Java Backend Developer for Urban Mobility Platform (m/f)

Location: Brno, CZ, 617 00

Type of Employment: Hybrid - Full-time

Career Level: Professional

Job Family: Information Technology

Date posted: Sep 17, 2026

We‘re the Yunex Traffic team, a global leader in intelligent traffic systems. We have been working on revolutionary technologies for the mobility of the future. We develop solutions for traffic management leading to greater traffic flow, safety, efficiency and environmental friendliness. The results of our work are perceived by the citizens in cities around the world.

Who are we looking for?

We are looking for a new colleague with a strong Java backend focus, at mid-level or senior level. You will develop new capabilities while improving and maintaining existing code. The role combines software development, technical design, integration and operational ownership.

You will work on Yutraffic Symphony, our next-generation platform for urban traffic control and mobility management. The platform helps cities monitor, manage and optimize traffic across cloud and on-premises environments.

What will be your responsibilities?

Build the backend behind smarter urban mobility

• Develop data-driven software for road traffic control and traffic management.

• Design, implement and operate microservice architectures across cloud and on-premises environments.

• Work primarily with Java, protocols, data formats and APIs.

• Analyse requirements, shape technical concepts and support customer projects.

• Contribute to lifecycle management, monitoring, incident management and continuous improvement.

• Deliver new features and resolve production defects and security vulnerabilities.

What do you need to qualify for the role?

• Very good Java skills.

• A degree in computer science, IT, engineering or a comparable qualification.

• Very good knowledge of microservice design, containerization with Docker, and orchestration with Kubernetes.

• Experience with relational and NoSQL databases.

• Experience with message brokers or streaming technologies such as Kafka or Flink.

• You can communicate in English (you'll be working with colleagues from abroad on a daily basis)

We would appreciate it if you also have the following:

• Experience with AI-assisted or agentic development tools such asClaude Code, GitHub Copilot or similar
• Python, JavaScript/TypeScript or C++.
• GitLab CI, Nexus, Terraform and CI/CD experience.
• AWS, Azure or GCP and hybrid operating models.
• TDD, automated testing, code reviews, refactoring and security best practices.
• Good knowledge of XML, JSON, ASN.1, and SOAP/REST APIs. Experience with asynchronous message processing, such as MQTT is an advantage.
• GIS, map services or traffic-related data models.

With joining us, among other things, you will get:

• Working on products that have a significant impact on people's daily lives.

• Up to 33 days of vacation.

• Working hours as you organize them (you should always be on call between 10 am and 2 pm).

• The opportunity to work from home for a better work-life balance

• Our company offers a flexible benefits plan through an online cafeteria system

Where can you find us? In our modern offices just a short walk from the Zvonařka bus station on Škrobárenská Street.

How do you apply?

We can only accept online applications.

About Us:

We are a global leader in intelligent transport systems with more than 3,500 passionate employees who pioneer, develop, create, install and maintain innovative road traffic and mobility solutions all over the world. We make our roads smarter, safer and greener. The work we do enables cities, highways authorities and infrastructure operators to create a new world of mobility and makes cities more livable for everyone. Our solutions range from traffic lights, tolling solutions and tunnel management to software, AI applications and the intelligent networking of all road users.

Our Commitment:

At Yunex Traffic, the uniqueness of our people is our strength. Our people are at the heart of what we do and every voice, perspective and contribution is valued. The future of mobility needs people who think down different tracks and we empower our people to transform cities all over the world. Join us and make a difference too.

See what we look like on our community website.

Follow the latest news from our company on our LinkedIn profile.

How do our colleagues see us? Check out their reviews on Atmoskop.

Become a Traffic Transformer and help us to continue transforming towns and cities all over the world.

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