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Senior JavaScript Developer

Role overview

Summary

This role focuses on developing a next-generation API Review Agent platform and tooling ecosystem at the company. You will contribute to building CLI tools, SDKs, and telemetry frameworks that enhance developer productivity and API quality.

Qualifications

  • 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.
  • Experience implementing telemetry, analytics, and usage instrumentation within developer tools.

Responsibilities

  • Design and develop production-grade CLI tools using Golang and/or TypeScript
  • Build command-line experiences supporting API governance and review automation
  • Create extensible plugin architectures and SDKs for internal and external consumers
  • Implement telemetry frameworks that measure adoption, usage patterns, and performance

Key facts

Hard skills

Other skills

  • Communication
  • Decision Making

About the company

EPAM Systems logo

EPAM Systems

  • IT Services & Consulting
  • XLarge
  • 10,001+
Since 1993, EPAM Systems, Inc. (NYSE: EPAM) has used its software engineering expertise to become a leading global provider of digital engineering, cloud and AI-enabled transformation services, and a leading business and experience consulting partner for global enterprises and ambitious startups. We address our clients’ transformation challenges by fusing EPAM Continuum’s integrated strategy, experience and technology consulting with our 30+ years of engineering execution to speed our clients’ time to market and drive greater value from their innovations and digital investments. We make GenAI real with our AI LLM orchestration, testing and engineering solutions, EPAM DIAL, EPAM EliteA™ and EPAM AI/RUN™, respectively. We deliver globally, but engage locally with our expert teams of consultants, architects, designers and engineers, making the future real for our clients, our partners and our people around the world. We believe the right solutions are the ones that improve people’s lives and fuel competitive advantage for our clients across diverse industries. Our thinking comes to life in the experiences, products and platforms we design and bring to market. Added to the S&P 500 and the Forbes Global 2000 in 2021 and recognized by Glassdoor and Newsweek as a Top 100 Best Workplace, our multidisciplinary teams serve customers across six continents. We are proud to be among the top 15 companies in Information Technology Services in the Fortune 1000 and to be recognized as a leader in the IDC MarketScapes for Worldwide Experience Build Services, Worldwide Experience Design Services and Worldwide Software Engineering Services. Learn more at www.epam.com.

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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

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