10+ Years Building Scalable Software
Proficient full-stack developer with deep expertise in Elixir, Phoenix LiveView, Spring Boot, Java, MongoDB & PostgreSQL — building solutions that solve clients' most challenging problems.
I'm a full-stack software engineer with over 10 years of professional experience across the complete software development lifecycle. Highly skilled working with Spring Boot, Java, Elixir, Phoenix LiveView, PostgreSQL and MongoDB to develop software solutions for complex client challenges.
Strong background in leading programming tools, algorithms, and data-processing logic — with an exceptional aptitude for problem-solving, troubleshooting, and quickly mastering new skills or technologies.
Based in Nairobi, Kenya. BSc in Applied Computer Science from Egerton University. Fluent in English and Kiswahili.
Elixir & Phoenix
Phoenix LiveView, real-time apps, WebSockets, OTP patterns, Tailwind CSS
Java & Spring Boot
Enterprise-grade backend systems, REST APIs, microservices architecture
Full-Stack & Databases
Laravel, PHP, PostgreSQL, MongoDB — end-to-end product delivery
Core technologies and expertise areas
Phoenix LiveView, OTP, real-time
Enterprise backends, APIs
Web apps, REST APIs
Data modeling, optimization
Value Chain Factory
Nairobi County, Kenya — Full-stack development and delivery of software solutions in a value-chain and logistics context.
Afristec Limited
Nairobi County, Kenya — Senior-level software development and architecture for African tech solutions.
eKRAAL Innovation Hub
Nairobi, Kenya — Led development of innovative digital solutions at one of Kenya's leading innovation hubs, spanning real-time systems, data pipelines, and scalable backends.
DewCIS Solutions Ltd
Nairobi — Backend and full-stack software development across multiple client projects. Participated in system design and architecture decisions.
KenyawebDesigners
Nairobi — Web development and web design for clients across Kenya.
Kabianga Campus
Kericho — ICT support and technical operations during undergraduate internship.
Egerton University
2010 – 2014
Kabianga High School
2006 – 2009
Showcasing real-world applications and solutions
Concurrent multi-user collaboration with live presence, notifications, and OTP-based state management using Phoenix LiveView.
High-throughput event processing system using Elixir and PostgreSQL — processing millions of events daily with sub-second latency.
Scalable enterprise microservices architecture using Java and Spring Boot with REST API integrations and complex data-processing logic.
Full-stack web apps built with Laravel and PHP, featuring complex data-processing logic and client-facing portals with MongoDB backends.
Open to exciting projects, consulting opportunities, and collaborations
koryr@live.com
Phone
0788 830 088
Location
Nairobi County, Kenya · Bomet 226 - 20400
Website
korir.me.ke