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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Engineer - **Company:** Fmr LLC - **Location:** Westlake, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Automation of Tests, Cloud Computing, Databases, Continuous Delivery, Continuous Integration, PostgreSQL, Oracle (Applications), Web Services, Enterprise Software Applications, Apache Camel, ReactJS, Spring-boot, AngularJS, Information Technology, Cassandra, Front End Software Development, Restful APIs, Microservices - **Published:** June 9, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=836d6ee71bd25bf9 ## About the Role Do you have experience in Web services design?, Do you have a Master's degree?, The position requires a strong background in full stack application development, testing, deployment, and familiarity with cloud computing. You will have the opportunity to build applications using Java, Spring Boot, REST APIs, Angular/React, Apache Camel (nice to have), Cassandra, YugabyteDB, Oracle/RDS, AWS and GO. You must be a self-starter who is passionate about the technology you are building and eager to produce world-class services. You should enjoy working with a variety of technologies in a team environment where your success depends heavily on the success of your team and organization. You should have an appetite for learning new technologies and enjoy coaching junior team members. This is a very interesting position with exposure to core Fidelity financial business applications, comprised of both custom and 3rd-party products. The Expertise and Skills You Bring * 5-7+ years developing enterprise applications in Java * 4+ years building microservices using Spring Boot * Strong Full Stack experience, including: + Modern front-end frameworks (React, Angular, or similar) + REST API design and implementation * 1-3+ years of experience working with AWS EC2, EKS, S3, Lambda, RDS * Experience using GO * Experience with databases such as Oracle, Cassandra, PostgreSQL, YugabyteDB * Experience with Continuous Integration and Continuous Delivery * Experience with automated testing (unit, functional, and/or performance) * Bachelor's and/or Master's degree in Computer Science or a related discipline * Delivery-focused with strong end-to-end ownership * Ability to work well with others and collaborate across teams * Strong commitment to high engineering standards and continuous improvement * Strong troubleshooting skills that span applications, systems, and networks As a member of the FFIO Market Data Engineering team, you will be working on modern market data applications and operating them on public cloud platforms. You will help millions of Fidelity customers make financial decisions based on the quality of data delivered through these applications. ## Description The FFIO Market Data Engineering team delivers and supports innovative market data service solutions for internal business partners and external customers. Our systems and data professionals thrive with an unrelenting dedication to innovation, cultivating a culture of continuous improvement that supports a differentiated market data experience for Fidelity associates and customers. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Maximising Cassandra's Potential: Tips on Schema, Queries, Parallel Access, and Reactive Programming](https://www.wearedevelopers.com/videos/1167-maximising-cassandra-s-potential-tips-on-schema-queries-parallel-access-and-reactive-programming) - [WeAreDevelopers LIVE - CSS is DOOMed](https://www.wearedevelopers.com/videos/1838-wearedevelopers-live-css-is-doomed) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Building Real-Time AI/ML Agents with Distributed Data using Apache Cassandra and Astra DB](https://www.wearedevelopers.com/videos/782-building-real-time-ai-ml-agents-with-distributed-data-using-apache-cassandra-and-astra-db) ## Related Articles - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)