SHIVAM HATWAR

Senior Backend Software Engineer | Fraud & Payment Systems Specialist
Pune, IN.

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

Pine Labs
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Senior Software Engineer

Pune, Maharashtra, India

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%.

Capgemini Technology Services
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Associate Consultant

Mumbai, Maharashtra, India

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.

Capgemini Technology Services
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Software Engineer Intern

Pune, Maharashtra, India

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.

Education

Pimpri Chinchwad College of Engineering, Pune
Pune, Maharashtra, India

Bachelor of Engineering

Engineering

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.

Projects

Credit Card and Transaction Management System

Summary

Led the migration and re-platforming of a critical card processing system, impacting millions of users and integrating advanced security and access management solutions.

Direct Benefit Transfer System

Summary

Developed and integrated a robust system to facilitate direct transfers of rewards and refunds, ensuring real-time transaction tracking and streamlined issue resolution.