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Shubham J.

Senior Software Engineer @ Paytm | Building Scalable Payment Solutions | JAVA | Golang | Springboot | NIT SURAT’23

India

4+ years of work experience

Paytm
May 20264 mosPresent

Paytm
Oct 20241 yr 11 mosPresent

•Designed and implemented large-scale IOCL (XtraPower & XtraRewards) integration, enabling seamless digital payments and loyalty tracking across 15,000+ fuel outlets, handling ₹5Cr+ daily GMV. •Led zero-downtime service migration across infrastructure layers (DB, Vault, connection pooling), executing phased rollout using Nginx routing; ensured 100% transaction consistency during transition. •Built and scaled Node.js microservices powering brand EMI solutions for 75+ partners, ensuring high availability and fault-tolerant transaction processing. •Delivered end-to-end merchant integrations (HPCL, IOCL, Croma, A2B), implementing transaction ingestion, validation pipelines, and real-time payment status handling. •Enhanced backend performance and scalability using Redis caching, Kafka-based async processing, and MySQL optimizations, improving system throughput for high-volume payment flows. •Contributed to core payment systems including UPI, EDC QR generation, and card transactions, strengthening reliability in high-throughput distributed systems. •Improved observability and debugging using ELK stack (ElasticSearch, Logstash, Kibana), enabling faster incident resolution and system monitoring. •Drove architecture design (HLDs) and technical reviews, identifying design gaps early and reducing rework through structured planning. •Increased engineering productivity by leveraging AI tools for test generation and documentation, reducing test prep time by 40–50% while improving coverage. •Collaborated cross-functionally with product, infra, and partner teams to deliver scalable, production-grade payment solutions.
Brane Enterprises Pvt Ltd
Jun 20231 yr 5 mosOct 2024

Bengaluru, Karnataka, India

•Designed several REST API’s using JAVA, Springboot and reduced data retrieval time for high-traffic REST APIs resulted in significant reduction of response time . • Led Keycloak integrations with the backend team, developing 15+ Spring Boot APIs, ensuring they met client requirements for OAuth authentication • Developed Automation Framework with Parallel Device testing capabilities for Mobile and Web team using Emulator and web Docker Images which reduced test time by more than 50% • Engineered framework for scanning major Docker images and Java codebases for vulnerabilities, which reduced password leaks and exposure of sensitive data. • Utilized Jenkins CI/CD to provide continuous notification services for common microservices post-build, ensuring timely updates and smooth integration of changes
Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat
Jun 20221 yrMay 2023

Coordinated with More than 10+ Companies to conduct In-campus Placement Drive including Amazon , Mastercard , Reliance etc.
Prisys Infotech Pvt Limited
May 20222 mosJun 2022

Jaipur, Rajasthan, India

• Designed React based WebApp for company webite using Nodejs , express. • Worked on implementation of WEB Automation framework using CYPRESS .

Shubham’s AI Stack

antigravity
antigravity
codex
codex

Education

Sardar Vallabhbhai National Institute of Technology, Surat

Bachelor of Technology - BTech

Sardar Vallabhbhai National Institute of Technology, Surat

20194 yrs2023

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Headline

Senior Software Engineer @ Paytm | Building Scalable Payment Solutions | JAVA | Golang | Springboot | NIT SURAT’23

About

Hello! I'm Shubham Jain. I am Senior Software engineer specialising in Java ,Node.js , golang , SpringBoot , Microservices based scalable software solutions. With a degree from SVNIT, I apply a deep technical understanding to craft robust, high-performance systems. Backend Software Engineer with 3+ years of experience in Java and distributed systems, specializing in building scalable microservices, designing robust systems, and delivering high-performance payment and transactional platforms 🛠️ TECHNICAL SKILLS Java | Node.js| Spring Boot | Microservices | Golanf | C++ | MongoDB | REST APIs | CI/CD | Docker | AWS | Design Patterns 🌐 CONNECT WITH ME 📧 [shubhamjain.272001@gmail.com] Passionate about solving complex problems, I am constantly learning and implementing cutting-edge technologies to drive impactful solutions. Let's connect and innovate together!

Location

India

AI stack

antigravity

codex

Work experience

Senior Software Engineer at Paytm, May 2026 - Present · 4 mos

Software Engineer at Paytm, Oct 2024 - Present · 1 yr 11 mos, •Designed and implemented large-scale IOCL (XtraPower & XtraRewards) integration, enabling seamless digital payments and loyalty tracking across 15,000+ fuel outlets, handling ₹5Cr+ daily GMV. •Led zero-downtime service migration across infrastructure layers (DB, Vault, connection pooling), executing phased rollout using Nginx routing; ensured 100% transaction consistency during transition. •Built and scaled Node.js microservices powering brand EMI solutions for 75+ partners, ensuring high availability and fault-tolerant transaction processing. •Delivered end-to-end merchant integrations (HPCL, IOCL, Croma, A2B), implementing transaction ingestion, validation pipelines, and real-time payment status handling. •Enhanced backend performance and scalability using Redis caching, Kafka-based async processing, and MySQL optimizations, improving system throughput for high-volume payment flows. •Contributed to core payment systems including UPI, EDC QR generation, and card transactions, strengthening reliability in high-throughput distributed systems. •Improved observability and debugging using ELK stack (ElasticSearch, Logstash, Kibana), enabling faster incident resolution and system monitoring. •Drove architecture design (HLDs) and technical reviews, identifying design gaps early and reducing rework through structured planning. •Increased engineering productivity by leveraging AI tools for test generation and documentation, reducing test prep time by 40–50% while improving coverage. •Collaborated cross-functionally with product, infra, and partner teams to deliver scalable, production-grade payment solutions.

Software Engineer at Brane Enterprises Pvt Ltd, Jun 2023 - Oct 2024 · 1 yr 5 mos, Bengaluru, Karnataka, India, •Designed several REST API’s using JAVA, Springboot and reduced data retrieval time for high-traffic REST APIs resulted in significant reduction of response time . • Led Keycloak integrations with the backend team, developing 15+ Spring Boot APIs, ensuring they met client requirements for OAuth authentication • Developed Automation Framework with Parallel Device testing capabilities for Mobile and Web team using Emulator and web Docker Images which reduced test time by more than 50% • Engineered framework for scanning major Docker images and Java codebases for vulnerabilities, which reduced password leaks and exposure of sensitive data. • Utilized Jenkins CI/CD to provide continuous notification services for common microservices post-build, ensuring timely updates and smooth integration of changes

Training and Placement Coordinator at Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat, Jun 2022 - May 2023 · 1 yr, Coordinated with More than 10+ Companies to conduct In-campus Placement Drive including Amazon , Mastercard , Reliance etc.

Software Intern at Prisys Infotech Pvt Limited, May 2022 - Jun 2022 · 2 mos, Jaipur, Rajasthan, India, • Designed React based WebApp for company webite using Nodejs , express. • Worked on implementation of WEB Automation framework using CYPRESS .

Education

Bachelor of Technology - BTech, Sardar Vallabhbhai National Institute of Technology, Surat