Hi, I am Walter Okumu Oriaro

Technical Customer Success Architect & Senior Full‑Stack Developer. I build reliable, SEO‑optimized web platforms and high-performance apps across Africa.

ABOUT ME

ABOUT ME

Hi There! I'm Walter Okumu

Technical Customer Success Architect & Full‑Stack Engineer

I lead customer success and technical architecture teams to deliver SEO‑optimized, high-performance platforms across Africa. My remit spans directory ecosystems, travel marketplaces, and enterprise portals, keeping reliability, accessibility, and revenue outcomes front and center.

99.8% uptime40% CSAT lift78% fewer deployment errors+23% upsell revenue

  • Location : Nairobi, Kenya
  • Language : English

MY SKILLS

MY SKILLS

Technical Customer Success Architect & Full‑Stack Engineer

Technical Customer Success Architect & Full‑Stack Engineer

JavaScript (ES2023)

95%

Next.js & React

75%

Node.js & API Design

90%

SEO & Web Performance

85%

Experture & Solution Design

80%

CI/CD & DevOps

90%

EXPERIENCE

EXPERIENCE

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Experience

Head of Customer Success & Web Development

2023 — Present

Yellow Pages / YP Media (Multiple Countries)

Lead a team of developers and customer success specialists to deliver high-performance, SEO-optimized web platforms and enterprise websites across Africa.

Senior Full‑Stack Developer

2022 — 2023

Yellow Pages / YP Media (Multiple Countries)

Built and scaled national directory listing platforms: Mozambique, Angola, Cabo Verde, São Tomé & Príncipe, Tanzania, and Kenya. Emphasis on SEO, structured data, and monetization.

Full-Stack Developer & Mentor

May 2022 - November 2022

Microverse

Completed Microverse's full-stack web development program to enhance my technical and non-technical skills.

East and Central Africa Systems Specialist

2014 - 2018

British American Tobacco Kenya plc

Responsible for HR Data Quality and Reporting for all markets in East and Central Africa.

SAP Super User for HR and Payroll Modules.

Full-Stack Developer & Database Administrator

2011 - 2014

British American Tobacco Kenya plc

Responsible for the development of the company's internal systems and databases.

Developed and maintained all business workflow applications.

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Education

Bachelor of Science in Computer Science

2005 - 2011

The Catholic University of Eastern Africa

Major in Software Engineering

Full-Stack Developer in JavaScript, Rails, React, Redux

May 2022 - November 2022

Microverse

Microverse's full-stack web development program is a great place to enhance your technical and non-technical skills.

PORTFOLIO

SELECTED PROJECTS