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I am a software developer with 5+ years of experience delivering scalable full-stack solutions using Java, Spring Boot, React, and cloud services. I enjoy designing robust APIs, building data-driven features, and optimizing performance across microservices architectures. I thrive in Agile teams, embrace CI/CD practices, and have hands-on experience with Docker, Kubernetes, and AWS to deliver reliable, maintainable software. In addition to delivering customer-focused features, I collaborate with researchers and cross-functional teams to refine requirements, ensure data accuracy, and improve system health. I’m passionate about clean, well-documented code and continuous learning, and I contribute to open-source projects when possible to share knowledge and best practices.…I am a software developer with 5+ years of experience delivering scalable full-stack solutions using Java, Spring Boot, React, and cloud services. I enjoy designing robust APIs, building data-driven features, and optimizing performance across microservices architectures. I thrive in Agile teams, embrace CI/CD practices, and have hands-on experience with Docker, Kubernetes, and AWS to deliver reliable, maintainable software. In addition to delivering customer-focused features, I collaborate with researchers and cross-functional teams to refine requirements, ensure data accuracy, and improve system health. I’m passionate about clean, well-documented code and continuous learning, and I contribute to open-source projects when possible to share knowledge and best practices.

Krishnakumar Chavan

Full Stack Developer, Developer, Programmer, +3

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I am a software developer with 5+ years of experience delivering scalable full-stack solutions using Java, Spring Boot, React, and cloud services. I enjoy designing robust APIs, building data-driven features, and optimizing performance across microservices architectures. I thrive in Agile teams, embrace CI/CD practices, and have hands-on experience with Docker, Kubernetes, and AWS to deliver reliable, maintainable software. In addition to delivering customer-focused features, I collaborate with researchers and cross-functional teams to refine requirements, ensure data accuracy, and improve system health. I’m passionate about clean, well-documented code and continuous learning, and I contribute to open-source projects when possible to share knowledge and best practices.…I am a software developer with 5+ years of experience delivering scalable full-stack solutions using Java, Spring Boot, React, and cloud services. I enjoy designing robust APIs, building data-driven features, and optimizing performance across microservices architectures. I thrive in Agile teams, embrace CI/CD practices, and have hands-on experience with Docker, Kubernetes, and AWS to deliver reliable, maintainable software. In addition to delivering customer-focused features, I collaborate with researchers and cross-functional teams to refine requirements, ensure data accuracy, and improve system health. I’m passionate about clean, well-documented code and continuous learning, and I contribute to open-source projects when possible to share knowledge and best practices.

Available to hire

I am a software developer with 5+ years of experience delivering scalable full-stack solutions using Java, Spring Boot, React, and cloud services. I enjoy designing robust APIs, building data-driven features, and optimizing performance across microservices architectures. I thrive in Agile teams, embrace CI/CD practices, and have hands-on experience with Docker, Kubernetes, and AWS to deliver reliable, maintainable software.

In addition to delivering customer-focused features, I collaborate with researchers and cross-functional teams to refine requirements, ensure data accuracy, and improve system health. I’m passionate about clean, well-documented code and continuous learning, and I contribute to open-source projects when possible to share knowledge and best practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Data Research Assistant at University at Buffalo

May 1, 2025 - August 20, 2025

Designed and implemented a scalable ETL pipeline to extract, clean, and transform system performance metrics using InfluxDB and Python. Automated data workflows with AWS Glue and Lambda, storing datasets in AWS S3 for efficient access. Developed an interactive React.js dashboard with Chart.js for real-time visualization and drill-down data analysis. Optimized API calls to reduce dashboard load times by 35%. Collaborated with faculty to refine metrics and ensured data accuracy.

Python Developer at SAS Institute Inc

October 1, 2022 - August 20, 2025

Developed scalable backend microservices using Java Spring Boot and Hibernate ORM. Created REST APIs for large-scale data backup and restore management. Improved PostgreSQL performance with optimized queries and indexing. Integrated AWS S3 for offsite backup storage and automated backups using Spring Batch. Enhanced CI/CD pipelines with Jenkins. Containerized and deployed services using Docker and Kubernetes. Implemented security using Spring Security and OAuth2. Monitored application health with AWS CloudWatch and Grafana, and developed recovery scripts reducing downtime by 40%. Coordinated with teams for requirements and testing; documented APIs with Swagger.

Software Quality Engineer (Java Automation) at PTC Inc

January 1, 2022 - August 20, 2025

Automated over 160 UI test cases using Selenium with Java and created API testing frameworks with REST Assured. Designed regression test suites and integrated automated tests into CI/CD pipelines. Used Page Object Model for maintainability and performed load testing with JMeter. Generated automated HTML test reports and collaborated closely with developers for quick defect resolution. Conducted code reviews and wrote unit tests with JUnit. Improved test coverage to 92%.

Full Stack Java Developer Intern at Code Chef SCOE

August 1, 2021 - August 20, 2025

Developed backend event management system with Java Spring Boot and frontend with React.js for registration workflows. Created REST APIs managing event data in MySQL and deployed application on AWS EC2. Implemented server-side form validations and role-based access control using Spring Security. Integrated email notifications and developed admin dashboards for analytics. Used Bootstrap for responsive UI and optimized database queries reducing load times by 30%. Collaborated with marketing to enhance UI engagement.

Data Research Assistant at University at Buffalo

May 2, 2025 - September 23, 2025

Designed and implemented a scalable ETL pipeline to extract, clean, and transform system performance metrics from InfluxDB; Converted raw datasets into structured JSON for backend APIs and frontend services; Automated data workflows using AWS Glue for ETL orchestration and AWS Lambda; Stored transformed datasets in AWS S3 for efficient, low-latency frontend access; Developed an interactive React.js dashboard with real-time performance visualization using Chart.js; Implemented drill-down capable chart components; Optimized API calls and data-fetching to reduce dashboard load times by 35%; Collaborated with faculty researchers to refine metric definitions and ensure data accuracy across visual reports.

Python Developer at SAS Institute Inc

October 1, 2022 - September 23, 2025

Developed scalable backend microservices using Java Spring Boot and Hibernate; Created REST APIs to manage large-scale data backups and restores; Improved PostgreSQL performance with optimized queries and indexing; Integrated AWS S3 for offsite storage of backups; Automated backup processes using Spring Batch; Enhanced CI/CD pipelines using Jenkins for build and deployment automation; Containerized services with Docker and deployed to Kubernetes clusters; Applied security best practices using Spring Security and OAuth2; Monitored application health with AWS CloudWatch and Grafana dashboards; Developed recovery scripts reducing downtime by 40%; Coordinated with cross-functional teams for requirement gathering and testing; Documented APIs with Swagger for developer onboarding.

Software Quality Engineer (Java Automation) at PTC Inc

January 1, 2022 - September 23, 2025

Automated 160+ UI test cases using Selenium with Java; Created API testing frameworks with REST Assured; Designed regression test suites for core application modules; Integrated automated tests into CI/CD pipelines; Implemented data-driven testing frameworks; Used Page Object Model (POM) for maintainable test code; Performed load and performance testing using JMeter; Generated automated HTML test reports; Collaborated with developers to resolve defects quickly; Conducted code reviews for test scripts; Wrote unit tests with JUnit for backend Java modules; Improved test coverage to 92% across application features.

Full Stack Java Developer Intern at Code Chef SCOE

August 1, 2021 - September 23, 2025

Developed event management system backend with Java Spring Boot; Built React.js frontend for registration and event workflows; Created REST APIs for managing event data in MySQL; Deployed application on AWS EC2; Implemented server-side form validations; Integrated email notifications for successful registrations; Applied role-based access control using Spring Security; Developed admin dashboards for event analytics; Used Bootstrap for responsive UI design; Optimized database queries for faster page loads; Collaborated with marketing team to enhance UI for engagement; Achieved 30% reduction in load times with performance tuning.