Magmalabs builds tailored software solutions to help companies execute their vision.
Senior Software Engineer, Node.js
Location
Mexico
Posted
104 days ago
Salary
0
Seniority
Senior
Job Description
Senior Software Engineer, Node.js
MagmaLabs
• Lead the architectural design, development, and continuous evolution of scalable backend applications using Node.js (preferably with TypeScript) • Design and implement RESTful and/or GraphQL APIs with clear versioning, validation, documentation, and error-handling standards • Optimize database performance (primarily PostgreSQL), including schema design, indexing strategies, query tuning, and transaction management • Implement asynchronous processing, background jobs, and event-driven workflows using modern queue or messaging systems • Design resilient integrations with third-party APIs and services (timeouts, retries, circuit breakers, monitoring) • Ensure code quality and reliability through automated testing (unit, integration, and contract tests) • Participate in code reviews, maintain high engineering standards, and actively mentor team members • Collaborate cross-functionally with product managers, designers, and other engineers to deliver end-to-end solutions • Contribute to infrastructure and deployment processes (Docker, Kubernetes, CI/CD pipelines) • Improve production reliability through monitoring, logging, tracing, and performance optimization • Maintain clear technical documentation, including architecture decisions and operational guidelines • Take ownership of complex technical initiatives and drive them to completion independently
Job Requirements
- Minimum of 7 years of software development experience
- At least 5 years focused on backend development using Node.js in production environments
- Strong proficiency in TypeScript (or modern JavaScript with willingness to work in TypeScript)
- Experience with backend frameworks such as NestJS, Express, or Fastify
- Solid expertise with relational databases (preferably PostgreSQL), including schema design and query optimization
- Experience with caching and/or asynchronous processing systems (e.g., Redis, message brokers, queues)
- Hands-on experience with automated testing frameworks (e.g., Jest or similar) and CI/CD pipelines
- Strong understanding of secure backend practices (authentication, authorization, input validation, secrets management, rate limiting)
- Experience working with containerization and cloud environments
- Proficiency with Git and collaborative development workflows
- Strong problem-solving skills and ability to thrive in a remote-first environment
- Excellent communication skills in English
- Demonstrated ability to take initiative and lead technical decisions independently
- Experience working within Agile development methodologies (Scrum, Kanban, etc.)
Benefits
- Flexible work arrangements
- Professional development opportunities
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