Senior Java Developer with Kafka (Aviation Industry)

About Atos

Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos is a SE (Societas Europaea) and listed on Euronext Paris.

The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

Join as a Senior Java Developer with Kafka!

You will have an opportunity to become a part of the delivery team for one of our key Customers in the Airspace Industry, dealing with Air Traffic Management, Flight planning and Air Traffic Control capacity planning.

Our Customer has embarked on the multi-year journey of IT landscape modernisation to increase efficiency of the European Air Traffic Management systems under the most critical programme in European public sector area.

Working as a part of the team you will be engaged in the delivery of cutting-edge IT systems supporting pan-European aviation and shaping the future of European Air Traffic Management.

Join us on this multi-year journey to reshape the European Skies!

Key Responsibilities:

• Software Development: Design and develop high-performance, scalable applications using Java and Quarkus, ensuring that code is maintainable, efficient, and aligned with best practices. 
• Database Optimization: Architect and optimize MongoDB and PostgreSQL schemas, queries, and indexing strategies to achieve high performance and scalability.
• Microservices & Messaging: Develop and scale microservices using Kafka for messaging, integrating with the ELK stack for logging, monitoring, and troubleshooting.
• Performance Engineering: Identify, analyze, and optimize system performance bottlenecks in both code and infrastructure. Ensure optimal performance through rigorous profiling, testing, and fine-tuning.
• DevOps: Expertise with DevOps and CI/CD principles, use pipelines with Jenkins, SonarQube, and Nexus, focusing on security, automation, and deployment efficiency.
• Security: Implement secure coding practices throughout the development lifecycle.
• Mentorship: Provide guidance to junior developers, sharing knowledge and fostering a culture of continuous improvement.
• Stakeholder Interaction: Work closely with product owners, architects, and other stakeholders to understand requirements, provide technical insights, and deliver effective solutions.
• End-to-End Ownership: Take full ownership of tasks from analysis through design to implementation and deployment. Be proactive in driving solutions independently, ensuring high-quality and timely delivery. 

Requirements:

• Proven experience with Java, Maven and Quarkus/Spring in building large-scale applications.
• Strong experience with Git, ideally Bitbucket
• Strong background in MongoDB and PostgreSQL, with a focus on optimizing data access and ensuring scalability.
• Expertise in Kafka for building event-driven systems and integrating with the ELK stack for monitoring and troubleshooting.
• Deep understanding of performance optimization and profiling techniques for both code and database layers.
• Strong experience with Docker, Kubernetes, Jenkins, SonarQube, and Nexus for DevOps and CI/CD pipelines.
• Ability to implement security best practices, including secure coding, vulnerability management, and compliance.
• Excellent soft skills, including the ability to analyze requirements, communicate effectively with cross-functional teams, and take initiative to drive tasks to completion.
• Solid experience in Agile methodologies with a focus on delivering high-quality software in iterative cycles.
• A proactive and independent mindset, with the ability to work with minimal supervision and take full responsibility for end-to-end delivery.
• Exposure to performance profiling tools and security tools (e.g., Snyk, OWASP) 

What’s in it for you?

• Courses and certifications e.g. Google Cloud, AWS, ITIL
• Wellbeing programs & work-life balance - integration and passion sharing events
• Private medical and dental care
• Benefits platform – shopping, cinema, sport etc.
• Co-funding of sport activities, e.g. Multisport & OK system cards, b-active program
• Conferences and Expert Communities
• Gift packages for special occasions: Easter, Christmas, Children’s Day
• Appreciation for seniority: additional days off, Atos Jubilee gifts
• Charity and eco initiatives
• Hybrid mode of work (max. 2 times per month in the office based on your location)

What happens next?

• Quick conversation with HR
• Interview with a Manager/IT expert/project representative
• Work like you want: remotely, in hybrid mode or at our office

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