Sr. Java Developer (Spring Boot, AWS, React)

Neeraj Soni

Sr. Java Developer Java Spring Boot Hibernate/JPA AWS ReactJS

OpenAI API Integration

Contact: +91-894*******

Email: *************@*****.***

LinkedIn Profile: https://www.linkedin.com/in/neeraj-soni-ab088a1ab/ Location: Jaipur

Professional Summary

Sr. Java Developer with 9+ years of experience delivering enterprise-grade web applications using Java 8/17, Spring Boot, AWS, ReactJS, MySQL and PostgreSQL. Experienced in leading teams of up to 10 developers, driving architecture decisions, designing scalable REST APIs, optimizing application performance, and delivering high-quality software solutions across Taxation, SportsTech, Fantasy Gaming, and Construction domains. Strong expertise in backend architecture, database optimization, Agile delivery, and mentoring engineering teams. Core Competencies: Technical Leadership, Spring Boot Development, REST API Design, Database Optimization, Performance Tuning, Team Mentoring, Agile Delivery, Stakeholder Management, Code Review & Quality Governance, Deployment and Production code management Technical Skills

Programming Languages: Java 8, Java 17, SQL, JavaScript, TypeScript Backend Technologies: Spring Boot, Spring MVC, Spring Security, Hibernate, JPA Architecture & Design: Monolithic, Microservices, Event-Driven Architecture, REST APIs Messaging: Kafka

Databases: Oracle, PostgreSQL, MySQL

Cloud & DevOps: AWS, GitHub actions

AWS services: S3, CloudFront, EC2, RDS Aurora, S3 for file storage, Route 53, ACM, CloudWatch Frontend: ReactJS, Ant Designs

AI technology: OpenAI API Integration, Generative AI Applications, Prompt Engineering Build Tools: Maven, Gradle

Version Control: Git

System Monitoring and Logging: Grafana

Quality Tools: SonarQube

Project Management: JIRA, Swagger/ OpenAPI

Methodologies: Agile, Scrum, SDLC

Professional Experience

Sr. Java Developer Giftrix Technologies (Buildsaathi) Jan 2026 – June 2026

• Leading end-to-end development of BuildSaathi platform serving vendors and construction stakeholders.

• Managing a team of 5 developers and driving technical architecture decisions.

• Designed scalable backend services using Java 17, Spring Boot, Hibernate, and PostgreSQL.

• Developed RESTful APIs for seamless interaction between frontend applications and OpenAI services.

• Implemented secure API key management, request validation, and response processing for AI-driven workflows.

• Optimized prompt design and response handling to improve accuracy and user experience.

• Conducting code reviews, architecture reviews, and mentoring engineers.

• Collaborating with business stakeholders to define product roadmap and technical requirements.

Projects:

buildsaathi.com

vendor.buildsaathi.com

Sr. Java Developer Synarion IT Solutions Pvt. Ltd. Nov 2021 – Oct 2025

• Led development efforts across 5 enterprise products in SportsTech, Fantasy Gaming and HRMS domains.

• Managed a team of 10 developers while contributing to architecture and backend design.

• Developed scalable monolithic and microservice-based applications using Spring Boot and ReactJS.

• Designed REST APIs supporting high concurrent user traffic.

• Improved database performance by 50% through query optimization and schema tuning.

• Established coding standards and code review practices improving maintainability.

• Collaborated closely with product owners and stakeholders to deliver business-critical features.

Projects:

twikkie.com

sportasy.in

boom11

cricx.me

Career Break – Independent Trading & Investments

Feb 2018 – Oct 2021

• Pursued full-time stock market trading and investment activities.

• Focused on equity market research, technical analysis, and portfolio management.

• Continued self-learning and technology upskilling during this period. Java Developer TATA Consultancy Services

Feb 2013 – Jan 2018

• Developed and maintained enterprise taxation applications for government clients.

• Implemented modules for taxpayer registration, return filing, assessments, and refunds.

• Worked extensively with Java, Spring Framework, JSP, and Oracle Database.

• Participated in requirement analysis, development, testing, and production support.

• Delivered critical functionalities supporting thousands of taxpayers. Projects:

kra.go.ke

rajtax.gov.in

ctax.jharkhand.gov.in

Key Achievements: REST API, Performance Optimization, Backend Development, client Meetings and functionality presentation

Education

B.Tech. in computer science and engineering(2008-2012) – 62% Swami Keshvanand institute of technology, Jaipur,Rajasthan. Senior Secondary(2006-2007) – 76%

Maheshwari School, Jaipur

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