Software Developer

Varun Kumar Reddy Gunnreddy

Backend and full-stack engineer with 6+ years of experience building secure, scalable systems in cloud-native environments.

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Professional Summary

I build high-impact backend platforms and APIs using Java, Python, Golang, and distributed systems tooling. At Visa, I developed an API onboarding platform that reduced integration time from months to weeks, improved gateway latency by 30%, and supported availability improvements from 99.99% to 99.999%.

Experience

Nutanix, Inc

Member of Technical Staff - 3 | Oct 2023 - Present | San Jose, CA

  • Building a secure, scalable control plane for AHV virtual machine management.
  • Improved cross-version API debuggability across VMM workflows.
  • Integrated multi-source backup vendor support to strengthen data recovery capabilities.
  • Enhanced OVA/OVF-based VM create and deploy flows in v4 APIs.

Python, Golang, Bash, Git, RPC, REST APIs

Visa Inc Technology Center

Senior Software Engineer | Jul 2017 - Jul 2021 | Bangalore, India

  • Built services in Visa Developer Platform for auth, authorization, encryption, and rate limiting.
  • Designed gateway architecture for authenticated APIs in VLAN network zones.
  • Implemented API onboarding automation, reducing onboarding cycle time from months to weeks.
  • Created stress-test and fault-injection frameworks to improve latency and resilience.

Java, Spring Boot, Nginx, Oracle DB, Prometheus, Python, SQL, React, Node.js, MongoDB

Ten Across

Software Engineer Intern | Sep 2021 - Jul 2022 | Tempe, AZ

  • Developed climate-change sentiment analysis pipelines from news and social sources.
  • Automated dashboards for policy and trend analysis across I-10 cities.

Python, JavaScript, Node.js, Flask, PostgreSQL

Samsung R&D

Software Engineer Intern | May 2016 - Jul 2016 | Bangalore, India

  • Researched efficient wireless connection handling using timeout optimization.
  • Applied machine learning over network logs to estimate optimal closure timing.

Python, Wireshark

Selected Projects

Autoscaling in IaaS

  • Built an elastic image-recognition cloud app on AWS IaaS.
  • Handled concurrent requests and autoscaled based on demand.

AWS EC2, Lambda, S3, SQS, DynamoDB, SNS, Containers, Python, Flask

Twitter Sentiment Analysis

  • Implemented sentiment-specific word embeddings over 10M tweets.
  • Trained SVM classifiers using learned vectors for tweet classification.

NLP, Neural Networks, SVM

Education

Arizona State University

M.S. in Computer Science | Aug 2021 - May 2023

CGPA: 3.93 / 4.0

IIIT Hyderabad

B.Tech in Computer Science & Engineering | Jul 2013 - Jul 2017

Contact

If you have a backend or platform engineering role, I would be glad to connect.

varunkumar.gunnreddy@gmail.com +1 (602) 651-8529 Resume (PDF)