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Ritik Handa

Full-Stack Software Engineer | Java, Spring Boot, Microservices | React, TypeScript | Building scalable backend systems

Haryana

4+ years of work experience

Stockarea
Apr 20233 yrs 5 mosPresent

Chennai, Tamil Nadu, India

• Architected and deployed scalable Spring Boot microservices using Hibernate ORM, Spring Data JPA, and PostgreSQL on AWS RDS, improving system throughput by ~2x through query optimization and efficient connection pooling. • Designed RESTful APIs with Spring MVC and integrated E-Waybill portal APIs to automate e-Consignment Note generation, reducing manual effort by 60% and cutting processing time from hours to minutes. • Secured the platform with JWT, OAuth2/OIDC, and Spring Security — enforcing BCrypt password hashing, CSRF protection, and RBAC across all services. • Containerized applications using Docker & Docker Compose and deployed services to AWS ECS/ECR for scalable and reliable production deployment. • Applied Spring AOP for centralized logging, performance monitoring, and request validation, improving observability across backend services. • Developed frontend components using React and TypeScript for the Digital Warehouse module, enhancing user experience through WCAG-compliant accessibility and analytics-driven UX improvements.
UnitedHealth Group
Jun 20211 yr 5 mosOct 2022

Hyderabad, Telangana, India

• Spearheaded in-house migration of claims filing workflows, owning end-to-end frontend architecture and MVP scoping; cut turnaround time for policy-driven UI changes from weeks to days. • Developed reusable UI components for interactive web and mobile interfaces using ReactJS, TypeScript, and React Native for UHG Claims — a largescale healthcare platform. • Engineered backend microservices in Scala using Play Framework to sync medical and financial claims data in real time via RESTful APIs and SQL-based data access. • Implemented scalable client-side search, filtering, and sorting, reducing average claim lookup time by 30%, and improved data accuracy by 25% through robust validation across frontend and backend. • Investigated and resolved customer-reported production issues by collaborating with cross-functional teams, reproducing bugs in UAT environments, and delivering high-priority fixes. • Ensured code quality and release stability by contributing to unit and integration testing, participating in code reviews, resolving merge conflicts, validating changes through QA cycles to identify and resolve defects.

Ritik’s AI Stack

antigravity
antigravity
codex
codex

Education

Delhi Technological University (Formerly DCE)

Bachelor of Technology, Computer Engineering

Delhi Technological University (Formerly DCE)

20174 yrs2021

Standard XII, PCM + Information Practices

Bal Vikas School, Panipat

20161 yr2017

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Headline

Full-Stack Software Engineer | Java, Spring Boot, Microservices | React, TypeScript | Building scalable backend systems

About

I'm a Full-Stack Software Engineer with 4+ years building scalable web applications across backend and frontend. My core strength is Java backend development — Spring Boot, Hibernate, Spring Data JPA, and PostgreSQL — with production experience designing REST APIs, securing services (JWT, OAuth2/OIDC), and deploying containerized microservices on AWS. On the frontend I work with React and TypeScript, and most recently React Native. I like owning problems end to end: at Stockarea I architected backend microservices and built customer-facing UI; at Optum I worked across a large-scale healthcare claims platform. Lately I've been independently architecting and building a full-stack mobile app — an async Python/FastAPI + PostgreSQL backend with a React Native client, including a custom search engine and a fully-typed API contract. It's been a great way to deepen my system-design and end-to-end product skills. I'm most interested in backend-heavy roles where I can work on performance, scalability, and well-architected systems.

Location

Haryana

AI stack

antigravity

codex

Work experience

Contract Software Engineer at Stockarea, Apr 2023 - Present · 3 yrs 5 mos, Chennai, Tamil Nadu, India, • Architected and deployed scalable Spring Boot microservices using Hibernate ORM, Spring Data JPA, and PostgreSQL on AWS RDS, improving system throughput by ~2x through query optimization and efficient connection pooling. • Designed RESTful APIs with Spring MVC and integrated E-Waybill portal APIs to automate e-Consignment Note generation, reducing manual effort by 60% and cutting processing time from hours to minutes. • Secured the platform with JWT, OAuth2/OIDC, and Spring Security — enforcing BCrypt password hashing, CSRF protection, and RBAC across all services. • Containerized applications using Docker & Docker Compose and deployed services to AWS ECS/ECR for scalable and reliable production deployment. • Applied Spring AOP for centralized logging, performance monitoring, and request validation, improving observability across backend services. • Developed frontend components using React and TypeScript for the Digital Warehouse module, enhancing user experience through WCAG-compliant accessibility and analytics-driven UX improvements.

Full-stack Developer at UnitedHealth Group, Jun 2021 - Oct 2022 · 1 yr 5 mos, Hyderabad, Telangana, India, • Spearheaded in-house migration of claims filing workflows, owning end-to-end frontend architecture and MVP scoping; cut turnaround time for policy-driven UI changes from weeks to days. • Developed reusable UI components for interactive web and mobile interfaces using ReactJS, TypeScript, and React Native for UHG Claims — a largescale healthcare platform. • Engineered backend microservices in Scala using Play Framework to sync medical and financial claims data in real time via RESTful APIs and SQL-based data access. • Implemented scalable client-side search, filtering, and sorting, reducing average claim lookup time by 30%, and improved data accuracy by 25% through robust validation across frontend and backend. • Investigated and resolved customer-reported production issues by collaborating with cross-functional teams, reproducing bugs in UAT environments, and delivering high-priority fixes. • Ensured code quality and release stability by contributing to unit and integration testing, participating in code reviews, resolving merge conflicts, validating changes through QA cycles to identify and resolve defects.

Education

Bachelor of Technology, Computer Engineering, Delhi Technological University (Formerly DCE)

Standard XII, PCM + Information Practices, Bal Vikas School, Panipat