Rohan P.

Rohan P.

India
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About Me

Results-oriented Senior Java Backend Engineer with 5+ years of experience designing and developing high-performance, production-scale backend systems and microservices architectures. Deep expertise in Java, Spring Boot, Elasticsearch/OpenSearch, REST APIs, AWS cloud infrastructure, and distributed systems. Proven track record in performance engineering, search optimization, data structures & algorithms, and building resilient customer-facing applications. Strong focus on system design, cloud deployment (AWS EC2, Lambda, RDS), CI/CD pipelines, and scalability for high-throughput, low-latency services.

Frontend

React Native React.js

Backend

REST APIs Java Spring Boot

Database

MongoDB MySQL

DevOps

CI/CD Docker

Workflow

Postman Git

Other

Kafka Design Patterns Performance Engineering System Design Microservices SQS ActiveMQ Clickhouse Golang Hibernate

Work history

Cloud-Native FinOps & Cost Optimization Platform
2023 - 2026 (3 years)
Remote

  • Developed and optimized Spring Boot microservices, improving API responsiveness by 30% using Reactive Spring and designed real-time budget alert system.

  • Optimized ClickHouse billing queries, reducing latency by 35% and built SQS FIFO-based processing for event workflows.

  • Automated AWS metadata ingestion improving reporting accuracy, delivered Slack & Email-based reporting pipelines, and deployed microservices on AWS EC2 and Lambda with auto-scaling, load balancing, and CloudWatch monitoring.

Spring BootClickhouseSQS AWS EC2LambdaCloudWatch
Digital Operations & Inventory Management Platform
2022 - 2023 (1 year)
Remote

  • Built a digital operations platform supporting inventory workflows, search, and distributed backend services, with a hybrid mobile interface.

  • Developed REST APIs using Spring Boot and implemented MongoDB full-text search and Elasticsearch for advanced search capabilities.

  • Designed backend microservices, Developed React Native mobile UI, Ensured authentication using JWT security, Reduced backend latency by 30%.

REST APIs Spring BootMongoDBElasticsearch React NativeJWT
Enterprise Messaging & Backend Services Platform
Java Developer
2021 - 2021
Remote

  • Worked on backend services supporting event-driven applications and microservices communication.

  • Built and enhanced Java-based APIs.

  • Implemented Kafka & ActiveMQ messaging layers, Improved pipeline stability & resiliency, Followed SDLC & deployment standards.

JavaKafkaActiveMQ

Education

Education
Bachelor of Technology — Information Technology
Institute of Technology, Nirma University