I'm Chebon
Kelvin
Full Stack Engineer
Working Worldwide
I design and build scalable web apps, APIs and mobile products — from Figma concept to production deploy.
- 7+ years experience
- 40+ delivered projects
- Upwork freelance contracts
I'm Chebon Kelvin
a
self-driven full stack engineer working with clients worldwide. Since 2019 I've shipped work
across Upwork and global clients — a mix of Web Apps, Mobile
Apps, UI/UX Design & Digital Marketing.
Download CV
MyPortfolio
A selection of shipped projects. Some are missing due to client contracts containing Non-Disclosure Agreements (NDA) — and a few may have gone offline.
More work is under NDA — happy to talk through it on a call.
MyExpertise

Full Stack Development
End-to-end web applications: scalable backends, clean APIs and fast, responsive frontends. 20+ shipped projects across SaaS, e-commerce and real estate.
- Next.js, Vue.js, React & Node.js
- Python/Django, PHP, SQL & MongoDB
- RESTful API design & integrations

UI / UX Design
12+ design projects in Figma — from wireframes to polished, developer-ready design systems and interactive prototypes.
- Web & mobile app interfaces
- Design systems & component libraries
- Prototyping & dev handoff

Mobile Development
Native Android applications and installable progressive web apps designed for performance on real-world networks.
- Android development
- Progressive Web Apps
- App UI design in Figma

Digital Marketing
Promotional videos, social media ads and brand content that converts — across YouTube, Facebook, Instagram and TikTok.
- Social media ad design
- Video editing & promos
- Channel branding & growth
Experience
Anticipatory
Full Stack Engineer
Nyumber
Full Stack Engineer
Limisika Limited
Digital Media Officer
Education
Africa Nazarene University
BSc Computer Science
eMobilis Training Institute
Full Stack Engineering Course
Kapsabet Boys High School
High School
Green Park Academy
Primary School
CertifiedCredentials
Verified professional certifications backing the work.
Full Stack Engineering
Full Stack Engineering Certification — eMobilis Training Institute, 2018
View CertificateClientWords
What clients say after working with me.
Working closely with him really took our programming to the next level! He thinks about problems, finds solutions, and has awesome morale. Great communication and high work quality and efficiency.
We hit the end objective and matched the actual design file. I'm happy to work with Code Prolific again going forward.
The work was done quickly and as expected. He was friendly and quick to respond. I'd hire him again without a doubt.
Excellent job! He is friendly, fast to respond, and accomplished the job right away. Highly recommended — would definitely hire him again in the future!
Let's Build Something
Great Together
I'm available for freelance work through Upwork contracts or direct engagement. No matter how complex your project is — I will deliver.
Get InTouch
Any channel works — I respond as soon as possible.