Experience Required: 14+ Years
Key Responsibilities• Architect and deliver secure, scalable, and fault-tolerant payment systems built on a cloud-native Java stack.• Define and maintain end-to-end architecture covering application, database, integration, and security layers for payment platforms.• Develop architectures supporting ISO 8583 message flows, real-time transaction processing, and high-performance APIs.• Design solutions that comply with PCI DSS, data encryption, and secure key management standards.• Optimize database performance for Postgre SQL/EDB, including indexing, tuning, and replication setups to support high-volume transaction loads.• Lead technical direction for modernization efforts (from monolithic legacy systems to microservices-based architectures).• Collaborate with business and product teams to ensure that the architecture aligns with payment domain requirements, including authorization, clearing, settlement, and dispute management.• Guide teams in application performance optimization, observability, and Dev Sec Ops adoption.• Evaluate new fintech and payment processing trends, tools, and technologies for continuous improvement.• Mentor teams and enforce engineering discipline consistent with industry best practices.
Required Skills and Competencies• Strong mastery of Java (Core, Spring Boot, Spring Cloud) and Microservices architecture.• Deep understanding of payment domain workflows – card issuing/acquiring, ISO 8583, switching, and real-time payment gateways.• Hands-on experience with Postgre SQL/EDB — schema design, query and indexing optimization, performance tuning, and HA configuration.• Expertise in Cloud-Native technologies (Docker, Kubernetes, Istio, Helm) and public cloud providers (AWS, GCP, Azure).• Proven track record in performance engineering and high-availability architecture across critical financial services systems.• Comprehensive knowledge of PCI DSS, security best practices, and regulatory compliance in payment environments.• Experience with Dev Ops and CI/CD pipelines (Jenkins, Git Lab CI, Terraform, Ansible).• Strong background in monitoring, observability, and audit readiness (Prometheus, Grafana, ELK).• Exceptional problem-solving, leadership, and communication skills with the ability to align cross-functional teams.