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FinTech Software Development

Tailored software solutions for banks, credit unions, neobanks and payments companies.
12 years of expertise in development. 100% focus on financial technology.


Unlike many other development companies, Velmie is fully focused on the Fintech industry.
Our team of in-house professionals effectively handles every step of the development process by applying technical, business, and compliance expertise.

Our Approach

We put our clients first to cover unique needs and build completely tailored financial services solutions with architecture design. To speed up the development process we deliver pre-built banking platform solutions, mobile banking applications, custodial and non-custodial crypto wallets, and other frameworks.

Global Coverage

There is an infrastructure of integrations and partners for bank transactions processing, foreign exchange, debit card issuing, KYC/AML verification globally. We effectively deliver worldwide coverage of the software and payments services while our clients stay safe with reliable SLA support.

What we do

We develop e-Wallets that revolutionize the finance industry by providing unique experiences and a wide range of mobile payment solutions: QR payments, P2P transfers, split bills, and loyalty tokens.

Payment Solutions

We deliver business finance solutions and implement complex workflows for payments.

With expertise in banking, our company helps to build scalable and compliant web, mobile, and back-end solutions for challenger banks and neobanks.

With an advanced software infrastructure in place, we build custom products in an efficient way: centralized and decentralized crypto exchange software, digital asset custodial solutions, wallets, and portfolio management solutions.

Why Velmie

Financial Software Solutions

Vast experience in building enterprise-grade financial software solutions.

White-Label Fintech

Prebuilt platforms

and frameworks for greater efficiency and scalability.

Fintech Providers Integrations

Wide network of integration partners for payments, compliance, and card issuing.

Fintech Dedicated Teams

Lifetime support

and ongoing development

by dedicated teams.

Fintech Software Development Services

  • Fintech and banking mobile app development

  • GoLang development

  • Flutter development

  • DevOps

  • QA teams

  • UI/UX design

  • Ongoing support and maintenance

Fintech Software Development Process

Delivery Models

  • Handoff the entire process of product development to skilled professionals

  • Get your product built faster with our frameworks

  • Release the burden of management

  • Stay up to date on the project flow

  • Maximize the efficiency of your in-house team
    with fintech experts

  • Keep 100% control of the project

  • Engage top-tier talents with fintech expertise quickly

  • Speed development timelines


Custom development of the banking app that is tailored for small business owners to help them grow and thrive.

Building a mobile bank for international remittance, bill payments and p2p transfers. Web interface and wallet apps for iOS and Android powered by Velmie digital banking platform.


Banking as a Service (BaaS) platform engineering small and medium-sized small banks, savings & loans, credit unions, trust companies, and client fund managing companies.


1. Does your company deliver both web and mobile apps?

At Velmie we deliver back end solutions and all kinds of interfaces such as Web, iOS and Android applications, APIs etc.

2. What extra services do you provide?

On top of the development, our team effectively handles UI and UX design for financial products. Our specialists also do business analysis, quality assurance, architecture design, DevOps and maintenance. 

3. Can you handle end-to-end software delivery?

Velmie provides white-label digital banking platforms and integrations with service providers. Thus, we build financial solutions from the ground up within limited timeframes. 

4. Do you provide ongoing maintenance and bug fixing?

Yes. Our clients get technical support under SLA or keep a dedicated project team

5. Can you handle the security and compliance optimization? 

We fully understand the importance of security and compliance requirements and always keep this in mind when designing software architectures and specifications. With us, you can build solutions that comply with PCI, SEC, FINRA, OWASP, GDPR, ISO 27001 and more.

6. Do you handle API integrations? 

We build custom API integrations with service providers or core banking systems. You can also use the existing API modules for KYC, Card Issuing, Acquiring, Bank Transfers, SMS and Email notifications, Customer support systems and others.

7. What technologies do you work with? 

We use Flutter for FinTech mobile apps as it clearly has more advantages over other options. Numerous apps we built with this technology are cost-effective in the long run while receiving positive feedback from the clients. For the back end, we use modern and powerful technologies such as Golang that perform faster and easier to maintain. 

8. Can you build crypto wallets and exchange systems?

Yes. Since 2017 we have built several crypto exchange, trading and wallet solutions. For such projects we also offer white-lable software and pre-built integrations with different service providers. 

9. Do you develop NFT software? 

We’re mostly focused around building advanced NFT marketplace platforms featuring different user types, advanced financial models and smart contracts, fiat and crypto gateways, bidding and trading systems etc. 

10. What cloud hosting solutions do you support? 

Velmie is a certified AWS partner and helps its clients to build and operate secure and compliant cloud banking solutions. However, we consider our solutions as cloud-agnostic and in many cases we deploy the software on other platforms or on-premises.

11. How will the platform perform if there are a large number of users?

Our white-label multi-asset exchange solution handles thousands of transactions simultaneously, smoothly supporting a vast number of users. Due to microservices-based architecture, the solution is highly scalable and capable of supporting company growth needs

12. Do you have Fintech white-label software?

We have a modular digital banking platform that comes with various modules and extensions.

Our Locations

United States

501 Silverside Road
Suite 105 Wilmington, DE 19809

United Kingdom

120 High Road
East Finchley London, N2 9ED


Saltiniu g. 5-101
Vilnius, LT-03214

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