Welcome to my portfolio
Hi, I'm Jeffrey Misigo
Software engineer — I design and engineer scalable software systems with a strong emphasis on clean architecture, maintainability, and performance. I build robust backend services and modern web applications, while leveraging data-driven approaches to transform raw data into actionable insights that support forecasting, decision-making, and long-term strategic planning.
About Me
Get to know me a little better
I'm a software engineer with a strong focus on backend development, system design, and scalable architectures. I specialize in Python and JavaScript (Node.js), building robust APIs, backend services, and distributed systems that prioritize performance, reliability, and maintainability. I am particularly interested in designing systems that can scale efficiently under real-world loads, while applying clean architecture principles and modern engineering practices to solve complex technical problems.
When I'm not coding, you can find me contributing to open-source projects, writing technical blog posts, or exploring new technologies. I believe in writing clean, maintainable code and building products that make a difference.
Featured Projects
A selection of projects I'm most proud of
Pulse CRM – Client Lead Management System
A backend-driven mini CRM system for managing client leads, status tracking, follow-ups, and automated email notifications. Built with a focus on scalable system design and clean API architecture using Python and JavaScript.
County Revenue Dashboard
A Power BI dashboard for tracking county government revenue streams, budget allocations, and expenditure trends with interactive drill-down reports.
E-Commerce Platform
A full-stack e-commerce platform built with Next.js, Stripe, and PostgreSQL. Features include product catalog, cart management, and secure checkout.
API Gateway Auth Ecosystem
A distributed backend architecture project focused on secure authentication, API gateway enforcement, RBAC authorization, OAuth2 integration, Redis-powered rate limiting, and scalable microservice orchestration for multi-tenant systems.
Real-Time Chat Application
A real-time messaging application with WebSocket support, user authentication, and message encryption.
Skills
Technologies and tools I work with
Languages
Frameworks
Tools
Other
Tech Stack
Technologies I use daily
Experience
My professional journey
Financial analyst
Institute of Electrical and Electronics Engineers (IEEE) · Eldoret, Kenya
- Fund Security: Promptly depositing all revenue received (membership fees, donations, event fees) into the student branch account.
- Compliance: Ensuring all financial transactions are approved by the student branch chair and comply with IEEE bylaws.
- Record Maintenance: Facilitating a smooth transition by turning over accurate financial records to the incoming Treasurer.
- Financial Reporting & Transparency: Preparing and submitting end-of-year financial statements and ensuring all branch activities adhere to financial guidelines.
Intern (Developer)
Uasin Gishu County Government · Eldoret, Kenya
- Supported critical technical infrastructure, system maintenance, and administrative digital workflows to ensure operational continuity, system reliability, and efficient day-to-day institutional processes.
- Assisted in software deployment, system troubleshooting, and internal technology optimization.
- Collaborated in maintaining IT environments through hardware/software support, network functionality assistance, and structured technical problem-solving across departments
- Managed data records, supported digital documentation systems, and contributed to process digitization initiatives.
Junior Developer
University of Eldoret · Eldoret, Kenya
- Developed responsive websites and web applications for clients across e-commerce, healthcare, and education sectors.
- Wrote clean, well-tested code with Jest and React Testing Library, maintaining 90%+ code coverage.
- Optimized frontend performance through lazy loading, code splitting, and image optimization techniques.
- Participated in agile ceremonies and contributed to continuous improvement of team development workflows.
- Collaborated with junior developers through code reviews, pair programming, and weekly knowledge-sharing sessions.
Events
Tech events and conferences I've attended
Google DevFest Eldoret 2024
Annual developer festival organized by GDG Eldoret featuring talks on AI/ML, web, cloud, and mobile development.
Key Takeaways
- Hands-on codelab on building with Gemini API and Vertex AI
- Best practices for deploying ML models to production with GCP
- Networking with 200+ developers from the Rift Valley tech community
Kimbia Eld - World Kidney day run
Eldoret largest athelete organization that organizes runs and marathons in Eldoret and the greater rift valley region. I participated in the world kidney day run organized by Kimbia Eld to raise awareness about kidney health and support local healthcare initiatives.
Key Takeaways
- Discussion on the importance of kidney health and early detection of kidney disease
- Participated in a 5K run with over 200 participants from the local community
- Connected with local healthcare professionals and organizations working to improve kidney health in the community
Payhero - University of Eldoret Hackathon
The payhero hackathon was an 8-hour event organized by the University of Eldoret in partnership with Payhero, a leading fintech company in Kenya. The hackathon challenged participants to build innovative solutions for financial inclusion using Payhero’s APIs.
Key Takeaways
- Built a prototype of a matatu app that allows users to pay for transportation using mobile money, improving accessibility for unbanked populations
- Collaborated with a team of 4 developers to create a functional MVP within the 8-hour timeframe which secured 1st place in the hackathon and a cash prize of 20,000 KES
- Met Intellectual property Management experts who provided insights on how to protect and commercialize our hackathon project, leading to the decision to pursue further development and potential startup formation around the matatu app concept
IEEE Xtreme 18.0 Programming Competition
A 24-hour global competitive programming challenge organized by IEEE, solving algorithmic problems under time pressure.
Key Takeaways
- Sharpened skills in dynamic programming and graph algorithms
- Effective team coordination under extreme time constraints
- Exposure to real-world problem-solving scenarios