Kelvin Barnes
@kelvinbarnes
Senior Full Stack Engineer specializing in cloud-native, AI-enhanced systems.
What I'm looking for
I am a Senior Full Stack Engineer with 10+ years delivering high-performance, cloud-native applications across fintech, SaaS, and enterprise platforms.
I build scalable backend services using C#/.NET Core, ASP.NET, and NestJS, and craft modern frontends with React and Next.js, emphasizing microservices, event-driven architectures, and production-grade observability.
I have integrated AI features using ML.NET and Azure Cognitive Services to improve user engagement and reduce risk, and I manage CI/CD pipelines, container orchestration on AKS, and infrastructure-as-code with Terraform.
I mentor engineers in clean architecture and full-stack best practices, and I consistently deliver user-focused solutions that balance technical precision with business value.
Experience
Work history, roles, and key accomplishments
Designed and deployed .NET 7 and NestJS microservices on AKS with Terraform, integrated Azure Cognitive Services and ML.NET to boost customer engagement by 18%, and reduced MTTR by 40% through improved observability.
Full Stack Developer
Luxoft
May 2016 - Sep 2020 (4 years 4 months)
Led migration of .NET monoliths to .NET 6 and NestJS microservices for fintech platforms, integrated ML.NET anomaly detection to cut transaction risk by 22%, and improved API response times by 30% via query and caching optimizations.
Full Stack Developer
Milliman Inc
Dec 2013 - Mar 2016 (2 years 3 months)
Built ASP.NET Core and Angular retail ERP modules, migrated services to Azure reducing infra costs by 20%, and implemented an Azure ML–backed recommendation engine that increased cross-sell revenue by 12%.
Frontend Developer
TechMD
Aug 2012 - Nov 2013 (1 year 3 months)
Delivered interactive B2B web apps using AngularJS and React, created a reusable component library that cut frontend development time by 15%, and improved page load times by 20% through performance optimizations.
Education
Degrees, certifications, and relevant coursework
Washington Technology University
Bachelor's Degree, Computer Science
2008 - 2012
Completed a Bachelor's degree in Computer Science with coursework and projects focused on software engineering, web development, and cloud-native architectures.
Tech stack
Software and tools used professionally
Google Tag Manager
Postman
Power BI Embedded
Microsoft Azure
GitHub
RxJS
Kubernetes
Docker Compose
Azure Kubernetes Service
Jenkins
GitHub Actions
Azure Pipelines
DB
MySQL
PostgreSQL
MongoDB
Gmail
.NET Core
Next.js
NestJS
.NET
ASP.NET Core
Tailwind CSS
BEM
Redis
Terraform
Visual Studio
Azure DevOps
Jira
Backbone.js
SuperTest
AngularJS
React Query
Lerna
Webpack
JavaScript
HTML5
ASP.NET
Serilog
Blazor
Azure Machine Learning
TypeORM
iOS
GraphQL
SignalR
gRPC
Azure Functions
pytest
OAuth2
sso
Firefox
dockerized
Toolkit
ML.NET
Time Analytics
Optimizely
SQL
NgRx
Nx
Playwright
Cosmos
Availability
Location
Authorized to work in
Job categories
Skills
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