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Sr. Fullstack Engineer (m/f/x)

KONUX - Munich, Bavaria, Germany - Hybrid - posted 2026-10-01

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Salary: EUR 90,000 - 100,000 / annual

KONUX is a dynamic technology company transforming railway operations through AI-powered solutions. The company values grit, ingenuity, and credibility, and is looking for experienced full-stack engineers to drive innovation in IoT and AI. In this Senior Full-Stack Engineer role, you will be at the forefront of developing solutions to improve railway operations. You'll work in a cross-functional team alongside data engineers, full-stack engineers, and DevOps engineers, focused on developing and enhancing features for the switch monitoring product. Key responsibilities include: - Working as a software developer in a cross-functional team focused on developing and enhancing features for the switch monitoring product - Taking technical leadership for projects in your team, actively collaborating with the revenue team, analyzing requirements, and aligning technical dependencies across teams - Defining and promoting common technical standards across all teams alongside other full-stack engineers - Owning your designs and code, bringing good coding practices throughout the full product life cycle, and keeping other team members accountable to meet goals The role offers a hybrid working model with a minimum of 2 days per week in the Munich office. Benefits include competitive salary, equity participation, a dedicated learning and development budget of €3,600 per year, comprehensive relocation support, modern workspace with rooftop mountain views, flexible working conditions, health benefits, company pension scheme, 27 vacation days (increasing with tenure), and a pet-friendly office environment. REQUIREMENTS: - 5+ years of experience developing frontend and backend functionality, deploying to cloud environments (preferably AWS) - Experience building frontends with modern frameworks (preferably React and TypeScript) and various backend technologies (preferably Python, Java, SpringBoot) - Experience with multiple database technologies - Experience with AWS services (e.g., Lambdas, DynamoDB, EventBridge, SQS, API Gateway) or similar services from other cloud platforms - Nice to have: experience working with data pipelines - As a generalist, eager to continuously learn and open to switching between technical domains (Backend, Frontend, infrastructure, Data Engineering) - Strong communication skills and ability to work in close team setups - Execution-oriented approach with a focus on getting things done

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