My Mission
Build software that lasts. I focus on systems that are easy to maintain, scale, and evolve.
Software Engineer Portfolio
I build software that is fast, reliable, and future-ready.
I am Sunni Kumar. I engineer APIs, cloud systems, and modern web apps with clean architecture and product-first thinking. My goal: create an IT brand recognized for quality and consistency.
Open for consulting and engineering roles.
Current Focus
.NET • Cloud • APIs • Product Engineering
$ designing distributed services...
$ optimizing system performance...
$ shipping production-ready software...
$ mentoring engineering teams...
About Me
Engineering solutions with business impact.
My Approach
I combine architecture discipline with delivery speed, so ideas become stable products.
My Vision
Create a respected personal brand in the IT industry by delivering excellent engineering every time.
Core Skills
Technology stack I use to build modern products.
Backend Engineering
C#, .NET Core, ASP.NET, Web API, Clean Architecture
Cloud & DevOps
Azure, CI/CD, containerized deployments, monitoring
System Design
Microservices, CQRS, event-driven workflows, scalability
Frontend & Data
React, TypeScript basics, SQL, API integration
C#.NETAzureMicroservices
Web APISQLgRPCCQRS
ReactArchitecture
Featured Projects
Selected work that solves real-world problems.
Enterprise Platform
Airport Experience Service
A digital service platform built for seamless passenger support across airport touchpoints.
Case study pendingSupply Chain Product
Warehouse Management System
Real-time inventory and operations platform improving speed, visibility, and operational decisions.
Case study pendingArchitecture Upgrade
Legacy to Microservices Migration
Modernized monolith services into scalable microservices with improved reliability and release speed.
Case study pendingBlogs
Thoughts on software engineering and architecture.
How to Design Scalable APIs for Growth
Practical patterns for contracts, versioning, and performance.
Read ArticleClean Architecture in Real Enterprise Projects
Lessons from building maintainable systems in long-lived products.
Read ArticleEngineering Habits that Improve Delivery Quality
Execution principles that make teams faster and more reliable.
Read ArticleYouTube
Developer-focused video content and explainers.
Top C# .NET Interview Questions
Fast revision for developers preparing for technical interviews.
Video coming soonWill AI Replace Software Engineers?
Honest discussion on AI, developer roles, and future skills.
Video coming soonMicroservices Best Practices
Design patterns for reliability, observability, and scale.
Video coming soonCertificates
Credentials that validate practical expertise.
Microsoft Azure Developer Associate (AZ-204)
Cloud development certification for building, deploying, and optimizing solutions on Azure.
Credential pendingAzure Fundamentals
Strong foundation in cloud concepts, Azure services, and governance basics.
Credential pendingProfessional Recognition
Awards and recognitions for technical leadership and high-impact execution.
Recognition pendingGrow Together
Join my developer community.
Connect with builders focused on growth, software craftsmanship, and career acceleration.
Let's Build
Need a software engineer for your next product?
I work on high-performance APIs, cloud products, and system modernization projects.