I am a results-driven Full-Stack Developer (MERN Stack) with 3+ years of hands-on experience building scalable, high-performance SaaS products in fast-paced startup environments. I specialize in taking ownership of features end-to-end—right from understanding business requirements and designing system architecture to implementing robust backend services and delivering intuitive frontend experiences.
My core strength lies in developing real-time systems, workflow automation engines, background processing pipelines, and analytics dashboards that handle large-scale data efficiently. I have extensive experience working with Node.js, React, Next.js, MongoDB, Redis, ClickHouse, and modern cloud infrastructure. I enjoy solving complex problems related to performance, scalability, and reliability, especially in systems involving high-volume data imports, event-driven workflows, and asynchronous processing.
At Three Stallions, I'm building end-to-end aviation quote and booking workflows, marketing attribution analytics, and tenant-configurable integrations across React, Node.js, GraphQL, and DynamoDB. Previously at SwipeOne, I have contributed to building critical platform features such as AI-assisted contact import pipelines, automation workflows, email campaign systems, and analytics dashboards, directly impacting thousands of active users. I am comfortable working with message queues, rate-limiting strategies, multi-region systems, and real-time event tracking, ensuring stability and observability in production environments.
Beyond technical skills, I am a quick learner and proactive problem-solver who adapts rapidly to new tools and technologies based on business needs. I collaborate closely with product, design, and engineering teams, and I value clean code, reusability, and long-term maintainability. I also actively leverage modern AI tools to improve development speed, code quality, and debugging efficiency.
I am passionate about building products that scale, automate workflows, and deliver real value to users—while continuously improving myself as an engineer.
Senior Full Stack Developer (MERN) at Three Stallions | 3+ years building scalable SaaS & aviation platforms
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Three Stallions
- Jaipur
- https://umesh-kumawat.netlify.app/
- @Royanosh
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