Valentine Rutto
@valentinerutto
Senior Native Android engineer driving scalable retail mobile experiences.
KenyaWhat I'm looking for
I am a Senior Native Android engineer specializing in Java and Kotlin, focused on building and maintaining high-performance, scalable Android applications for retail and enterprise customers across multiple African markets. I have led end-to-end development of critical features, mentored junior developers, and collaborated closely with product and design to translate user stories into reliable, production-ready functionality.
My background includes work on multi-market internal platforms and customer-facing apps, authoring technical documentation, and speaking at community tech events. I bring hands-on experience with CI/CD, testing, Compose, GraphQL and modern Android tooling, and I am committed to improving developer practices and the user experience.
Experience
Work history, roles, and key accomplishments
Senior Mobile Applications Developer
BurnManufacturing
Apr 2025 - Present (6 months)
Responsible for end-to-end development and maintenance of critical Native Android features, improving retail agent experience across more than six African countries and ensuring stability, performance, and scalability.
Android Engineer
LD Talent Network
Nov 2023 - Present (1 year 11 months)
Created technical documentation and user guides for Android applications and consulted with clients to design and deliver Android solutions for their products.
Android Engineer
Twiga Foods
Jun 2024 - Jun 2025 (1 year)
Built and maintained internal and customer-facing Android apps to enhance the retail experience in Kenya, translated product requirements into work orders, and mentored junior developers to improve Android practices.
Android Engineer
Freelance
Oct 2022 - Nov 2023 (1 year 1 month)
Delivered native Android applications for clients using Java and Kotlin, gathering requirements, providing technical recommendations, and aligning solutions with business goals.
Android Engineer
d.light
Jun 2020 - Oct 2022 (2 years 4 months)
Maintained and developed features for Atlas (internal modular app used across 35+ markets) and PayGo customer app, collaborating with cross-functional teams to design and ship new features.
Android Engineer
KOKO Networks
Mar 2019 - Jun 2020 (1 year 3 months)
Developed media and customer-facing Android apps enabling content download and service interactions for KOKO customers and point operators.
Associate Android Engineer
Kountable
Oct 2018 - Dec 2018 (2 months)
Collaborated with senior engineers to build a customer-facing app facilitating trade deals between SMEs, global suppliers, and paymasters.
Education
Degrees, certifications, and relevant coursework
DTDedan Kimathi University of Technology
Bachelor of Science, Computer Science
Bachelor of Science in Computer Science from Dedan Kimathi University of Technology.
MSMoringa School
Certificate, Software Development
Completed a software development certificate program focused on practical software and mobile development skills.
Availability
Location
KenyaAuthorized to work in
Job categories
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