Full stack developer with 10+ years of experience designing, developing, and deploying scalable applications using .NET Framework & Core, Angular, React, and Azure. Specializes in cloud-native development, microservices architecture, SPA frameworks, DevOps, distributed systems, and AI-assisted workflows with Microsoft Semantic Kernel. Familiar with AI-assisted engineering and agentic AI systems using tools and frameworks such as GitHub Copilot, ChatGPT, Claude, and Microsoft Semantic Kernel, applying LLM orchestration, prompt engineering, tool-calling agents, contextual memory, retry/fallback strategies, and observability, only used where appropriate as part of modern production ready development workflows. Proficient in applying clean code principles, DDD/CQRS patterns, and agile collaboration within international, cross-functional teams.…

Johnny Iverson Kikambi

Full stack developer with 10+ years of experience designing, developing, and deploying scalable applications using .NET Framework & Core, Angular, React, and Azure. Specializes in cloud-native development, microservices architecture, SPA frameworks, DevOps, distributed systems, and AI-assisted workflows with Microsoft Semantic Kernel. Familiar with AI-assisted engineering and agentic AI systems using tools and frameworks such as GitHub Copilot, ChatGPT, Claude, and Microsoft Semantic Kernel, applying LLM orchestration, prompt engineering, tool-calling agents, contextual memory, retry/fallback strategies, and observability, only used where appropriate as part of modern production ready development workflows. Proficient in applying clean code principles, DDD/CQRS patterns, and agile collaboration within international, cross-functional teams.…

Available to hire

Full stack developer with 10+ years of experience designing, developing, and deploying scalable applications
using .NET Framework & Core, Angular, React, and Azure.
Specializes in cloud-native development, microservices architecture, SPA frameworks, DevOps, distributed
systems, and AI-assisted workflows with Microsoft Semantic Kernel.
Familiar with AI-assisted engineering and agentic AI systems using tools and frameworks such as GitHub
Copilot, ChatGPT, Claude, and Microsoft Semantic Kernel, applying LLM orchestration, prompt engineering,
tool-calling agents, contextual memory, retry/fallback strategies, and observability, only used where
appropriate as part of modern production ready development workflows.
Proficient in applying clean code principles, DDD/CQRS patterns, and agile collaboration within
international, cross-functional teams.

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Language

English
Fluent
German
Intermediate

Work Experience

FULL STACK DEVELOPER (.NET CORE | ANGULAR) at DEINZER + WEYLAND GMBH | RENSA FAMILY
September 4, 2023 - April 30, 2025
Backend Stack: ASP.NET Core Web API, Azure Functions, Blazor, Docker, TestContainers Frontend Stack: Angular 18, TypeScript, NgRx, RxJS, Sass, CSS Databases: MSSQL, CosmosDB, SQLite, Azure SQL Cloud Infrastructure (Azure) & DevOps: Azure API Management, Container Apps, Function Apps, Event Grid, Key Vault, Azure Data Factory, Synapse, Event Hubs, Service Bus, Blob/File/Queue/Table Storage, Azure DevOps, SonarCloud Data Visualization & Analytics: Power BI Key Contributions: • Automated infrastructure provisioning using PowerShell, Bicep, ARM (JSON), and YAML scripts. • Designed and implemented scalable microservices using ASP.NET Core APIs and Azure Functions. • Built rich Single Page Applications (SPAs) with Angular 18 and Blazor. • Employed Domain-Driven Design (DDD) and CQRS for robust event-based architecture and traceability • Containerized services with Docker and deployed using Azure Container Apps. • Collaborated with cross-functional teams in code reviews, and knowledge sharing to enhance team efficiency, applied Agile, and maintained code quality using SonarCloud.
FULL STACK DEVELOPER (.NET FRAMEWORK & CORE | ANGULAR) at ALBERT.ING GMBH
May 1, 2020 - April 30, 2023
Backend Stack: ASP.NET, ASP.NET Core, Web API, IdentityServer4, NHibernate, Dapper Frontend Stack: Angular 10–14, TypeScript, RxJS, jQuery, Sass, CSS Database: Firebird Continuous Integration and Continuous Deployment | Delivery: Jira, Bitbucket, Sourcetree, Git Key Contributions: • Implemented multi-tenant microservices using ASP.NET Framework & Core and Web API, integrated with IdentityServer4 for secure authentication and authorization. • Designed dynamic Single Page Applications (SPAs) with Angular (10–14), improving client-side interactivity and responsiveness. • Utilized NHibernate and Dapper as ORM tools to streamline data access layers. • Managed project workflows and version control using Atlassian tools including Jira, Bitbucket, Sourcetree and Git. • Participated in agile development, code reviews, and knowledge sharing to enhance team efficiency and maintain code quality.
FULL STACK DEVELOPER (.NET FRAMEWORK & CORE | ANGULAR) at PRO CARE MANAGEMENT GMBH
October 2, 2017 - April 30, 2020
Backend Stack: WCF, ASP.NET Framework & Core, Web API, MVC 4/5/6, SignalR, gRPC, ADO.NET, Entity Framework (EF & EF Core), Dapper, GraphQL, Elasticsearch, TestContainers Frontend Stack: Angular 5–8, TypeScript, Kendo UI, jQuery, RxJS, Sass, CSS Microsoft & Database: BizTalk, MSSQL Cloud & Containers: Microsoft Azure (SaaS), Docker, Kubernetes Continuous Integration and Continuous Deployment | Delivery: Azure DevOps, Jira, Confluence, Bitbucket, Git, Bamboo, SourceTree, Trello Key Contributions: • Developed scalable, real-time, and service-oriented applications using ASP.NET Framework & Core, SignalR, gRPC, and GraphQL. • Built and maintained SPAs using Angular 5–8, integrated with Kendo UI components. • Integrated BizTalk for enterprise application integration and messaging workflows. • Implemented search-driven experiences with Elasticsearch. • Applied Domain-Driven Design (DDD) to ensure clean and maintainable architecture. • Delivered containerized solutions using Docker, deployed via Azure (SaaS). • Actively participated in CI/CD pipelines with Azure DevOps and managed collaboration through Atlassian tools.
FREELANCER (PROTOTYPE PROJECTS) at BLUECUBE
January 1, 2010 - Present
Frontend Stack: Angular 2–21, Angular Material, NgRx, SignalR, React, Next.js, Vue, GoJS, Three.js, TypeScript, HTML5, CSS3, Sass, Tailwind CSS, Bootstrap Backend (JavaScript) & Build Tools: Node.js, Express.js, npm, npx, Vite, Nx, Angular CLI, Gulp Authentication & Security: Keycloak (SSO, OAuth2, OpenID Connect, role-based access), IdentityServer Backend (.NET) Stack: WPF, WCF, ASP.NET, Blazor, SignalR, MediatR, Wolverine + Marten, MassTransit, Entity Framework, gRPC, GraphQL, RabbitMQ, Redis, Xamarin, Microsoft Semantic Kernel Cloud & DevOps: Azure, Docker, Kubernetes, TestContainers Databases: MSSQL, Postgres, MongoDB, SQLite UI & Visualization: D3.js, Google Chart Tools, Highcharts Data Analysis & Simulation: R, Simcap+ Key Contributions: • Delivered high-performance Single Page Applications (SPAs) and Progressive Web Apps (PWAs) using Angular, React and Next.js. • Built secure authentication and role-based access using Keycloak, IdentityServer. • Developed full-stack prototypes and applications using .NET Core, ASP.NET, Blazor, Node.js, and Azure. • Implemented end-to-end testing with Cypress and automated CI/CD pipelines. • Created cross-platform desktop and mobile apps with WPF, WCF, and Xamarin. • Designed interactive visualizations and dashboards with D3.js, Highcharts, and Google Chart Tools. • Performed statistical modeling, simulations, and data analysis using R and Simcap+. • AI & LLM Integration: Designed and implemented production-oriented AI agent architectures leveraging Microsoft Semantic Kernel and LLM reasoning workflows, including planner/reasoner separation, secure tool orchestration, prompt-driven decision pipelines, contextual memory management, agent replay/debugging systems, Redis caching, telemetry instrumentation, timeout/retry policies, and resilient fallback handling. • Built event-driven AI microservices using RabbitMQ, MassTransit, Wolverine, and Marten projections to process real-time market events and generate structured financial insights with low latency asynchronous workflows and observable distributed processing pipelines.

Education

Bachelor of Computer Science at Mbarara University of Sciences and Technology
September 1, 2004 - January 1, 2009
MASTERS OF HIGH INTEGRITY SYSTEMS at Frankfurt University of Applied Sciences
October 1, 2010 - March 1, 2013

Qualifications

Add your qualifications or awards here.