Backend Developer (NestJS, TypeScript strict, PostgreSQL)

Benefits and conditions

• Compensation in US dollars.
• 100% remote work with an international team (US, LATAM, Europe).
• Full-time schedule. 
• Contractor engagement (professional services agreement)
• Candidates must have their own laptop and reliable internet connection.
• Exposure to multiple products and industries.
• Fast-moving environment with strong ownership culture.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 3 - 5 years of experience in backend development.
• Proactive using Coding Agents in AI Tools; such as Claude (prefered) Copilot or ChatGPT to enhance productivity.
• Strong proficiency in TypeScript using strict mode across the codebase.
• Solid experience with NestJS, including modular architecture, controllers, services, guards, decorators, and dependency injection.
• Strong knowledge of PostgreSQL, including relational database design, query optimization, and schema management.
• Experience with Sequelize v6 and sequelize-typescript for models, associations, migrations, and transactions.
• Proven experience designing and building REST APIs, including CRUD patterns, DTOs, validation, and error handling.
• Experience with JWT and Passport.js authentication strategies.
• Familiarity with class-validator and class-transformer.
• Experience working with Docker and Docker Compose.
• Knowledge of AWS S3 for file uploads using presigned URLs.
• Good Git practices including branching strategies, pull requests, and conventional commits.

Nice to have (it's a plus)

• WebSockets (Socket.io).
• Swagger, Jest + Supertest.
• Handlebars email templates.

Softs skills

• Advanced english level (C1 or higher), required for daily collaboration.
• Strong sense of ownership with the ability to deliver end-to-end solutions independently.
• Bias for action, prioritizing speed and iteration over perfection.
• Clear and direct communication, raising issues early and transparently.
• Collaborative mindset with openness to feedback and cross-functional work.
• Growth mindset with motivation to tackle complex challenges.

Responsibilities

• Design, develop, and maintain scalable backend services.
• Build and optimize REST APIs following best practices.
• Model and manage relational databases effectively.
• Contribute to architectural decisions and technical improvements.
• Collaborate across multiple products and teams.
• Ensure code quality through best practices and testing.
• Iterate quickly on features and improvements.
• Integrate AI-driven tools into daily development workflows.