Senior Fullstack Engineer (m/f/d)
Indexed description
As the Senior Fullstack Engineer (BE Focused) (m/f/d), you are a highly experienced individual contributor within a cross-functional team, building performant, scalable, and customer-centric web applications used by millions across Europe.
You drive complex feature development end-to-end and contribute to architectural decisions, while collaborating closely with peers and stakeholders. You elevate engineering quality through strong technical judgment and ownership.
Our Tech Stack: React, Node.js, TypeScript, Next.js, NestJS, Java, React, Docker, Kubernetes, CI/CD, Google Cloud, RabbitMQ, MongoDB
Job Description
About the role:
- Design and implement complex features across our web-shop, translating business requirements into scalable and maintainable solutions.
- Extend and build backend services across domains, ensuring clean interfaces and well-defined API contracts.
- Contribute to frontend development using ReactJS, with attention to performance and maintainability.
- Create and consume APIs following contract-first principles and ensuring backward compatibility.
- Implement scalable asynchronous communication patterns using RabbitMQ.
- Identify and address performance bottlenecks, reliability gaps, and technical debt within your scope.
- Take full ownership of your features: design, implementation, testing, deployment, and post-release monitoring.
- Participate actively in code reviews and architectural discussions, contributing thoughtful technical input.
- Support and mentor less experienced engineers through collaboration and example.
- Contribute to the continuous improvement of development processes and engineering standards.
- You demonstrate seniority through impact, ownership, and sound technical judgment.
- You are comfortable working independently on complex tasks while aligning with the broader team architecture.
- You have strong experience building and operating scalable services with Node.js and TypeScript.
- You have solid expertise in RESTful API design, HTTP semantics, and distributed system fundamentals.
- You understand asynchronous communication patterns and event-driven architecture.
- You bring a DevOps mindset and are comfortable with Docker, Kubernetes, CI/CD pipelines, and production monitoring.
- You proactively identify risks and trade-offs, and communicate them clearly.
- You collaborate effectively with product, design, and other engineering teams.
- You value open feedback, continuous learning, and shared ownership.
- Welcome days: We want you to feel at home with us from the very first day. Therefore, we welcome you with our comprehensive onboarding program.
- Personal development: Grow! We support and encourage your individual development through various in- and external trainings.
- Work from Home: If your job does not require you to be present in the office, we can arrange the place you work from individually - even for up to 20 days a year anywhere in the EU.
- Mental Health: Get quick and professional help from psychologists of nilo if you feel overwhelmed in private or professional life. Anonymous and free of charge.
- Mobility: We provide our employees with a fully costed Deutschland Ticket which can be used at any time. Click here to learn more.
Create a free Caio profile to unlock the full index and keep your job-search signal for future recommendations.
Unlock free search