Rajmohan Shekhawat
Senior Software Engineer @Zeller
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WORK HISTORY
Senior Software Engineer @Zeller
AU
Handling card payment processing and payment gateway integrations for the UK market.
EDUCATION
Arya College of Engineering
Bachelor of Technology - BTech, Computer Science
ABOUT RAJMOHAN SHEKHAWAT
Backend Software Engineer passionate about building scalable systems and solving real-world engineering challenges.Currently working as a Senior Software Engineer at Zeller, a leading fintech unicorn in Australia, focusing on card payment processing and payment gateway integrations for the UK market. Handling Mastercard, Visa, UnionPay, and Amex Card Present (CP) & Card Not Present (CNP) transactions.Previously worked at AU Small Finance Bank, an Indian banking and financial services company, where I contributed to core banking platforms including Mobile Banking, UPI (Unified Payments Interface), BBPS (Bharat Bill Payment System), and NetBanking 2.0 built from scratch.I enjoy designing reliable backend systems, optimizing transaction flows, and building scalable event-driven architectures with a strong focus on performance, security, and system reliability. Currently exploring AI technologies and modern software engineering practices.Tech Stack: Java, Spring Boot, Spring Security, Hibernate, Microservices, Distributed Systems, AWS (Lambda, CloudFormation, VPC, EC2), Kafka, RabbitMQ, Kubernetes, Elasticsearch, PostgreSQL, MySQL, Redis, gRPC, WebSockets, Docker, CI/CD.
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