Available for opportunities

Evans Mogeni

>
Nairobi, Kenya

Full Stack Software Engineer with 4+ years of end-to-end product delivery across fintech, enterprise SaaS, and mobility platforms. Experienced building scalable backend APIs, cross-platform mobile apps, and modern web frontends — from database design and API architecture to UI implementation and cloud deployment.

“Debugging becomes significantly easier if you first admit that you are the problem.”

4+

Years Experience

20+

Projects Delivered

10+

Technologies

Download Resume
Evans Mogeni
4+ Years
★ Top Rated

Expertise

Technical Skills

Technologies and tools I use to build scalable, production-ready software.

</>Frontend Dev
Frameworks & Runtime
Next.js
React
React Native
Angular
Flutter
TypeScript
Languages
HTML
CSS
SASS/LESS
Dart
>_Backend Dev
Frameworks & Runtime
Node.js
Django
Flask
Express
FastAPI
Express.js
Nest.js
Spring Boot
Languages
TypeScript
JavaScript
Python
PHP
Java
Kotlin
Game DevGame Engine
Unity
Payment IntegrationsIntegrated Platforms
Stripe
M-Pesa
PayPal
Libraries
React.js
Ethers.js
Web3.js
Tailwind CSS
Headless UI
Swiper
Moralis
Json Web Tokens
GraphQL
Prisma
TypeORM
Database & Cache
PostgreSQL
MySQL
MongoDB
Firebase
SQLite
Redis
Infrastructure
Docker
Version Control
GitHub
GitLab
Hosting
Vercel
Render
Railway
Google Cloud
GitHub Pages
Heroku
CI/CD
GitHub Actions
GitLab CI
EAS
Testing & QA
Selenium
Postman
Unit Testing
Automated Testing
Tools
Figma
Jira
Trello
ClickUp
Nx
Methodologies
Agile
Scrum

Career

Professional Experience

Recent roles and impact — latest positions shown in full; earlier experience available on expand.

Nairobi, Kenya

Leading frontend architecture for transport management platforms, translating complex UI/UX wireframes into scalable, production-ready applications.

  • Leading frontend architecture for transport management platforms, translating complex UI/UX wireframes into functional, interactive applications.
  • Collaborating with backend engineers to define flexible architectures and integrate booking and payment services via REST and GraphQL APIs.
  • Optimizing web applications for maximum speed and scalability, improving system reliability and customer experience metrics.
  • Implementing component architecture best practices to ensure code reusability and maintainability across the payment integration platform.
React.jsNext.jsTypeScriptGraphQLREST APIsPayment Systems
Nairobi, Kenya

Architected NestJS/Node.js fintech services and led a BNPL feature that increased partner merchant transactions by 40%.

  • Architected and owned NestJS/Node.js backend services including wallet engine, salary advance workflows, and withdrawal APIs.
  • Led design implementation and technical feasibility analysis for a Buy Now, Pay Later (BNPL) feature, driving a 40% increase in merchant transactions.
  • Developed responsive, reusable UI components using React.js and React Native, building a scalable code library for future fintech projects.
  • Integrated complex financial and loan APIs to ensure compliance and automate disbursements.
  • Integrated third-party signing platforms (DocuSign JWT Grant, PandaDoc) into backend services for multi-role sequential document signing workflows.
  • Implemented automated end-to-end testing frameworks, reducing production issues by 30% and ensuring cross-browser compatibility.
NestJSNode.jsReact.jsReact NativeDocuSignPandaDoc

Key Achievements

+40%

BNPL Impact

Led Buy Now, Pay Later feature delivery at Paya Ventures.

-35%

Performance Gains

Reduced average page load time through SPA optimization at Muru Technologies.

-30%

Quality Assurance

Automated E2E testing reduced production issues across fintech releases.

-30%

Bug Reduction

Unit and automated testing lowered post-release defect rates at Octatech Innovations.

4+ Yrs

Full Stack Delivery

End-to-end ownership across backend APIs, mobile apps, and web frontends.

NestJS

Fintech Systems

Built wallet engines, salary advance workflows, and payment integrations.

80+

Open Source

Active public repositories and contributions on GitHub.

Web & Mobile

Cross-Platform

Delivered products across React, Next.js, React Native, and Flutter.

E-Sign

Document Workflows

Integrated DocuSign and PandaDoc for multi-role signing flows.

Portfolio

Selected Work

Recent projects and contributions across fintech, enterprise, and full-stack development.

Mikrosell Wine POS

Mikrosell Wine POS

Featured

Mobile-first wine and spirits POS for Kenyan retailers. Multi-branch sales, M-Pesa and cash reconciliation, offline till sync, stock alerts, and owner dashboards — built to run from the phone already in your pocket.

React.jsNext.jsExpress.jsGSAPM-Pesa
Paya Web and Mobile Applications

Paya Web and Mobile Applications

Featured

Comprehensive Paya fintech platform spanning web and mobile — wallet, savings, business, and group accounts, plus Buy Now, Pay Later (BNPL) checkout that increased partner merchant transactions by 40%.

NestJSReact.jsNext.jsReact NativeMongoDB
Mobitill Epesi — Bus Ticket Booking

Mobitill Epesi — Bus Ticket Booking

Featured

Long-distance bus ticket booking portal built at Data Integrated — route search, passenger selection, and integrated payments via M-Pesa, Airtel, Visa, and Mastercard for hassle-free travel across Kenya.

React.jsNext.jsTypeScriptGraphQLM-PesaPayments IntegrationMaterial UI
Recours Global — Salary Advance

Recours Global — Salary Advance

Paya salary advance benefit platform for employers and employees. End-to-end workflows for advance requests, approvals, and disbursements with secure document signing integrated into the application flow.

NestJSNext.jsPandaDocTypeScriptMongoDBPayments Integration(Paya Wallet)
Taniq POS - Shop Management

Taniq POS - Shop Management

Multi-tenant SaaS point-of-sale platform for retail shops — fast checkout, real-time reports, role-based access, and inventory management. Powers live businesses processing 100K+ Kenyan shillings in transactions per month.

React.jsNext.jsTypeScriptMongoDBNode.jsExpress.js
Fortways Property Managers

Fortways Property Managers

Multi-tenant SaaS platform streamlining property management for modern agents — tenant and lease management, rent collection, maintenance requests, and secure financial tools for daily operations.

React.jsNext.jsTypeScriptMongoDBNode.jsExpress.jsPayments Integration

Background

Education & Journey

My academic foundation and continuous growth.

Completed

Bachelor of Science in Mathematics and Computer Science

Murang'a University of Technology

Murang'a, Kenya

Foundation in mathematics, computer science, algorithms, data structures, and software development principles.

Recognition

Honors & Awards

Recognition for my work and achievements.

Hackathon Winner

Kenya Python Tech Summit

2024

First place for developing a Google-like search engine for local documents using NLP techniques.

Best Innovation Award

Murang'a University of Technology

2022

Awarded for the most innovative final year project solving real-world agricultural problems.

Top Performer

Paya Ventures Ltd

2025

Recognized for leading the BNPL feature rollout and delivering high-impact fintech solutions across web and mobile.

Contact

Get In Touch

Have a project in mind or want to say hi? I'd love to hear from you.

Contact Information

Email

evansmogeni254@gmail.com

Phone

+254 728 366 248

Location

Nairobi, Kenya

Connect with me

LinkedInGitHub

Let's Build Something Amazing

I'm currently available for freelance work and full-time opportunities.