01
Igiza Arts
Event management platform with a custom landing page, ticket sales, team management, and an integrated admin system for one of Kenya's leading theatre arts company
View project
I build software that works.
I'm Harold Kerry, a software developer focused on building reliable web applications, APIs, and digital systems that solve real problems.
Laravel
PHP
Go
JavaScript
Node.js
Vue
Nuxt
Angular
NestJS
Livewire
Slim
Uptime Kuma
Grafana
Prometheus
Supabase
PostgreSQL
MySQLSample Projects I've worked on.
02
Jaza Kiti
Event and ticketing system with integrated PesaPal and M-Pesa payments, venue management, and a vendor marketplace.
View project
03
Toyota Kenya HOC
Membership management platform for vehicle owners to register vehicles, earn and redeem benefits, and track membership status.
View project
04
Joritech Systems
Business landing page with lead management and an integrated bulk SMS platform for sending and tracking customer communications
View project
05
Kwe Therapy
Online therapy platform connecting clients with therapists through secure booking, session management, and digital therapy workflows.
View project
06
SokoSensei
Headless e-commerce platform for managing products, inventory, orders, and storefront integrations through a centralized backend.
View project
07
Millaz Productions
Landing page for a theatre production company showcasing productions, upcoming shows, and company information.
View project
08
Social Tribe
Landing page for an SEO and content business helping travel and tour companies improve their online visibility and reach.
View project
09
USSDs & Shortcodes
Designed, configured, and deployed USSD and shortcode services for organizations and high-volume transactional platforms, including Githunguri Avocado Farmers Association, PNU party registration, and Advanta Africa's airtime purchase service.
Private work
10
Payment Integrations
Integrated M-Pesa and PesaPal payment solutions for churches, supermarkets, schools, and businesses, including secure transaction processing and payment reconciliation.
Private work
Work Experience.
2026 — Present
Full-Stack Developer
AG German Institute
Building and maintaining full-stack digital solutions across frontend and backend development, with a focus on reliable and user-focused applications.
2026
Full-Stack Developer
Capital Connect Africa
Designing, developing, and maintaining scalable front-end and back-end applications, while translating business requirements into secure, reliable technical solutions.
2023 — Present
Co-Founder & Senior Backend Developer
Volcha Enterprises
Leading backend development for in-house and client applications, building secure REST APIs, integrating payment and SMS services, and overseeing deployment and infrastructure.
2022 — 2025
Senior Software Developer
Advanta Africa Ltd
Developed and maintained software applications, integrated M-Pesa and STK Push payments, built USSD and shortcode systems, managed databases, and supported cloud infrastructure and deployment.
2018 — 2022
Technical Support
Celcom Africa
Provided technical support and user training, monitored system performance, managed SMS API integrations, and worked closely with development teams to deliver reliable messaging solutions.