Architected and developed mission-critical digital banking systems serving retail and business customers. Led the migration from monolithic architecture to microservices, introducing event-driven communication using Kafka. Designed and implemented high-load transactional services ensuring data consistency, fault tolerance, and scalability. Built and optimized RESTful APIs for mobile banking, internet banking, and lending platforms. Implemented resilience patterns (retry, idempotency, circuit breaker) to improve system reliability. Introduced containerization (Docker) and Kubernetes orchestration to streamline deployment and scalability. Collaborated with cross-functional teams (frontend, mobile, product, QA) to deliver secure fintech solutions in regulated environments. Mentored backend engineers and led multiple engineering teams while remaining hands-on in system design and architecture decisions. Improved development workflows through CI/CD and DevOps practices, increasing release predictability and stability.

Developed and maintained enterprise banking applications and integrations using IBM Integration Bus, IBM BPM, and Oracle JDeveloper. Designed and implemented complex system integrations between core banking and external government/payment systems. Integrated with the Central Bank of Azerbaijan (APUS system), improving transaction processing efficiency and regulatory compliance. Implemented integration with ASAN services, enhancing secure customer authentication and onboarding processes. Contributed to the development of mobile and internet banking platforms, expanding digital customer channels. Designed and built an SMS communication gateway with external providers, improving message delivery reliability and monitoring. Automated tax order processing integration with the Ministry of Taxes, reducing manual workload and improving operational accuracy. Implemented integration with AzeriCard payment processing system, ensuring seamless card transaction handling.

Core member of the team responsible for developing internal banking applications and extending the Temenos T24 core banking system. Designed and developed client-side modules in Delphi to process and transform large-scale Data Warehouse (Oracle) datasets. Built automated reporting systems based on DWH data, significantly improving reporting accuracy and operational efficiency. Participated in the implementation of IBM Integration Bus, contributing to system integration and reliable inter-system data exchange. Worked closely with business and operations teams to translate banking requirements into technical solutions.