Senior Principal Java Developer

We are looking for a Senior Principal Java Backend Developer to join a mission-critical backend platform operating at enterprise scale. The role is focused on hands-on backend development within a high-volume, production-critical fintech environment, with additional responsibility for mentoring engineers and supporting technical alignment across the team. The work involves building and maintaining core services supporting transaction processing, financial reporting, and merchant-facing functionality under strict security, availability, and performance requirements.
Responsibilities

• Design, develop, and maintain backend services using Java 17+
• Build scalable microservices supporting high transaction volumesand real-time processing
• Integrate backend services with Oracle databases, internalfinancial systems, and external APIs
• Ensure security, performance, and reliability aligned with fintechstandards
• Collaborate closely with product managers, architects, and analysts
• Contribute to architectural decisions and platform modernisation
• Support production deployments, monitoring, and troubleshooting
• Mentor junior engineers and raise engineering standards
• Participate activelyin code reviews and quality initiatives

Requirements

• Minimum 5 years of commercial Java backend experience
• Strong expertise with Java 17+
• Hands-on experience with Oracle, SQL, and PL/SQL
• Solid experience with microservices and REST APIs
• Strong understanding of clean architecture and design patterns
• Experience working in Agile delivery teams
• High ownership mindsetand strong communication skills Nice to have
• Experience in fintech, payments, or bankingenvironments
• Exposure to CI/CD, DevOps, and containerisedenvironments
• Previous technicalleadership or Team Lead experience

Benefits

• Solid, competitive salary
• Work in multinational environment on international projects
• Comprehensive healthcare
• Long-term B2B contract with stable project pipeline
• Hybrid work model