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I'm a full-stack engineer with close to four years building production systems people actually depend on — pension platforms, payment integrations, client-facing portals. My day-to-day is a mix of JavaScript/React on the front end and Laravel/Node on the back, stitched together with RESTful APIs I've designed and owned end-to-end. I've been running Docker and Kubernetes in real deployments for the past year and a half, and I hold AWS certifications that reflect genuine cloud work. I'm currently doing an MSc in Computer Science at Ulster University, which has sharpened my thinking on distributed systems and software architecture.…I'm a full-stack engineer with close to four years building production systems people actually depend on — pension platforms, payment integrations, client-facing portals. My day-to-day is a mix of JavaScript/React on the front end and Laravel/Node on the back, stitched together with RESTful APIs I've designed and owned end-to-end. I've been running Docker and Kubernetes in real deployments for the past year and a half, and I hold AWS certifications that reflect genuine cloud work. I'm currently doing an MSc in Computer Science at Ulster University, which has sharpened my thinking on distributed systems and software architecture.

Brian Karanja Kibui

Web Developer, Front-End Developer, Back-End Developer, +4

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I'm a full-stack engineer with close to four years building production systems people actually depend on — pension platforms, payment integrations, client-facing portals. My day-to-day is a mix of JavaScript/React on the front end and Laravel/Node on the back, stitched together with RESTful APIs I've designed and owned end-to-end. I've been running Docker and Kubernetes in real deployments for the past year and a half, and I hold AWS certifications that reflect genuine cloud work. I'm currently doing an MSc in Computer Science at Ulster University, which has sharpened my thinking on distributed systems and software architecture.…I'm a full-stack engineer with close to four years building production systems people actually depend on — pension platforms, payment integrations, client-facing portals. My day-to-day is a mix of JavaScript/React on the front end and Laravel/Node on the back, stitched together with RESTful APIs I've designed and owned end-to-end. I've been running Docker and Kubernetes in real deployments for the past year and a half, and I hold AWS certifications that reflect genuine cloud work. I'm currently doing an MSc in Computer Science at Ulster University, which has sharpened my thinking on distributed systems and software architecture.

Available to hire

I’m a full-stack engineer with close to four years building production systems people actually depend on — pension platforms, payment integrations, client-facing portals. My day-to-day is a mix of JavaScript/React on the front end and Laravel/Node on the back, stitched together with RESTful APIs I’ve designed and owned end-to-end. I’ve been running Docker and Kubernetes in real deployments for the past year and a half, and I hold AWS certifications that reflect genuine cloud work.

I’m currently doing an MSc in Computer Science at Ulster University, which has sharpened my thinking on distributed systems and software architecture.

Skills

Experience Level

Expert

Expert

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Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Swahili

Fluent

Work Experience

Web Development & SEO Consultant at FirstStrate Care Services

September 1, 2023 - December 1, 2023

Led the enhancement of the company's digital presence through customized website development, ensuring responsive design, accessibility, and cross-device compatibility. Wrote clean, maintainable code and integrated secure backend solutions tailored to business needs. Selected and implemented platforms and frameworks to optimize performance and scalability. Developed content marketing and backlink strategies to grow site visibility and user engagement.

Full-Stack Web Developer at GuruState Freelance

November 1, 2022 - January 1, 2023

Integrated M-Pesa payments to enable secure, real-time mobile money transactions for clients and freelancers. Built features such as user authentication, gig listing and categorization, order tracking, messaging, and reviews systems. Created a mobile-responsive interface for desktop and mobile users. Followed REST API standards and implemented security measures to safeguard data and payments.

Web Developer at Tactical Africa

May 1, 2022 - August 1, 2022

Developed and launched a secure, modern website for a leading security firm, enhancing digital presence and client engagement. Collaborated with security experts to integrate features such as secure login portals, client authentication, and incident reporting tools. Translated business requirements into a responsive and user-friendly web interface optimized for both desktop and mobile devices.

Web Development & SEO Consultant at Firstrate Care Services

September 1, 2023 - December 31, 2023

Led the development of the company’s digital presence with a custom website, ensuring responsiveness, accessibility, and cross-device compatibility; wrote clean, maintainable code and integrated secure backend solutions; led SEO strategy including keyword research, content optimization, and technical SEO improvements; developed content marketing and backlink strategies to drive growth; performed data-driven analysis using Google Analytics and Search Console.

FullStack Web Developer

November 1, 2022 - January 31, 2023

Developed freelance web applications using PHP and Laravel; integrated M-Pesa payments for secure, real-time transactions; built responsive front-end with API integration, authentication, ordering, messaging, and reviews systems; ensured seamless front-end/back-end collaboration and mobile-optimized interfaces.

Software Engineer at Octagon Africa

April 1, 2024 - December 31, 2025

Designed and maintained RESTful APIs in Laravel handling pension transactions, fund valuations, and client account management — with a PHPUnit test suite I helped expand significantly. Integrated Tingg for cross-regional mobile payments and engineered RTGS connections with Stanbic and Standard Chartered — both required precise handling of external API contracts and careful error logic at transaction boundaries. Wrote AWS Lambda functions in Python to automate financial reconciliation, cutting overnight batch processing time by ~60% and eliminating a recurring class of manual errors. Built and maintained CI/CD pipelines in Azure DevOps — authored Dockerfiles, configured multi-stage builds, debugged container failures in staging, and managed Kubernetes deployments in production. Deployed and maintained services on Azure Web Apps with MySQL backends; kept production environments healthy from an availability and security standpoint. Refactored the insurance quotation workflow end-to-

Full-Stack Developer at Gurustate (Freelance)

November 1, 2022 - January 31, 2023

Built a freelance marketplace from scratch using Vue.js and Laravel. Handled user auth, gig listings, order tracking, review systems, and M-Pesa payment integration for real-time transactions. The kind of project where you own every layer and have to make it actually work.