Java Engineer

Java Engineer - PAYMENT SOLUTIONSRemote (EU) | Full-time B2B | €260-340/day THE OPPORTUNITYJoin a cutting-edge fintech company revolutionizing payment processing across Europe. We're building the next generation of payment infrastructure. This is your chance to work on high-impact systems that process millions of transactions daily.As our Java Engineer, you'll be at the forefront of payment innovation, designing and building scalable microservices that power real-world commerce. WHAT YOU'LL DOShape the Future of Payments• Design and develop secure, robust payment gateway integrations with leading providers• Build innovative payment solutions for specialized industries (petrol stations, retail, and beyond)• Create scalable RESTful APIs that handle high-volume transaction processingDrive Technical Excellence• Architect and maintain microservices using Java, Spring Boot, and modern cloud technologies• Implement event-driven architectures with RabbitMQ for real-time payment processing• Deploy and orchestrate services on Kubernetes for maximum reliability and scale• Leverage Protobuf for efficient inter-service communication• Build data pipelines and analytics infrastructure to unlock business insightsCollaborate Across Teams• Work directly with product and business teams to translate requirements into elegant technical solutions• Participate in agile ceremonies and contribute to continuous improvement• Ensure code quality through comprehensive testing (JUnit, Mockito) and DevOps best practices WHAT WE'RE LOOKING FORMust-Have Experience:✓ Strong backend development skills with Java and Spring Boot✓ Solid understanding of database design and RESTful API architecture✓ Hands-on experience with Kubernetes and containerized applications✓ Experience with message queuing systems (RabbitMQ or similar)✓ Proficiency with Protobuf for microservices communication✓ Testing mindset with JUnit and Mockito✓ Experience building analytics, reports, or working with Data Lakes✓ Agile development and DevOps practices✓ Fluent English communication skills✓ EU residency and B2B work eligibilityNice-to-Have: Previous experience with payment systems, gateways, or fintech platforms Exposure to PCI-DSS compliance and financial data security COMPENSATION & BENEFITSDaily Rate: €260-340 EUR/day (based on experience)• Competitive rates reflecting your expertise• Long-term engagement with stable work• Fully remote• Collaborate with a talented international team• Continuous learning and exposure to cutting-edge fintech technologies SIMPLE HIRING PROCESSWe respect your time. Our process is straightforward: Technical interview with Softup Technologies (30-45 min) Technical interview with the client team (45-60 min)That's it. No lengthy assignments, no endless rounds.Send us:• Your resume/CV• Your earliest available start date
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