Sumit Tiwari profile photo 1 on Tal

Sumit Tiwari

BTech @NIT Trichy’24 | SDE @Flipkart | Java | Spring Boot | Backend & Distributed Systems

Bengaluru

2+ years of work experience

Flipkart
Mar 20267 mosPresent

Bengaluru

• Contributed to the design and development of Flipkart’s Seller Storefront-as-a-Service (SFAAS), a multi-tenant platform enabling 5,000+ sellers to launch personalized storefronts, orchestrating 7+ microservices and serving Flipkart’s 400M+ users. • Eliminated mandatory redeploys on config changes across 4 core microservices by doing end-to-end V1 to V2 config migration. • Took end-to-end ownership of migrating credentials/secrets from encrypted text Helm ConfigMaps to platform-managed runtime-injected secrets, achieving zero encrypted text secrets in Git repositories or deployment manifests. • Analyzed production issues, performed debugging and root-cause analysis, and collaborated with engineering teams to deliver reliable fixes while maintaining production stability.
HiveMinds
Jun 20241 yr 9 mosFeb 2026

Bengaluru

• Designed and developed end-to-end Spring Boot backend systems by integrating external APIs, implementing RESTful services, layered architecture, and centralized exception handling. • Implemented Spring Security with OAuth2 authentication, authorization, token validation, and AOP-based request logging for secure API access and auditing. • Built asynchronous background processing using Kafka with idempotent event handling, retries, and concurrency- safe consumers, improving API throughput by 30%. • Designed relational database schemas and optimized SQL using JPA/Hibernate, indexing, pagination, and Redis caching, improving query performance by 40%. • Developed a high-performance multithreaded ETL pipeline, reducing reporting and data processing time by 50%
NIT Trichy
Jun 20233 mosAug 2023

Tamil Nadu, India

During my internship at NIT Trichy, I contributed significantly to the backend and data team by developing APIs and managing data. My role involved implementing data manipulation algorithms, which improved the efficiency of data handling. I gained hands-on experience with technologies like Spring Boot and PostgreSQL, enhancing my technical skills in web development.
LeetCode
@tiwarisumit272181

Sumit’s AI Stack

claude code
claude code
claude
claude
cursor
cursor
gemini
gemini
github copilot
github copilot
lovable
lovable

Education

National Institute of Technology, Tiruchirappalli

Bachelor of Technology, Civil Engineering

National Institute of Technology, Tiruchirappalli

20204 yrs2024

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Headline

BTech @NIT Trichy’24 | SDE @Flipkart | Java | Spring Boot | Backend & Distributed Systems

About

I work with Java, Spring Boot, SQL, Redis, and distributed systems to build reliable and efficient backend solutions. I enjoy creating clean APIs, automating workflows, improving performance, and solving real engineering challenges. I’m continuously learning, experimenting, and refining how I build systems, with a strong focus on clarity, scalability, and impact.

Location

Bengaluru

AI stack

claude code

claude

cursor

gemini

github copilot

lovable

Work experience

SDE-Java(FTC) at Flipkart, Mar 2026 - Present · 7 mos, Bengaluru, • Contributed to the design and development of Flipkart’s Seller Storefront-as-a-Service (SFAAS), a multi-tenant platform enabling 5,000+ sellers to launch personalized storefronts, orchestrating 7+ microservices and serving Flipkart’s 400M+ users. • Eliminated mandatory redeploys on config changes across 4 core microservices by doing end-to-end V1 to V2 config migration. • Took end-to-end ownership of migrating credentials/secrets from encrypted text Helm ConfigMaps to platform-managed runtime-injected secrets, achieving zero encrypted text secrets in Git repositories or deployment manifests. • Analyzed production issues, performed debugging and root-cause analysis, and collaborated with engineering teams to deliver reliable fixes while maintaining production stability.

Software Engineer at HiveMinds, Jun 2024 - Feb 2026 · 1 yr 9 mos, Bengaluru, • Designed and developed end-to-end Spring Boot backend systems by integrating external APIs, implementing RESTful services, layered architecture, and centralized exception handling. • Implemented Spring Security with OAuth2 authentication, authorization, token validation, and AOP-based request logging for secure API access and auditing. • Built asynchronous background processing using Kafka with idempotent event handling, retries, and concurrency- safe consumers, improving API throughput by 30%. • Designed relational database schemas and optimized SQL using JPA/Hibernate, indexing, pagination, and Redis caching, improving query performance by 40%. • Developed a high-performance multithreaded ETL pipeline, reducing reporting and data processing time by 50%

Intern at NIT Trichy, Jun 2023 - Aug 2023 · 3 mos, Tamil Nadu, India, During my internship at NIT Trichy, I contributed significantly to the backend and data team by developing APIs and managing data. My role involved implementing data manipulation algorithms, which improved the efficiency of data handling. I gained hands-on experience with technologies like Spring Boot and PostgreSQL, enhancing my technical skills in web development.

Education

Bachelor of Technology, Civil Engineering, National Institute of Technology, Tiruchirappalli

Public links

leetcode: https://leetcode.com/tiwarisumit272181