Senior Software Engineer | Tech Lead | Cloud & Integration Architecture
tonny.wachira@gmail.com · +1 (470) 593-5450 · LinkedIn · thekimamo.com
Senior Software Engineer and technical leader with 20+ years in software and technology, including 10+ years building and modernizing high-traffic enterprise platforms across logistics and payments. Deep full-stack and integration expertise spanning C#/.NET Core, TypeScript, React, Node.js, Python, Microsoft SQL Server, Oracle, PostgreSQL, Azure, AWS, APIs, Boomi, and CI/CD. Experienced leading 5–6 person engineering teams, modernizing customer integration architecture, migrating self-hosted workloads to Azure, and delivering platforms serving 100K+ users.
Architecture: Distributed/Enterprise Applications, API Architecture, Integration Architecture, Clean Architecture
Backend: C#, .NET Core, ASP.NET, Node.js, REST APIs, Authentication, Business Logic
Frontend: TypeScript, JavaScript, React, Redux, HTML5, CSS3
Data: Microsoft SQL Server, Oracle, PostgreSQL, SQL
Integration: Boomi, Enterprise Integration, Customer Onboarding, Third-Party APIs
Cloud / DevOps: Azure, AWS, Azure SQL, Azure Functions, Azure DevOps, Jenkins, Git, CI/CD
Engineering: TDD, Agile/Scrum, Code Reviews, Production Support, Performance & Reliability
AI / Data: Claude Code, GitHub Copilot, Data Science, Deep Learning
Atlanta & Nairobi
Houston, TX
Atlanta, GA
Alpharetta, GA
Atlanta, GA
Software Developer / .NET Developer / Support Specialist — AT&T / Accenture, American Software / Beazer Homes, A-1 Home Services, Northrop Grumman / CDC, Georgia-Pacific, Unisys / GSA, ADP, AT&T, East Tennessee State University, and Knoxville College | 1999–2010
Mercer University · 2015 — Graduated with honors; Order of Engineers
Knoxville College · 2001 — Presidential List Scholar
Microsoft · 2022
Johns Hopkins University / Coursera · 2026
Udacity / Pluralsight · Ongoing