Rishabh Sethia

Software Engineer with 5+ years of experience designing and building scalable backend systems for fintech and digital platforms. Most recently at Paytm, and previously at ET Money and TechTree IT Systems, where I contributed to high-availability, business-critical products serving large user bases and transaction volumes.

My expertise lies in backend engineering, distributed systems, and cloud-native application development using Java, Spring Boot, Microservices, Kafka, Redis, SQL, Docker, Kubernetes, and AWS. I have hands-on experience designing and developing RESTful APIs, optimizing system performance, improving reliability, and building scalable architectures that support growing business needs.

Core Expertise:
• Java, Spring Boot, Microservices, REST APIs
• Kafka, Redis, Distributed Systems
• SQL, Database Design & Query Optimization
• Docker, Kubernetes, CI/CD Pipelines
• AWS Cloud Services
• Multithreading, Design Patterns, Object-Oriented Design
• System Design, Scalability & Performance Engineering

I possess a strong foundation in Data Structures and Algorithms, enabling me to solve complex engineering problems efficiently and build maintainable, high-quality software systems.

Notable Achievements:
• CodeStudio Expert with a rating of 12,262
• LeetCode rating of 1,438
• Google Kick Start 2021 – Ranked 1,367 among 20,000+ participants

I enjoy solving challenging backend and distributed systems problems, collaborating with cross-functional teams, and delivering solutions that create measurable business impact. I am particularly interested in large-scale systems, platform engineering, cloud technologies, and performance optimization.

Currently exploring SDE- 3, Senior Software Engineer, Lead Software Engineer, and Platform Engineering opportunities where I can contribute to building reliable, scalable, and high-performance systems.