Sunil K.

About Sunil K.

I’m a Software Architect with 20+ years of experience designing and building scalable, cloud-native enterprise systems. I specialize in delivering high-performance applications across distributed environments and remain hands-on in both backend and modern web UI development. I help organizations modernize legacy platforms, adopt cloud-native architectures, and build reliable systems that scale with business growth. Core Expertise Cloud Architecture: Azure & AWS (certified) Microservices & Distributed Systems API-first and Event-Driven Architectures Domain-Driven Design CQRS, and Event Sourcing Modern Database Design (SQL & NoSQL) Data Partitioning and Distributed Transaction Patterns Containerization: Docker, Kubernetes CI/CD, DevOps, and Release Automation Observability, Monitoring, and Performance Optimization Web UI Architecture (Angular, React, modern frontend design)Software Testing Principles and Practices, including mocking, test doubles, scenario-based test design, and assertions Technical Stack.NET /.NET Core, C#, ASP.NET Core, Web API, Python (Flask, FastAPI), REST & GraphQL APIs, Microservices architecture, Event-driven systems, Message brokers & queuing systems (Azure Service Bus, RabbitMQ, Kafka), SQL Server, PostgreSQL, MongoDB, Redis (caching & distributed data), Angular, React, JavaScript, TypeScript, HTML5, CSS3, Docker, Kubernetes, containerized deployments, Cloud platforms: Azure & AWS, CI/CD pipelines, Git, Azure DevOps, GitHub Actions AI Experience Hands-on experience building Generative AI solutions, including: Retrieval-Augmented Generation (RAG) AI Agents and prompt engineering Focused on delivering practical, production-ready AI use cases in enterprise environments Key Strengths End-to-end architecture across cloud, microservices, backend, and modern web UI Hands-on experience building scalable, high-performance enterprise systems Strong expertise in Azure & AWS cloud-native architectures Designing and delivering microservices-based distributed systems Focus on system reliability, observability, and performance optimization Practical experience with modern data platforms (SQL & NoSQL) Exposure to Generative AI (RAG, LLM-based solutions) in enterprise use cases I’ve worked across industries including IT, Aviation, Manufacturing, Retail, and Smart Metering, consistently delivering solutions that improve scalability, resilience, and time-to-market.

Experience

1. Principal Software Engineer

   Pitney Bowes

   May 2021 — Present · Omaha, NE, US

Education

• Kurukshetra University

  Master of Computer Applications (MCA), Computer Science

  2001 — 2005