Keshav Mittal

Junior Java Developer

Bengaluru 1+ yrs exp 84 · Excellent

About

Junior Java Developer with experience in developing, testing, and maintaining applications using Java. Delivered high-throughput transaction services for a D2C commerce platform, improved workflow efficiency by 35–50%, and built LLM automation tools to reduce manual intervention.

Skills & Expertise (27)

Java Intermediate

6.1/10

Years Exp

Git Intermediate

6.1/10

Years Exp

CSS Intermediate

6.1/10

Years Exp

Spring Boot Intermediate

6.1/10

Years Exp

HTML Intermediate

6.1/10

Years Exp

Microservices Intermediate

6.1/10

Years Exp

RESTful services Intermediate

5.8/10

Years Exp

REST APIs Intermediate

5.8/10

Years Exp

Python Intermediate

5.4/10

Years Exp

Postgresql Intermediate

5.4/10

Years Exp

MySql Intermediate

5.4/10

Years Exp

JavaScript Intermediate

5.1/10

Years Exp

Redis Beginner

4.5/10

API Design Beginner

4.5/10

Distributed Systems Beginner

4.5/10

System Design Beginner

4.5/10

DSA Beginner

4.5/10

Docker Beginner

4.5/10

MongoDb Beginner

4.5/10

Node.js Beginner

4.5/10

REDUX Beginner

4.5/10

React.js Beginner

4.5/10

Kafka Beginner

4.5/10

Express.js Beginner

4.5/10

Golang Beginner

3.5/10

Prompt Engineering Beginner

3.5/10

Tool Beginner

2.5/10

Work Experience

Product Engineer

Razorpay

Aug 2025 - Present

Decomposed Razorpay Routes (split payments & fund routing) from a monolith into modular Spring Boot microservices, lifting request throughput by 30% and enabling zero-downtime deploys at millions-of-transactions daily scale. Engineered Razorpay Settlements services on a Kafka event-driven architecture with Redis caching, orchestrating payout scheduling and ledger reconciliation while reducing settlement processing latency by 25%. Improved production observability for Routes and Settlements with 15+ structured log events, 8 service metrics, and 4 alerting dashboards, cutting P1 / P2 merchant-issue triage time by 35%. Built reusable validation and routing helpers across 4 split-payment modules, reducing duplicate service logic and accelerating API rollouts. Shipped LLM-powered agentic workflows that automate internal engineering ops, cutting manual intervention by 50% and on-call load by 40% across 3 team workflows.

Product Engineer Intern

Razorpay

Sep 2024 - Jul 2025

Developed 6 backend APIs for Razorpay Offers (bank / card discount campaigns), supporting 3 campaign types, eligibility validation, and checkout-time discount application for merchant integrations. Raised Offers API test coverage to 85% by adding 40+ unit and integration tests across eligibility rules, discount calculations, and failure paths. Automated regression checks for 25+ Offers checkout scenarios, preventing campaign eligibility and pricing defects before merchant launches. Resolved legacy data discrepancies in transaction records via a Python AI bot, saving 40% of weekly manual engineering hours.