Rajiv Suntharraj

Software Engineer with 11+ years of experience designing and building scalable, distributed, and event-driven systems. Expertise in microservices architecture, Apache Kafka, and high-performance backend services, with a strong focus on reliability, scalability, and production-grade system design. 11+ years of experience in backend development across Logistics, Finance, and Healthcare domains. Strong expertise in Java, Spring Boot, Microservices, Kafka, and distributed system design.

Proven experience handling millions of shipment events per day using event-driven architecture. Expertise in designing scalable, fault-tolerant, and high-availability systems using Docker and Kubernetes. Strong experience in MongoDB multi-tenant architecture and performance optimization.

Hands-on experience in CI/CD pipelines using GitHub Actions. Strong debugging, performance tuning, and system design capabilities.

Software Engineer (Backend) at Project44 Software Services Pvt Ltd (2021-12 – 2026-01)

• Designed and developed scalable microservices (Spring Boot) for Yard Management System (YMS), enabling efficient management of yard operations and shipment lifecycle
• Architected and optimized Apache Kafka-based event processing to handle millions of events per day, ensuring high throughput and minimal consumer lag
• Developed and optimized RESTful APIs for shipment lifecycle, dock scheduling, and real-time tracking, improving system responsiveness
• Implemented multi-tenant architecture using MongoDB, ensuring data isolation and scalability across multiple clients
• Containerized applications using Docker and deployed on Kubernetes, enabling auto-scaling, high availability, and zero-downtime deployments
• Improved system throughput and reduced latency through performance tuning, efficient query design, and asynchronous processing

Software Engineer (Backend) at Mind Logic Systems Pvt Ltd (2020-06 – 2021-12)

• Designed and developed backend services using Java Spring Boot for a logistics platform, enabling scalable and modular system architecture
• Implemented Apache Kafka for asynchronous communication, improving system decoupling and handling high-volume event processing
• Optimized database queries and API performance, reducing response time and improving system efficiency
• Designed and implemented highly scalable microservices architecture to handle millions of events per day, ensuring system reliability and performance under heavy load
• Reduced API response time by 40% by optimizing database queries, caching strategies, and improving service-layer logic
• Improved Apache Kafka processing efficiency by optimizing consumer configurations, batch processing, and partition handling, significantly reducing consumer lag
• Led production performance tuning and stability improvements, resolving bottlenecks and reducing system downtime in high-throughput environments
• Developed RESTful APIs for core logistics workflows, ensuring reliable data processing and integration with downstream systems
• Improved system reliability through efficient error handling, retry mechanisms, and logging strategies

Software Engineer (Backend) at XM Software Solutions Pvt Ltd (2016-09 – 2020-06)

• Designed and developed financial transaction processing systems ensuring secure and reliable cross-border remittance workflows
• Built secure REST APIs for remittance processing and reporting, implementing authentication and data validation mechanisms
• Ensured data consistency and integrity across distributed systems using transactional handling and idempotent processing
• Implemented audit logging and tracking mechanisms to support compliance and traceability of financial transactions
• Integrated with external systems for payment processing and reporting workflows

Associate Software Engineer at Bambeeq Solution Pvt Ltd (2014-04 – 2016-09)

• Developed backend modules for Hospital Management System (HMS) covering patient management, billing, and reporting workflows
• Designed and implemented RESTful APIs for patient registration, billing transactions, and report generation
• Built and optimized database models and queries, improving data retrieval and system performance
• Ensured data accuracy and consistency across patient and billing records
• Collaborated with cross-functional teams to deliver scalable and maintainable healthcare modules

MSc in IT in Information Technology – Naina mohamed college of arts and science (2013-05 – 2013-06)

BCom in Commerce – H.H The Rajah's College (Autonomous Accredited B+) (2007-06 – 2010-05)