# Senior Software Engineer (Node.js)Magma Labs Mexico Contract Remote Apply by Dec 23, 2026##

About the role
Senior Software Engineer (Node.js) Important: This role is open only to candidates currently living in Mexico or Latin America. Applications from other regions will not be considered. Join Magma Labs , a leading provider of expert software engineers dedicated to helping companies achieve their goals across diverse and impactful industries. We are actively seeking a seasoned Senior Software Engineer (Node.js) to join our fully remote team. In this pivotal role, you will apply your passion for building scalable, high-performance backend systems to solve complex challenges for our clients in healthtech, e-commerce, fintech, and other fast-growing sectors. You will play a key role in designing, developing, and maintaining modern backend architectures powered by Node.js and cloud-native technologies, directly contributing to our clients’ success while driving technical excellence across projects.

About the Role
Are you a seasoned Backend Engineer passionate about building reliable, secure, and scalable systems with Node.js? As a Senior Software Engineer (Node.js), you will take ownership of architectural decisions, lead backend initiatives, and ensure best practices across high-traffic APIs, Saa S platforms, and distributed systems. You’ll balance delivery speed with long-term maintainability, performance optimization, security, and observability. Your contributions will directly impact system reliability, developer productivity, and business scalability. If you thrive on solving complex backend challenges using modern Java Script/Type Script ecosystems, we want to hear from you.### Responsibilities Lead the architectural design, development,



and continuous evolution of scalable backend applications using Node.js (preferably with Type Script). Design and implement RESTful and/or Graph QL APIs with clear versioning, validation, documentation, and error-handling standards. Optimize database performance (primarily Postgre SQL), 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.### Requirements
* Minimum of 7 years of software development experience, with at least 5 years focused on backend development using Node.js in production environments




* Strong proficiency in Type Script (or modern Java Script with willingness to work in Type Script)
* Experience with backend frameworks such as Nest JS, Express, or Fastify
* Solid expertise with relational databases (preferably Postgre SQL), 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.)
* Bonus Points If You Have Experience designing microservices or refactoring monolithic systems
* Experience with event-driven architectures
* Familiarity with Graph QL or advanced API contract design
* Experience with Amazon Web Services, Google Cloud, or Microsoft Azure
* Hands-on experience with Docker and container orchestration
* Knowledge of distributed tracing and observability practices
* Exposure to frontend frameworks such as React.js
* Contributions to open-source projects or technical publications
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About Us
We are a team of innovative software professionals dedicated to delivering high-quality solutions across diverse industries
* With a proven track record of success, we prioritize tec

📌 Senior software engineer (México)
🏢 NEPSE Trading
📍 México