Manan Khandelwal

Executed full-stack development across mobile engineering, backend services, and AI innovation.

Delivered production-grade solutions utilizing Flutter, Dart, Java, NestJS, and MongoDB on AWS and Azure.

• Developed and maintained a cross-platform mobile application with Flutter and Dart.
• Created backend services in Java with cloud component deployments on AWS.
• Contributed to UI/UX design, API development, and cloud infrastructure for full-stack features.
• Supported enterprise data migration using MongoDB and Java for high-scale financial systems.
• Modernized legacy systems by optimizing data workflows for enhanced performance.
• Integrated GenAI and agentic AI solutions into enterprise applications using MCP and Azure AI Foundry.

• Designed, developed Job Posting module from scratch at Monster(conversion from legacy application to sprint boot java based) and lead a team of 10 devs
• Revamped complete architecture from current in-house applications to Cloud based applications using azure kubernetes cloud(kubernetes, ingress, various api gateways such as kong API, Zuul etc). Solved various complexities related to old architecture and the new one as some components of old were to be removed incrementally.
• Evaluated and adopted new technologies to address changing industry needs to Rewrite various legacy modules from perl to java.
• Revamped Email & SMS service from old legacy code to scalable and fast messaging queue based solution.
• Also worked on spring cloud config, netflix, eureka etc.
• Wrote a new resume parser at monster as a POC for upcoming improvements in Sign Up process.

Hands on Development in Java , Spring Boot to design & develop highly scalable and robust applications.

Developed Expense Management Solution, Invoice Management and a Cards system from scratch in past one year at Enkash .

Experience AWS managed services like Elastic-cache, SNS, SES, EC2, ECS, RDS, KMS, S3, Cloudfront.

Expertise in writing Generic & reusable code .

Developing Invoicing Solution from scratch to collect payments and rentals from customers using Java, Spring Boot , MongoDb.

Scaling the On-boarding Platform of Payu Payments and automating the same to reduce manual efforts of customer support and on-boarding team.

Designing Architecture and database Structure of applications like Invoicing , On-boarding, Settlements of PayuMoney

Managing a team of two developers .

Rewriting Citrus Payment Gateway end to end with a completely new tech stack.(vert.x ,java 8, mongoDb, Aerospike ).
Citrus Payments using Spring ,Java, ResT-based Services and Mysql.

Solving the issue of back and refresh while a user makes payment and is directed to Payment Gateway by storing states in redis and comparing it with the valid automata designed for back and refresh.

Working on solving page loading time issues (Redis, Threading, Key migration.

Working on Oracle Application Banker On the Go for 10 months in Java and Oracle DB . Built an installer for the same application in Java Swing.

Developed an Image recognition software using Matlab