Build, maintain, and scale payment processing services using Java (Spring Boot)
Design RESTful APIs and asynchronous services used by merchants and internal tools
Work closely with Product, DevOps, and Frontend teams to deliver features end-to-end
Implement systems that ensure high availability, fault tolerance, and data integrity
Write unit, integration, and performance tests
Participate in system architecture discussions, code reviews, and technical planning
Monitor, debug, and optimise backend systems in production

Have 8+ years of backend development experience with JAVA (SpringBoot)
Have a deep understanding of microservices architecture, message queues (Kafka, RabbitMQ), and relational databases (MySQL,PostgreSQL)
Are experienced with payment processing, settlement systems, or bank integrations
Have a strong focus on clean code, design patterns, and scalable system design
Are familiar with cloud services (AWS, GCP, or Azure), CI/CD pipelines, and monitoring tools
Have prior exposure to containerization (Docker) and orchestration (Kubernetes) is a plus
Are fluent in English, both written and spoken

Bonus Points if you are:

Knowledgeable of PCI-DSS or other compliance requirements in financial systems
Experienced with internationalisation and currency conversions
Familiar with distributed tracing and observability tools (Grafana, Prometheus, etc.)

Senior Backend Developer

Key skills