Fintech software development company
Design, build, and scale secure digital fintech products that simplify complex financial processes and deliver exceptional experiences for your customers.
Custom fintech software development
From digital banking software to digital lending solutions or digital wallet development, we cater our custom, end-to-end fintech software development services to your precise needs. We help you launch innovative products, modernize existing financial platforms, digitize manual processes, or scale your solutions.
With 15+ years of financial software experience across banks, financial institutions, insurance companies, and fintech startups, our products are intuitive, scalable, secure, and aligned with your long-term business goals.
What is fintech software development?
Fintech software development is the process of ideating, designing, building, and maintaining software to meet the specific requirements of the finance industry.
This may simply be for internal use, for example, to digitize manual processes, streamline financial workflows, manage data, or connect existing systems and services. Alternatively, fintech software could be built for external users to address customer needs and meet them with simple, valuable technology. This could be a mobile banking app, digital wallet, payment platform, lending solution, or self-service financial platform.
The complexity and scale of the software can vary, but Infinum will ensure it delivers the greatest impact possible, supporting your digital transformation and delivering a more seamless experience for customers and employees.
Fintech software development services
Move from identifying opportunities to deploying and improving custom software designed to meet your specific business needs.
Here’s how Infinum can help you:
1
Digital banking platforms
Give your customers access to everyday financial services through an intuitive web and mobile experience, from checking balances to making payments and applying for financial products. Your software could provide a simple digital solution for:
- Mobile banking and digital banking platforms
- Account and transaction management
- Personal finance management
- Customer self-service
- Digital lending within banking
Make your financial services more accessible while reducing reliance on manual processes through self-service functionality and integration with existing banking infrastructure.
2
Payment software
Create secure, digital payment experiences with software that doesn’t treat payments as an isolated feature, but integrates them into wider financial products. Infinum software can provide:
- Instant payments
- SEPA payments
- Payment authorization
- Transaction processing
- Payment integrations
Whether you’re a bank developing new digital payment experiences or a fintech company building payments into a wider financial product, payment software can help make your customer’s journey as smooth as possible.
As a verified Stripe Services Partner, Infinum can embed Stripe into your web and mobile applications to streamline payments and improve customer experience.
3
Digital lending software
Digitize the lending journey to help make applications and approval processes simpler for both customers and employees. This can include:
- Loan applications
- Cash advance solutions
- Digital loan approval
- Loan application tracking
- Digital signing
- Lending workflow automation
Build lending functionality into a wider banking platform or develop a dedicated digital lending solution that connects with your existing systems.
4
Digital wallets
Allow your users to manage their money or financial assets through a digital platform. Infinum’s digital wallet development covers:
- Wallet applications for mobile and web
- Asset management
- Financial transactions
- Third-party integrations
Build a product from the ground up, entirely catered to your audience’s preferences and needs.
5
Financial enterprise software
Manage your complex financial products, data, workflows, and operations with software that covers:
- Financial product management
- Investment management software
- Data management
- Internal applications
- Legacy system modernization
- Enterprise workflows
Whether you’re building custom enterprise applications or need consulting on modernization, legacy systems, and technology migrations, Infinum’s financial expertise delivers software that performs at scale.
6
Insurtech software
Design an application for your insurance company or insurance-related financial services, with capabilities such as:
- Policy management
- Claims
- Customer self-service
- Insurance applications
- Underwriting workflows
- Insurance integrations
This functionality modernizes your customer experiences, digitizes insurance processes, and brings more of your services online for easy self-service access.
We also develop with the operational side of insurance in mind, connecting policy management systems and other third-party platforms, automating processes such as rating and verification, and creating separate experiences for customers, underwriters, and other stakeholders.
Build the fintech product you need
Infinum doesn’t only build completely new products. Our services are wide-ranging and tailored to what will have the greatest benefit for your financial organization.
We can help you:
1
Launch a new financial product
You have an idea for a new fintech product but need a development partner to turn it into a working product. We are that ideal partner.
We discover your requirements and technical constraints before developing an MVP to ensure your idea is possible. Then, we’ll create a product strategy, design the UX/UI and architecture, build your product, and launch it.
Let’s bring your vision to life.
2
Modernize an existing financial product
If you already own relevant software but it’s outdated, difficult to maintain, and can’t keep up with integrations and customer expectations, you may not have to replace the whole system.
We incrementally modernize existing systems, gradually introducing new applications, interfaces, services, or integrations while the originals continue to operate.
Meet new expectations without disrupting your services.
3
Digitize manual finance processes
Paperwork, emails, spreadsheets, people moving information between systems, and manual approvals can all slow down your finance business.
A custom application could bring much of that into a single digital workflow.
We build software that brings these repetitive processes into the digital realm, drastically speeding up tasks such as loan applications or document approvals.
4
Scale an existing fintech product
You may already have a fintech product that works but doesn’t measure up in terms of scale and capability.
We’ll work with you to restructure the architecture or cloud infrastructure, expanding its capacity while improving performance and strengthening security along the way. We can also add new functionality and continue to develop the product after its new launch, ensuring it continues to meet your needs and grows alongside your business.
Benefits of using a fintech software development company
01 Personalization
Receive entirely custom-made solutions that align precisely with your business processes, customer expectations, and positioning in the financial market.
02 Operational efficiency
Achieve faster, automated tasks and workflows that boost productivity with software built specifically for your internal operations.
03 Scalability
Adapt to evolving requirements and expansion with software designed for you that grows alongside your business, without the limitations of off-the-shelf solutions.
04 Security
Protect sensitive financial and customer information with robust security from an ISO-27001-certified company, implemented from the very start, not just before launch.
05 Cost savings
Avoid expensive licensing fees and costly inefficiencies with tailored fintech software that’s designed for your unique challenges and needs.
NUMBERS DO THE TALKING
digital products shipped
+1000
Clients worldwide
500
experts on board
400
years in business
20
Why choose Infinum as your fintech development company?
Infinum is a leading software development company with two decades of experience and a wide team of experts backed by cutting-edge technology. We’re adept at creating one-of-a-kind projects to make you and your customers’ lives easier and keep you competitive.
Our end-to-end app customization services are built around the principles of quality, efficiency, creativity, and collaboration.
15+ years of fintech experience
While we’ve been creating software for longer, we have over 15 years of experience specifically in the financial industry, working with banks, fintech startups, insurance, leasing, and asset management organizations.
Product strategy and engineering under one roof
We are end-to-end software developers. This means we cover every aspect of the product lifecycle, from strategy to UX/UI, architecture, development, QA, launch, and ongoing support. We’re your partners, involved right through from discovery to maintenance.
Built for financial complexity
We have a deep understanding of the fintech environment and consider factors such as sensitive financial data, existing systems, complex workflows, regulatory requirements, scalability, and multiple integrations when building your fintech solution.
Security from the start
At Infinum, we build security into our products from the very beginning. We’re an ISO-27001-certified company and therefore carefully follow industry standards for security and data protection. We also offer cybersecurity testing to identify vulnerabilities and strengthen your digital products, ensuring customer details and financial data remain protected. Our cybersecurity team, strengthened by AMR CyberSecurity, part of Infinum, adds accredited penetration testing and security consulting, so financial institutions can find weaknesses before attackers do and meet the testing requirements of regulations such as DORA.
Designed around the people using financial products
UX is one of our particular focuses. We turn complex financial processes into products that customers and employees can actually use, combining user research, product thinking, UX/UI design, and technical expertise to create intuitive experiences that make financial products easier to understand and use.
Our custom fintech software development process
Whatever your business goal, we can help you achieve it with strategic product thinking followed by intelligent custom design and seamless UX. Create products that aren’t only delightfully functional, but also memorable.
Here’s how we do it.
1
Discovery and product strategy
First, we take an in-depth look into your business objectives and customer needs. Then, we review your existing systems and financial workflows to define product requirements, technical constraints, regulatory requirements, and security considerations.
2
Requirements and architecture
At this stage, we determine the project scope and begin mapping out functional requirements and the technical architecture. This includes deciding on your tech stack, integrations, and data flows, along with a project timeline and budget.
3
UX/UI design
We design user-centric fintech interfaces. To do this, we conduct user research and map customer journeys, ensuring everything is accessible and intuitive for outstanding user experience and engagement.
4
Fintech software development
Our expert software developers bring the vision to life, focusing on both frontend and backend solutions as well as mobile, APIs, and cloud infrastructure. We combine high-quality code with agile methodologies to develop reliable, scalable products.
5
QA and security testing
We undertake rigorous testing to ensure performance, security, and scalability meet a high standard. We implement QA at every stage to maintain quality from start to finish.
6
Launch
Finally, it’s time to launch your carefully planned solution. We ensure a smooth transition with minimal disruption and support wherever you need it.
7
Ongoing development and support
Our support doesn’t end after launch. We offer ongoing maintenance, updates, new features, and scaling to keep your solutions running perfectly and ensure they evolve in line with your goals.
Fintech software solutions we’ve built
We’ve been building specialized software solutions for major banks, insurance companies, and fintech startups for 15+ years. From cash advance and loan solutions to instant or SEPA payments, digital document signing, and e-branches, we’ve built a wide range of features that customers love, and businesses thrive on.
- 100K daily active users
- 45% adoption rate
- 264 hours of loan approval time saved
- 4M verified users before launch
- 4 months to MVP
- 20K users engaged with financial literacy content
- App of the Year
- Best in Tech & Innovation
- Among Croatia’s highest-rated banking apps
- From days to hours
- 1,000 contracts signed in the first five months
- 85% vendor adoption
Explore other success stories
Experts in financial technologies
We employ technologies behind our fintech software that support a great user experience and can confidently handle sensitive data, complex integrations, high transaction volumes, and changing business requirements.
We select the tech stack best suited to your product, whether it’s a mobile or web application, backend architecture, or cloud infrastructure.
Mobile fintech development
Build secure, high-performing fintech applications for iOS and Android, including either native experiences or a cross-platform solution.
iOS
Android
Cross-platform
Web and frontend development
Create responsive web applications and customer-facing financial experiences that make complex financial processes easier to use.
Backend and API development
Power the side of your product that users can’t see with backend architecture design that connects new fintech products with existing systems and provides the reliability and scalability needed as they grow.
Backend
APIs
Cloud fintech development
Build fintech applications in scalable cloud environments designed to support changing demand.
Data and AI
Add practical AI solutions to your fintech applications that give customers a better UX and help you maintain a competitive edge.
Who we build fintech solutions for
At Infinum, our fintech software development expertise spans diverse areas of the financial industry, where reliability, security, and scalability are critical.
Banks and financial institutions
We help banks and other financial organizations modernize their digital products while continuing to support complex operations and existing systems.
Our products help you navigate the challenges of working within regulated environments, managing sensitive financial data, integrating with legacy infrastructure, and delivering digital experiences that meet changing customer expectations.
Fintech companies
We partner with fintech companies at different stages, from organizations bringing new financial products to market to established businesses scaling existing platforms. We combine product thinking with engineering expertise to help teams respond to changing markets, evolving customer expectations, complex integrations, and the demands that come with growth.
Insurance companies
We build digital insurance experiences that make it easier for customers to manage their policies and interact with their insurer. Our experience spans the specific operational and regulatory considerations of insurance, including complex processes, sensitive customer information, multiple stakeholders, and the need to integrate new technology with existing systems.
Investment and pension providers
We work with businesses providing investment and asset management, and pension services, where security and accuracy are particularly important. Our understanding of the complex data environments and business processes in these areas allows us to build products that meet your specific requirements.
Leasing and financing companies
We help leasing and financing organizations replace manual, fragmented processes with more efficient digital ways of working. Our solutions keep the involvement of multiple parties, document-heavy workflows, approval processes, and the need to connect new digital experiences with existing financial systems front of mind.
Build fintech software ready for what’s next
Whether you’re modernizing legacy technology, launching a new digital fintech product, or exploring what’s possible with AI, Infinum helps you turn your financial technology goals into secure, scalable software.
FAQs
Frequently asked questions about our services as a fintech software development agency