Backend Developer, NestJs

This is a fully remote position, open to applicants in United States.

📋 Description

• Prioritize, diagnose, and resolve production challenges across distributed microservices.

• Analyze incident root causes, implement fixes, create regression tests, and document discoveries.

• Develop enhancements for certification programs, scorecards, scoring mechanisms, payments, and integrations.

• Adhere to layered service architecture and established patterns from API gateway to external system adapters.

• Sustain and enhance integrations for performance data, CRM, ERP, payments, email, and cloud file storage.

• Author and revise PostgreSQL database migration scripts.

• Investigate data-related production issues using live data.

• Collaborate with QA and product teams to reproduce issues, clarify behaviors, verify solutions, and confirm edge cases.

• Enhance observability through structured logging, sensitive data masking, and improved production visibility.

• Engage in code reviews and ensure documentation remains up-to-date.

• Utilize AI coding agents to explore, build, and deliver work efficiently.

⛳️ Requirements

• Demonstrated capability to take ownership of problems from the initial bug report or change request through to a tested, deployed solution.

• Experience in production environments building and maintaining backend services with Node.js and TypeScript.

• Strong proficiency with NestJS or a similar structured backend framework, encompassing modules, controllers, services, dependency injection, and middleware.

• Solid understanding of REST/HTTP fundamentals, including service-to-service communication, API contracts, versioning, and error management.

• Comfortable working with relational databases, PostgreSQL queries, and secure migration practices.

• Proficient in debugging distributed systems across multiple services using logs and metrics.

• Good risk judgment for payments, authentication, and changes to live data.

• Experience in integrating third-party payment providers, CRMs, ERPs, and identity providers.

• Knowledge of OAuth 2.0, JWT verification, SSO, and machine-to-machine authentication.

• Comfortable using AI coding agents and tools while ensuring quality.

• Capable of writing regression-prevention tests.

• Excellent communication skills, both written and verbal.

• Proficiency in English is required; level will be assessed during the application process.

• Nice to have: experience transitioning platforms from active build to maintenance and enhancement.

• Nice to have: familiarity with adapter patterns.

• Nice to have: experience with webhook-driven integrations and signature verification.

• Nice to have: knowledge of Docker, Kubernetes, and AWS or another major cloud provider.

• Nice to have: experience with structured logging and sensitive data masking.

🏝️ Benefits

• Flexible remote work arrangement.

• Option for full-time employment.

• B2B contract option available.