Senior Full Stack Developer (React.js + Node.js)
Role Overview
As a specialist in electronics and software for the past 20 years, in-tech is a dynamic, fast-growing engineering company headquartered in Munich, Germany employing around 2350 employees globally across 20 project locations in 8 countries. in-tech develops innovative engineering solutions for the automotive, rail, aerospace, defence, and industrial sectors. We are committed to a flexible, modern work culture and work-life balance. Our colour orange stands for liveliness, warmth, and dynamism. We value a strong team spirit, fresh ideas and a positive work culture. We call it the “Orange Spirit”! Since 2024, in-tech became a subsidiary of Infosys Ltd. This strategic partnership enables us to offer our customers even more comprehensive development and digitalisation services and a greater offshore capability. We are seeking a Senior Full Stack Developer with recent, hands-on experience building and scaling modern web applications. You will own features end-to-end—from React/TypeScript UI development to Node.js services—with a strong focus on performance, reliability, and efficient processing of large volumes of data. If you’re passionate about joining a growing and dynamic team with a company with a positive culture and team spirit, we’d love to connect with you!
Key Skills for This Role
Full Job Posting
Responsibilities
- Build and maintain scalable web applications (frontend & backend). Develop responsive, high-performance UIs using React.js, JavaScript (ES6+), and TypeScript. Create secure and performant APIs/services in Node.js. Design and optimize MongoDB schemas, queries, and indexes. Implement solutions for large-scale data handling (pagination, caching, memory-efficient processing). Drive code quality through reviews, testing, and documentation. Mentor and support team members in best practices. Collaborate with cross-functional teams to deliver features. Troubleshoot and resolve production issues efficiently. Continuously improve development workflows and processes.
Requirements
- Recent experience with React.js + TypeScript and modern state/data patterns (Redux/React Query or similar). Strong proficiency in Node.js (Express/Nest or similar), REST APIs, and async programming. Expertise in MongoDB (aggregation, indexing, query optimization). Proven track record working with large datasets/high-volume data systems. Solid understanding of performance tuning and scalable architecture. Experience with code reviews, testing, and documentation. Ability to mentor and guide junior developers. Excellent problem-solving and troubleshooting skills. Strong communication and teamwork abilities. (Nice to Have) Experience with Cloud (AWS/Azure/GCP), Docker/CI-CD, Redis, queues/streaming, microservices/event-driven architecture. Apply with us If you have experience and team spirit and are looking for a great place to work, then start your job with us. As part of our dedication to the diversity of our workforce, in-tech is committed to equal employment opportunity without regard for age, race, colour, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion.
Preferred Qualifications
- Recent experience with React.js + TypeScript and modern state/data patterns (Redux/React Query or similar). Strong proficiency in Node.js (Express/Nest or similar), REST APIs, and async programming. Expertise in MongoDB (aggregation, indexing, query optimization). Proven track record working with large datasets/high-volume data systems. Solid understanding of performance tuning and scalable architecture. Experience with code reviews, testing, and documentation. Ability to mentor and guide junior developers. Excellent problem-solving and troubleshooting skills. Strong communication and teamwork abilities. (Nice to Have) Experience with Cloud (AWS/Azure/GCP), Docker/CI-CD, Redis, queues/streaming, microservices/event-driven architecture. Apply with us If you have experience and team spirit and are looking for a great place to work, then start your job with us. As part of our dedication to the diversity of our workforce, in-tech is committed to equal employment opportunity without regard for age, race, colour, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion.
About in-tech GmbH
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