Fintech Software Development Services

We have been developing banking and financial software for enterprise-level companies and innovative startups for ten years, driving cost efficiency and sustainable growth. With our fintech software development company, you can focus on strategy for your business while we handle all stages of fintech software development.

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Client testimonials

«We now have a core team of engineers at Relevant who work for us full-time and are supplemented by 4 or 5 engineers with different skillsets when and if required.»

Paul Carse
CTO and Co-founder of Life Moments

“Working with you guys has been fantastic. The level of expertise of your development team is as good as the people that we get in the UK. You’ve got a fantastic talent base of programmers. It’s more challenging to find people of that quality in the UK.”

Cassian Harrison
Co-founder of Splink Industries and My Theory Test App by James May
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Fintech app development services

Online Banking

Our fintech programmers specialize in building secure and user-friendly mobile banking applications to enable hassle-free operations and elevate the customer experience.

  • Bespoke online banking solutions
  • Custom web and mobile banking applications
  • Innovative open banking platforms
  • Payment system integration for SWIFT, SEPA, BACS, FPS, and more
  • Seamless online KYC verification services
Online Banking

Payments & Digital Wallets

At Relevant, we assist financial institutions in elevating the security and sustainability of their payment processes, and we strive to deliver customized payment solutions that cater to those needs.

  • Cutting-edge digital wallet services
  • Seamless peer-to-peer (P2P) payment solutions
  • Reliable digital money transfer services
  • Innovative digital payment solutions
Payments & Digital Wallets


Our scalable digital solutions utilize blockchain technology to enhance security and promote transparency throughout the financial ecosystem. It helps businesses to operate with the utmost confidence in their financial transactions.

  • Marketplaces built on blockchain technology
  • Decentralized applications (DApps) for enhanced security
  • Blockchain-based security solutions
  • Smart contract automation

Investment Management

Our team of financial software developers specializes in building custom investment management solutions that equip investors with powerful tools to streamline and optimize their investment strategies.

  • Tailored investment platforms
  • Comprehensive asset management systems
  • Real-time performance tracking tools
  • Cutting-edge analytics and reporting capabilities
  • Next-generation AI-based solutions
Investment Management

Trading and Exchanges

We are a FinTech development company with rich experience in creating bespoke trading platforms prioritizing exceptional business logic, unwavering stability, scalability, and state-of-the-art security measures to safeguard sensitive data.

  • Cutting-edge institutional trading systems
  • Custom-built cryptocurrency trading platforms
  • Innovative commodity exchange solutions
  • Seamless FIX API integration
  • Automated execution of trading strategies
  • AI-assisted trading technology
Trading and Exchanges

Tech Stack

We focus on technologies that allow for building reliable, nimble, and secure web & mobile products. Everything we build can be deployed in the cloud to ensure even higher performance and uptime.

React Native
React Native


Google Cloud
Microsoft Azure
IBM cloud

Why choose our fintech software development company


Long-term Partner for Digital Transformation

Our fintech app development company is committed to fostering long-term client relationships, regardless of project size. We are well-versed in the latest FinTech software development technologies like cloud, blockchain, AI, big data analytics, and robotic process automation. So we can support you through each phase of digital transformation, from strategizing to development and execution.


Security and Regulatory Compliance

With a deep understanding of the financial regulatory landscape and associated risks, we deliver advanced risk analytics and compliance solutions to our clients. We guarantee transparent data ownership, establish a secure architecture, and incorporate robust authorization to develop secure applications. Additionally, we employ logging, encrypt sensitive information, utilize tokenization, and implement various other data security practices to safeguard your data.


Dedicated Fintech Engineers

Our team of FinTech engineers is highly experienced professionals with exceptional seniority levels. We have a wealth of experience building apps for the finance sector, and our developers have worked on projects ranging from custom trading platforms to mobile banking applications. By hiring our FinTech developers, businesses gain access to top-tier talent with a proven track record of delivering exceptional results.


Product UI/UX Design

A successful financial service requires a user-friendly interface with thoughtful UI/UX practices and proven technologies that provide a human touch. Our data visualization techniques transform complex financial data into easy-to-understand visuals. Additionally, our advanced analytics dashboards enable businesses to identify trends and make data-driven decisions based on a deeper understanding of their financial data.



Our DevOps team is dedicated to providing seamless and robust infrastructure and software delivery solutions, whether it be cloud-based or on-premises. We rely on cutting-edge technologies such as CI/CD pipelines and Kubernetes to streamline the deployment process and ensure the smooth delivery of software products. Our solutions are scalable and resilient, with the flexibility to adapt to the evolving needs of our clients.


Quality Assurance

Our comprehensive quality assurance services cover every software development life cycle aspect, from initial QA audit to performance and automated software testing. Our focus on quality assurance ensures our clients can deploy software products that meet their expectations and exceed industry standards.


Data Science

Our data science team specializes in Big Data analytics and training AI/ML models that turn data sets into valuable sources of business insights. By leveraging cutting-edge technologies, we empower businesses to make effective, real-time decisions based on the information derived from their data.


Agile Approach

We understand the importance of speed to market in the highly competitive fintech industry. Our Agile approach to software development, paired with our experience in delivering projects and adaptable team size, allows us to expedite the launch of new fintech products. By constantly releasing and improving those, we help you provide value to end-users and stay ahead of the competition.

Engagement models

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What is the role of a fintech software developer?

Fintech software developers design, deliver, and maintain financial software, utilizing their skills in mobile and web development, DevOps, cloud computing, AI, IoT, and blockchain. They collaborate closely with clients to customize solutions that align with their specific requirements while keeping pace with the latest trends and technologies in the industry.

Can outsourcing fintech software development be a viable option?

Outsourcing fintech product development can be a practical solution for businesses that require expert and cost-efficient development but lack the resources or time to hire in-house developers.

What are the steps to create a secure and compliant financial platform?

Fintech applications must comply with diverse security requirements, such as identity management, built-in cybersecurity measures, and adherence to global and regional security regulations. Achieving this requires high expertise in software development financial services, encompassing data encryption, role-based access control, DevSecOps, secure application logic with one-time passwords, and rigorous penetration testing.

What is a way for me to evaluate your level of expertise?

To verify the proficiency and skills of our fintech developers before hiring, Relevant offers a variety of options such as test tasks, technical calls to discuss the project, or reaching out to companies highlighted in our case studies.

What categories of fintech software are within your development capabilities?

We possess vast expertise in fintech app development services, from developing lightweight payroll software and wealth management tools to building ERP software with comprehensive Big Data analytics capabilities. Our capabilities extend to developing other fintech solutions such as mobile payment software, billing software, banking software, document management systems, project management software, and tax preparation software.

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