Senior Go/TS CLI Engineer - API Tooling & Dev Tools

Tech Mirrors; Phoenix (AZ); On-site; USD 140,000 - 180,000; Full time

Job summary

Tech Mirrors in Phoenix, AZ is seeking a Senior GoLang Developer to design and build production‑grade CLI tools using Go and TypeScript. This onsite role focuses on API governance, developer workflows, and platform operations, including packaging and telemetry.

You will work with GitHub/GitLab, CI/CD systems, and SDKs, building reliable release pipelines and authentication features while delivering excellent developer experiences. Onsite in Phoenix, long‑term contract with H1B constraints.

Qualifications

• Strong proficiency in Golang and TypeScript/Node.js.
• Experience building and maintaining production‑grade CLI applications.
• Deep understanding of software packaging and distribution technologies (Homebrew, npm, standalone binaries, installers, containers, etc.).
• 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.

Responsibilities

• Design and develop production‑grade CLI tools using Golang and/or TypeScript.
• Build command‑line experiences for 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.
• 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 follows 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 excellent 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 Development

API Design

CI/CD

GitHub/GitLab

OpenTelemetry

OAuth

Cloud-Native

Tools

Git

Kubectl

NPM

Installers

Containers

Homebrew

SDKs

Job description

Tech Mirrors in Phoenix, AZ is seeking a Senior GoLang Developer to design and build production‑grade CLI tools using Go and TypeScript. This onsite role focuses on API governance, developer workflows, and platform operations, including packaging and telemetry.

You will work with GitHub/GitLab, CI/CD systems, and SDKs, building reliable release pipelines and authentication features while delivering excellent developer experiences. Onsite in Phoenix, long‑term contract with H1B constraints.