Senior Full-Stack Software Engineer with Java & React Expertise

SAHITHI G

856-***-**** *****************.**@*****.*** https://www.linkedin.com/in/sahithigofficial/

SUMMARY

Full Stack Software Developer with 5 years of experience building scalable enterprise applications using Java 8/11/17, Spring Boot 2.x/3.x, Spring Framework 5.x, and Java EE. Strong expertise in developing secure RESTful APIs, architecting backend systems with Hibernate 5.x/6.x and Spring Data JPA, and delivering responsive frontends using React 16/17/18, Angular 12+, HTML5, CSS3, and JavaScript (ES6+). Experienced with PostgreSQL 12+, MySQL 8.x, Oracle 19c, and MongoDB 4.x, ensuring optimized performance and data integrity. Skilled in deploying applications using Docker 20.x, Kubernetes (EKS 1.24+), AWS (EC2, ECS, EKS, RDS, S3), and Microsoft Azure. Recently integrated Generative AI, leveraging OpenAI GPT (ChatGPT) APIs and GitHub Copilot to enhance intelligent validation, automation, and development productivity within enterprise systems.

EXPERIENCE

Software Developer Global Tek Vision, Remote, USA Jan 2025 – Present

Designed and enhanced scalable microservices using Java 17 and Spring Boot 3.x, implementing layered Controller–Service–Repository architecture to support high-volume health insurance claim adjudication workflows across distributed environments.

Developed secure and well-documented RESTful APIs using Spring MVC and Spring Security 6.x, implementing JWT-based authentication, centralized exception handling, and request validation mechanisms to ensure robust server-side application behaviour.

Engineered responsive frontend applications using React 18, JavaScript (ES6+), HTML5, CSS3, and Bootstrap 5, building reusable functional components with Hooks (useState, useEffect) to support claim intake, approval workflows, and audit dashboards.

Designed dynamic, multi-step form workflows in React with conditional rendering and real-time validation integrated with backend APIs to improve operational efficiency and reduce manual claim errors.

Contributed to Angular 14 modules for internal administrative dashboards, implementing TypeScript-based services and optimizing component lifecycle performance for data-heavy reporting screens.

Integrated Generative AI (Gen AI) based validation services by developing backend REST endpoints that consumed AI-driven anomaly detection responses to assist in automated claim risk analysis and intelligent data enrichment.

Integrated OpenAI GPT (ChatGPT) APIs within Spring Boot services to enable AI-assisted claim anomaly detection, intelligent data summarization, and contextual validation workflows.

Utilized GitHub Copilot as an AI-assisted development tool to enhance code generation efficiency, improve test case coverage, and accelerate feature delivery without compromising architectural standards.

Optimized data persistence using Hibernate 6.x and Spring Data JPA, tuning PostgreSQL 14 and MySQL 8 queries, indexing strategies, and execution plans to improve reconciliation job performance and reduce nightly batch processing time.

Containerized applications using Docker 24.x and deployed services to AWS EC2, ECS, and RDS, configuring load balancing and auto-scaling policies to maintain system availability.

Strengthened CI/CD automation using GitHub Actions and Azure DevOps, integrating JUnit 5 and Mockito 5.x based automated testing pipelines to ensure consistent build validation.

Collaborated with cross-functional teams including UI/UX designers, QA engineers, and business analysts to troubleshoot integration issues between frontend and backend layers and deliver production-ready full-stack features in Agile sprints.

Software Developer Datics Inc, NJ, USA Feb 2023 – Dec 2024

Developed enterprise-grade financial analytics systems using Java 17 and Spring Boot 2.7.x, designing scalable microservices architecture with clean separation of concerns and transactional consistency.

Designed and implemented secure RESTful APIs using Spring Framework 5.x and Spring Security 5.x, enabling controlled access to financial risk metrics and analytical datasets consumed by internal dashboards.

Built advanced financial dashboards using React 17, implementing reusable UI components, client-side routing, and optimized state management techniques for real-time visualization of analytics data.

Enhanced legacy reporting modules using Angular 12+ and TypeScript 4.x, creating modular services and improving performance of data-intensive reporting interfaces.

Developed responsive user interfaces using HTML5, CSS3, Bootstrap 4/5, and modern JavaScript, ensuring cross-device compatibility and consistent user experience.

Strengthened relational database performance in PostgreSQL 13 and MySQL 8, optimizing Hibernate 5.x mappings, adding indexing strategies, and rewriting inefficient native SQL queries to reduce response latency.

Integrated MongoDB 4.x for managing semi-structured analytics logs and reporting metadata, ensuring seamless backend integration.

Containerized applications using Docker 20.x and supported deployments on AWS ECS and EKS, ensuring cloud-native scalability and environment consistency.

Participated actively in Agile ceremonies, including sprint planning and design discussions, contributing to performance tuning, feature enhancements, and stable production releases.

Collaborated closely with business stakeholders and QA teams to validate requirements, debug application behavior, and ensure secure frontend-backend communication.

Programmer Analyst Cognizant, Remote, Pune, India Mar 2021 – Jul 2022

Contributed to backend development of telecom provisioning systems using Java 11 and Spring Boot 2.x, implementing scalable REST-driven microservices to support device activation and order lifecycle management workflows.

Designed and maintained secure RESTful APIs using Spring MVC 5.x, incorporating request validation, structured logging, and centralized exception handling to improve maintainability and service reliability.

Managed transactional operations using Hibernate 5.x and Oracle 19c, ensuring ACID-compliant database updates and strong consistency across distributed telecom services.

Assisted in refactoring legacy SOAP-based services into modern REST-based microservices architecture, improving response time, scalability, and long-term system maintainability.

Implemented asynchronous processing using CompletableFuture and ExecutorService (Java Concurrency API) to efficiently handle concurrent provisioning requests without blocking core transaction threads.

Supported frontend integration for Angular 10+ applications, troubleshooting API payload mismatches, resolving CORS issues, and enhancing UI responsiveness for telecom service dashboards.

Collaborated with UI teams to validate REST endpoint contracts consumed by Angular modules, ensuring proper JSON structure and optimized data serialization.

Strengthened CI/CD pipelines using Jenkins 2.x, integrating automated JUnit 5 and Mockito test cases to maintain high code quality and reduce regression defects.

Participated in Agile ceremonies including sprint planning, backlog grooming, and technical design discussions, contributing to performance tuning and production stability initiatives.

Junior Software Engineer SVBK, Remote, India Jan 2020 – Feb 2021

Developed a full-stack academic management system using Java 8 and Spring Boot 2.x, implementing server-side business logic and exposing RESTful APIs for student enrollment, grading, and faculty administration modules.

Designed and built interactive frontend interfaces using React 16, JavaScript (ES6), HTML5, and CSS3, creating reusable components and dynamic dashboards for students and faculty users.

Implemented secure authentication flows using Spring Security 5.x and JWT, enabling role-based access control for administrators, faculty, and student accounts.

Integrated relational data using MySQL 5.7/8.x and Spring Data JPA, optimizing queries through indexing and efficient entity mappings to improve response times.

Assisted in improving UI responsiveness by implementing client-side validation logic and conditional rendering techniques in React components.

Applied foundational Java multithreading concepts to support concurrent user sessions and background tasks such as grade computation and report generation.

Automated build and deployment processes using Jenkins 2.x and Git, ensuring consistent version control and reliable staging deployments.

Collaborated with QA engineers and UI designers to debug API integration issues, analyze logs, and ensure smooth communication between React frontend and Spring Boot backend layers.

FREELANCE

AI Coder – Outlier, USA

Designed structured technical prompts and validation scenarios to evaluate Large Language Models (LLMs) on code generation, reasoning accuracy, and backend problem-solving tasks across Java and full-stack development use cases.

Developed and reviewed automated evaluation scripts using Java and Python (scripting) to validate correctness, performance, and readability of AI-generated code outputs.

Analyzed model response patterns from GPT-based (ChatGPT) systems, identifying logical inconsistencies, edge-case failures, and optimization opportunities to improve code reliability.

Contributed domain insights to enhance AI-assisted software engineering workflows, focusing on improving REST API generation quality, unit test creation, and refactoring recommendations.

Leveraged practical experience with GitHub Copilot and AI-assisted coding tools to benchmark LLM performance against real-world enterprise development standards.

SKILLS

Languages: Java 8/11/17, SQL, JavaScript (ES6+), TypeScript 4.x

Backend: Spring Boot 2.x/3.x, Spring Framework 5.x/6.x, Hibernate 5.x/6.x, Spring Security 5.x/6.x, Spring Data JPA

Frontend: React 16/17/18, Angular 10+/12+/14+, HTML5, CSS3, Bootstrap 4/5

Architecture: Microservices, RESTful APIs, Distributed Systems

Cloud & DevOps: AWS (EC2, ECS, EKS, RDS, S3), Microsoft Azure, Docker 20+/24+, Kubernetes 1.24+, GitHub Actions, Jenkins 2.x, Terraform

Databases: PostgreSQL 12+/13+/14+, MySQL 8.x, Oracle 19c, MongoDB 4.x

Testing & Tools: JUnit 5, Mockito 5.x, Maven 3.x, Gradle 7.x, Git, SonarQube, JIRA

Emerging Technologies: Generative AI (Gen AI) Integration for Enterprise Automation

EDUCATION

Master of Science in Computer Science – Rowan University, NJ, USA, 2023

Bachelor of Technology in ECE – LPU, Punjab, India, 2021

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