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Sr. Java Full Stack Engineer

Sr. Java Full Stack Engineer

locationWestlake, TX, USA
remoteHybrid
PublishedPublished: 3/24/2026
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 Sr. Java Full Stack Engineer to work in Westlake, TX!

We are looking for a Sr. Java Full Stack Engineer who brings expertise in designing and developing high performance systems including APIs, Event Driven and Data feeds. In Wealth Cash Solutions - Personal Cards, we are embarking on a multi-year journey to improve our debit and credit card programs – including enhancing our ability to service customers over our live channels, improving the digital experiences (web and mobile), and optimizing our vendor partnership structure. Join us to work on a fast-paced team that follows a strong product mindset and uses customer and market feedback, and strong engineering practices to develop highly critical and scalable card technology systems that can be leveraged by multiple products across Fidelity.

The Expertise we’re Looking For
  • Have a passion for technology and can navigate your way across complex and rapidly-changing landscapes by staying on top of the latest trends and thrive by sharing knowledge.
  • 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.
  • Ability to be a self-starter, who actively challenges status-quo, is curious and not afraid to ask “Why” and “What if”?
  • Complete tasks during 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
  • Design and architect complex solutions on a platform dedicated to high scale processing of large amounts of data
  • Mentor and direct team members on technology and specific design; Own issues and provide end-to-end solutions
  • Collaborate with business and technology stakeholders to define and deliver our next generation ecosystem.
  • Continuously evaluate and prototype emerging technologies within developer & test community to understand business value and feasibility.
  • Possess digital mentality, and fluent across technology components including API Services development and consumption using modern frameworks and open source technologies.
  • Have communication skills and technical expertise to drive and participate in important discussions.

The Skills You Bring

  • 8+ years of hands on software development experience in Java Web services and API solutions.
  • Leadership & Strong execution skills in a fast-paced environment using agile methodologies.
  • Capability to support critical customer facing platforms and applications.
  • Expertise in open source streaming products, Micro services and Message Oriented Middleware, Stream processing
  • Expertise using multiple AWS offerings like EKS, S3, SQS, SNS, Lambda’s etc.
  • Proficient in Java, J2EE, Spring MVC, Spring Core and JavaScript.
  • Deep understanding of API design, including versioning, isolation and micro-services.
  • Experience in documenting APIs leveraging an API documentation framework (Swagger)
  • Experience in state-of-the-art tools and methods to enable efficiency, performance and agility through automating DevOps processes, continuous integration and delivery pipelines (Maven, Jenkins, Stash, Ansible, Docker).
  • Strong knowledge of developing highly scalable distributed systems using Open source technologies.
  • Experience using testing frameworks like Junit, Mockito, Cucumber etc.
  • Knowledge of web application development using JSP, HTML, CSS/SASS, JQuery, Angular and NodeJS would be a plus
  • Knowledge of relational and NoSQL database management systems.
  • Engaging in working with global team of developers in leading standard methodologies for software engineering.
  • Team player with excellent collaboration skills.
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.