Senior Java Developer

Summary

Location: Dortmund, Germany (Hybrid) OR Cluj, Romania (Hybrid)

Daily Rate: Negotiable based on Experience

Duration: 12 Months

Availability: ASAP

About the Client

My client is the air transport industry's IT provider, delivering solutions for airlines, airports, aircraft, and governments. Their technology powers more seamless, safe, and sustainable air travel.

They are looking to hire a Senior Java Developer on a contract basis for 12 months, to support the continued development of Baggage self-drop solutions for Airports.

About the Role Job Summary:

As a Senior Java Developer, you will not only bring expertise in Java development and software delivery but also play an essential role in driving transformation and innovation. In this role, you will design, develop, and maintain complex systems while fostering a culture of technical excellence and innovation.

Your engagement will ensure the delivery of high-quality solutions aligned with strategic business priorities such as platform modernization, intelligent automation, and accelerated time-to-market. You will work closely with cross-functional stakeholders, mentor developers, and ensure your team remains at the forefront of evolving technologies and development practices.

Key Responsibilities:

• Design, development, and deployment of a robust Java-based CUSS platform, the central part of our baggage self-drop-off kiosks.

• Bringing our existing CUSS platform to the new CUSS 2 standard.

• Work out best practices and technical excellence together with a team.

• Ensure high quality and performance of software through effective code reviews, testing, and debugging.

• Contribute to and improve coding standards, guidelines, and development processes.

• Ensure timely delivery of fixes.

• Estimate work efforts.

• Explore and recommend emerging tools and frameworks that support innovation and efficiency.

• Promote a culture of experimentation and learning within the engineering team.

What we are looking for

Required Skills & Experience:

• You are a team player who works out solutions collaboratively with the team, with a strong mindset of continuous improvement.

• Deep expertise in Java development with strong knowledge in API integration, with at least six years.

• Solid experience with object-oriented design, design patterns, and software architecture.

• Advanced knowledge of source control and version management using Git.

• Familiarity with networking concepts and security in service-oriented environments.

• Proven experience using AI-powered tools and frameworks to enhance development productivity and automate repetitive tasks.

• Strong innovation mindset, introducing new tools, frameworks, or practices that resulted in measurable improvements in team velocity or product quality.

• Comfortable navigating complex technical challenges by applying experimental thinking and continuous learning to deliver effective solutions.

• Ability to collaborate across functions, working closely with product owners, architects, and QA to align on shared business outcomes.

Desirable Skills:

• Experience with message brokers (RabbitMQ).

• Experience with agile development practices and especially the Kanban method.