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Full Stack Engineer

Full Stack Engineer

locationWestlake, TX, USA
remoteHybrid
PublishedPublished: 4/28/2026
IT / Computer Engineering
Full Time
Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity Investments. We are currently sourcing for a Full Stack Engineer to work in Westlake, TX and Durham, NC!

Are you interested in serving the needs of millions of customers by building best-in-class API capabilities, Web applications which help deliver experiences in financial planning, investing, and retirement? Our Cash, Technology and Platform team is looking for solution-based engineers with a passion for developing easy-to-use, customer focused Applications and capabilities which power Fidelity’s web and mobile experience platforms.

The Purpose of Your Role

The teams build Applications that support Fidelity’s large scale digital presence. You will help us design and develop re-usable APIs, Web components that focus on customer experience needs and optimize quality and deployment practices. You’ll work towards the entire development lifecycle from concept to deployment as a member of an agile, cross-functional team.

You will have the opportunity to share your technical knowledge to help strengthen our engineering community and further pursue your own learning of new technologies and platforms. We're looking for software engineers that enjoy working partnership and have a passion for releasing high quality software through iterative software development practices.

The Expertise we’re Looking For

  • You have a passion for technology and can navigate your way across complex and rapidly-changing landscapes by staying on top of latest trends and thrive by sharing knowledge.
  • Are a creator, a doer, and a disruptor who will help us tackle real-life problems and meet real customer needs. You’ll be helping us build things, taking an idea, and creating rapid prototypes that are shippable and learn from real-life feedback.
  • Are a self-starter, who actively challenges status-quo, is curious and not afraid to ask “Why” and “What if”?
  • Are experienced with the tools of the trade including a variety of modern programming languages and frameworks
  • Comply with cycle time and use CI/CD practices, tools to rapidly deploy changes to customers while minimizing risk using practices like A/B tests, blue-green deployments, and feature toggles
  • Stay on top of Algorithms, Data Structures and Design Patterns and love the challenge of building highly scalable systems that can support thousands of transactions/sec.
  • Have a mindset of test first development and are experienced in modern test frameworks. We believe in testing and that quality is everyone’s job.
  • Are data-driven and can measure, collect and use data to make decisions. We understand the value of intuition and the need to balance decisions accordingly.
  • Have strong communication skills and technical expertise in driving and participating in important discussions.

The Skills You Bring

  • 6+ years of hands?on experience in backend software development.
  • Strong experience designing and building scalable Service?Oriented and Microservices Architectures, including RESTful APIs, JSON-based services, and modern application servers.
  • Proficient in backend programming languages, especially Java and Python. JavaScript experience for backend frameworks (e.g., Node.js) is a plus.
  • Deep expertise in API development, including API contract definition, versioning, isolation strategies, and service decomposition.
  • Strong understanding of distributed systems, performance optimization, and building highly scalable backend platforms using open?source technologies.
  • Experience with cloud computing platforms, particularly AWS or Azure, including deployment, monitoring, and infrastructure services.
  • Proficient in API documentation frameworks such as OpenAPI / Swagger.
  • Strong DevOps experience, including CI/CD pipelines and tools such as Jenkins, Maven, GitHub, uDeploy, NPM, and automated build/deployment processes.
  • Solid knowledge of containerization and orchestration technologies, including Docker and Kubernetes.
  • Experience with backend testing frameworks, such as JUnit, Mockito, Spring Test, or equivalent backend testing tools.
  • Familiarity with backend frameworks, including Spring Boot, ExpressJS (for Node.js), or similar server-side technologies.
  • Proficient in working with both relational and NoSQL databases, including schema design, optimization, and data modeling.
  • Experience working in Agile environments (Scrum, Kanban).
  • Excellent collaboration and communication skills, especially for working with global cross?functional teams.
  • Proven ability to mentor junior engineers and work towards to strong engineering culture and best practices.

The Value You Deliver

Cash Technology & Platforms (CTP) team in Fidelity Wealth (FW) supports applications and tools that provide capabilities for multiple financial products like Cash Management Accounts, Health Savings Accounts (HSA), College Savings Plans (529), ABLE Plans, Custodial Accounts (UTMA/UGMA), and our Securities-backed Line of Credit program.

How your Work Impacts the Organization

We believe that diversity in background and experience will champion an inclusive and engaging work environment for our employees. This ultimately enables us to deliver a better product for our customers.

Being technically competent is only telling half the story. We believe that delivering the best possible customer experience requires an artful blend of human ingenuity and technology. While we value smart technologists, we are fanatics about our culture that promotes autonomy and leadership at all levels. People who are phenomenal cultural fits demonstrate curiosity to learn, are unafraid to break things, step up and take the lead, take ownership of their projects, and thrive by sharing knowledge.

Our culture code is simple

  • We share knowledge to empower and connect everyone
  • We live outside our comfort zone
  • We believe life is too short to not love what you do
  • We know amazing people create phenomenal opportunities
  • We are customers
  • We favor autonomy and take ownership

Educational & Experience

  • Bachelor's or equivalent degree with a Computer Science background.
  • 6+ years of relevant experience
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. Some roles may have unique onsite requirements. Please consult with your recruiter for the specific expectations for this position.
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.

Company Overview

At Fidelity, we are passionate about making our financial expertise broadly accessible and effective in helping people live the lives they want! We are a privately held company that places a high degree of value in creating and nurturing a work environment that attracts the best talent and reflects our commitment to our associates. We are proud of our diverse and inclusive workplace where we respect and value our associates for their unique perspectives and experiences. For information about working at Fidelity, visit FidelityCareers.com. Fidelity Investments is an equal opportunity employer. Fidelity will reasonably accommodate applicants with disabilities who need adjustments to complete the application or interview process.

Fidelity TalentSource, is the in-house temporary staffing provider for Fidelity Investments. Unlike traditional staffing agencies, we are an internal business unit within Fidelity’s Talent Acquisition team, dedicated to recruiting talent from various backgrounds for roles in Fidelity’s regional and investor center locations. Our mission is to help you experience Fidelity’s diverse and inclusive workplace while expanding your skill set and professional network, with the ultimate goal of conversion to full-time employment as part of Fidelity’s long-term strategy.

For information about working at Fidelity TalentSource, visit FTSJobs.com.

Fidelity TalentSource will reasonably accommodate applicants with disabilities who need adjustments in order to complete the application or interview process. Please email us at HR@ftsjobs.com if you would like to request an accommodation.