Rohan Gupta profile photo 1 on Tal

Rohan Gupta

Sr SDE @ Wissen| Ex - Walmart , Paytm | IIT Alumnus

Bengaluru

5+ years of work experience

Wissen Technology
May 20251 yr 7 mosPresent

On-site

Wissen Technology
May 20251 yr 7 mosPresent

Collaborated with MSEI client on a financial project, developing microservices using Java and Spring Boot to enhance existing system functionality. Designed and implemented high-throughput data processing pipelines using Apache Kafka, Docker, and Kubernetes on AWS Cloud infrastructure. Built and maintained front-end features and internal tooling using React and Node.js, improving usability and development speed. Mentor 4 junior and mid-level engineers through structured code reviews, pair programming, and 1:1 coaching. Drive innovation through internal tech talks, ideation sessions, and proof-of-concept demonstrations on architectural patterns and tooling.
Simplify360 (A Nextiva Company)
Dec 20231 yr 6 mosMay 2025

On-site

Dec 20237 mosJun 2024

Led and managed the chatbot backend team, overseeing end-to-end development lifecycle using Java, Spring Boot, Kafka, Docker, Kubernetes, and AWS. Collaborated closely with product, design, and UX teams to deliver features that improved overall product efficiency and user experience. Served as on-call DRI; developed runbooks and incident response playbooks that reduced Mean Time to Recovery (MTTR) by 30%. Drove observability tooling adoption (logging, alerting, tracing) across services, reducing production incidents by 25%. Owned product quality for key modules; enforced testing standards (unit and integration) achieving 85% code coverage on critical paths.
Walmart Global Tech
Jun 20221 yr 2 mosJul 2023

Bengaluru, Karnataka, India

Walmart Global Tech
Jun 20221 yr 2 mosJul 2023

Developed new features and APIs within Walmart's e-commerce order management and fulfillment flow using Java, Spring Boot, Kafka, and Azure Cloud Services. Refactored the sourcing microservice to enable more efficient order lookup, improving system performance and reducing end-to-end latency by 40%. Managed containerized deployments via Docker and Kubernetes with CosmosDB as the primary data store, maintaining 99.9% uptime SLA. Introduced improved CI/CD practices via Jenkins (automated testing gates, rollback strategies), reducing production rollbacks by 50%. Mentored 2 junior developers through code reviews; both were promoted to mid-level engineers within 6 months.
Paytm Money
Oct 20201 yr 9 mosJun 2022

Bengaluru, Karnataka, India

Developed microservices for onboarding new users to demat accounts, streamlining the KYC and registration process using Java, Spring Boot, Hibernate, and AWS. Implemented an automated statement generation flow for ledger statements, margin statements, weekly summaries, and contract notes with email and SMS notifications. Built and optimized real-time data pipelines leveraging Kafka, Redis caching, and SQL, reducing portfolio processing time by 45%. Acted as DRI for payment processing during market hours; monitored system health, triaged alerts, and led incident response with minimal downtime. Drove code quality initiatives with automated test coverage requirements, improving defect escape rate by 40%.

Rohan’s AI Stack

antigravity
antigravity
claude
claude
codex
codex
cursor
cursor
openai
openai
ChatGPT
ChatGPT

Education

Indian Institute of Technology, Patna

Bachelor of Technology (BTech), Computer Science and Engineering

Indian Institute of Technology, Patna

20124 yrs2016
Pathania Public School, Rohtak

High School

Pathania Public School, Rohtak

20102 yrs2012

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Headline

Sr SDE @ Wissen| Ex - Walmart , Paytm | IIT Alumnus

About

With 8+ years as a Senior Software Developer , I specialize in crafting microservices using Java and Spring Boot to enhance financial systems. My work includes designing high-throughput data processing pipelines with Apache Kafka, Docker, and Kubernetes on AWS Cloud. Additionally, I contribute to front-end development with React and Node.js, improving usability and internal tooling. I am committed to fostering team growth by mentoring junior and mid-level engineers through code reviews, pair programming, and coaching. I actively drive innovation within the organization through tech talks, ideation sessions, and proof-of-concept demonstrations, focusing on architectural patterns and tooling. My mission is to create scalable, efficient software solutions while nurturing a culture of collaboration and excellence.

Location

Bengaluru

AI stack

antigravity

claude

codex

cursor

openai

ChatGPT

Work experience

Senior Software Developer at Wissen Technology, May 2025 - Present · 1 yr 7 mos, On-site

Senior Software Engineer at Wissen Technology, May 2025 - Present · 1 yr 7 mos, Collaborated with MSEI client on a financial project, developing microservices using Java and Spring Boot to enhance existing system functionality. Designed and implemented high-throughput data processing pipelines using Apache Kafka, Docker, and Kubernetes on AWS Cloud infrastructure. Built and maintained front-end features and internal tooling using React and Node.js, improving usability and development speed. Mentor 4 junior and mid-level engineers through structured code reviews, pair programming, and 1:1 coaching. Drive innovation through internal tech talks, ideation sessions, and proof-of-concept demonstrations on architectural patterns and tooling.

Senior Software Developer at Simplify360 (A Nextiva Company), Dec 2023 - May 2025 · 1 yr 6 mos, On-site

Senior Software Engineer at Simplify360 | Nextiva, Dec 2023 - Jun 2024 · 7 mos, Led and managed the chatbot backend team, overseeing end-to-end development lifecycle using Java, Spring Boot, Kafka, Docker, Kubernetes, and AWS. Collaborated closely with product, design, and UX teams to deliver features that improved overall product efficiency and user experience. Served as on-call DRI; developed runbooks and incident response playbooks that reduced Mean Time to Recovery (MTTR) by 30%. Drove observability tooling adoption (logging, alerting, tracing) across services, reducing production incidents by 25%. Owned product quality for key modules; enforced testing standards (unit and integration) achieving 85% code coverage on critical paths.

Software Developer at Walmart Global Tech, Jun 2022 - Jul 2023 · 1 yr 2 mos, Bengaluru, Karnataka, India

Software Engineer at Walmart Global Tech, Jun 2022 - Jul 2023 · 1 yr 2 mos, Developed new features and APIs within Walmart's e-commerce order management and fulfillment flow using Java, Spring Boot, Kafka, and Azure Cloud Services. Refactored the sourcing microservice to enable more efficient order lookup, improving system performance and reducing end-to-end latency by 40%. Managed containerized deployments via Docker and Kubernetes with CosmosDB as the primary data store, maintaining 99.9% uptime SLA. Introduced improved CI/CD practices via Jenkins (automated testing gates, rollback strategies), reducing production rollbacks by 50%. Mentored 2 junior developers through code reviews; both were promoted to mid-level engineers within 6 months.

Software Engineer at Paytm Money, Oct 2020 - Jun 2022 · 1 yr 9 mos, Bengaluru, Karnataka, India, Developed microservices for onboarding new users to demat accounts, streamlining the KYC and registration process using Java, Spring Boot, Hibernate, and AWS. Implemented an automated statement generation flow for ledger statements, margin statements, weekly summaries, and contract notes with email and SMS notifications. Built and optimized real-time data pipelines leveraging Kafka, Redis caching, and SQL, reducing portfolio processing time by 45%. Acted as DRI for payment processing during market hours; monitored system health, triaged alerts, and led incident response with minimal downtime. Drove code quality initiatives with automated test coverage requirements, improving defect escape rate by 40%.

Education

Bachelor of Technology (BTech), Computer Science and Engineering, Indian Institute of Technology, Patna

High School, Pathania Public School, Rohtak

Rohan Gupta - Senior Software Developer in Bengaluru | Tal