Senior JavaScript Developer

EPAM Systems; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

EPAM Systems Inc. seeks a Senior JavaScript Developer to help build a next‑gen API Review Agent platform and tooling ecosystem. You will create Go/Python/TypeScript CLI tooling, SDKs, and plugins to enable governance, automation, and developer workflows across macOS and Windows environments.

You’ll shape release automation, distribution, telemetry, and security while integrating with GitHub, GitLab, CI/CD, IDEs, and developer portals. Excellent written and verbal English skills required.

Qualifications

• Minimum 3 years of relevant experience.
• Strong proficiency in Golang and TypeScript/Node.js.
• Experience building and maintaining production-grade CLI applications.
• Deep understanding of software packaging and distribution technologies including Homebrew and npm.
• Experience implementing telemetry, analytics, and usage instrumentation in developer tools.
• Knowledge of OpenTelemetry, metrics collection, logging, and observability best practices.
• Experience with release engineering, CI/CD automation, and artifact management.
• Strong understanding of API design, OpenAPI specifications, and developer experience principles.

Responsibilities

• Design and develop production-grade CLI tools using Golang and/or TypeScript.
• Build command-line experiences supporting API governance, review automation, developer workflows, and platform operations.
• Create extensible plugin architectures and SDKs for internal and external consumers.
• Design and implement software distribution strategies across macOS and Windows environments.
• Build release pipelines, package managers, installers, auto-update mechanisms, and version management solutions.
• Implement telemetry frameworks that measure adoption, usage patterns, performance, reliability, and feature engagement.
• Ensure telemetry collection adheres to privacy, compliance, and enterprise governance requirements.
• Develop authentication, configuration, and credential-management capabilities for developer tools.
• Build integrations with GitHub, GitLab, CI/CD systems, IDEs, and developer portals.
• Create high-quality documentation, tutorials, examples, and developer onboarding experiences.
• Participate in architecture reviews, code reviews, and platform-wide engineering initiatives.
• Drive reliability, scalability, security, and maintainability across the tooling ecosystem.

Skills

Golang

TypeScript/Node.js

CLI tooling

API design

OpenTelemetry

Cloud-native

Tools

Golang

TypeScript

OpenTelemetry

CI/CD

NPM

Homebrew

Containers

Job description

We are seeking a skilled Senior JavaScript Developer to join our team. We are building a next-generation API Review Agent platform and developer tooling ecosystem. The platform enables engineers to validate, review, govern, and automate API quality using AI-powered workflows. Our vision extends beyond backend services—we are creating world-class CLI tooling, SDKs, plugins, and developer experiences that can be distributed globally and adopted across thousands of engineers. We are looking for engineers who are passionate about developer productivity, command-line tooling, software distribution, observability, and telemetry. You should be equally comfortable building Go-based CLIs, TypeScript developer tooling, release automation, update mechanisms, and analytics pipelines that help teams understand how tooling is used in production.

Responsibilities

• Design and develop production-grade CLI tools using Golang and/or TypeScript
• Build command-line experiences supporting API governance, review automation, developer workflows, and platform operations
• Create extensible plugin architectures and SDKs for both internal and external consumers
• Design and implement software distribution strategies across macOS and Windows environments
• Build release pipelines, package managers, installers, auto-update mechanisms, and version management solutions
• Implement telemetry frameworks that measure adoption, usage patterns, performance, reliability, and feature engagement
• Ensure telemetry collection adheres to privacy, compliance, and enterprise governance requirements
• Develop authentication, configuration, and credential-management capabilities for developer tools
• Build integrations with GitHub, GitLab, CI/CD systems, IDEs, and developer portals
• Create high-quality documentation, tutorials, examples, and developer onboarding experiences
• Participate in architecture reviews, code reviews, and platform-wide engineering initiatives
• Drive reliability, scalability, security, and maintainability across the tooling ecosystem

Requirements

• A minimum of 3 years of relevant experience
• Strong proficiency in Golang and TypeScript/Node.js
• Experience building and maintaining production-grade CLI applications
• Deep understanding of software packaging and distribution technologies, including Homebrew, npm, standalone binaries, installers, and containers
• Experience implementing telemetry, analytics, and usage instrumentation within developer tools
• Knowledge of OpenTelemetry, metrics collection, logging, and observability best practices
• Experience with release engineering, CI/CD automation, and artifact management
• Strong understanding of API design, OpenAPI specifications, and developer experience principles
• Experience building SDKs, plugins, extensions, or developer productivity platforms
• Knowledge of authentication mechanisms, including OAuth, API keys, and enterprise SSO integrations
• Experience working with cloud-native and distributed systems
• Excellent written and verbal communication skills
• Ability to work independently in ambiguous environments and drive technical decisions
• Upper-Intermediate English language competency (B2)
• Nice to have Experience with AI solution engineering
• Background in developer platform engineering
• Familiarity with AI-assisted tooling and agent-based workflows
• Experience with software supply chain management and artifact distribution
• Background building cross-platform desktop tooling
• Experience contributing to or maintaining open-source tooling ecosystems
• Familiarity with enterprise telemetry and analytics platforms
• Experience with API governance and developer portals