Java Full-Stack Engineer

Java Full Stack Software Engineer

Commsignia is a leading software and hardware provider in the emerging Vehicle-to-Vehicle and Vehicle-to-Infrastructure (V2X) communications market, with a mission to increase traffic safety and efficiency on the road.

As a Java Full Stack Software Engineer, you will have the opportunity to contribute to the development of our core V2X software stack and services, working on scalable systems that support real-time mobility applications across Europe, the US, and Asia. In this challenging role, you’ll have the room to grow personally and professionally within the team while enjoying high responsibility and independence.
We’d love to hear from you!

What you’ll be doing:

• Backend Development: Develop, and maintain backend services and microservices using Java and modern frameworks.
• Frontend Development: Develop and maintain modern web applications using Angular or React with TypeScript in collaboration with UX/UI designers
• Event-Driven Architecture: Build robust, asynchronous, event-driven systems leveraging technologies such as Kafka & MQTT
• Cloud-Ready Solutions: Develop enterprise-grade software that is scalable, resilient, and optimized for cloud environments.
• API Development: Build RESTful and asynchronous APIs following best practices for security, performance, and maintainability.
• Code Quality & Testing: Deliver clean, well-documented code with comprehensive test coverage; contribute to test autiomation, participate in peer reviews.
• CI/CD Collaboration: Work closely with DevOps teams to integrate services into automated CI/CD pipelines
• Agile Delivery: Work as an active member of an Agile Scrum team in collaboration with stakeholders to refine requirements, clarify acceptance criteria while deliver features iteratively
• Continuous Improvement: Contribute to continuous improvement of development practices and tech debt elimination
• AI: Use AI tools to improve your delivery effectiveness and execution. 

What makes you a great fit:

• 3+ years of experience in backend engineering with Java, Spring Boot, and RESTful API.
• Comfortable touching frontend
• Experience with Git
• Experience working in Linux environments
• Clear and confident communication in English

Not required, but awesome:

• Solid understanding of networking concepts and protocols
• Experience with Kafka, Redis, or other distributed data technologies.
• Knowledge of Docker, Kubernetes, and cloud-native environments.
• Experience with scripting languages (Bash, Python, etc.)
• Interest in prompt engineering or agentic AI tooling.
• Familiarity with observability tools (Grafana, Prometheus, OpenTelemetry).

What we offer you:

• Join the revolution in mobility - smart infrastructure and autonomous tech.
• Professional growth in a fast-moving, tech-driven environment.
• Flexible working hours to support work-life balance.
• Home office – 3 days home 2 days in the office
• Health matters - we offer private insurance from day one.
• A supportive, collaborative team you’ll enjoy working with.
• A competitive compensation package.