PAULYNE WAMBUI
PAULYNE WAMBUI

Web Developer , Site Reliability Engineer

Open to offers · Member since 12 Nov 2026
Location
Nairobi, Kenya
Desired salary
Unspecified
Work preference
Remote Only / Full Time
Experience level
Senior

About

Professional summary

I am a Site Reliability Engineer and Software Engineer with over five years of experience at Safaricom PLC, focused on building resilient production services, improving observability, and automating delivery pipelines.

I lead incident response activities, perform root cause analysis, and drive post-incident improvements that reduce downtime and strengthen service reliability. My monitoring experience includes Dynatrace, ELK Stack, Grafana, and PagerDuty.

I have a software engineering background in React, Angular, JavaScript, TypeScript, and Apollo GraphQL. I have developed scalable web applications, integrated GraphQL and REST APIs, and supported systems throughout the full software development lifecycle.

I am experienced in CI/CD automation with Jenkins, blue-green deployments, code quality practices using SonarQube, and Firebase services including Firestore, Authentication, and Hosting.

My earlier experience in telecommunications and business operations strengthened my troubleshooting, networking, operational management, budgeting, and customer-focused problem-solving skills.

Skills

27 capabilities

Tech stack & tools

Working toolkit

Analytics

Application Hosting

Development

Languages & Frameworks

Experience

Career history

Site Reliability Engineer Safaricom PLC

I lead incident response and root cause analysis activities to reduce production downtime and improve service resilience. I use structured post-incident reviews and proactive performance monitoring to identify reliability improvements.

I implemented monitoring and observability solutions using Dynatrace, ELK Stack, and Grafana, with PagerDuty integrated for real-time alerting. I also automated CI/CD pipelines with Jenkins to enable dependable deployments and reduce manual release overhead.

Software Engineer Safaricom PLC

I developed and maintained scalable web applications using React.js, Angular, JavaScript, and Apollo GraphQL. I integrated frontend applications with GraphQL and REST APIs to support efficient data exchange and optimized performance.

I built and deployed Firebase applications using Firestore, Authentication, and Hosting with secure access control. I implemented blue-green deployment strategies, enforced code quality through SonarQube and peer reviews, and contributed to UI discussions, implementation, testing, deployment, and production support.

Director Finesse Ent Gaming Parlour

I managed operations for a gaming and entertainment business serving more than 30 customers daily. I introduced inventory tracking processes and optimized rental workflows to improve operational efficiency.

I led digital marketing activities to increase customer acquisition and engagement. I also managed budgeting, procurement, and business growth strategy.

Telecommunications Technician Zuku

I installed and configured satellite, router, and networking equipment for customers. I diagnosed connectivity issues and performed onsite technical maintenance.

I applied structured troubleshooting processes to resolve technical problems and reduce service downtime. This role strengthened my networking, field support, and operational problem-solving skills.

Education

Learning history

Moringa School

Certificate, Software Development

Certificate in Software Development.

Mombasa Polytechnic University College

Degree, Telecommunication & Information Engineering

Degree in Telecommunication & Information Engineering.

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