Java dev
SANJAY SAHANI
Corporate Infotech Pvt. Ltd.
14
years of professional experience
1
Certification
Results-driven Java Spring Boot Full Stack Developer with 10+ years of IT experience, including 6+ years in Java-based enterprise applications and current hands-on work with Generative AI, Spring AI, and RAG-based systems.
Strong expertise in micro-services architecture, RESTful APIs, data-driven applications, cloud deployments (AWS & Govt. Cloud), and secure coding practices (OWASP Top 10). Proven ability to build AI-powered document intelligence systems, scalable backend services, and responsive React-based frontends.
Experienced in government-grade systems, data security, high- scalability platforms, and compliance with GIGW 3.0 and DBIM guidelines.
Work History
Software Engineer
2 Years 10 Months- Designed and developed enterprise-grade micro-services using Java, Spring Boot, Spring Data JPA, and REST APIs.
- Integrated React frontend with backend APIs.
- Architected and optimized scalable REST, gRPC, and GraphQL APIs, improving performance, throughput, and system reliability.
- Built RAG-based Generative AI chat applications using Spring AI, and Ollama enabling intelligent interaction with large document repositories.
- Implemented document ingestion pipelines, metadata extraction, vector indexing, and semantic search using PostgreSQL vector databases.
- Build a Python-based automated reporting and analysis tool that extracts data from PDF and Excel files, processes and analyzes it using Pandas and NumPy, and visualizes financial money trails through clear, interactive dashboards and charts.
- Developed secure, scalable backend services compliant with Government cybersecurity and OWASP standards.
- Integrated frontend components with backend services for data-driven dashboards and portals.
- Worked on open-source platforms (DSpace & Moodle) for document and learning management customization.
- Performed API documentation, testing, and validation using Swagger and Postman.
- Collaborated with government stakeholders, auditors, and cross-functional teams during deployment and production support.
- (Ministry of Home Affairs)
Sr. Backend Developer
10 Months- Designed RESTful APIs and implemented business logic for high-performance systems.
- Integrated React frontend with backend APIs.
- Managed AWS deployments (EC2) and environment configurations.
- Optimized MySQL database performance and query execution.
- Implemented authentication, authorization, and secure data handling.
- Conducted code reviews and mentored junior developers.
Java Developer
1 Year 3 Months- Developed full-stack enterprise applications using Java, Spring Boot, and Angular.
- Built responsive UI using HTML, CSS, Bootstrap, and JavaScript.
- Implemented transactional workflows, reporting modules, and integrations.
- Deployed applications on AWS EC2 and handled production support.
- Designed optimized MySQL database schemas.
- Ensured application scalability, security, and performance.
Web Developer
4 Months- Developed web-based ERP modules using Spring Boot.
- Built backend services for student, academic, and admin operations.
- Provided on-site support and user training.
- Delhi University
PHP Developer
3 Years 6 Months- Developed dynamic websites using PHP & MySQL.
- Implemented CMS, admin panels, and client-specific solutions.
Sr. Assistant Operations
2 Years 4 Months- Supported data migration and system operations.
- Provided Oracle PL/SQL database support.
Education
Master of Computer Applications
Bachelor of Computer Applications
Skills
Languages: Java
Python
JavaScript
PHP
SQL
HTML5
CSS3
Backend: Spring Boot
Spring Security
Hibernate
JPA
FastAPI / Django
JWT
RESTful APIs
Frontend: React.js
Angular
Bootstrap
Tailwind CSS
jQuery
Database: MySQL
PostgreSQL
MongoDB
Redis
Cloud & DevOps: AWS (EC2)
Docker
Git
GitHub
Maven
CI/CD
NGC Cloud
AI & Data: Generative AI
RAG Architecture
Vector Database
Ollama
Spring AI
Pandas
NumPy
Security & Testing: OWASP Top 10
Secure Coding
Burp Suite
Postman
Swagger
Open-source System: Moodle (LMS)
DSpace (Digital repository platform)
Certification
Ethical Hacking Workshop – IIT Roorkee (Cognizance 2010)
Accomplishments
Extra Mile Stone Award – I4C (MHA) for exceptional performance and commitment.
Timeline
Software Engineer
Corporate Infotech Pvt. Ltd.
12.2023 - CurrentRead More
Sr. Backend Developer
Tripat Infoways
02.2023 - 12.2023Read More
Java Developer
Trixaim Pvt. Ltd.
10.2021 - 01.2023Read More
Web Developer
Platinumgate Technologies Pvt. Ltd.
05.2018 - 09.2018Read More
PHP Developer
Weblogix Pvt. Ltd.
10.2014 - 04.2018Read More
Sr. Assistant Operations
DIMTS Ltd.
05.2012 - 09.2014Read More
Guru Jambheshwar University of Science & Technology
Master of Computer Applications
Read More
Jamia Hamdard University
Bachelor of Computer Applications
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