About
Highly accomplished Senior Backend Software Engineer with 4.5+ years of experience specializing in Java, Spring Boot, and Microservices, driving the design and development of high-throughput, real-time systems. Proven leader in building scalable fraud risk management and payment solutions that process billions in transactions, significantly enhancing operational efficiency and security for enterprise clients. Seeking challenging full-time Backend Developer roles to leverage expertise in distributed systems, architectural ownership, and team mentorship.
Work
Pune, Maharashtra, India
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Summary
Led an 8-member engineering team in the design and development of real-time fraud risk management and payment checkout systems, ensuring high-volume transaction processing and seamless financial operations for enterprise clients.
Highlights
Led an 8-member engineering team in the design and development of a real-time Fraud Risk Management (FRM) system, now in production for enterprise clients, utilizing Apache Pulsar and Apache Pinot for high-throughput streaming and sub-second analytics.
Delivered a robust FRM system capable of 250 transactions per second (TPS) throughput, providing real-time fraud detection during authorization and settlement phases for ECOM, POS, and various card transactions.
Designed and implemented a sophisticated rule-based pattern matching engine, leveraging historical and live transaction data to trigger immediate fraud alerts and enhance security protocols.
Spearheaded critical enhancements and resolved bugs for a pivotal Payout application, efficiently managing transaction volumes exceeding 250 crore Indian Rupees per quarter, ensuring seamless financial operations.
Developed and deployed a highly scalable proxy application certified for handling 400 transactions per second (TPS), effectively redirecting users to client systems for specific actions.
Pioneered the development of a custom annotation for data logging, significantly reducing debugging time by 50% and decreasing application monitoring efforts by 25%.
Mumbai, Maharashtra, India
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Summary
Contributed to the full software development lifecycle for a new litigation management application and critical card processing systems, from requirement gathering to deployment and security vulnerability remediation.
Highlights
Developed and released a new litigation record management application, including building a REST API in Java 11 to facilitate data exchange with the front-end.
Executed successful migration of applications from on-premise servers to the AWS cloud platform, enhancing scalability and reliability.
Performed DAST and SAST scans to identify and remediate code vulnerabilities, ensuring robust application security.
Engaged with business users to analyze requirements and participated in all phases of the project lifecycle, including study, design, development, deployment, and testing.
Pune, Maharashtra, India
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Summary
Completed foundational training in full-stack Java and Angular, applying learned concepts to develop and demonstrate practical capabilities through Proof-of-Concepts.
Highlights
Attended comprehensive training courses to build a strong understanding of Java full-stack development and Angular framework.
Developed and presented 3 Proof-of-Concepts (POCs) to demonstrate proficiency in new technical skills and practical application.
Skills
Programming Languages & Frameworks
Java, Spring Boot, Microservices, OOPS, Angular.
Databases & Caching
SQL, Redis, Apache Pinot.
Testing & Tools
Junit, DAST, SAST, Apache NiFi, Apache Pulsar, Keycloak.
Cloud & DevOps
AWS.
Core Concepts
Data Structures and Algorithms, REST API, SSO, MFA, SDK Integration.