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I'm a results-driven, full-stack software engineer with 5+ years of experience designing, developing, and scaling enterprise and cloud-native applications. I design, develop, and operate reliable systems using Java, Spring Boot, REST APIs, microservices, and modern frontend stacks to deliver business value. I thrive in Agile environments, leveraging TDD/BDD and robust CI/CD pipelines on AWS and GCP to ship secure, high-performing software. I enjoy collaborating with product and UX teams to craft user-centric solutions that drive measurable business impact.…I'm a results-driven, full-stack software engineer with 5+ years of experience designing, developing, and scaling enterprise and cloud-native applications. I design, develop, and operate reliable systems using Java, Spring Boot, REST APIs, microservices, and modern frontend stacks to deliver business value. I thrive in Agile environments, leveraging TDD/BDD and robust CI/CD pipelines on AWS and GCP to ship secure, high-performing software. I enjoy collaborating with product and UX teams to craft user-centric solutions that drive measurable business impact.

Uday Kumar

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm a results-driven, full-stack software engineer with 5+ years of experience designing, developing, and scaling enterprise and cloud-native applications. I design, develop, and operate reliable systems using Java, Spring Boot, REST APIs, microservices, and modern frontend stacks to deliver business value. I thrive in Agile environments, leveraging TDD/BDD and robust CI/CD pipelines on AWS and GCP to ship secure, high-performing software. I enjoy collaborating with product and UX teams to craft user-centric solutions that drive measurable business impact.…I'm a results-driven, full-stack software engineer with 5+ years of experience designing, developing, and scaling enterprise and cloud-native applications. I design, develop, and operate reliable systems using Java, Spring Boot, REST APIs, microservices, and modern frontend stacks to deliver business value. I thrive in Agile environments, leveraging TDD/BDD and robust CI/CD pipelines on AWS and GCP to ship secure, high-performing software. I enjoy collaborating with product and UX teams to craft user-centric solutions that drive measurable business impact.

Available to hire

I’m a results-driven, full-stack software engineer with 5+ years of experience designing, developing, and scaling enterprise and cloud-native applications. I design, develop, and operate reliable systems using Java, Spring Boot, REST APIs, microservices, and modern frontend stacks to deliver business value.

I thrive in Agile environments, leveraging TDD/BDD and robust CI/CD pipelines on AWS and GCP to ship secure, high-performing software. I enjoy collaborating with product and UX teams to craft user-centric solutions that drive measurable business impact.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Software Dev Engineer at Amazon.com LLC

January 1, 2023 - Present

Built and enhanced the MyBoost/AWSBoost platform to orchestrate datacenter parts lifecycle, improving technician productivity and reducing hardware operation delays by 25%. Designed and optimized Java/Scala microservices with Spring Boot, integrating with Oracle, RDS, DynamoDB, and Redshift, and securing access with Spring Security. Automated parts allocation and shipment workflows using AWS Lambda, EventBridge, SQS, and SNS, handling ~2,000 requests per month and reducing manual interventions by 30%. Created Redshift data models and QuickSight dashboards for inventory analytics, boosting reporting performance by 40%. Implemented real-time data pipelines with Kafka and SQS, introducing retries and dead-letter queues to improve reliability by 35%. Created responsive front-end modules in React.js/TypeScript, interfacing with backend microservices via REST APIs. Established CI/CD pipelines with Jenkins, GitHub Actions, Docker, and Kubernetes/EKS, cutting deployment times by 50% and standa

Software Development Engineer at Udaan

January 1, 2020 - June 1, 2021

Developed payment microservices in Java/Spring Boot for checkout, refunds, and settlements, applying J2EE patterns and ensuring reliability with idempotency and retry logic. Integrated with payment gateways and banks via REST/SOAP, signed webhooks, and Spring Integration, using exponential backoff and DLQs for fault tolerance. Designed and optimized a financial ledger in Cloud SQL (PostgreSQL/MySQL), enhancing performance with indexing and query optimization. Built reconciliation pipelines on GCP Pub/Sub and backend services to cross-check gateway data against ledgers; published operational events to Pub/Sub for real-time consumption by invoicing, analytics, and notifications. Implemented BigQuery pipelines to analyze payment latency, chargebacks, and balances, delivering dashboards for data-driven decisions. Created AngularJS UI screens for wallets, credits, and transaction history with REST-based live updates. Containerized microservices on GKE and automated CI/CD with Jenkins, Tekto

Associate Java Developer at The Solar Labs

November 1, 2018 - December 1, 2019

Designed and developed web applications using Spring Boot, Hibernate, and Core Java to improve performance and maintainability. Created GCP-based reconciliation pipelines with Pub/Sub and backend jobs to validate transactions; implemented BigQuery dashboards for key payment metrics. Developed components for processing XML messages via JMS queues, and migrated monolithic services to REST-based microservices with full CRUD. Applied Spring Integration and optimized JSON-based APIs for interoperability; wrote JUnit tests using TDD to improve coverage. Provided production support by monitoring logs and resolving issues to reduce downtime.