K

Kunguma Vishnu

Co-Founder

Bengaluru, Karnataka, India6 yrs 8 mos experience

Key Highlights

  • Expert in building scalable backend systems.
  • Proven track record in performance optimization.
  • Strong experience in cloud-native microservices.
Stackforce AI infers this person is a Backend-focused Software Engineer in E-commerce and SaaS.

Contact

Skills

Core Skills

JavaSpring Boot

Other Skills

Java 17KafkaOracle SQLAWSAzureDockerKubernetesJenkinsJUnitSonarQubeNode.jsMongoDBPostmanPostgreSQLChatGPT

About

I’m a Software Engineer with 4+ years of experience in building scalable, high-performance backend systems and cloud-native microservices using Java 17, Spring Boot, and Microsoft Azure. My expertise lies in designing distributed architectures, optimizing system performance, and solving complex engineering problems with clean, efficient code. At Walmart, I’ve contributed to multiple large-scale initiatives on the Returns Application Platform, driving end-to-end design, development, and automation of high-impact features that improved reliability, performance, and customer experience. Previously at Athenahealth and EdgeVerve, I worked on optimizing APIs, migrating legacy systems, and improving overall throughput by up to 90%, with measurable business impact. I’m passionate about system design, performance optimization, and fault-tolerant microservices, and I enjoy collaborating across teams to bring products from concept to production. My goal is to build systems that are robust, efficient, and designed to scale — blending engineering precision with product-focused thinking. Core Competencies: Java 17 · Spring Boot · Microservices · System Design · Microsoft Azure · Apache Kafka · Docker · Kubernetes · CI/CD · PostgreSQL · MySQL · Hibernate · Design Patterns · Performance Optimization · Distributed Systems

Experience

6 yrs 8 mos
Total Experience
--
Average Tenure
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Current Experience

Paypal

Software Engineer 2

Dec 2025May 2026 · 5 mos

Java 17Spring BootKafkaOracle SQLAWSAzure+4

Walmart global tech

Software Engineer 3

May 2024Dec 2025 · 1 yr 7 mos · Chennai, Tamil Nadu, India · Hybrid

  • Designed and implemented the PDP Returns Pipeline processing 350M+
  • offerIDs daily, integrating Apache Spark, Kafka, and GCP Hive to precompute
  • and publish delta updates to IRO, enabling real-time return-policy display on
  • Walmart’s PDP and reducing backend load by 99% while supporting 15×
  • traffic scale.
  • Designed and implemented the FedEx Generate Label API, decoupling it from the
  • legacy CreateReturn flow for hazmat items and enabling on-demand label
  • generation. Integrated with multiple Walmart systems (Orchestration,
  • Configuration, Gateway) to support in-store hazmat returns, ensuring seamless
  • cross-system communication and smooth end-to-end rollout.
  • Delivered multiple RAP platform enhancements and decommissions, Market
  • Place Initiatives, managing design-to-deployment lifecycle, regression
  • automation, and release/on-call support across environments.
  • Led the migration of RAP regression automation from Astra UI to TestNG,
  • establishing best practices, mentoring peers, and becoming the point of contact for
  • framework issues and code merges.
  • Tech: Java 17, Spring Boot, Kafka, Oracle SQL, AWS, Azure, Docker, Kubernetes, Jenkins.
JavaSpring BootJUnitSonarQubeJenkins

Grow through life

Mentor

Jan 2024Present · 2 yrs 5 mos · India

  • I guide and mentor people to become the best version of themselves.

Athenahealth

Member of Technical Staff

Nov 2023May 2024 · 6 mos · Chennai, Tamil Nadu, India · On-site

  • Built RESTful APIs for the Dental Unpostables module in Spring Boot, automating Unpostables
  • claim-discrepancy management and reducing manual rework.
  • Refactored and migrated legacy Perl APIs to Spring Boot 2.0
  • microservices, optimizing SQL and cutting P95 latency from 2.3 s → 230
  • ms; integrated JUnit, SonarQube, Jenkins, and Jacoco to enable continuous
  • testing and quality gates.
JavaSpring BootNode.jsMongoDBPostman

Edgeverve

Associate Product Developer (Software Engineer)

Oct 2021Aug 2023 · 1 yr 10 mos · Bengaluru, Karnataka, India · Hybrid

  • Developed Service Request Banking REST APIs for payment requests, credit limit upgrades, and activity disputes using Java & Spring Boot.
  • Implemented a caching layer improving pre-approved loan API latency by 85 %.
  • Built a Node.js/MongoDB activity-tracking tool parsing internal logs to enhance usability analytics.
  • Contributed to “Nura” code-generation platform producing complete core-banking modules (API + UI + tests + deployment scripts), standardizing developer workflows.
  • Award: Best Trainee Project (2021) – Capstone.
  • Tech: Java, Spring Boot, React, TypeScript, MySQL, Node.js, Jenkins, Postman.

Career break

Personal goal pursuit

May 2019Sep 2021 · 2 yrs 4 mos · Chennai, Tamil Nadu

  • I had managed a squad in Mobile Legends (Mobile Moba) for 2 consecutive seasons being world rank 1 in leaderboard. Also acheived World rank 1 as a player during one of those seasons. I was consistently India number 1 in multiple heroes for 2 years. I did manage a complete marketplace where people can avail lot of services related to Mobile Legends game itself. Had Clients from India, USA, Canada, UAE, Saudi Arabia, Qatar, Australia, France, England, Japan, etc
Node.jsPostgreSQL

Thoughtworks

Intern

Jun 2017Sep 2017 · 3 mos · Coimbatore Area, India · On-site

  • Built a large-scale Energy Monitoring System to automate tracking across regions, store data in the cloud, and visualize usage dashboards.
  • Tech: Node.js, PostgreSQL, Distributed Systems.

Education

Coimbatore Institute of Technology

Bachelor of Technology - BTech — Information Technology

Jun 2015Apr 2019

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