Nipun Jain

About Nipun Jain

I am an AWS Certified Solutions Architect – Associate with 17 years of IT experience, specializing in backend engineering and cloud-native architectures.My expertise includes:Backend & APIs: NestJS, Node.js, TypeScript (REST & GraphQL)Cloud Architecture: AWS (EKS, ECS, Lambda, S3, RDS, DynamoDB.)Kubernetes & Containers: Docker, Helm, CI/CD pipelinesEvent-Driven Systems: Kafka, AWS SQS/SNSDatabases: SQL Server, MongoDB, PostgreSQLAdditionally, I bring:Experience with automated testing frameworks (Jest) for quality assurance.Hands-on exposure to micro frontends and scalable, modular architectures.Practical knowledge of software design patterns and clean coding principles.Understanding of responsive web design, Atomic Design principles, and mobile-first development.Deep familiarity with Agile development methodologies (Scrum, Kanban).Proven experience implementing security best practices, including SAST/DAST, API security, encryption, and RBAC.Experienced in setting up monitoring and alerting systems using tools like Datadog, enabling proactive issue detection, performance optimization, and reliable SLAs.

Experience

1. Associate Director

   Marsh McLennan

   Mar 2025 — Present · Noida, IN

   Architected and delivered a modern cloud-native integration layer over a high-latency legacy.NET + SQL Server platform, enabling external consumers to interact without direct dependency on the monolith.Designed and implemented the middleware using AWS, Node.js, NestJS, MongoDB, REST APIs, Kafka, S3, and SQS, significantly improving scalability, resilience, and throughput.Solutionized multiple enterprise integrations, owning High-Level Designs (HLDs), system flows, and sequence diagrams, documented using Draw.io and Mermaid.Introduced event-driven architecture with Kafka, converting synchronous legacy workflows into asynchronous, decoupled, and fault-tolerant processes.Improved legacy MongoDB performance by designing and implementing optimized indexing strategies, reducing query latency and improving overall system responsiveness.Led integrations with internal AI/ML platforms within Marsh McLennan, enabling advanced analytics and intelligent automation capabilities within business workflows.Drove a developer productivity transformation by introducing GitHub Copilot, shifting the team from 100% handwritten code to ~80% AI-assisted code generation, accelerating delivery while maintaining code quality.Collaborated closely with product, engineering, and platform teams to align architectural decisions with business, performance, and scalability goals.

Education

• Maharaja Agrasen Institute of Technology

  B-Tech(MAE), Mechanical and Automation Engineering

  2004 — 2008

Skills

• Javascript
• Asp.net
• C#
• .net
• Microsoft Sql Server
• Requirements Analysis
• Ajax
• Asp.net Mvc