Vishnu Vardan
Software Engineer • Hyderabad, India • i***@drivetube.in • 738****818 • linkedin.com/••••• • drivetube.ai/•••••
Professional Summary
Software Engineer with 4+ years of experience building cloud-native Java and React solutions, optimising microservices for 35% higher throughput, and reducing API latency by 25% across finance, manufacturing, and marketing domains. Adept at designing resilient Spring Boot architectures, deploying to AWS with Docker and Kubernetes, and automating CI/CD pipelines that accelerate release cycles while ensuring 99.9% uptime.
Technical Skills
Programming Language: Java,JavaScript,TypeScript,SQL,Python,C++
Frontend Technologies: React,Redux
Backend Technologies: Spring Boot,Spring MVC,Hibernate,JPA
Databases: PostgreSQL,MySQL,MongoDB
Cloud Platforms: AWS,EC2,S3
Version Control & Development Tools: Git,GitHub
DevOps & Infrastructure: Docker,Kubernetes,GitHub Actions,Continuous Integration,Continuous Deployment
Testing & QA: JUnit
API & Integrations: Swagger,RESTful APIs
Architecture & Design Patterns: Microservices Architecture
Project Management & Collaboration: Agile,Scrum
Work Experience
Voya Financial
United States
Software Engineer
Jul 2024 – Present
Built cloud-native retirement and financial-planning applications for a leading US financial services provider.
Tech Stack: Java, Spring Boot, React.js, PostgreSQL, MongoDB, AWS, Docker, Kubernetes, GitHub Actions, Git, Agile
- Designed and delivered 12+ Spring Boot microservices managing retirement accounts, increasing overall transaction throughput by 35%.
- Developed React.js front-end modules for trade execution workflows, cutting page load time by 25% and improving user task completion rates.
- Engineered high-volume REST APIs that process 5K+ transactions per second with circuit-breaker patterns, sustaining 99.9% uptime.
- Optimised PostgreSQL query plans and refactored MongoDB schemas, reducing data retrieval latency by 40% and trimming RDS costs 18%.
- Automated build-test-deploy pipelines via GitHub Actions, Docker, and Kubernetes, shrinking release cycles from weekly to daily and halving rollback time.
- Mentored three junior developers on clean code and peer reviews, boosting sprint velocity 20% and ensuring on-schedule delivery of 10+ releases.
Carborundum Universal
United States
Software Engineer
Sep 2021 – May 2023
Delivered digital manufacturing and supply-chain solutions for a global industrial ceramics and abrasives manufacturer.
Tech Stack: Java, Spring Boot, React.js, MySQL, Hibernate, AWS, Docker, Git, Agile, CI, CD
- Built Spring Boot services and React dashboards for inventory and order workflows, elevating application performance by 30% through asynchronous processing.
- Designed REST APIs integrating ERP modules; improved system reliability 25% by instituting idempotent operations and rigorous request validation.
- Tuned MySQL indexes and Hibernate mappings, slashing query latency 35% and supporting 2× data growth without downtime.
- Containerised microservices with Docker and deployed on AWS ECS, reducing environment provisioning time by 40%.
- Established trunk-based development with automated CI/CD in AWS CodePipeline, cutting manual release effort 50% and improving deployment consistency.
- Collaborated with a six-member Agile squad, facilitating backlog refinement that raised sprint predictability and velocity 20%.
WPP
India
Java Developer
Feb 2020 – Sep 2021
Created marketing analytics platforms for a global advertising and communications conglomerate.
Tech Stack: Java, Spring Boot, React.js, AWS EC2, AWS S3, PostgreSQL, MySQL, Git, GitHub, Agile
- Developed eight Spring Boot microservices delivering campaign analytics APIs, reducing request latency by 30% via caching and batch processing.
- Deployed workloads on AWS EC2 and S3 with CloudFormation scripts, achieving 99.8% environment availability and consistent infrastructure provisioning.
- Implemented Hibernate/JPA repositories on PostgreSQL and MySQL, streamlining ETL pipelines and raising data processing throughput 25%.
- Integrated React.js dashboards with REST APIs, lowering page load times 20% and improving analyst productivity for marketing insights.
- Set up CI pipelines using Git and GitHub, automating unit tests and static code analysis to reach 90% code coverage across modules.
- Participated in Agile ceremonies and presented sprint demos to stakeholders, contributing to a 15% increase in client satisfaction scores.
Education
University of Central
Master of Science in Computer Science • United States • Jun 2023 – Sep 2024
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