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

We offer

International projects with top brands
Work with integral teams of highly skilled, diverse peers
Healthcare benefits
Employee f

📌 Senior JavaScript Fullstack Developer (Argentina)
🏢 EPAM Systems
📍 Argentina