Fintech and crypto app development
Money moving safely: wallets, payments and the checks around them.
What we build
Software that touches money has less room for mistakes. We build it with the checks in the design: who can do what, what happens when a step fails, and how every movement can be traced afterwards.
Adminu Financieel reads a receipt from a photo and shows the self-employed what they earned and what tax they owe. Crypto View tracks the market with live prices and charts.
Payments and subscriptions
One-off payments, subscriptions and in-app purchases, with the receipts and edge cases handled.
Wallets
Balances, transfers and transaction history that users can trust at a glance.
Identity checks
Sign-up flows with the verification steps a finance product needs.
Crypto data
Live prices, charts and market data for coins, with news alongside.
Bookkeeping and finance tools
Income, expenses and tax in one view, with receipts read from a photo.
How we work
The same four steps on every project, whatever its size.
Understand
You tell us what you are building and who it is for. We ask the questions that decide the design before any code is written.
Plan
We reply with how we would build it: the parts, the order, the risks we already see and what it would take.
Build
One senior team designs, writes and reviews the work in house. You see it running as it grows, not at the end.
Care
After launch we keep it healthy with upgrades, monitoring and security reviews, for as long as you need us.
Built with
- React Native
- React
- TypeScript
- Node.js
- PostgreSQL
- Supabase
- Firebase
Related work
Projects where this is the work we did.
Adminu Financieel
Bookkeeping for the self-employed. Add income and expenses with a photo of the receipt, and see at once what you earned and how much tax you owe.
Crypto View
A crypto market tracker. Real-time prices, interactive charts and market data for the top coins, with the latest crypto news in one place.
What clients say
Written by clients, in their own words.
Read all 94 reviews
NigeriaWow! The delivered code base is neat and very professional, the app developed works as expected. Working with him has been a pleasure because he really knows his stuff
AzerbaijanI am thrilled to share my experience working with Mudassir Mohammad on the registration and authentication screens of our mobile application. From the outset, he demonstrated exceptional skill and professionalism, making the entire process smooth and efficient. Mudassir Mohammad took the time to understand our requirements and provided insightful suggestions that significantly enhanced the user experience. The design is not only visually appealing but also incredibly user-friendly, making the registration and login process seamless for our users. Throughout the development phase, he maintained clear and open communication, keeping us updated on progress and promptly addressing any questions or concerns. The attention to detail in implementing security measures ensures that our users' data is protected, which is paramount in today's digital landscape. Moreover, Mudassir Mohammad was adept at integrating the authentication system with our backend services, resulting in a robust and reliable solution. The overall performance is excellent, and we’ve received positive feedback from users regarding the ease of signing up and logging in. I highly recommend Mudassir Mohammad to anyone seeking a talented full-stack developer. His expertise, dedication, and problem-solving skills are truly commendable. We look forward to working with him again on future projects!
IrelandI am extremely pleased with the MVP Mudassir developed for me. The final product met all my expectations and adhered perfectly to the brief I provided. Mudassir demonstrated professionalism, skill, and a clear understanding of my requirements throughout the process. I would definitely recommend Mudasir for your next project and will be using him again for my final app!!
Questions
What finance products have you built?
Adminu Financieel, a bookkeeping app that reads receipts from a photo and shows income, expenses and tax owed, and Crypto View, a market tracker with live prices and charts. Payments and subscriptions are part of several of our apps.
Can you add payments to an app we already have?
Yes. We add payments, subscriptions or in-app purchases to an existing app and backend.
How do you treat security?
Secrets stay out of the code, access is limited by role, and every release is reviewed before it ships.
How do we start?
Send us a few lines about what you are building. We reply with how we would build it and what it would take.
Tell us what you are building.
A few lines are enough. We reply with how we would build it and what it would take.