Junior Back-End Developer (NestJS / TypeScript)

Descrição da Vaga

Requisitos

• The ideal candidate has strong programming fundamentals and a desire to grow their skills in modern backend development using Node.js, TypeScript, and microservices architecture
• 0–2 years of backend development experience (internships or projects acceptable)
• Strong fundamentals in JavaScript and TypeScript
• Basic knowledge of Node.js, HTTP, and REST APIs
• Understanding of SQL database concepts, including joins, indexing, constraints, and transactions
• Familiarity with Git workflows, including pull requests, branching, and code reviews
• Strong communication skills and willingness to ask questions
• Ownership and accountability for assigned work
• Learning mindset and openness to feedback
• Ability to break down tasks and estimate effort
• Collaborative approach to working with engineering teams
• Direct experience with NestJS
• Experience with TypeORM or similar ORM frameworks
• Exposure to Redis or caching strategies
• Familiarity with message queues or microservices architectures
• Experience with testing frameworks such as Vitest or Jest
• Familiarity with Swagger or OpenAPI documentation tools
• Interest in writing clean, maintainable, and self-documenting code

Responsabilidades

• The Junior Back-end Developer at Hyper Solutions supports the development and maintenance of backend services for Hyper’s software platforms and internal systems
• This role focuses on API development, database operations, testing, and production support while working under the mentorship of senior engineers
• This role offers hands-on experience building scalable applications used by internal teams and customers across Hyper’s technology platforms
• Build and maintain REST and RPC backend endpoints using Node.js, TypeScript, and NestJS
• Implement DTO validation, structured error handling, and clean service-layer logic
• Work with PostgreSQL and TypeORM for database queries, schema updates, and data integrity
• Write and maintain unit and integration tests to ensure system reliability
• Debug and resolve issues across development, staging, and production environments
• Collaborate with frontend developers, QA engineers, and DevOps teams during feature delivery
• Participate in code reviews and technical discussions with senior engineers
• Follow coding standards, linting requirements, and documentation practices
• Support ongoing improvements to backend performance and maintainability
• Assist with troubleshooting production issues and documenting debugging steps

Benefícios