HELLO, I'M COLLINS RUTO
Full-Stack Software Engineer
3+ years of experience designing and maintaining scalable web applications, secure payment systems, and blockchain solutions.
Professional Experience
Software Engineer / Full Stack Developer
Eldama Ravine Education Foundation (EREF)
May 2024 – Present
- Architected an event registration and foundation management system using Next.js and Firebase, automating complex administrative workflows.
- Engineered secure payment integrations for M-Pesa (Daraja) and KCB Buni, ensuring reliable real-time callback handling and transaction reconciliation.
- Optimized application performance and SEO on Vercel, resulting in significantly faster page loads and improved search visibility.
- Collaborated in an Agile environment using PR reviews and weekly sprints to maintain high code quality.
Freelance Software Engineer
Self-employed
2022 – 2024
- Delivered full-stack applications leveraging Next.js, Node.js, and MongoDB/MySQL for diverse client needs.
- Implemented robust authentication, authorization, and protected admin dashboards to ensure data security.
- Standardized development environments across machines using Docker to streamline deployment and local testing.
- Managed the full software lifecycle, from requirements gathering with stakeholders to rapid iterative shipping.
Web Developer Lead & Treasurer
TUM Developers Club
2022 – 2024
- Directed student development teams on web and Web3 initiatives, contributing to three regional hackathon victories.
- Facilitated technical workshops on Linux administration, modern web fundamentals, and Rust smart contracts.
- Coordinated with industry partners like AWS and Google to organize community technology events.
SOFTWARE
ENGINEER
FRONTEND • SYSTEMS • BACKEND
Technical Profile
I’m a software engineer building production-ready web systems, APIs, and payment integrations. My background in Marine Engineering shapes how I approach software, with structured thinking, attention to failure modes, and accountability in real-world environments.
Product Engineering
I build web applications end-to-end: UI, data models, APIs, and deployment. My focus is on clarity, reliability, and writing maintainable code that scales.
Backend & APIs
I design REST APIs, database schemas, and background workflows. I am proficient in Node.js, Firebase, SQL/NoSQL, and serverless deployments via Vercel.
Payments & Integrations
Experienced in integrating payment systems like M-Pesa (Daraja) and KCB Buni. I handle real-time callbacks, reconciliation, and edge cases to ensure payments are dependable and secure.
Featured Projects
2025
EREF official website
2022
A NEAR protocol smart contract built with Rust for transparency in Health Suply System
2022
A template for creating near smart contracts using rust and NextJS for frontend
Technical Stack
HTML
CSS
JavaScript
PHP
Ruby
Python
GraphQL
VS Code
Sublime Text
GitHub
Stack Overflow
React
Wordpress
Ubuntu
