// professional experience

Eight years delivering production systems.

County government, the national ICT authority, an NGO, a college and private product teams. Different constraints in each, but the same mandate underneath: get software into production and keep it working for the people who depend on it.

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Software Engineer, Applications Development

Mar 2023 to Present
Government of Makueni County · Public Sector
  • Digitise county services that previously ran on paper and manual routing, engineering them into platforms now serving over 3,000 users across 11 county departments.
  • Design and deliver web and mobile platforms in Java, Python and PHP, architected to carry growing county workloads.
  • Own the REST API layer integrating county systems with banks, payment gateways and third-party services.
  • Optimise SQL and NoSQL schemas and queries so reporting stays responsive as data volumes climb.
  • Introduced Git-based workflow, peer code review and automated testing, reducing the defects reaching production and slowing the accumulation of technical debt.
  • Mentor junior engineers and collaborate cross-functionally with procurement, finance and operations to translate written policy into software that enforces it.

ICT Officer

Jan 2022 to Feb 2023
ICT Authority · Machakos County Headquarters
  • Sustained staff operations across the county headquarters, diagnosing and resolving hardware and software faults as they were raised.
  • Installed and maintained network infrastructure, holding connectivity and system performance steady for daily operations.
  • Conducted regular system audits and implemented cybersecurity controls guarding against data breaches and unauthorised access.
  • Collaborated with departmental teams to specify and deploy technology that measurably reduced friction in their work.

Mobile Application Developer

Jan 2021 to Nov 2021
World Christian Fellowship · NGO
  • Developed and maintained native iOS and Android applications in Swift and Java.
  • Integrated third-party APIs for geolocation and social sharing.
  • Tested extensively across devices and OS versions, resolving compatibility faults and lifting user satisfaction by 30%.
  • Profiled memory usage and trimmed launch-time work, cutting load times by 20%.

Web Application Developer

Jan 2020 to Jul 2021
Ezana Group · Private Sector
  • Developed responsive web applications with HTML, CSS, JavaScript, React, Vue and Bootstrap.
  • Collaborated closely with UI/UX designers on interfaces that lifted user engagement by 20%.
  • Engineered the server side in Node.js and Express, exposing REST APIs that let the front end update content dynamically.

Web Developer & ERP Support Officer

Jan 2020 to Jan 2021
Ukamba Bible College · Higher Education
  • Administered the college's web applications and ERP system, keeping administrative operations running day to day.
  • Converted designer mockups into production pages, contributing to a 25% rise in site traffic.
  • Measured and reduced page load times, bringing bounce rate down 15%.
  • Tested across browsers and resolved the inconsistencies so the experience held up wherever students opened it.

Software Engineer

Jan 2018 to Jan 2020
DevLan Solutions LTD · Private Sector
  • Established engineering discipline across the team: version control in Git, peer code review and unit testing, which showed up directly in code quality and maintainability.
  • Built REST APIs so separate components could exchange data cleanly instead of reaching into each other.
  • Profiled slow applications, identified the bottlenecks and optimised them out.
  • Diagnosed and resolved difficult technical faults, improving reliability and keeping downtime short.
  • Delivered on Agile cycles, aligning releases with what the client needed next.

Graphic Designer

Jan 2016 to Jan 2018
Lauh Print Company · Machakos Branch
  • Produced branding, campaign and digital artwork for a steady rotation of clients.
  • Delivered print work, brochures, posters and business cards, to brand guidelines and on deadline.
  • Worked daily in Photoshop, Illustrator and InDesign, where the eye for typography, colour and layout that still shapes the interfaces I build was formed.
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