Senior Backend Engineer - NodeJS

Renesas is one of the top global semiconductor companies in the world. We strive to develop a safer, healthier, greener, and smarter world, and our goal is to make every endpoint intelligent by offering product solutions in the automotive, industrial, infrastructure and IoT markets. Our robust product portfolio includes world-leading MCUs, SoCs, analog and power products, plus Winning Combination solutions that curate these complementary products. We are a key supplier to the world’s leading manufacturers of electronics you rely on every day; you may not see our products, but they are all around you.

Renesas employs roughly 21,000 people in more than 30 countries worldwide. As a global team, our employees actively embody the Renesas Culture, our guiding principles based on five key elements: Transparent, Agile, Global, Innovative, and Entrepreneurial. Renesas believes in, and has a commitment to, diversity and inclusion, with initiatives and a leadership team dedicated to its resources and values. At Renesas, we want to build a sustainable future where technology helps make our lives easier. Join us and build your future by being part of what’s next in electronics and the world.

We are looking for a talented and self-driven Backend Engineer to join our growing engineering team. You will be responsible for designing, implementing, and maintaining scalable backend services using Node.js, Fastify, and Python. You will work closely with cross-functional teams to build APIs, manage data flow, and ensure reliability and performance of backend systems.

Responsibilities

Design and develop robust RESTful APIs and microservices using Node.js and Fastify; Write clean, efficient, and scalable code in JavaScript and Python; Collaborate with frontend developers, QA engineers, and product managers; Implement automated tests to ensure high code quality; Optimize backend performance and troubleshoot production issues; Work with databases (SQL/NoSQL) and messaging systems; Participate in code reviews and share knowledge with team members; Contribute to DevOps practices, CI/CD pipelines, and cloud deployments

Requirements

Strong proficiency in TypeScript, JavaScript (Node.js, Fastify) and Python; Experience building APIs, microservices, event-driven or distributed systems; Good understanding of REST, HTTP, and WebSockets; Familiarity with databases like MongoDB, PostgreSQL, or Redis; Working knowledge of Docker, Git, and cloud platforms (e.g. AWS, GCP, Azure); Knowledge of authentication/authorization (OAuth2, JWT); Monitoring tools like Grafana, Prometheus, or ELK Stack