Android & iOS Applications
Native Android and iOS apps built with modern tools and designed around your users — from first screen to Play Store and App Store release.
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Professional Software Developer
I Design & Build Android & Web Applications
Have an app idea but no technical skills? That's all you need. Hire me to design and build your Android or web application in as little as a few hours to less than a week — and I'll help your team learn to use, manage and maintain it.
10+Systems delivered
Hours–5 daysIdea to working app
100%Custom-built
About Samuel
A professional developer building practical software for real organisations.
BSc Computer Science — UoPeople (USA)
BSc Tourism Mgmt — Amity (India)
MCA in AI — Amity (pursuing)
PG Dip Teaching — Copperstone
Samuel Katumba is a professional software developer and technology consultant based in Kitwe, Zambia. He specialises in designing and building custom Android and web applications — from university management portals and AI-powered platforms to payroll, courier and business systems that run in production every day.
Samuel's bootcamp-style approach means you don't need to be a developer to launch a digital product. You bring the idea — he brings the skills — and together you go from zero to a working app in as little as a few hours to less than a week.
Samuel Katumba
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What I Can Build
Custom software for every kind of organisation
You bring the idea, the business problem or the process. I design and build the digital solution around it.
Web Applications
Fast, secure and responsive web applications — dashboards, portals, e-commerce and online services that work anywhere.
Start a projectBusiness Management Systems
Student records, payroll, inventory, bookings, HR and operations — systems built around how your organisation actually works.
Start a projectCustom Platforms
Tailor-made platforms for your unique workflow — from university portals to service marketplaces and internal tools.
Start a projectDatabase-Driven Applications
Structured data, reliable reporting and secure storage that grows with your business — not a spreadsheet, a real system.
Start a projectAPIs & Backend Systems
The engine behind your applications: APIs, third-party integrations, payment processing and workflow automation.
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Hire Me / Start a Project
From idea to launch — a simple, proven process
Whether you have a rough idea, a business problem, or an existing process that needs a digital solution, here's how we work together.
Tell me your idea
Share your idea, business problem or process in your own words — no technical background needed. I listen, ask the right questions and understand your requirements.
We analyse & design
I analyse the problem, plan the solution and design the UI/UX before a single line of code is written.
I build & test
Your Android or web application is developed, tested and refined until it is production-ready.
Deploy, train & support
I deploy your system, train your staff, hand over documentation — and stay on for maintenance and support.
Custom Software for Your Organisation
Have a Difficult & Demanding Software Project?
Samuel Katumba is ready to answer the call and join you in your professional project, bringing to the table extensive experience and practical knowledge in the latest technologies.
From requirements analysis and architecture to deployment, testing, documentation and staff training — Samuel delivers enterprise-grade solutions that solve real business problems.
Full-stack development
AI & Machine Learning
System architecture & databases
Enterprise solutions
Cloud deployment
Staff training & mentoring
💡 Affordable custom pricing
My Development Process
Eight steps from problem to production
A complete development lifecycle — so you always know what's happening, what's next, and what you'll receive.
STEP 01
Discover
I learn about your organisation, your users and your goals before anything is planned.
STEP 02
Analyse
I break down the business problem and define clear, documented requirements.
STEP 03
Design
UI/UX, system architecture and database design — agreed with you before coding starts.
STEP 04
Develop
Android, web and backend code is built in clear stages, with regular progress updates.
STEP 05
Test
Quality checks, bug fixes and user testing before anything reaches your team.
STEP 06
Deploy
Launch on your servers or the cloud — live, reliable and backed by documentation.
STEP 07
Train
Your staff learn to use, manage and maintain the system — hands-on and practical.
STEP 08
Maintain
Ongoing updates, security, monitoring and support keep your system healthy.
Build + Train + Maintain
I don't just build your software. I help your team understand, manage and maintain it.
What makes my service different: after the launch, you're not left on your own.
Build
The complete development lifecycle, delivered as one accountable package:
- Requirements & analysis
- Solution & UI/UX design
- Android & web development
- Backend, APIs & databases
- Testing, deployment & documentation
Train
Your designated staff learn to run the system with confidence:
- Using the system correctly
- Managing users & system data
- Routine admin tasks
- Basic troubleshooting
- Working with documentation & future developers
Maintain
A long-term relationship, not a one-time transaction:
- Bug fixes & security updates
- Performance improvements
- Feature additions
- Monitoring & database maintenance
- Technical support & staff retraining
Portfolio
💼 Real Systems. Real Impact.
Android apps and web systems I've designed and built — running in production every day.
Katumba Properties
Android app for property listings, rentals & real-estate management — browse, list and manage properties from your phone.
Enquire About ThisKatumba Rides
Android ride-hailing app connecting drivers and passengers — live tracking, fare estimates and instant bookings.
Enquire About ThisKatumba Auction
Android auction marketplace for listing items, placing bids and winning deals in real time.
Enquire About ThisKatumba Invited
Android event invitation app — create invites, track RSVPs and manage your guest list from one place.
Enquire About ThisUniversity Management Portal
Admissions, registration, finance & student management for 5,000+ students at Copperstone University.
Enquire About ThisTrue-Vote AI Platform
AI-powered election insights & trend prediction used by thousands of candidates across Zambia.
Enquire About ThisTrue Safe AI System
Automated risk assessments, safety talks & compliance audits for workplace safety.
Enquire About ThisMasterPlan AI
AI-powered business plan generator with financial projections & market analysis.
Enquire About ThisWorkforce Payroll System
Multi-company payroll processing, taxation logic & automated reporting solution.
Enquire About ThisKatundu Courier System
Parcel tracking, logistics management & operational reporting platform.
Enquire About ThisHave a similar challenge in your organisation? Let's build your solution
Technology & Skills
A full-stack toolkit for building real systems
From the Android screen in your hand to the database in the cloud — the right technology for each part of your solution.
Android & iOS Development
Web Frontend
Backend & APIs
Databases
Cloud & DevOps
AI & Machine Learning
App Bootcamp
From Zero to a Working App — in Hours, Not Months
No technical skills? No problem. This isn't a course where you learn to code — it's a fast-track build service. You bring the app idea, I build it for you. A working Android, iOS or web app, delivered in as little as a few hours and up to less than a week.
You have the idea. I have the skills.
Most people with great app ideas never launch because they don't know how to code. You don't need to. Describe your idea, agree the plan, and I'll build, test and deploy your app — in as little as a few hours to less than a week.
Hire Me to Build Your App⚡ YOUR IDEA. MY SKILLS. YOUR APP — FAST.
FEW HOURS
⚡
Web App in Hours
From Idea to a Live Web App — Same Day
Your idea turned into a working web application in a few hours. Landing pages, dashboards, portals — built around your idea, not a template.
Hire Me to Build It
1–3 DAYS
📱
iOS & Android in Days
Your App Idea, Built as a Real iOS or Android App
Describe your idea once. I design and build it into a working iOS or Android application — ready for your users in just a few days.
Hire Me to Build It
UNDER 1 WEEK
🏢
Business System in Days
Custom Business Software in Less Than a Week
From business management systems to custom platforms — your operational process digitised, built, tested and deployed in under a week.
Hire Me to Build ItIdea to Working App in:
⚡ A Few Hours
⚡ 1–3 Days Typical
⚡ Under 1 Week
✅ No Tech Skills Needed
Testimonials
Real Clients. Real Apps.
What clients say about getting their app built fast.
4.9
★★★★★
Average rating
From clients across Zambia and beyond.
★★★★★
"I had an idea and zero technical background. Samuel built it into a working app in just days — I couldn't believe how simple the whole process was."
L
Linda M.
Entrepreneur
★★★★★
"No jargon, no months of waiting. He took my business problem, built the system and had it live in under a week."
C
Chanda K.
Business Owner
★★★★★
"Fast, professional and practical. I described my idea once and received a real product — not a promise."
T
Thandi N.
Startup Founder
🤝 Company Partnerships
Let's Build Something Together
Companies and organisations can work with Samuel in several ways — not just sponsorship. Whether you need software built, staff trained, or long-term technology support, there's a way to partner.
Software development projects
Staff training
Technology consulting
Sponsorship of developer training
Internship opportunities
Technology partnerships
Long-term technical support
Free Resources
Learn & Build With Me
🎥 From Idea to Working App — Explained
Watch Samuel explain how a great idea becomes a working app — from zero to live in as little as a few hours.
Watch on YouTube
🚀 Full Personal Website Prompt
Download this AI prompt to generate a complete single-page personal agency website in ONE DAY!
Download Prompt
📄 Web Design Cheat Sheet
Essential HTML tags, CSS properties, and JavaScript basics — all in one PDF. Perfect quick reference.
Download PDF
The Way I Work
Have a problem that software can solve? Hire me to design and build the solution — and I'll help your team learn how to use, manage and maintain it.
Hire Me
Contact
Have a project in mind? Let's talk.
Tell me about your idea, your business problem, or the process you want to digitise. I'll get back to you with next steps — and we'll build the solution together.
Get In Touch
Address
Room 105, Mukuba Pension House, Kitwe
Phone
0966 658181 / 0977 658181
Email
officialkatumba@gmail.com
WhatsApp