Backend Developer, NestJs

This is a fully remote position, open to applicants in Latin America.

📋 Description

• Triage, diagnose, and resolve issues within production across distributed microservices.

• Investigate root causes of incidents, implement fixes, add regression tests, and document the findings.

• Enhance existing services, which include certification programs, scorecards, scoring, payments, and integrations.

• Adhere to established layered service architecture patterns and utilize shared internal libraries.

• Maintain and expand integrations for performance data, CRM, ERP, payment processing, email, and cloud file storage.

• Write and update scripts for database migrations and troubleshoot live-data issues.

• Collaborate with QA and product teams to clarify behavior, reproduce issues, and assist in verification.

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

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

• Take ownership of problems from the initial bug report or change request through to tested and deployed solutions.

⛳️ Requirements

• Must currently reside in a Latin American country; applications from outside Latin America will not be considered.

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

• Strong proficiency in NestJS or a similar structured backend framework, including knowledge of modules, controllers, services, dependency injection, and middleware.

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

• Familiarity with relational databases, PostgreSQL queries, and safe migration methodologies.

• Experience in debugging distributed systems across multiple services utilizing logs and metrics.

• Good judgment regarding risk, particularly in relation to payments, authentication, and live data.

• Proven experience in integrating third-party systems such as payment providers, CRMs, ERPs, and identity providers.

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

• Comfortable utilizing AI coding agents and tools while upholding quality standards.

• Ability to write tests that validate fixes and prevent regressions.

• Excellent communication skills, both written and verbal.

• Preferred: experience with platform maintenance and enhancement transitions, adapter patterns, webhook-driven integrations, Docker, Kubernetes, AWS or other major cloud providers, and observability practices.

• English proficiency will be evaluated during the application process.

🏝️ Benefits

• Remote work opportunities.

• Options for full-time employment or B2B contracts.