(Senior) Backend Developer (m / f / d)

ABOUT THE TEAM

We are an international team building KINEXON OS, the operating system that optimizes visibility and transparency of industrial moving assets. Our platform captures real-time location data and provides dynamic workflows, delivering actionable insights for production and logistics.

KINEXON OS is open, flexible, and scalable, enabling full visibility into supply chains and dynamic tracking of assets for swift operational decision-making. It aggregates position and identification data from various sources and enriches it with contextual information from third-party IT / OT systems such as ERP, MES, and WMS.

Join us to shape the backbone of a platform that powers digital transformation in manufacturing and logistics worldwide.

YOUR QUALIFICATIONS

For this opportunity, we are looking for someone with :

• Completion of a university degree or comparable qualification
• Solid backend development experience in a compiled, strongly typed language (C++ or Go); openness to Python & Node.js for some services
• Comfortable reading and learning code in other languages in the stack
• Experience with Kafka (producers / consumers, topics, partitions, schema evolution, error handling, monitoring)
• Strong SQL skills (PostgreSQL) : schema design, query optimization, indexing, transactions
• Experience with test automation and integrating tests into CI / CD pipelines
• Containerization : building / debugging Docker images, orchestration with Docker Swarm; Kubernetes basics a plus
• GitLab CI / CD : writing and maintaining pipelines, build / test automation
• Linux : solid command-line skills, process / network debugging, scripting
• Understanding of distributed system fundamentals : message ordering, fault tolerance, backpressure, eventual consistency
• Clear communication in English (German optional)
• Hands-on experience using GenAI tools for coding and a strong curiosity about AI-driven developer productivity

Nice-to-have: Frontend familiarity (Angular / TypeScript) for debugging and small changes

Knowledge of other pub-sub or in-memory solutions (Redis, NATS, ZeroMQ)

Kubernetes hands-on deployment, Helm basics

Tracing / observability tools (OpenTelemetry, Jaeger, Zipkin, Prometheus / Grafana, ELK / EFK)

Security basics : secrets management, TLS in service communication

YOUR TASKS

• Design and implement APIs and data processing workers within our KINEXON OS ecosystem
• Create and evolve backend architectures for scalability and reliability
• Own and plan larger coding projects (refactoring, new features) that require coordination across multiple teams
• Develop and maintain backend services in C++, Go, and Python
• Ensure robust automated testing and CI / CD integration in close collaboration with QA engineers
• Contribute to observability, performance tuning, and security improvements
• Collaborate closely with frontend, DevOps, and product teams to deliver end-to-end solutions

OUR TECH STACK

Our diverse tech stack allows us to build robust and efficient services :

• Backend : C++, Go, Python, Node.js
• Frontend : Angular, TypeScript
• Messaging : Kafka, MQTT
• Database : PostgreSQL
• Containerization : Docker, Docker Swarm, potentially Kubernetes
• CI / CD : GitLab
• Observability : Prometheus, Grafana
• OS : Linux

You can look forward to this with us

At KINEXON, you will meet people with a similar mindset who are passionate about innovative technologies and love to master new challenges in a team, as well as create great products.

Become part of our team and enjoy the following benefits :

• #Freetime 30 days(DE) / 20 days (US) paid vacation to refuel your energy (for full-time employees)
• #WeCare – take your time off for the family (parental leave etc.)
• #WorkingHours – Early bird or night owl - you can choose your flexible work hours.
• #FlexibleLocation – we work with a hybrid and remote model.
• #OneTeam - We enjoy spending time together at regular team and company events.
• #OnTop – further benefits selected by you annually out of a range of benefits that we offer (mobility, sports, vacation budget, training budget and more)