Portfolio · Ticket No. KM‑2026‑01

KELVIN
MWATHI

Product & UI/UX Designer — Data Analyst — Signage & Environmental Graphics

I design the screens people pay on and the signage that tells them where to stand while doing it — from Figma prototypes for the EvoPay app to the printed rate cards and barrier signs across Nairobi's malls, churches and business parks.

See 2026 Print Work See UI/UX Work
3+ yrsBI & Product Design
5Signage Rollouts ’26
6Pro Certifications
EVOGroup Design Lead
ACCESS PERMIT
DESIGN & DATA
K
HolderKelvin Mwathi
RoleUI/UX · Data
BaseNairobi, KE
ToolsFigma / SQL / PBI
StatusACTIVE
01 · Shipped Products

Websites & Web Apps

Platforms I've designed, built and maintained end to end — from customer-facing payment apps to my own portfolio and code.

pay.evopay.africa/app
evopay

Flagship customer & merchant payment platform for the EVO Group — ticketless parking, mobile money and card checkout. Designed the full web + mobile experience in Figma, now live in production.

Visit Live App →
kelvinmwathi.lelar.co.ke
Personal Portfolio

My personal design & case-study site — a running archive of UX audits, dashboards and visual work outside the EVO Group.

Visit Site →
github.com/calvin254
GitHub

Source code, scripts and automation work — data-cleaning pipelines, PHP tools and front-end experiments.

View Profile →
shilohcare.co.uk
Shiloh Care

UK care-home website — services, admissions info and contact, built & maintained for a healthcare provider audience.

Visit Site →
thikagreens.co.ke
Thika Greens Golf Resort

Golf resort & residences site — content updates, landing pages and SEO-friendly posts maintained during my ICT/marketing role.

Visit Site →
evotechafrica.com
Evotech Africa
DRAFT

Corporate site for the EVO Group's tech arm — currently in draft, building out the brand & product story.

Preview Draft →
02 · Process

UI/UX & Product Design

At EvoPay I lead design across the EVO Group ecosystem — Evopay, Evopark, Karibu Connect and Evotech Africa — turning business requirements into user journeys, wireframes and shippable interfaces in Figma.

01

Research & Journeys

Customer journey mapping, stakeholder workshops and requirements gathering with product owners & developers.

02

Wireframes & Prototypes

Low-to-high fidelity flows and interactive prototypes for web & mobile in Figma.

03

Design Systems

Reusable components & responsive UI kits for consistency across the EVO Group product suite.

04

UAT & Analytics UI

Usability testing, dashboard design and API integrations (Dahua, Entavo by Scheidt & Bachmann).

FIGMA · EVOPAY DESIGN SYSTEM.fig
Payment Flow / Checkout
Merchant Portal / Dashboard
Smart Parking / Barrier UI
Component Library / Buttons
Access Control Admin
Mobile — Evopay App
Figma FigJam Adobe XD Miro Illustrator Photoshop InDesign Canva
Case Study

Evopay Africa — Mobile App & Web App Design

Full design proposal for the Evopay customer app: pre-loading & home screen, pay-for-parking flows (Scan QR / LPN / Ticket ID), prepaid card management, profile & security, and a companion web app for no-install bill payment.

HomeEvopay app pre-loading and main page
Evopay App

Pre‑loading & Main Page

Preload screen plus the home feed — nearby parking sites, ETR receipts and transaction history at a glance.

PaymentsEvopay app pay for parking and voucher screens
Evopay App

Pay for Parking & Vouchers

Three payment paths — Scan QR, License Plate Number and Ticket ID — plus admin-managed voucher display.

WalletEvopay app add prepaid card page
Evopay App

Add Prepaid Card

Empty-state illustration through to the add-card form — name, card number and default-card toggle.

AccountEvopay app profile and change password
Evopay App

Profile & Change Password

Account management — license plates, security, terms & privacy — with a matching change-password flow.

WebEvopay web app design
Evopay Web App

Web App — No‑Install Bill Pay

Mirrors the app's home screen for guests — pay by plate or ticket ID first, with top-up, register & download cards below.

Create Something Great

Other Figma Projects

A few more snippets from outside the EVO Group — open any of these to explore the live Figma file.

PrototypeSummit Recruitment job portal Figma prototype

Summit Recruitment — Job Portal

Interactive job-board prototype — browse listings, view roles and apply.

Open in Figma →
Design BoardPolice Sacco design Figma board

Police Sacco — App Design

Mobile banking & savings experience designed for Sacco members.

Open in Figma →
SaaS UIUXSAAS design file

UX1st — UXSAAS

SaaS product UI exploration — dashboards, components & layout systems.

Open in Figma →
04 · Credentials

Certifications

UX

IBM UI/UX Designer Professional Certificate

2026
DA

Google Data Analyst Professional Certificate

Dec 2025
DM

Google Digital Marketing & E‑Commerce Certificate

Jul 2023
IT

Google IT Support Professional Certificate

Jun 2023
BI

Data Visualization & Dashboards — Excel & IBM Cognos

Jun 2023
CS

IBM Research Africa — Recent Trends in Computer Science

Jun 2018
05 · Full Record

Résumé

Contact

Kelvinmwathi254@gmail.com

0111 434 822 · 0715 958 488

github.com/calvin254

kelvinmwathi.lelar.co.ke

Education

B.Sc. Computer Science

Catholic University of Eastern Africa — Oct 2022

KCSE

St Joseph's High School, Githunguri — Dec 2016

Core Skills
SQL Power BI Python Advanced Excel Figma PHP Angular .NET REST APIs WordPress Git
Experience
May 2024 — Present

UI/UX Design & Product Development

Evopay (formerly Paytech Ltd) — EVO Group

Lead design of customer-facing payment platforms, merchant portals and smart-service apps. Built the centralized analytics dashboard, integrated Dahua & Entavo (Scheidt & Bachmann) APIs, and designed the flagship Evopay Africa web & mobile app.

Nov 2023 — Apr 2024

ICT Support Associate

Thika Greens Golf Resort Ltd

Analyzed digital marketing & engagement data, built internal PHP tools, maintained the WordPress site, and supported Sales & Marketing with lead tracking and reporting.

Jan 2022 — Oct 2023

IT Help Desk & Digital Support Administrator

CCI Kenya

First-line support to 500+ agents across CRM/ERP/telephony systems; built Power BI dashboards and Python automation for operational reporting.

Profile

Analytical, results-driven Data Analyst and Product Designer with 3+ years across fintech, hospitality and BPO — collecting, visualizing and acting on data with SQL, Python, Power BI and Excel, while designing the interfaces (and now the signage) that put those insights in front of real customers.