IoT Developer / ThingsBoard Engineer (m/f/x)

About Us

At AXO Track GmbH , we digitize existing railway infrastructure to make it safer, more efficient, and more sustainable. Using IoT-based predictive maintenance technologies, we develop solutions that monitor track systems in real time – enabling smarter rail operations and contributing to climate protection. We’re a growing DeepTech company with a clear mission: to modernize rail transport through innovation. Join our international team and help shape the future of rail mobility!

Your Mission

Your mission is to design, customize, and operate our ThingsBoard-based IoT platform , ensuring reliable device connectivity, meaningful data visualization, and scalable system performance.
You will work at the intersection of hardware, backend systems, and data , transforming raw sensor data into actionable insights for real-world industrial use cases.

Your Responsibilities

IoT Platform & ThingsBoard

• Configure and customize ThingsBoard dashboards, widgets, and rule chains

• Develop custom ThingsBoard widgets using JavaScript, AngularJS, HTML, and CSS

• Extend ThingsBoard functionality via REST APIs, microservices, or plugins

Device & Data Integration

• Connect IoT devices using MQTT, or CoAP

• Manage device profiles, attributes, and telemetry streams

• Ensure secure device provisioning (tokens, certificates)

Data Processing & Monitoring

• Configure telemetry storage and aggregation (PostgreSQL / TimescaleDB)

• Implement alarms, notifications, and data filtering

• Integrate external analytics tools (e.g. Python, Grafana)

Backend & System Integration

• Work with the ThingsBoard REST API and SDKs (Python / Java)

• Develop custom microservices when additional business logic is required

• Operate and improve the platform in Linux and Docker-based environments

Your Profile

• Strong knowledge of IoT protocols (MQTT, CoAP)

• Hands-on experience with ThingsBoard (Community or Professional Edition)

• Proficiency in JavaScript, AngularJS, HTML, and CSS

• Experience with REST APIs and system integrations (Python or Java)

• Solid understanding of databases (PostgreSQL, TimescaleDB)

• Experience with Docker , ideally also Kubernetes

• Understanding of scalable systems and message brokers (Kafka, Redis)

Nice to have

• Java / Spring Boot for ThingsBoard backend extensions

• Python for data analysis (pandas, NumPy)

• DevOps experience (CI/CD, Ansible, Terraform)

• Knowledge of IoT security (TLS/SSL, VPNs)

• Experience with cloud platforms (AWS IoT, Azure IoT, GCP IoT)

• Basic understanding of AI/ML use cases for IoT

What We Offer

• Permanent full-time contract

• Competitive compensation package

• Flexible working hours and self-directed projects

• An agile, cross-functional, international team with flat hierarchies

• Purpose-driven work in a company that values sustainability and innovation

• Plenty of room for your ideas and initiative

Our Culture

At AXO, we believe in diversity, inclusivity, and mutual respect. We welcome all applications – regardless of gender, nationality, ethnic and social background, religion, age, sexual orientation, or identity.