Back End Developer

Empower Global Aviation Innovation — Build the Future of Data Systems! Lisbon-based opportunity with hybrid work model (up to 3 days remote). As a Senior Backend Engineer, you will be working for our client, a leader in aviation data systems, delivering scalable and high-performance Java-based solutions to process real-time global aviation data. Join a forward-thinking team shaping the future of aviation technology and operations. Your main responsibilities: Architect and develop scalable, Java-based backend systems for real-time data processing in the aviation industry.Solve complex challenges related to algorithms, system performance, and database optimization.Build and scale data pipelines using MySQL, MongoDB, Redis, and Kafka.Implement best practices for software architecture, code quality, and cybersecurity.Deploy and manage applications within a Linux environment.Collaborate with cross-functional teams to seamlessly integrate distributed services. You're ideal for this role if you have: At least 5 years of experience in backend software development.Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.Strong expertise in Java and its ecosystem.Hands-on experience with Linux, SQL/NoSQL databases, and message brokers.Excellent problem-solving skills focused on algorithms and system performance.Fluent English for technical communication with U.S. clients.Self-driven attitude with the ability to manage multiple priorities and adapt quickly to new technologies. It is a strong plus if you have: Knowledge of Portuguese language skills.Experience working in aviation or data-intensive industries. Language Required for the role: English (Communicative proficiency)Portuguese (Good command preferred) Eligibility for the role: Only candidates with an existing legal right to work in Europe will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.