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I'm Rajat Dabas, a Software Engineer focusing on building and deploying AI-powered backend systems. I design scalable backend architectures using Python and Java, and I love distributed systems, event-driven design, and production-grade LLM integration. With hands-on experience across AWS, Kafka, Elasticsearch, and microservices, I enjoy turning complex problems into robust, observable systems and collaborating across teams to ship reliable software.…I'm Rajat Dabas, a Software Engineer focusing on building and deploying AI-powered backend systems. I design scalable backend architectures using Python and Java, and I love distributed systems, event-driven design, and production-grade LLM integration. With hands-on experience across AWS, Kafka, Elasticsearch, and microservices, I enjoy turning complex problems into robust, observable systems and collaborating across teams to ship reliable software.

Rajat Dabas

Back-End Developer, Web Developer, Full Stack Developer, +2

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I'm Rajat Dabas, a Software Engineer focusing on building and deploying AI-powered backend systems. I design scalable backend architectures using Python and Java, and I love distributed systems, event-driven design, and production-grade LLM integration. With hands-on experience across AWS, Kafka, Elasticsearch, and microservices, I enjoy turning complex problems into robust, observable systems and collaborating across teams to ship reliable software.…I'm Rajat Dabas, a Software Engineer focusing on building and deploying AI-powered backend systems. I design scalable backend architectures using Python and Java, and I love distributed systems, event-driven design, and production-grade LLM integration. With hands-on experience across AWS, Kafka, Elasticsearch, and microservices, I enjoy turning complex problems into robust, observable systems and collaborating across teams to ship reliable software.

Available to hire

I’m Rajat Dabas, a Software Engineer focusing on building and deploying AI-powered backend systems. I design scalable backend architectures using Python and Java, and I love distributed systems, event-driven design, and production-grade LLM integration.

With hands-on experience across AWS, Kafka, Elasticsearch, and microservices, I enjoy turning complex problems into robust, observable systems and collaborating across teams to ship reliable software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer at Paytm

January 1, 2025 - Present

Designed and enhanced a Java/Spring Boot-based distributed rate-limiting system for an accounting microservice, implementing four adaptive sleep strategies to handle 10x traffic spikes while maintaining 99.9% availability. Built and deployed MCP servers and AI-powered chatbots using Python, LangChain, Vercel SDK, integrating OpenAI APIs to automate workflows and reduce external API dependency by 99%. Owned end-to-end backend implementation for summary, listing, and settlement APIs powering the Full Swipe Offer feature, consuming Kafka events and persisting data in Elasticsearch, MySQL, and TimescaleDB with optimized indexing for fast analytics. Migrated 10+ high-traffic APIs from JSON to Protobuf, reducing payload size by 35%, lowering latency by 15%, and improving server throughput by 20%.