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Principal – Full Stack Engineer

Fidelity Investments

Salary not specified
Aug 14, 2025
Westlake, TX, USA • Merrimack, NH, USA
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Fidelity Health Care Technology Group is seeking a Principal Full Stack Engineer to help deliver the best digital web experience to their customers by building robust and resilient applications focused on healthcare benefits and management.

Requirements

  • 6+ years of experience in designing and implementing web applications
  • Professional experience in front-end frameworks and web technologies including HTML/CSS, JavaScript or TypeScript, web components, and Angular
  • Solid knowledge with open-source stack technologies and webapp/API security
  • Strong technical background on crafting and developing enterprise digital applications with MVC design pattern, micro front-end strategy, and open micro service architectures
  • Proven experience in container and cloud technologies, including Docker, Kubernetes, and AWS, as well as secure application development
  • Solid knowledge of cloud solutions, serverless architecture, containerization strategies
  • Deep understanding and experience of version control system management using various Git workflows

Responsibilities

  • Designing and implementing web applications
  • Crafting rich and compelling digital experiences using application design guidelines and robust tooling
  • Building digital RESTful APIs using Java and Spring Boot
  • Working with DevSecOps standards and tools like Jenkins or Jenkins Core, Git/GitHub
  • Utilizing container and cloud technologies, including Docker, Kubernetes, and AWS
  • Creating quality-first, testable solutions using TDD and automation
  • Providing engineering thought leadership to advance healthcare benefits and management outcomes

Other

  • Bachelor’s degree in Computer Science or other related field
  • Excellent communication and influencing skills to integrate effectively into the inclusive culture
  • Strong experience in leading in a reciprocal, team-based environment with a constant focus on learning, mentoring, and encouraging others
  • Hybrid working model requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office
  • Compliance with Fidelity’s legal and regulatory requirements governing the hiring of individuals with certain criminal histories