The top fintech software development companies
Explore the top fintech software development companies to find a partner who understands your business’s intricacies and can help you build the right solutions.
The right partner should offer comprehensive software development services, from product strategy and UX/UI design to engineering, testing, and ongoing support. Whether you need custom enterprise software, a mobile or web app, or a scalable digital solution, look for a team that understands your business goals and can build secure, scalable financial solutions tailored to your customers’ needs.
We have compiled a helpful list of the best fintech software development companies, with a detailed look at their expertise, services, experience, and suitability for your requirements.
The core pillars: security, compliance, and scalability
Before you start looking for the right software development company for your business, consider the non-negotiable foundations of any fintech product. Look for companies that prioritize security, regulatory compliance, and scalable architecture that supports user growth.
Security
Fintech products carry especially high security risk because they handle highly sensitive information, including names and addresses, bank account information, payment card information, and transaction histories. As such, security must be built into every stage of the software development lifecycle. A security failure in fintech becomes more than a technical problem; it can lead to financial losses, identity theft, regulatory penalties, reputational damage, and loss of customer trust.
For these reasons, look for a software development company that understands the importance of a multi-layered security approach. This might include any combination of application security, data security, infrastructure security, and testing.
Compliance
Where security focuses on protecting systems and data, compliance asks whether your software meets relevant laws, regulations, standards, and contractual requirements.
Which regulations and standards apply depends on the fintech product, geography, business model, and data handled. While not every fintech company automatically has the same compliance obligations, the ones to be familiar with are:
1
PCI DSS
The Payment Card Industry Data Security Standard (PCI DSS) is a security standard designed to protect payment card data. When handling payment card information, you need appropriate security controls to reduce the risk of theft or compromise. For example, a development team should consider whether it needs to handle raw card data or could instead use a third-party payment service to reduce the amount of sensitive card data entering your company’s systems.
2
ISO 27000/ISO 27001
ISO/IEC 27000 refers to a family of standards concerning information security management. The standard you should focus on most in this context is ISO 27001, which covers establishing an Information Security Management System (ISMS). While PCI DSS focuses specifically on protecting payment card data, ISO 27001 is broader and covers your organization’s overall security.
3
GDPR
The General Data Protection Regulation (GDPR) is the EU’s major data protection law. It governs how your organization collects, uses, stores, shares, and protects personal data, which is especially important for fintech applications. While ISO 27001 is a voluntary international standard, GDPR is a legal and regulatory framework.
4
PSD2/PSD3
The Payment Services Directive (PSD2) is the EU regulation governing electronic payments. It sets requirements for strong customer authentication, secure API access to account data, and fraud prevention, shaping how payments and open banking products are built. Its successor, PSD3, is being introduced alongside a new Payment Services Regulation (PSR) and is expected to tighten fraud monitoring and liability rules. A good development partner should design your architecture with these upcoming changes in mind to avoid costly rework later.
5
DORA
The Digital Operational Resilience Act (DORA) is an EU regulation designed to strengthen the digital operational resilience of financial services. It sets requirements for ICT risk management, incident reporting, resilience testing, and managing risks associated with third-party technology providers. For fintech companies working with an external development partner, consider how its security practices, incident response processes, business continuity arrangements, and contractual commitments support your organization’s DORA obligations.
Scalability
Scalability is all about whether the technology can handle growth without performance, reliability, or cost becoming problematic. You need a software development company that builds scalable software for your customer base. Without it, you might see slow response times, failed transactions, system downtime, database bottlenecks, and a poor user experience. In fintech, this is especially critical: if the application fails while someone is making a payment or transferring money, the consequences can be far more serious.
A step-by-step approach to choosing your fintech development partner
Along with the key considerations above, follow these steps before evaluating the top fintech software development companies, so you know exactly what you need from your provider.
1
Define project scope and business goals
The right partner depends on the project you need, so start there. Determine what you require, whether it is a digital banking platform, payments application, lending platform, or something else. Each has different requirements, which some developers will meet better than others. As part of this initial stage, define core functionality, technical requirements, regulatory requirements, timeline, and budget.
2
Evaluate technical expertise and industry specialization
Check whether the vendor not only has the technical capabilities you require, but whether you can see proof that they have successfully used those technologies to solve problems similar to your own. Look for case studies that show relevant projects, similar product types, and experience with regulated industries that make you feel confident that they have the skills, knowledge, and experience required to make your own project a success.
3
Assess their security and compliance protocols
Examine how well your potential partners meet the security and compliance protocols mentioned above. You should investigate their development practices, data protection, infrastructure, and compliance. You need a partner that understands how technical architecture and development practices support your compliance obligations.
4
Understand their project management methodology
Building fintech software starts with technical skills, but also requires a coordinated team and a comprehensive methodology. It is often best to work with a partner that values open-mindedness and knows whether a traditional, agile, or hybrid project management approach best fits your project.
5
Ask the right questions
While all of the information above is essential, it can be tricky to know exactly what to ask when discussing your project with developers. Ask questions relating to different areas, including experience, approach, technology, security, compliance, and cost.
These include, but are not limited to:
- Who will actually work on our project?
- What architecture would you recommend and why?
- What security testing do you perform?
- How do you incorporate regulatory requirements into technical design?
- Will the project use a fixed-price or time-and-materials pricing model?
Once you’ve defined your requirements and established a framework for evaluating potential partners, you can compare fintech software development companies consistently.
Exploring the top fintech software development companies today
Ultimately, there is no ‘best’ fintech software development company; there are simply those that are best suited to your requirements. Think about how the criteria above apply to your project to help identify which of the development companies below might be right for you.
| Company | Fintech focus | Notable work | Best for |
| Infinum | Digital banking, lending and credit, payments, digital financial services, financial services modernization | Digital pension-insurance platform for Modra zavarovalnica (300,000+ potential users) | Banks, financial institutions and fintechs wanting a long-term partner where security and compliance are priorities |
| ELEKS | Banking, investment and asset management, trading, payments, fraud detection, risk modeling | Enterprise financial services suite, investment research marketplace | Established firms with complex, data- or risk-heavy platforms |
| Itexus | Digital banking, payments, lending, wealth management, trading, insurance, digital assets | Digital lending platform automating KYC, credit scoring, and underwriting | Startups and established businesses wanting end-to-end delivery |
| ScienceSoft | Payments, lending, investment and wealth management, insurance, DeFi | Mobile banking apps for banks with millions of customers, loan management systems, payment gateways | Established institutions building complex, data-intensive or highly regulated software |
| Netguru | Payments, digital banking, lending, KYC | Work for Spendesk, Solaris, FairMoney, Moove and Dock Financial | Startups and established firms that prioritize UX and rapid development |
| BairesDev | Banking, payments, lending, investment, insurance, blockchain | Azlo (digital banking), REPAY (infrastructure across 100 AWS accounts) | Organizations needing extra engineering capacity or staff augmentation |
| Praxent | Banking, lending, payments, insurance, wealth management, capital markets | NEWITY’s small-business lending platform, modernization of DCI’s digital banking platform | Banks and lenders modernizing legacy systems, especially in lending |
Now that you have a better understanding of each development company’s offerings, let’s explore them in more detail.
Infinum
Infinum is an AI-native, end-to-end solution provider that supports your fintech software development at every stage of the lifecycle so you stay ahead of the curve.
Expertise
Infinum has over 15 years of experience building specialized software for banks, insurance companies, and fintech startups. It has experience across a broad range of financial products and use cases, spanning areas including payments, lending, digital banking, and insurance.
Services
The company provides end-to-end product development, including software engineering, mobile and web development, UX/UI design, cloud infrastructure, DevOps, QA, data, and cybersecurity. In financial services, Infinum has experience developing cash-advance and lending solutions, instant and SEPA payment systems, digital document-signing solutions, and e-branch platforms.
Relevant experience
Infinum’s financial services portfolio includes projects across banking, payments, lending, and insurance. For example, its work with Modra zavarovalnica involved building a digital pension-insurance platform for more than 300,000 potential users, with a cloud-based backend and autoscaling to support demand.
Best for
Infinum is well suited to banks, financial institutions, and fintech companies seeking an experienced long-term technology partner, especially for projects where security, regulatory requirements, scalability, and sophisticated product development are priorities.
ELEKS
ELEKS uses decades of industry insight to develop bespoke software engineering outsourcing services.
Expertise
ELEKS has over 30 years of experience in software development and significant expertise in financial services. Its fintech work covers banking, investment management, asset management, trading, payments, and accounting, as well as areas such as fraud detection, risk modeling, and data analytics.
Services
ELEKS provides full-cycle software development, including custom application development, cloud and DevOps, data science, AI/ML, cybersecurity, and QA. For financial services, it develops solutions such as online and mobile banking platforms, open banking systems, payment platforms, fraud detection tools, and risk-management solutions.
Relevant experience
Its financial-services portfolio includes projects such as an enterprise suite for the financial services industry, a mobile fintech app for shareholder voting, and an investment research marketplace. It also has experience developing digital insurance platforms.
Best for
ELEKS could be a good fit for established financial organizations and fintechs with complex software requirements, particularly projects involving data, risk management, banking, payments, or large-scale financial platforms.
Itexus
Itexus develops custom, enterprise-grade financial software solutions in regulated, high-load, integration-heavy environments and provides end-to-end delivery.
Expertise
Itexus focuses specifically on fintech and financial software, with experience across digital banking, payments, lending, wealth management, trading, insurance, and digital assets.
Services
It provides full-cycle software development, from consulting and product discovery to UX/UI, engineering, QA, and deployment, plus ongoing support and maintenance. Its services include digital banking, payment and wallet platforms, lending solutions, trading systems, wealth-management software, and financial data/analytics.
Relevant experience
Itexus has developed a range of financial products, including digital wallets, mobile banking applications, wealth-management platforms, and digital lending solutions. One example is a digital lending platform that automated loan applications, KYC, credit scoring, underwriting, payments, and reporting for small businesses.
Best for
Itexus could be a good fit for fintech startups and established financial businesses looking for an end-to-end development partner, particularly those building digital banking, payments, lending, trading, or wealth-management products.
ScienceSoft
ScienceSoft is an AI transformation and software development company offering end-to-end support for financial services.
Expertise
ScienceSoft has specialized in banking, financial services, and insurance (BFSI) since 2005, with expertise spanning payments, lending, investment and wealth management, insurance, and decentralized finance.
Services
It provides full-cycle software development and IT consulting, covering product consulting, custom software development, data and analytics, cloud, cybersecurity, QA, and ongoing support. Its fintech offering includes digital banking, payment platforms, lending systems, and financial analytics solutions.
Relevant experience
ScienceSoft has worked on a broad range of financial projects, including mobile banking applications for banks with millions of customers, loan management systems, payment gateways, investment management platforms, and insurance automation software. Its portfolio includes projects for financial institutions with billions of dollars in assets.
Best for
ScienceSoft could be a good fit for established financial institutions and fintechs developing complex, data-intensive, or highly regulated software, especially when enterprise-scale engineering and compliance are key.
Netguru
Netguru is a software development company that provides custom approaches for the financial and fintech sectors.
Expertise
Netguru has over 18 years of experience and specializes in digital product development, with dedicated expertise in fintech, banking, and financial services. Its financial-sector work spans payments, digital banking, lending, Know Your Customer (KYC) verification, and financial management.
Services
Its services cover the full product lifecycle, including product strategy, UX/UI design, web and mobile development, cloud and DevOps, QA, cybersecurity, and ongoing support. It also offers fintech-specific development around payments, banking, KYC, and compliance solutions.
Relevant experience
Netguru has worked with financial technology companies including Spendesk, Solaris, FairMoney, Moove, and Dock Financial. Projects include banking-as-a-service, KYC infrastructure, lending, and scalable fintech applications.
Best for
Netguru is well suited to fintech startups and established financial businesses that want a product-focused development partner. It is a good choice when you need UX, rapid development, and scalable digital products.
BairesDev
BairesDev is a software development and staff augmentation company that enhances financial processes and optimizes internal operations.
Expertise
BairesDev has broad software engineering experience in financial services, including banking, payments, lending, investment, insurance, fraud prevention, and financial analytics. Its fintech offering also extends into blockchain and digital assets.
Services
Its services include custom software development, full-stack engineering, DevOps, cloud, QA, AI/ML, and cybersecurity, along with fintech-specific development for digital banking, payment processing, lending, compliance, and risk-management systems.
Relevant experience
BairesDev has worked with financial companies including Azlo (a digital banking platform) and REPAY (a payment-processing provider). Its work with Azlo included banking features, data migration, and CI/CD infrastructure, while its REPAY engagement focused on maintaining infrastructure across 100 AWS accounts for a payment-processing platform.
Best for
BairesDev could be a good fit for financial organizations that need additional engineering capacity or large-scale software development, particularly for staff augmentation, cloud infrastructure, or complex engineering work.
Praxent
Praxent is a fintech design and engineering partner that works with financial companies looking to lead in digital.
Expertise
Praxent is particularly focused on financial services, with expertise across banking, lending, payments, insurance, wealth management, and capital markets. The company has over 25 years of fintech experience and has delivered more than 450 transformations.
Services
Praxent combines digital strategy, UX/UI design, custom software development, mobile development, systems integration, cloud, DevSecOps, QA, and data strategy. It also strongly emphasizes helping financial organizations modernize legacy systems and adopt AI.
Relevant experience
Lending is a particularly established area for Praxent: with many of its clients in lending, it has worked on loan-origination and servicing experiences, banking platforms, and financial technology products.
Best for
Praxent could be a strong fit for banks, lenders, and other established financial services businesses looking to modernize legacy technology or improve digital financial experiences, especially where domain expertise and lending experience matter.
The role of AI in modern fintech
We mentioned AI in relation to some of the software development companies above, and it is an important factor to consider today. Financial businesses generate huge amounts of data every day, relating to transactions, customer behavior, credit histories, market data, and more. AI analyzes large datasets and identifies patterns that would be difficult for your team to identify manually. Partnering with someone who understands this helps your business keep up and move in the right direction.
AI can also help with fraud detection, credit risk assessments, customer service support, personalized financial services, predictive analytics, and more. If your chosen software development company doesn’t use AI in these areas, you risk falling behind at launch.
Build your competitive edge in the fintech arena with Infinum
When your fintech product demands more than general software engineering, choosing a partner with proven financial-sector expertise can make all the difference. Infinum brings more than 15 years of fintech and banking experience to end-to-end product development, supporting clients from product strategy and UX/UI design through engineering, cloud infrastructure, testing, and ongoing development.
Security is a key differentiator for Infinum, with dedicated cybersecurity expertise and experience in highly regulated industries, including finance. Its security credentials include ISO 27001 and SOC 2, and its cybersecurity team is also a PCI DSS Qualified Security Assessor (QSA) with NCSC CHECK, CREST, and STAR accreditations.
For financial products where security, scalability, regulatory requirements, and user experience must work together, Infinum offers the fintech expertise and technical capabilities to take a product from concept to long-term growth.
Let’s talk about your fintech software development needs
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