Roshaan Ahmed

I’m a Senior Software Engineer with 4+ years delivering enterprise-grade backend systems and B2B FinTech integrations for top-tier banking institutions, including Habib Bank Limited. I focus on building reliable, low-latency payment platforms that meet strict SLAs.

I’ve architected end-to-end integrations across REST, Host-to-Host, and file-based channels, and I’ve built high-throughput payment pipelines for ATM/POS, SWIFT, and RTGS. With ISO 8583 and ISO 20022 standards at the core, I’ve delivered systems processing 200K+ daily transactions and achieved 120+ TPS through JVM tuning, database optimization, and connection pool management.

Operational excellence matters to me: I’ve reduced end-to-end latency to sub-2-second SLA, improved transaction accuracy with a 40% reduction in errors via robust validation and exception handling, and cut onboarding time by 50% through automated event-driven workflows. I lead architecture reviews and API governance, enforcing SOLID principles, REST best practices, and enterprise security standards such as token authentication and encryption.

I deploy and manage containerized services using Docker, Kubernetes, and OpenShift on cloud platforms like AWS, while continuously improving CI/CD with Jenkins and GitHub Actions. From SIT/UAT and mock runs to hyper-care, I coordinate zero-defect go-lives—and I mentor 3–5 junior engineers to raise team capability through code reviews and workshops.