Vigneshkumar Vignesh Rajasekar
Senior Software Engineer @Gan
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WORK HISTORY
Senior Software Engineer @Gan
London, GB
Architected Integration Backoffice (IBO) platform from scratch using Spring Boot (Java 21), ReactJS, and Cassandra, centralized game configuration across 30+ operator platforms, reducing configuration errors by 70% and cutting operator onboarding from 6 weeks to 4 days Eliminated 35+ hours monthly downtime by engineering real-time synchronization framework with RabbitMQ message broker, reduced configuration propagation time from 6 hours (manual) to 2 minutes (automated) Achieved 100% regulatory compliance for 15+ Italian gaming partners (up from 85%) through Critical Files API with high-availability REST endpoints, 99.95% asset distribution reliability while reducing support tickets by 60%
EDUCATION
Coimbatore Institute of Engineering and Technology (Official Page)
Bachelor's degree, Computer Science
ABOUT VIGNESHKUMAR VIGNESH RAJASEKAR
I turn complex business problems into elegant, scalable microservices.Over 12 years, I\'ve architected solutions that handle millions of transactions across supply chain and gaming platforms, where downtime isn\'t an option and performance is everything. At present, I am building mission-critical platforms at GAN (iGaming) and Softeon (Supply Chain). Serving 150K+ concurrent players and processing millions of warehouse transactions daily.A few Challenges I faced:→ Cache inconsistencies causing 35+ hours monthly downtime.→ Manual processes burning $1.8M annually.→ Systems choking at scale: 1200 transactions/minute when you need Approach?→ Building Microservices that scale.→ Real-time synchronization frameworks.→ REST APIs that replace legacy SOAP nightmares.→ Multi-threaded processing that handles 1M+ daily files without breaking a sweat.I\'m a results-oriented professional who strongly believes in improving work efficiency and delivering outcomes that matter.Real Impact:99.95% uptime – Eliminated 35+ hours monthly downtime through RabbitMQ-based real-time sync4.5x throughput – Modernized systems from 1200 to transactions/minute$5.7M saved annually – Automated inventory reconciliation and eliminated overtime costs100% compliance – Italian gaming regulatory adherence (improved from 82%)6 weeks → 5 days – Operator onboarding acceleration through centralized configurationMy Tech DNA comprises of Java 21 | Spring Boot | Microservices | AWS | SQL | RabbitMQ | Cassandra | Oracle | REST APIs | Docker | Kubernetes | System DesignWhile deeply focused on building robust, cloud-native solutions, I am always pushing for cleaner code, faster systems and happier customers. I am seeking technical leadership opportunities where architecture meets impact.Feel free to DM me to chat about Java architecture, microservices design patterns, or your next technical challenge.
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