Full-Stack Java Developer with Spring Boot Expertise

Harish Reddy Jangam

+1-260-***-**** ***************@*****.***

LinkedIn: www.linkedin.com/in/harish-reddy-jangam-69774b340

Professional Summary

Full Stack Java Developer with 4+ years of experience building scalable web apps using Java 8+, Spring Boot, Angular 10+, and SQL. Actively seeking opportunities to apply strong software engineering skills in a collaborative and growth-focused environment. Proven ability to deliver banking solutions with high-quality code, leveraging modern DevOps practices including Docker, Jenkins, and CI/CD pipelines. Strong communicator and agile team player focused on clean code, automation, and continuous improvement.

Technical Skills

Category

Skills

Programming

Java8,JavaScript, TypeScript, SQL, Shell Scripting, Nodejs

Frameworks

Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, JSP

Front-End

Angular, HTML5, CSS3, JavaScript, Bootstrap, JSP

Web Services

RESTful APIs, SOAP, JWT, Postman, OAuth2

Cloud & DevOps

Docker, AWS (EC2, S3), Jenkins, Maven, Git, CI/CD pipelines

Databases

MySQL, Oracle, JDBC, PostgreSQL

Testing

JUnit, Postman, Karma, Jasmine, HP Load Runner

Tools & Other

Git, Jira, Putty, Log4J, Apache POI, Agile/Scrum

Object Oriented Programming

Collections, Lists, Maps, Sets, Algorithms, Data Structures

Professional Experience

Blue Cross Blue Shield (BCBS) – USA Dec 2024 – Present

Java Developer

Project: Member Services & Claims Portal Modernization

Enhanced and optimized existing Spring Boot REST APIs for member eligibility verification, claims intake, and benefit management supporting high-volume transactions.

Integrated FHIR-based APIs to improve interoperability and comply with CMS healthcare data exchange standards.

Developed Angular components for claim history, coverage details, and Explanation of Benefits (EOB) document downloads, improving user experience.

Improved front-end performance by optimizing API calls and implementing lazy loading for complex UI modules.

Strengthened security by implementing JWT-based authentication and role-based access control using Spring Security, ensuring HIPAA compliance.

Collaborated with DevOps to automate CI/CD pipelines using Jenkins and Docker; deployed microservices on AWS ECS for scalable and reliable service delivery.

Set up monitoring and logging with AWS CloudWatch and ELK stack to increase system observability and minimize downtime.

Participated actively in daily stand-ups, sprint planning, and retrospectives, collaborating closely with cross-functional teams using Jira and Confluence.

Tata Consultancy Services (TCS) – India Mar 2022 – Apr 2023

Java Developer

Project: SBI Digital Banking Platform

Developed backend APIs in Java and Spring Boot for digital onboarding, KYC validation, and account management for India’s largest bank, serving over 50 million users.

Designed and implemented JWT-based authentication and role-based authorization using Spring Security to ensure compliance with banking regulations and data privacy.

Built and optimized SQL queries for Oracle and MySQL databases, ensuring high throughput and low latency in API responses.

Collaborated with front-end developers to integrate RESTful services into Angular and JSP applications, improving user experience and reducing latency by 15%.

Led containerization of microservices with Docker and managed deployments on AWS EC2 instances, enabling smooth scaling during peak banking hours.

Participated in daily Agile stand-ups, sprint planning, and retrospectives, contributing to user story refinement and ensuring on-time delivery.

Created comprehensive unit and integration tests using JUnit and Postman, achieving 85% test coverage and reducing bugs in production by 20%.

Automated builds and deployments using Jenkins and Maven, shortening release cycles from weeks to days.

Documented APIs and design decisions for knowledge sharing and onboarding new team members.

Delisis Informatics Pvt. Ltd – India May 2021 – Mar 2022

Java Developer

Project: Cooperative Bank Web Portal

Developed backend modules for loan processing, user registration, and secure authentication in Spring Boot, enhancing online banking services for rural customers.

Designed and implemented OTP-based login and account lockout mechanisms to prevent unauthorized access and fraud attempts.

Built RESTful services consumed by Angular front-end applications to provide seamless account management and loan tracking.

Integrated Apache POI to generate downloadable reports in Excel and PDF formats for bank officers, improving report accuracy and accessibility.

Wrote detailed JUnit test cases and participated in manual and automated testing cycles to ensure feature reliability and compliance with banking standards.

Improved system performance by optimizing database interactions and caching frequently accessed data, reducing response times by 30%.

Participated actively in Agile ceremonies, collaborating with business analysts and QA to clarify requirements and deliver high-quality features.

Projects

Member Services & Claims Portal Modernization (BCBS – USA)

Enhanced and optimized backend Spring Boot APIs and Angular front-end components for member eligibility verification and claims processing.

Integrated FHIR-based APIs to ensure compliance with CMS interoperability standards and enable secure healthcare data exchange.

Improved user experience by developing new portal features, optimizing UI performance, and implementing secure JWT-based authentication.

Collaborated with DevOps teams to automate CI/CD pipelines and deploy microservices on AWS ECS, improving scalability and reliability.

Secure Digital Onboarding API (SBI – TCS)

Architected and developed microservices enabling secure, scalable customer onboarding and KYC processing.

Designed API workflows with comprehensive role-based security using JWT and Spring Security.

Reduced onboarding time by 40% through automation and streamlined backend processing.

Loan Management System (Cooperative Bank)

Developed REST APIs to handle loan application submission, status tracking, and approval workflows.

Automated report exports in multiple formats to support bank auditing and regulatory compliance.

Integrated OTP and multi-factor authentication for improved security.

Education

Master’s in information systems: Indiana Institute of Technology May2023-May2025

Bachelor’s in computer science: Siddhartha Institute of Technology Jue2017-May2021

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