Java Developer

Reference: JN -022026-73383_1781766532

As a Senior Java Developer, you will be responsible for designing, developing, and maintaining robust backend services that power mission-critical financial systems. You will work closely with cross-functional teams to deliver secure, high-performance, and scalable solutions that support large-scale transaction processing.

Key Responsibilities

  • Design, develop, and maintain high-performance Java-based backend systems using Spring / Spring Boot
  • Build and optimize services for high-volume transaction processing environments
  • Collaborate with architects and product teams to translate business requirements into technical solutions
  • Ensure system reliability, scalability, and low-latency performance in production environments
  • Implement secure coding practices aligned with financial services compliance standards
  • Troubleshoot and resolve complex production issues in distributed systems
  • Contribute to code reviews, mentoring, and improving engineering best practices
  • Integrate with payment gateways, banking systems, and third-party financial APIs
  • Participate in system design discussions and architectural decisions

Required Experience & Skills

  • Strong experience with Java (8+) and Spring Framework / Spring Boot
  • Proven background in payments, fintech, banking, or financial services
  • Experience working in high-throughput, transaction-heavy systems
  • Strong understanding of RESTful APIs and microservices architecture
  • Familiarity with distributed systems, messaging queues (e.g., Kafka/RabbitMQ)
  • Experience with SQL/NoSQL databases
  • Solid understanding of system performance tuning and scalability
  • Strong problem-solving and debugging skills

Nice to Have

  • Experience with cloud platforms (AWS, Azure, or GCP)
  • Knowledge of containerization (Docker, Kubernetes)
  • Exposure to DevOps practices and CI/CD pipelines
  • Understanding of PCI-DSS or financial compliance standards
COMPETITIVE SALARY

Stellenbosch

Contract

Added 18/06/2026
Reference: JN -022026-73383_1781766532

Java Developer

Stellenbosch
Contract

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