Senior JavaScript Fullstack Developer

We are seeking a Senior JavaScript Full-Stack Developer to build and evolve an internal developer portal with a strong focus on TypeScript standards, frontend architecture, and cloud-based delivery. You will lead spec-driven execution, collaborate across distributed teams, and raise engineering quality through reviews and mentorship—apply now.

Responsibilities

• Design frontend architecture decisions including component structure and state management
• Define TypeScript standards and performance best practices for the portal
• Build Node.js services and integrations that support the developer platform
• Implement spec-driven development so each feature maps back to an approved spec
• Review code and enforce quality, security, and maintainability standards
• Mentor engineers and guide technical decisions across the team
• Integrate internal tooling and platform extensions to streamline SDLC workflows
• Coordinate delivery across distributed teams with a required work-hour shift until 2pm PST

Requirements

• 3+ years of JavaScript/TypeScript fullstack experience with Node.js
• Cloud platform experience including application hosting and deployment
• Senior-level leadership experience providing technical direction and code review
• Strong project ownership skills working independently across distributed teams
• Advanced Node.js backend development skills for APIs and integrations
• Strong TypeScript skills with attention to standards and performance
• Effective communication and collaboration skills in cross-functional environments
• English proficiency: B2 Upper-Intermediate

Nice to have

• Backstage experience including plugin and template development
• Elastic Stack or Elasticsearch integration experience
• Terraform experience including running or automating Terraform scripts
• Google Cloud Platform experience
• Web application hosting and Node.js deployment experience

Benefits

• International projects with top brands
• Work with global teams of highly skilled, diverse peers
• Healthcare benefits
• Employee financial programs
• Paid time off and sick leave
• Upskilling, reskilling and certification courses
• Unlimited access to the LinkedIn Learning library and 22,000+ courses
• Global career opportunities
• Volunteer and community involvement opportunities
• EPAM Employee Groups
• Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn