Principal Full Stack Developer – FFIO Market Data
Note: Fidelity is not providing immigration sponsorship for this position
The Role
We’re seeking a highly skilled Principal Full Stack Developer with deep expertise in Java and Spring Boot to help build modern, scalable, and cloud‑enabled market data applications. Many of the systems you’ll develop may be internet‑facing or externally accessible, requiring a strong focus on secure design, data protection, and resilient architecture from the outset.
In this role, you will design, develop, test, and deploy services that support Fidelity’s mission‑critical market data ecosystem. You’ll work with technologies such as Java, Spring Boot, REST APIs, Angular/React, Apache Camel (nice to have), AWS, and distributed databases. Collaboration across engineering, architecture, and product teams will be essential as you deliver high‑quality solutions that help millions of Fidelity customers make informed financial decisions. This opportunity offers hands‑on experience with core Fidelity financial systems and the chance to build applications that power some of our most high‑value data pipelines.
The Expertise and Skills You Bring
8+ years developing enterprise applications with Java
8+ years building microservices using Spring Boot
Strong full‑stack experience with modern front‑end frameworks (React, Angular, or similar)
Proficiency in REST API design and implementation
Knowledge of secure coding practices and OWASP considerations
Experience with API authentication/authorization (OAuth2, OIDC, JWT)
Ability to protect data in transit and at rest
Understanding of threat exposure, rate limiting, and input validation
Hands‑on experience with AWS services (EC2, EKS, S3, Lambda)
Development experience with Apache Camel (nice to have)
Experience with databases such as Oracle, Cassandra, PostgreSQL, or YugabyteDB
Familiarity with CI/CD and containerization tools (Jenkins, GitLab, Docker, Kubernetes)
Strong automated testing skills (unit, integration, performance)
Delivery‑focused mindset with strong collaboration and commitment to engineering excellence
Strong troubleshooting abilities across application, system, and network layers, with a Bachelor’s or Master’s in Computer Science or related field
The Team
The FFIO Market Data Engineering team delivers and supports innovative, high‑performance market data service solutions for internal business partners and external customers. Our engineers thrive in an environment of curiosity, experimentation, and continuous improvement—always driving toward a differentiated market data experience for Fidelity associates and clients.
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.
What We Do
At Fidelity, our goal is to make financial expertise broadly accessible and effective in helping people live the lives they want. We do this by focusing on a diverse set of customers: - from 23 million people investing their life savings, to 20,000 businesses managing their employee benefits to 10,000 advisors needing innovative technology to invest their clients’ money. We offer investment management, retirement planning, portfolio guidance, brokerage, and many other financial products. Privately held for nearly 70 years, we’ve always believed by providing investors with access to the information and expertise, we can help them achieve better results. That’s been our approach- innovative yet personal, compassionate yet responsible, grounded by a tireless work ethic—it is the heart of the Fidelity way.
