Senior Node.js Developer – Service Reliability

Silverline Labs

Contract · Remote · Flexible hours

About the role

Silverline Labs is launching an integration project that ties together billing, CRM, and internal APIs. We need a Node.js Developer to design and implement the glue code that ensures data flows reliably across systems.

Key responsibilities

• Architect and build Node.js services that mediate between billing, CRM, and internal APIs
• Write clean, asynchronous JavaScript using Express and modern ES standards
• Implement robust REST endpoints, handle authentication, and ensure error resilience
• Collaborate with product and QA teams to define integration contracts and test scenarios
• Monitor performance, log key metrics, and troubleshoot integration issues in production

Must-have skills

• 5+ years of Node.js development
• Deep experience with Express, JavaScript (ES6+), and REST API design
• Proven track record integrating SaaS billing and CRM platforms
• Strong debugging, logging, and performance tuning abilities

Nice to have

• Familiarity with webhook architectures and event‑driven systems
• Experience with Docker or container orchestration
• Knowledge of CI/CD pipelines for automated deployments