Principal Full Stack Engineer
Fidelity Investments is a privately held, Boston-headquartered financial services company providing investing, trading, retirement, wealth management, brokerage, workplace benefits, custody and clearing, and digital-asset services.
About Fidelity Investments
Fidelity serves individual investors, employers, wealth-management firms, institutions, innovators, and charitable donors through diversified financial-services businesses. Current offerings include brokerage and trading, mutual funds and exchange-traded products, retirement and workplace savings, financial planning and advice, wealth management, institutional custody and clearing, and crypto/digital-asset products.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build end-to-end digital features from concept through deployment. You will develop web, mobile, API, and platform solutions; define technical architecture; improve delivery practices; troubleshoot production issues; conduct reviews and testing; and mentor engineers.
Requirements
- Expertise in architecting and developing multi-tier internet-facing web and mobile applications and APIs
- Experience with Node.js or Java/JEE web applications
- JavaScript, TypeScript, CSS, HTML, and browser developer tools
- Webpack
- DevOps, automated testing, and continuous delivery
- Groovy, Jenkins, and Concourse
- Containerization, Docker, and orchestration
- Angular or React
- NPM and Express
- Cypress or Playwright
- Git and branching strategies
- API design and development
- Microservices architecture
- HTTP APIs and networking
- Promises, observers, and event loops
- Swift or Kotlin for iOS or Android development
- Bachelor's degree in computer science, information science, mathematics, physics, or equivalent
Responsibilities
- Develop complex web, mobile, API, and platform applications
- Design technical specifications and architecture for complex systems
- Build features from concept through deployment
- Translate business initiatives into software solutions
- Create and maintain application documentation
- Plan full project life cycles across multiple platforms
- Participate in iteration planning and deliver quality work each sprint
- Troubleshoot, tune, support, and maintain APIs
- Resolve technical roadblocks across multiple technologies
- Complete code reviews, unit testing, and integration testing
- Coordinate delivery across technical teams
- Provide technical leadership and mentor junior engineers
- Contribute to product-team process improvements
Benefits
- Fully paid parental leave
- On-site health and wellness centers