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I am a Full Stack Developer with over 4 years of experience specializing in building scalable and high-performance web applications and enterprise microservices using Java, Spring Boot, React.js, and GraphQL. I have worked extensively across the e-commerce, fintech, and cloud-native platforms, focusing on secure, cloud-deployed applications with robust CI/CD pipelines. I pride myself on being a strong collaborator and an Agile team player, emphasizing code quality and performance monitoring. I have a proven ability to manage high-throughput, mission-critical systems, mentor junior developers, and continuously improve engineering delivery in fast-paced, cross-functional environments.…I am a Full Stack Developer with over 4 years of experience specializing in building scalable and high-performance web applications and enterprise microservices using Java, Spring Boot, React.js, and GraphQL. I have worked extensively across the e-commerce, fintech, and cloud-native platforms, focusing on secure, cloud-deployed applications with robust CI/CD pipelines. I pride myself on being a strong collaborator and an Agile team player, emphasizing code quality and performance monitoring. I have a proven ability to manage high-throughput, mission-critical systems, mentor junior developers, and continuously improve engineering delivery in fast-paced, cross-functional environments.

Hari Krishna Chirumamila

Full Stack Developer, Web Developer, Developer, +3

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I am a Full Stack Developer with over 4 years of experience specializing in building scalable and high-performance web applications and enterprise microservices using Java, Spring Boot, React.js, and GraphQL. I have worked extensively across the e-commerce, fintech, and cloud-native platforms, focusing on secure, cloud-deployed applications with robust CI/CD pipelines. I pride myself on being a strong collaborator and an Agile team player, emphasizing code quality and performance monitoring. I have a proven ability to manage high-throughput, mission-critical systems, mentor junior developers, and continuously improve engineering delivery in fast-paced, cross-functional environments.…I am a Full Stack Developer with over 4 years of experience specializing in building scalable and high-performance web applications and enterprise microservices using Java, Spring Boot, React.js, and GraphQL. I have worked extensively across the e-commerce, fintech, and cloud-native platforms, focusing on secure, cloud-deployed applications with robust CI/CD pipelines. I pride myself on being a strong collaborator and an Agile team player, emphasizing code quality and performance monitoring. I have a proven ability to manage high-throughput, mission-critical systems, mentor junior developers, and continuously improve engineering delivery in fast-paced, cross-functional environments.

Available to hire

I am a Full Stack Developer with over 4 years of experience specializing in building scalable and high-performance web applications and enterprise microservices using Java, Spring Boot, React.js, and GraphQL. I have worked extensively across the e-commerce, fintech, and cloud-native platforms, focusing on secure, cloud-deployed applications with robust CI/CD pipelines.

I pride myself on being a strong collaborator and an Agile team player, emphasizing code quality and performance monitoring. I have a proven ability to manage high-throughput, mission-critical systems, mentor junior developers, and continuously improve engineering delivery in fast-paced, cross-functional environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Developer at Shopify (GraphQL-Based Shopify Integration Platform)

January 1, 2024 - Present

Designed and implemented RESTful and GraphQL APIs using Java 17, Spring Boot, and GraphQL Java, enabling seamless integration with Shopify APIs managing over 5 million records with sub-150ms response times. Achieved high test coverage and stable builds with JUnit, Mockito, TestNG, and Jasmine. Developed secure microservices with OAuth 2.0, JWT, and Spring Security. Built interactive UI dashboards with React.js and Material-UI while improving UX performance and WCAG accessibility. Managed scalable infrastructure deployments on GKE and AWS ECS using Docker, Helm, Terraform, and OpenShift. Reduced defects by 30% and ensured 100% sprint delivery through Agile practices and CI/CD. Monitored system performance with Prometheus, Grafana, and ELK Stack, reducing MTTR by 40%.

Full Stack Developer at Shopify

January 1, 2024 - June 17, 2024

Designed and implemented RESTful and GraphQL APIs using Java 17, Spring Boot, GraphQL Java, and SOAP, facilitating seamless integration with Shopify Admin APIs managing over 5 million product and order records with sub-150ms response times. Achieved over 95% test coverage, developed secure microservices with Spring Security and OAuth 2.0, built interactive UI dashboards using React.js and Material-UI enhancing UX performance by 20%, orchestrated deployments on GKE and AWS ECS using Docker and Helm. Improved system performance monitoring with Prometheus and Grafana, enabling alerting and incident response and reduced production defects by 30% through Agile and CI/CD practices.

Full Stack Developer at Shopify (GraphQL-Based Shopify Integration Platform)

January 1, 2024 - June 21, 2024

Designed and implemented RESTful and GraphQL APIs using Java 17, Spring Boot, GraphQL Java, and SOAP, enabling seamless integration with Shopify Admin APIs and handling over 5 million product and order records with low latency. Achieved >95% test coverage using JUnit 5, Mockito, and other testing frameworks to ensure stability and support TDD. Developed secure microservices with Spring Security, OAuth 2.0, and JWT for role-based access control. Built interactive UI dashboards with React.js, Redux, and Material-UI, improving UX performance and achieving WCAG accessibility compliance. Orchestrated microservices deployment on GKE and AWS ECS with scalable infrastructure using Docker, Helm, Terraform, and OpenShift. Reduced production defects by 30% and maintained 100% sprint delivery rate. Monitored system performance using Prometheus, Grafana, and ELK Stack, reducing MTTR by over 40%. Processed high-volume Shopify datasets using Postman and Shell scripting to enhance catalog and order sy

Full Stack Developer at Discover (Trident 2.0 CI/CD Pipeline Modernization)

December 31, 2023 - August 20, 2025

Led development of high-performance microservices supporting 100+ enterprise apps, cutting deployment lead times by 90%. Engineered backend automation integrating GitHub Actions and Jenkins, reducing delivery cycle from 14 to 2 days and saving over $8M annually. Developed modular UI components using React.js, TypeScript, and Tailwind CSS. Integrated AWS cloud and Kafka pub/sub for scalable, multi-region deployments with 99.99% uptime. Automated security gates in CI/CD pipelines to enforce compliance (SOX, PCI-DSS). Collaborated in Agile teams improving velocity by 35% and mentored junior developers.

Full Stack Developer at Discover

June 1, 2023 - December 31, 2023

Led development of high-performance microservices using Java 17 and Spring Boot supporting 100+ enterprise apps, reducing deployment lead time by 90%. Automated backend layers integrating GitHub Actions, Jenkins, and Kubernetes, accelerating delivery cycles from 14 to 2 days saving $8M+ annually. Developed modular UI components with React.js and TypeScript, integrated AWS Cloud services ensuring scalable deployments and SOX & PCI-DSS compliance. Collaborated in Agile teams enhancing team velocity by 35%, mentored developers, and promoted cloud-native engineering best practices.

Full Stack Developer at Discover (Trident 2.0 CI/CD Pipeline Modernization)

June 1, 2023 - December 31, 2023

Led development of high-performance microservices with Java 17, Spring Boot, Spring Cloud, and C# interfaces, supporting over 100 enterprise applications and reducing deployment lead time by 90%. Built automation layers integrating GitHub Actions, Jenkins, and Kubernetes, shortening delivery cycles from 14 to 2 days and saving $8M+ annually. Developed modular, accessible UI with React.js, TypeScript, and Tailwind CSS, integrating legacy components for responsiveness. Integrated AWS Cloud services and Kafka for scalable, event-driven deployments with 99.99% uptime. Embedded DevSecOps practices, automating security compliance gates to reduce manual work by 80% and strengthen compliance. Collaborated in Agile teams with tools like JIRA and Confluence, increasing team velocity by 35%. Mentored developers and promoted continuous improvement in a cloud-native environment.

Software Development Engineer at Accenture

July 31, 2022 - August 20, 2025

Engineered 25+ RESTful and GraphQL microservices using Java, Spring Boot, and Quarkus deployed on GCP and AWS, reducing latency by 40%. Implemented modern authentication protocols including OAuth 2.0, JWT, and SSO securing customer data. Developed scalable and responsive UIs with React.js and Redux achieving near perfect performance scores. Enhanced system observability with ELK Stack, Prometheus, Grafana, and Kafka streaming. Containerized applications using Docker and Kubernetes with CI/CD pipelines via GitHub Actions and Jenkins. Managed high-throughput data layers using PostgreSQL, Cloud Spanner, Redis, and MongoDB. Ensured high code quality with comprehensive testing, reducing critical bugs by 95%. Worked in global Agile teams, mentoring and reviewing code.

Software Development Engineer at Accenture

March 1, 2020 - July 31, 2022

Engineered 25+ RESTful and GraphQL microservices using Java 11, Spring Boot and Quarkus, deployed on GCP and AWS cloud platforms reducing latency by 40%. Integrated OAuth 2.0, JWT, and Spring Security for secure customer data. Developed scalable UI with React.js and Redux achieving high performance scores. Enhanced observability with ELK Stack, Prometheus, and Grafana. Containerized and orchestrated services through Docker and Kubernetes, deployed via CI/CD tools including Jenkins and GitHub Actions. Ensured high test coverage reducing production bugs by 95%, and collaborated in Agile global teams mentoring developers and conducting code reviews.

Software Development Engineer at Accenture

March 1, 2020 - July 31, 2022

Engineered 25+ RESTful and GraphQL microservices using Java 11, Spring Boot, Quarkus, JPA, and Hibernate, deployed on GCP and AWS cloud services, reducing latency by 40%. Integrated modern authentication protocols including OAuth 2.0, JWT, Spring Security, and SSO to secure customer data. Developed scalable responsive UIs with React.js, Redux, TypeScript, and Material-UI, maintaining Angular and JQuery modules. Enhanced observability using ELK Stack, Prometheus, Grafana, and Kafka stream processing. Containerized services with Docker and orchestrated via Kubernetes, deploying through CI/CD tools like GitHub Actions, Jenkins, and Terraform. Built and optimized data layers using PostgreSQL, Cloud Spanner, Redis, and MongoDB, supporting high-throughput transaction and audit systems. Ensured high code quality using JUnit 5, Mockito, and test automation, reducing critical bugs by 95%. Collaborated in global Agile teams, mentoring and conducting code reviews.