Financial services have gone digital. From mobile banking and online lending to robo-advisors and digital wallets, more people now manage their money through apps than in person.

This shift has created a huge demand for reliable, secure, and user-friendly fintech solutions, making fintech development companies more essential than ever. Banks, credit unions, insurance providers, investment firms, e-commerce platforms, and fintech startups alike are seizing the opportunity to build digital products that meet modern expectations.

If you’re among them, you might be looking for a reliable partner to turn your idea into a reality. We’re here to help — below is a list of the top fintech software development companies to get you started.

Best Fintech Software Development Companies

1. Vention

Vention is a fintech app development company with over 20 years of experience, serving both startups and large enterprises. A global team of 3,000+ developers allows Vention to match you with top engineering talent in your time zone. To date, they’ve supported 500+ leading clients, including PayPal, IBM, PwC, and others.

The team at Vention offers end-to-end expertise, from initial concept through delivery and refinement, as well as fintech-focused consulting to navigate you through building secure, scalable financial solutions. Whether you need help crafting a fundraising case, defining an MVP’s scope, selecting vendors, or developing B2B or B2C fintech applications, this team is here to guide you every step of the way.

• Services and expertise: web development, mobile app development, custom software development, AI development, AR/VR development, blockchain
• Tech stack: ReactJS, .NET, Angular, NodeJS, Flutter, React Native, JavaScript, Java, ASP.NET, Go
• Location: New York, NY, United States
• Team size: 3,000+ experts
• Portfolio: PayPal, IC Markets, StoneX, DealCloud, IBM, PwC, EY, and others

2. Simform

With a proven track record across healthcare, logistics, retail, e‑commerce, and professional services, Simform is also home to the best fintech software developers in the United States and beyond. This team’s deep-rooted heritage in UX-led experience engineering, combined with their unmatched expertise in cloud, data, and AI, enables them to build class-leading digital solutions.

Simform’s fintech offerings span real‑time payments, P2P lending and mortgage automation, wealth management platforms, software for banks, and next‑gen DeFi and RPA solutions. Fintech experts at Simform implement advanced ML for fraud detection, e-KYC digital onboarding, NLP-powered virtual assistants, Open Banking API integrations, NFC and BLE-enabled wallets, blockchain‑based compliance tools, and more, helping their clients modernize operations and accelerate innovation.

• Services and expertise: custom software development, mobile app development, AI development, cloud services
• Tech stack: ASP.NET, C#, Java, JavaScript, other programming & scripting languages, PHP, Python, Ruby, SQL, Swift, .NET, Angular, Django, Flutter, NodeJS, React, React Native, VueJS
• Location: Orlando, FL, United States
• Team size: 1,300+ experts 
• Portfolio: Bank of America, Marriott, Hilton, Cooko, System Loco, Pepsico, Red Bull, and others

3. ScienceSoft

ScienceSoft is a trusted IT consulting and software development partner serving clients worldwide. The company delivers full-cycle software services for 30+ industries, with a strong focus on banking software solutions. Since 2005, ScienceSoft has helped numerous banks modernize their core systems, launch custom web and mobile banking apps, and build secure customer portals.

The team at ScienceSoft also has extensive experience building investment, lending, payment, loan processing, and P2P solutions. As the experts at ScienceSoft put it, they design and build robust fintech solutions that help companies take their business operations to the next level while ensuring data security and regulatory compliance. If this is what you’re looking for among the best banking software development companies, consider reaching out to ScienceSoft.

• Services and expertise: mobile app development, web development, custom software development 
• Tech stack: Java, C#, JavaScript, Kotlin, Objective C, PHP, Python, Ruby, Swift
• Location: McKinney, TX, United States 
• Team size: 750+ experts 
• Portfolio: LaterPay, Pointlogic, Kapital Bank, Unibank, Edgewell, IBM, eBay, and others

4. Fingent

One of the best fintech software development companies in the world, Fingent is a US-based firm with a global presence spanning the UAE, Australia, and India. With over 20 years of experience, Fingent has delivered 800+ projects across 14+ countries. The company offers a broad range of fintech solutions, including digital banking, payment processing, lending platforms, personal financial management tools, and others.

By leveraging cutting-edge technologies like AI, blockchain, and machine learning, Fingent ensures enhanced efficiency and customer experience in financial services. Its products feature user-friendly interfaces, efficient workflows, and robust integrations with existing systems. The firm provides white-label banking app development services, making it a perfect choice for fintech startups. 

• Services and expertise: custom software development, mobile app development, web development, AI development, AR/VR development 
• Tech stack: .NET, Angular, Laravel, NodeJS, Django, React Native, React, ASP.NET, PHP, JavaScript, Python 
• Location: White Plains, NY, United States 
• Team size: 600+ experts
• Portfolio: Mastercard, ImpactXM, Sony, JK Fenner, PwC, NEC, AGP, and others

5. Geniusee

If you’re looking to hire fintech software developers in Europe, Geniusee could be your way to go. One of the top fintech software development companies in Europe and globally, Geniusee is a mobile app, web, and custom software development company with engineering hubs in Ukraine and Poland. Since its launch in 2017, the company has delivered over 180 successful projects across fintech and other sectors.

With a team of 200+ certified professionals, the company offers full-cycle development, tech consulting, and long-term support. They build banking software solutions, e-wallets, lending software, trading platforms, wealth and investment management applications, and more. According to the experts at Geniusee, they aim to mutually thrive and exceed your expectations, which is why they always follow the best practices and expand their expertise in technologies that revolutionize fintech, which sounds really inspiring.

• Services and expertise: web development, mobile app development, custom software development, AI development 
• Tech stack: Django, Node.js, React, React Native, Spring MVC, Java, Kotlin, Python, Swift, Typescript
• Location: Warsaw, Poland 
• Team size: 200+ experts 
• Portfolio: Zytara, Chegg Money, FinanceUnlocked, XDB Foundation, FactMata, DataRobot, and others

6. Praxent

Praxent is a financial services-focused software development company that has been turning financial technology from vision into reality for over two decades. With 450+ digital transformations delivered, Praxent excels at modernizing outdated systems, designing high-performing digital products, and implementing complex fintech integrations.

Recognized as one of the best banking software development companies in the United States, the firm offers tailored services like core system migrations, Banking-as-a-Service (BaaS) layer development, fraud tech strategy, and omnichannel experience design. In addition, Praxent’s team of US and LATAM-based engineers and designers delivers payments, lending, and insurance application development. Praxent emphasizes meeting customer needs, now and in the future, so if this sounds like you, consider partnering with this team.

• Services and expertise: custom software development, mobile app development, UX/UI design, web design
• Tech stack: Spring MVC, NodeJS, React Native, VueJS, Angular, Symfony, ASP.NET, C#, Java, JavaScript, Python, AJAX, Objective C, PHP, Redux, SQL, Swift
• Location: Austin, TX, United States 
• Team size: 150+ experts
• Portfolio: NEWITY, Ameritas, OpenLending, Dimensional, Nymbus, and others

7. Cleveroad

A go-to software development partner for travel, medtech, logistics, education, and retail, the New York-based Cleveroad is also known as home to the best fintech software developers. They offer their professional assistance with building electronic trading platforms, digital wallets, online payment systems, AI-powered financial data analysis systems, and other solutions to help businesses meet modern market demands.

The company has offices in five countries worldwide and an R&D center based in Tallinn, Estonia, enabling the team to work efficiently with clients across time zones. As the experts at Cleveroad say, their initial goal is to make their clients confident of their quality. For this, they promise to immerse themselves in your business challenges and involve you in the process as soon as they can.

• Services and expertise: web development, mobile app development, custom software development 
• Tech stack: .NET, Flutter, GatsbyJS, NextJS, NodeJS, React Native, VueJS, ASP.NET, Typescript, JavaScript, Go, Ruby 
• Location: New York, NY, United States 
• Team size: 280+ experts
• Portfolio: Osmo, TBS AG, OptimallyMe, Mangopay, Mastercard, Just Play, and others

8. TechMagic

TechMagic is a full-cycle fintech app development company with over a decade on the market and a team of 350+ specialists. TechMagic assembles dedicated teams for clients worldwide, creating innovative software for banks, lending companies, credit unions, wealth management firms, insurers, and other businesses operating in the financial services space. They cover the entire development process, from the discovery phase to delivering an MVP, deployment, and maintenance.

The team follows agile practices, bringing the latest technologies and software development methodologies to businesses. With a proven track record of 120+ successful projects, a broad tech stack, top-tier service at an affordable price, and proactive team culture, this company rightfully earns its place among the top fintech software development companies.

• Services and expertise: custom software development, mobile app development, AI development, cloud consulting
• Tech stack: NodeJS, .NET, Angular, NextJS, Java, JavaScript, PHP, Python, TypeScript, React, React Native, VueJS
• Location: Krakow, Poland 
• Team size: 350+ experts
• Portfolio: MyTelescope, Tide, Acorn-i, Fractal Labs, Spott, Bamboo, Mamo, and others

9. N-iX

N-iX is a global 2,400-strong team delivering a range of services, including custom financial software development. Headquartered in New York, N-iX boasts a presence across 25 countries in Europe and the Americas, helping organizations turn challenges into lasting business value, operational efficiency, and revenue growth.

Since its launch in 2002, N-iX has delivered 250+ finance projects, including solutions for lending, payments, fraud prevention, KYC, cybersecurity, data analytics, and regulatory compliance, empowering banks, insurance companies, and capital markets to stay ahead. The team can help you leverage the power of AI and ML to enhance security, personalize customer interactions, and optimize operations, delivering practical value to your organization.

• Services and expertise: custom software development, AI development, cloud consulting, IoT development
• Tech stack: React, Angular, Vue.js, Next.js, Gatsby, Svelte, Nuxt.js, Ember.js, .NET, Ruby on Rails, ASP.NET, Java, PHP
• Location: North Miami Beach, FL, United States
• Team size: 2,400+ experts
• Portfolio: Innovation Group, Questrade, Currencycloud, Seeking Alpha, Cleverbridge, Discovery, and others

10. DeepInspire

DeepInspire is a fintech product development company with 25 years of experience helping fintech CEOs, CTOs, and product owners overcome their biggest challenges. The company is headquartered in London, UK, with an R&D office in Lviv, Ukraine. The company’s core expertise spans online banking, payments and wallets, trading and exchanges, investment management, personal finance, blockchain, and KYC/KYB/AML compliance.

DeepInspire assembles full product teams — developers, designers, architects, and QA engineers — and follows a product-first approach that meets real business goals. With seamless project management, business-driven architecture, and dedicated support, this company could be your perfect partner in fintech software development.

• Services and expertise: custom software development, AI development, blockchain, UX/UI design 
• Tech stack: .NET, Angular, NodeJS, React Native, C#, Java, SQL, Swift
• Location: London, United Kingdom 
• Team size: up to 50 experts 
• Portfolio: Experian, Baird & Co., Hexagon, OMEGA, MobileQnect, and others

11. Django Stars 

Django Stars is a software development company with 16+ years of experience delivering secure, scalable, and user-friendly digital solutions. They have built a strong reputation in fintech by powering platforms that handle complex financial operations with precision and reliability. Trusted worldwide, Django Stars has helped its clients raise more than $1B in funding, supported by an exceptional 92.7% Net Promoter Score.

With over 100 engineers on board, Django Stars provides full-cycle development services tailored to the needs of fast-growing and enterprise clients alike. The company is certified by the highest industry standards: ISO 27001:2013 for security and ISO 9001:2015 for quality management. On average, clients stay with Django Stars for 3.2 years, a testament to their ability to deliver lasting value. The company’s portfolio includes numerous successful projects in fintech, alongside other industries that demand reliability and scalability.

• Services and expertise: Custom Software Development, Web Development, Mobile Development, Product Design, AI and ML Development, Software Development Consulting, MVP Development
• Location: Ukraine, Spain, Switzerland, the United States
• Team size: 100+ specialists
• Portfolio: Money Park, Molo Finance, Repositax, Sindeo, Clear Minds, Sanostro, Lendage

Conclusion

When selecting your ideal fintech development partner, look for a team with proven experience in your niche. Some companies specialize in building payment integrations, others focus on compliance solutions, and some are known as the best banking software developers.

We hope this list helps you find and hire fintech software developers who understand your challenges and can deliver a product that meets both user expectations and industry standards.

If you want to feature your fintech software development company on this list, email us or submit a form in the Top Choices section. After a thorough assessment, we’ll decide whether it’s a valuable addition.