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Senior Full Stack Engineer

Senior Full Stack Engineer

locationWestlake, TX, USA
PublishedPublished: 3/25/2026
IT / Computer Engineering
Full Time

Job Description:

Senior Full Stack Engineer – Fidelity Health Care Technology Group

Fidelity Healthcare is looking for experienced engineers who are hardworking, collaborative, analytical thinkers to help deliver the best digital solutions to our customers. The ideal candidate is deeply entrenched in full stack development, with a passion for using tools and frameworks to guide the development of stable, robust, and resilient apps that best serve our customer initiatives.

The Team

Our team builds outstanding experiences for Fidelity Health Care customers. We focus on crafting rich and compelling experiences using innovative and forward-thinking design guidelines, and robust tooling to provide healthcare benefits and management. We work in a collaborative, fast paced environment and are committed to advancing a digital strategy to the delight of our customers.

The Expertise You Have

  • 6+ years of experience in designing and implementing full stack end-to-end customer facing applications
  • Bachelor’s degree of Computer Science, other related field, or equivalent experience
  • Experience in Agile and Scrum development methodology
  • Professional experience in front-end frameworks and web technologies including Angular (16+), Node.js, HTML/CSS, JavaScript or Typescript, web components, and other.
  • Proven experience developing with Java (17+), Spring Boot, and/or other Open-Source stack technologies
  • Strong technical background on crafting and developing enterprise digital applications working with design patterns such as MVC, micro front-end and open micro service architectures.
  • Proven experience with building digital RESTful APIs
  • Deep understanding and experience of version control system management using various Git workflows.
  • Proven experience in DevSecOps best practices and tools like Jenkins or Jenkins Core, SonarQube, Mend.io, Datadog, Git/GitHub, or other similar tooling.
  • Solid knowledge of cloud solutions, serverless architecture, containerization strategies.
  • Proven experience in container and cloud technologies, including Docker, Kubernetes and AWS, as well as secure application development.
  • Experience developing quality-first, testable solutions leveraging TDD and automation with tools such as Mockito, Jasmine, Mocha, Junit, and other testing tools
  • In-depth knowledge secure coding standards and practices.
  • Strong experience in leading in a reciprocal, team-based environment with a constant focus on learning, mentoring, and encouraging others

The Skills You Bring

  • Passion crafting outstanding experiences using your strong understanding of functional programming and front end and API design patterns.
  • Knowledge of the web application landscape, architectures, trends, and emerging technologies used in crafting performant, resilient, and robust web apps.
  • Excellent understanding of computer science fundamentals, data structures, and algorithms to ensure alignment to software engineering methodologies.
  • Excellent understanding of Test-Driven Development and Test Pyramid in support of highly resilient and stable apps with a high degree of code coverage.
  • Strong understanding of modern development principles such as trunk-based development, monorepos, feature toggles, and branch by abstraction to support performant and collaborative engineering teams.
  • Strong communication and influencing skills to integrate effectively into the inclusive culture.
  • Strong desire to learn new skills and emerging technologies/industry trends quickly.
  • Proven ability to think abstractly at the enterprise level vs linear project-based mindset

The Value You Deliver

  • Collaborating with architecture, security, and UXD to build architecturally compliant apps.
  • Partnering with platform squads to define engineering standards, standard methodologies, and tooling.
  • Providing engineering thought leadership to advance Health Care benefits and management outcomes and facilitate a cloud-first approach.
  • Collaborating with other team members and stakeholders to analyze and solve problems.
  • Staying ahead of the curve by aligning architecture, user experience, and security with chapters and COEs.
  • Supporting a cloud-first world through upskilling and augmenting squads with solid knowledge of AWS native services.

Certifications:

Category:

Information Technology

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.