directly supporting the needs of investment professionals and senior management.<ul><li>Design, develop, and implement sophisticated solutions while adhering to software development best practices.</li><li>Ensure the optimized run-time performance, scalability, and robustness of the analytical platform.</li><li>Collaborate effectively with team members to ensure the seamless integration of new features with existing infrastructure and production environments.</li></ul>The Expertise and Skills You Bring<ul><li>A Bachelor&#39;s or Master’s degree in computer science, Engineering, or a related field.</li><li>A minimum of 8 years of professional software engineering experience with a focus on Python and database technologies.</li><li>Expertise in full-stack Python development, with proficiency in libraries such as Pandas, NumPy, and SciPy.</li><li>Proven experience with development and deployment in an AWS cloud environment, including cloud data storage and access using EFS and S3.</li><li>A demonstrated ability in building and designing database solutions; experience handling large and complex datasets is a significant advantage.</li><li>Familiarity with various asset classes, including equities and fixed-income securities, and financial data sources such as Bloomberg, Barra, or FactSet is highly desirable.</li><li>A strong understanding of portfolio risk and risk-based analytics is considered a plus.</li><li>The ideal candidate will be a bright, highly motivated, and proactive individual, capable of working effectively both within a small, dynamic team and independently on challenging assignments.</li><li>The successful applicant will be a skilled engineer who can seamlessly transition between rapid, iterative prototyping and the development of enterprise-grade, robust applications and services.</li></ul>The TeamThe Quant &amp; Risk Investments Technology (QRIT) team is responsible for the development and support of the portfolio risk platform covering subject areas such as fund holdings, benchmarks, risk models, risk calculation, security reference data, performance data, and market data. The efforts of this group are essential to investment management, quantitative analysis, and new product development.The base salary range for this position is $107,000-216,000 USD per year.  Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors.Base salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation.   We offer a wide range of <a target="_blank" href="https://jobs.fidelity.com/benefits/">benefits</a> to meet your evolving needs and help you live your best life at work and at home.  These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career.  Note, the application window closes when the position is filled or unposted.Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles. Please consult with your recruiter for the specific expectations for this position.<h2></h2><h2>Certifications:</h2><h2></h2><h2>Category:</h2><h2></h2>Information Technology

Principal, Full Stack Engineer (Python, Oracle)

Full Stack Engineer

8+ years software engineering with Python and database tech; full-stack Python; AWS experience; strong data handling; knowledge of financial data sources; team and independently capable.

We’re seeking a skilled Forward Deployed Full-Stack Engineer to build the next-generation data management and artificial intelligence platform for maritime domain awareness. As a forward-deployed engineer, you'll work on-site with customers — writing code, integrating systems, and solving hard problems in the field. You're part engineer, part technical advisor, and wholly accountable for making the mission succeed. The position requires an active U.S. Secret clearance. Spear AI is a growing defense contracting company dedicated to delivering cutting-edge solutions that support our nation’s security. As we expand, we’re building a culture where innovation meets mission-critical work. We operate with a flat organizational structure that empowers every team member to make an impact, collaborate directly with leadership, and contribute to projects that matter. Whether you’re joining our Hardware, Software, or Services division, you’ll work alongside talented professionals who are committed to excellence and advancing the capabilities that keep our nation safe and secure. Spear AI builds sonobuoy sensors that are deployed into the water and collect edge data. We also work with the U.S. Navy to collect and process their SONAR data. You’ll have an opportunity to work on real-world projects that directly impact warfighter capabilities and mission success.<h2>What you’ll do</h2>We’re a small team wearing many hats, and you’d have a wide variety of responsibilities that include:<ul style="min-height:1.5em"><li>Build out application components and pages.</li><li>Implement historical and real-time data feeds using WebGPU.</li><li>Design and develop data models using Postgres and Apache Iceberg.</li><li>Modify real-time data pipelines using MQTT and Redpanda.</li><li>Modify offline data pipelines using Dagster for batch processing.</li><li>Modify and integrate machine learning models or other algorithms into the application.</li><li>Improve local development and CI/CD using modern tooling and GitHub Actions.</li></ul><h2>Who you are</h2>We’re looking for someone with strong Full-Stack Engineering skills who shares our most important values:<ul style="min-height:1.5em"><li>You’re fanatical about polish. Every detail matters. You love to make sure your code is linted, formatted, fully typed, and has 100% test coverage.</li><li>You care about correctness. You take pride in the fact that downstream consumers trust libraries and services you build.</li><li>You obsess over performance. You daydream about Lighthouse scores and query speed.</li><li>You dive deep. It’s important for you to really know how things work. You’re always building prototypes and setting up experiments to reinforce your understanding.</li><li>You live on the bleeding edge. You’ve got a long list of upcoming platform features you’re excited about and can’t wait for the next nightly to drop.</li><li>You’re a great teacher. You know how to break down a concept for a specific audience and make it click with them in a way that gets them excited.</li></ul><h2>Why work with us</h2><ul style="min-height:1.5em"><li>We ship — We don’t work on 18-month projects that are irrelevant before they’re even finished.</li><li>Our work has impact — We build products that are deployed to U.S. submarines and integrate with the sonobuoys we manufacture.</li><li>We’re growing responsibly — We have the resources to hire a lot more people, but we don’t want to build a massive team of people who don’t share our values.</li><li>We’re profitable — We aren’t burning through cash trying to make the business work. But we also have investors who believe in us and are committed to our success.</li><li>We care about doing great work — You don’t need permission to sweat the details here.</li><li>We don’t take ourselves too seriously — We’re building products that make the world safer. But we don’t let that get to our heads.</li></ul><h2>Important skills</h2><ul style="min-height:1.5em"><li>Expertise in TypeScript.</li><li>Expertise in CSS, such as TailwindCSS.</li><li>Experience with React and frontend frameworks such as Next.js.</li><li>Familiar with state management such as React Context.</li><li>Experience with Node.js, GraphQL, and REST APIs.</li><li>Proficiency with SQL/PostgreSQL.</li><li>Knowledge of Docker and Kubernetes.</li><li>Knowledge of Python.</li></ul><h2>Nice to have</h2><ul style="min-height:1.5em"><li>Experience with IoT devices and sensors.</li><li>Digital signal processing experience.</li><li>Geospatial analysis and GIS experience.</li><li>Familiar with working in monorepos.</li></ul><h2>What we offer</h2><ul style="min-height:1.5em"><li>Unlimited PTO — Take the time you need to recharge and maintain work-life balance.</li><li>Dedicated Sick Time — Your health and well-being come first.</li><li>Comprehensive Health &amp; Benefits – Medical, dental, and vision coverage to keep you and your family protected.</li><li>11 Paid Holidays — Enjoy time off throughout the year to celebrate and spend time with loved ones.</li><li>Professional Development — Educational opportunities and resources to help you grow your skills and advance your career.</li><li>Collaborative Environment — Work directly with leadership in our flat organizational structure, where your ideas and contributions matter.</li><li>Mission-Driven Work — Contribute to projects that directly support national security and make a real-world impact.</li><li>Growth Opportunities — Join us during an exciting expansion phase where you can help shape our future.</li></ul><h2>Additional benefit opportunities when you choose Spear AI:</h2><ul style="min-height:1.5em"><li>401(k) with company match.</li><li>Relocation assistance (position dependent).</li><li>Referral bonuses.</li><li>Performance bonuses.</li><li>Life insurance and disability coverage.</li><li>Technology home office setup stipend.</li><li>Professional certification reimbursement (position dependent).</li></ul> We offer competitive compensation tailored to your experience, location, and the impact you’ll make. We’re committed to equitable pay and will share a range aligned to your level and geography during the hiring process. In accordance with state law, candidates in jurisdictions such as CA, CO, WA, NY, and others, where applicable, will be provided a good-faith salary range upon request and throughout the hiring process. This is a full-time, exempt position under the Fair Labor Standards Act (FLSA) and is not eligible for overtime pay. Compensation for this position is provided on a salaried basis and is not subject to reduction based on hours worked. At Spear AI, you’ll find more than just a job; you’ll join a mission-driven team where your work directly contributes to national security. Our flat organizational structure means your voice matters, your ideas reach leadership, and your impact is visible. As we grow, we’re committed to building robust processes and infrastructure that support both our mission and our people. We value collaboration, continuous improvement, and the expertise each team member brings to the table. If you’re looking for a place to grow professionally while working on projects that truly matter, we’d love to hear from you.

Forward Deployed Full-Stack Engineer (Senior)

Full-Stack Engineer

Senior full-stack engineer with TypeScript/React, Node.js, SQL, Docker/Kubernetes; on-site in Groton, US; active Secret clearance required.

<h2></h2><h2>Job Description:</h2>The Full-Stack Software Engineer for Fidelity Private Shares in Fidelity Labs is a pivotal role for the continued success and growth of the business. The Fidelity Private Shares team delivers innovative technology, robust industry experience and expertise, and seamless service to the start-up ecosystem through Fidelity Investments.In this role you will be hands-on in the developing, testing, delivery, and support of the Fidelity Private Shares platform. You’ll work closely with technical leads and product managers to support our customers and inform the product, as well as researching and developing new growth opportunities to expand on the strengths of the core technology.The Expertise and Skills You Bring<ul><li>Proven experience building, deploying, and supporting web applications in production with one or more programming languages (e.g., Python, Javascript/Typescript)</li><li>Understanding and experience working with source code management, testing, and CI/CD processes and tools such as Github and Jenkins</li><li>A passion for engineering excellence; a desire to empower and collaborate with your teammates; a willingness to learn; and adaptability to new and changing requirements</li><li>Strong analytical, technical, and problem-solving skills to understand complex customer needs and transactions</li><li>A sense of ownership applying automation and tests to make sure code is robust as possible</li><li>Ability and desire to learn and experiment with new technologies and patterns</li></ul>The TeamWe are Fidelity Labs, Fidelity Investments’ in-house fintech incubator with a mission to build new businesses to drive growth for Fidelity. We seek to shape the future of our industry by building new products and services to improve the lives of the diverse set of customers, businesses and financial institutions we serve.Fidelity Labs is a dynamic workplace that combines the best parts of startup life—building from scratch, adapting quickly, and moon-shot ambition—with the scale and stability of an industry leader. We provide a safe space for startup teams to explore new business ideas, quickly test them with customers, and scale the most promising concepts within an existing business unit, or as a new venture.This opportunity is brought to you by Fidelity Labs. Learn more at <a href="https://labs.fidelity.com/" target="_blank">labs.fidelity.com</a>.The base salary range for this position is $97,000-185,000 USD per year.  Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors.Base salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation.   We offer a wide range of <a target="_blank" href="https://jobs.fidelity.com/benefits/">benefits</a> to meet your evolving needs and help you live your best life at work and at home.  These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career.  Note, the application window closes when the position is filled or unposted.Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles. Please consult with your recruiter for the specific expectations for this position.<h2></h2><h2>Certifications:</h2><h2></h2><h2>Category:</h2><h2></h2>Information Technology

Senior Full Stack Engineer

Experience building web apps in production using Python or JavaScript/TypeScript; strong CI/CD knowledge; version control with Git/Jenkins; collaborative mindset.

<h2></h2><h2>Job Description:</h2>The RoleThe Full-Stack Software Engineer for Fidelity Private Shares in Fidelity Labs is a pivotal role for the continued success and growth of the business. The Fidelity Private Shares team delivers innovative technology, robust industry experience and expertise, and seamless service to the start-up ecosystem through Fidelity Investments.In this role you will be hands-on in the developing, testing, delivery, and support of the Fidelity Private Shares platform. You’ll work closely with technical leads and product managers to support our customers and inform the product, as well as researching and developing new growth opportunities to expand on the strengths of the core technology. You bring a strong technology background with a passion for coaching and growing engineering talentThe Expertise and Skills You Bring<ul><li>Proven experience building, deploying, and supporting web applications in production with one or more programming languages (e.g., Python, Javascript/Typescript)</li><li>Understanding and experience working with source code management, testing, and CI/CD processes and tools such as Github and Jenkins</li><li>Managing, supporting and empowering associates, to enable delivery of increased value in their teams, including coaching and mentoring team members to help them grow and develop their skills.</li><li>A passion for engineering excellence; a desire to empower and collaborate with your teammates; a willingness to learn; and adaptability to new and changing requirements</li><li>Strong analytical, technical, and problem-solving skills to understand complex customer needs and transactions</li><li>A sense of ownership applying automation and tests to make sure code is robust as possible</li><li>Ability and desire to learn and experiment with new technologies and patterns</li></ul>The TeamWe are Fidelity Labs, Fidelity Investments’ in-house fintech incubator with a mission to build new businesses to drive growth for Fidelity. We seek to shape the future of our industry by building new products and services to improve the lives of the diverse set of customers, businesses and financial institutions we serve.Fidelity Labs is a dynamic workplace that combines the best parts of startup life—building from scratch, adapting quickly, and moon-shot ambition—with the scale and stability of an industry leader. We provide a safe space for startup teams to explore new business ideas, quickly test them with customers, and scale the most promising concepts within an existing business unit, or as a new venture.This opportunity is brought to you by Fidelity Labs. Learn more at <a href="https://labs.fidelity.com/" target="_blank">labs.fidelity.com</a>.The base salary range for this position is $107,000-216,000 USD per year.  Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors.Base salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation.   We offer a wide range of <a target="_blank" href="https://jobs.fidelity.com/benefits/">benefits</a> to meet your evolving needs and help you live your best life at work and at home.  These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career.  Note, the application window closes when the position is filled or unposted.Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.<h2></h2><h2>Certifications:</h2><h2></h2><h2>Category:</h2><h2></h2>Information Technology

Principal Full-Stack Software Engineer - Fidelity Private Shares

Principal Full-Stack Software Engineer

Experience building, deploying, and supporting web apps; Python, JavaScript/TypeScript; CI/CD; GitHub/Jenkins; leadership and mentoring; strong problem solving and automation.

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