15 Top Banking Software Development Companies

Software for finance sets the foundation for critical operations — payments, transactions, conversions, etc. These processes often determine the destinies of entire banks and financial institutions. This is why to develop new banking software, you need a company that:  

1. Specializes in finance solutions
2. Has tech stacks for banking software development
3. Offers teams of finance-savvy specialists
4. Boasts banking case studies and clients

Below is a diverse choice of the top banking software development companies that meet each of the above criteria. Let’s take a look.

List of 15 best banking software development companies

Django Stars

Django Stars is a top Banking software development company for one-stop, custom full-cycle projects of any scale. The team works with a juggernaut tech stack to create new banking apps and modernize legacy systems. 

Django Stars develops core banking systems and online platforms, dedicated mobile apps and CRMs, as well as custom solutions for investment management, lending, regulatory compliance, and fraud detection.

• Services offered: Core banking system development, Mobile banking app development, Online banking platform development, Lending software development, Investment management software development, Banking CRM development, Regulatory compliance software development, Payment and transaction solutions, Fraud detection solutions.

• Technology stack: Python/Django, JavaScript, React, Vue.js, React Native, Node.js, AWS, Docker, PostgreSQL.

• Team size: 100+

• Year founded: 2008

• Top clients: Money Park, MOLO, Repositax, Consolitech, etc.

Finastra

Finastra has been providing world-class banking software developers since 2017, when it was born from the merger of Misys and D+H. Today, it serves over 8,000 financial institutions across 130+ countries, including major global banks. 

Finastra’s extensive staff specializes in innovative lending, payments processing, digital banking, and treasury systems. It has built smart bots for big banks, modernized legacy systems, and integrated highly automated AI models.

• Services offered: Lending and corporate banking solutions, Digital banking, Banking software development, Payments-as-a-Service, Next-gen banking, Analytics, and AI.

• Technology stack: Java, PHP, JavaScript, AngularJS, LaserPro, Mortgagebot, AI/ML tools.

• Team size: 8K+

• Year founded: 2017

• Top clients: Astra Bank, Florida Capital Bank, and ING.

Fiserv

A veteran company founded in 1984, Fiserv. is a global fintech and payments tech provider specializing in digital banking, billing, and commerce solutions. Specialists at Fiserv. work with everything from everyday digital wealth management to complex payment ecosystems.

As for custom banking solutions, they create omnichannel billing and payments platforms, core processing, debit/credit card systems, and fintech-enabling tools.

• Services offered: Banking-as-a-Service, Digital billing and payments solutions, Omnichannel commerce, All-in-one systems, FinTech solutions.

• Technology stack: Java, COBOL, Fiserv. VMware Virtualization Platforms, DNA & Fiserv. Developer Studio.

• Team size: 30K+

• Year founded: 1984

• Top clients: Howard Bank, Lenme, Central Bank & Trust Co.

Backbase

One of the best banking software development companies with an AI focus, Backbase is a Dutch startup that specializes in unifying bank data channels. It operates globally from offices in Amsterdam, Atlanta, London, and Singapore. 

Backbase houses over 2K FinTech app developers and designers who work on legacy systems, create new user engagement solutions, and integrate relevant tech for banks and financial institutions. 

• Services offered: Wealth management, Digital banking, Payment modernization, Product expansion, Software development, AI Transformation.

• Technology stack: Java, NodeJS, AngularJS, TypeScript, Spring, Kotlin, NGINX, Oracle, Jenkins, Confluence. 

• Team size: 2,000+

• Year founded: 2004

• Top clients: TechcomBank, Alliant, EverBank, National Bank of Canada. 

Sombra

Sombra is a globally distributed software development and IT consulting firm with a strong focus on high-impact finance engineering solutions. Sombra modernizes banks, builds new scalable apps, and integrates Salesforce and AI/ML with banking infrastructures. 

All of that is achieved with the help of 400+ experts based in Europe, the Americas, and the Middle East. Sombra boasts AI consultancy skills, experience of delivering over 300 projects, and readiness for end-to-end core banking development with a robust tech stack.

• Services offered: Software development and modernization, Product design, Quality engineering, DevSecOps, AI and ML, and Salesforce expertise.

• Technology stack: C#, React Native, VueJS, Angular, Spring, ElasticSearch, Go, PHP, Laravel, NodeJS, Ruby, Python, Express, etc.

• Team size: 400+

• Year founded: 2013

• Top clients: InfoMart, Datacubed Health, Blinq Networks.

Mambu

Mambu is a smaller, yet fast-growing fintech provider that offers a cloud-native, SaaS core banking platform. Mambu is designed to be integrated with digital banking infrastructures and fintech apps to expand a bank’s capacities and outreach. 

The brand was first launched in 2011 and has since integrated with notable banks such as Santander and N26. On the technical side, Mambu is among the most flexible digital banking platforms, with in-depth personalization and flexible built-in features for development. 

• Services offered: Core banking integration, Cloud services, Lending engine, Payments gateway, Banking-as-a-Service, BNPL, Embedded finance, etc.

• Technology stack: AWS, Java, MySQL, Salesforce, React, Gatsby, Oracle, Google Cloud, etc. 

• Team size: 700–750 

• Year founded: 2011

• Top clients: N26, Chetwood Bank, Interbridge Mortgages, Santander Bank.

SDK.finance

SDK.finance is a specialist fintech platform offering a white-label banking and payments stack that accelerates the launch of digital financial products. The SDK at the platform’s core can be leveraged by banks to integrate a unique stack of features and digitize infrastructure. 

This is made simple with the support of REST APIs, modules, and various deployments. Meanwhile, mobile banking app development allows client banks to gain complete control and transparency, even on the go. 

• Services offered: White-label banking, Cloud banking, Core and neobank development, Mobile banking apps, Transaction processing systems, etc.

• Technology stack: Java, Spring, Hibernate, VueJS, TypeScript, React Native, Kafka, Swagger, etc.

• Team size: 40+

• Year founded: 2013

• Top clients: Geidea, Paywell, MPAY.

nCino

nCino is a cloud-based financial software agency with a focus on data analytics and AI-powered processes. The nCino platform is a powerful hub for insightful data, management tools, and features that help digitize a bank’s operations. 

It is customizable and very finance-oriented, making it a favorite of thousands of institutions worldwide, including, no less, the Bank of America. nCino is a proven on-demand platform that can be flexibly integrated with a bank, but the integration is always very individual.

• Services offered: Data, AI, and analytics; Client lifecycle management, Digital experiences, Mortgage and lending solutions, etc. 

• Technology stack: Salesforce, HTML5, WordPress, G2 Stack, etc.

• Team size: 1,700–1,800

• Year founded: 2011

• Top clients: Bank of America, Santander Bank, Barclays, etc.

Praxent

Praxent is a versatile, AI-oriented provider of embedded banking and digital transformation for institutions. It is a time-tested agency (est. 2000) with a small team of specialized focus — delivering financial services through FinTech, automated, and SaaS solutions. 

Praxent consults business-boosting optimizations, designs new apps, and engineers secure banking systems from scratch. 

• Services offered: Digital banking, Auto finance, Commercial lending, FinTech SaaS, Investment and wealth management, etc.

• Technology stack: Scikit-learn, C++, OWASP, Gravity Forms, HTML.

• Team size: 120–130+

• Year founded: 2000

• Top clients: Locality Bank, Nymbus, Thread Bank.

Impltech

Impltech is a custom software and web development agency that was founded in 2016, providing consistent services and remaining a true banking technology partner for fintech, enterprise, and consumer clients. 

Impltech works with a versatile stack of ReactJS, Spring, Node.js, and cloud tools. The company provides fast launchpads that banks and startups can access and leverage instantly to build useful products. 

• Services offered: Custom software and web development, UI/UX design, Mobile and MVP development, AI solutions, etc.

• Technology stack: Java, Spring, PostgreSQL, ReactJS, JavaScript, Swift, Kotlin, Flutter, NodeJS, Python, PHP, C#, AWS, etc.

• Team size: 75+

• Year founded: 2016

• Top clients: Board, Refuture, Connect44.

Thought Machine

A mid-scale FinTech software firm with huge clients and extensive technological output, Thought Machine builds feature-rich core banking systems. Namely, it has built the Vault Core platform, which major global banks use instead of legacy infrastructure. 

JPMorgan Chase uses Vault Core for next-gen digitization, with cloud-native principles, automated deployments, and well-configurable products. Other banks can leverage the platform and a slew of Thought Machine’s other services for optimization and scaling. 

• Services offered: Retail core banking systems, Cloud payments, Data integration and deployments, etc.

• Technology stack: Vault Core, AWS, Azure, Google Cloud Platform, etc. 

• Team size: 500+

• Year founded: 2014

• Top clients: JPMorgan Chase, Standard Chartered, Lloyds Banking Group, etc.

Itexus

Itexus is a fintech software development and consulting provider that builds online banking solutions from scratch, including apps, wallets, infrastructures and DeFi implementations. The company leverages a sturdy stack of Python, Django, and Java expertise. 

Itexus does client-oriented customization, consulting skills, and integration services. This is a go-to provider for finely-tuned, authentic fintech platforms, neobank apps, embedded finance solutions, enterprise-grade banking software, etc. 

• Services offered: FinTech software development, Banking-as-a-Service, Consulting and project auditing services, Banking app development, AI software, etc.

• Technology stack: Python, Django, Ruby, NodeJS, .NET, C#, Java, React, Vue, Angular, React Native, etc.

• Team size: 150+

• Year founded: 2013

• Top clients: finloup, Higher Status Global, LucidTrade.

Temenos

Temenos has been providing core banking IT services and financial tech since 1993. The Temenos Core system has powered the digital operations of thousands of banks globally, with a modular environment set for cloud-agnostic deployment options. 

Temenos Core packs a suite of tools for retail, corporate, and wealth management, including dashboards, AI/ML predictive risk management, and banking innovation. Apart from that, Temenos has over 6K remote specialists available for end-to-end development.  

• Services offered: Digital banking, Core banking integration and modernization, Wealth management, Corporate and commercial systems.

• Technology stack: Oracle, SUSE Rancher, AWS, GCP, Azure, HTML5, Temenos Transact. 

• Team size: 6,200+

• Year founded: 1993

• Top clients: Commerce Bank, Morgan Stanley. 

Avenga

Avenga is a software engineering powerhouse that helps banks and startups gain the power of AI and omnichannel tools. Its digital transformation services include intelligent automation, AI-driven analytics, and new financial app development. 

By tailoring AdTech and MarTech systems, Avenga enables brands to expand their digital infrastructure into one-stop ecosystems with exclusive functionality. Lastly, Avenga offers a mighty staff of over 6K professionals, promising no shortage of dedicated teams. 

• Services offered: AdTech and MarTech for banking, Intelligent automation, Managed services, Product engineering, etc. 

• Technology stack: AWS, Azure, GCP, .NET, Angular, NodeJS, React, React Native, Apex, Python, Java, C#, Objective C, etc.

• Team size: 6,000+

• Year founded: 2019

• Top clients: Allianz, Fidelity International, Radium Capital. 

Innowise Group

Innowise Group is a full-cycle software development partner ready to cover all your needs in IT, digitization, and innovation departments. Innowise develops tools and modules, full-on tailored systems, compliance-ready applications, and cloud banking software. 

This includes payment systems, core banking modules, security integrations, mobile apps, and even ERP or CRM integrations with certified platforms (e.g., Salesforce). Innowise is the closest candidate for your one-stop tech partner. 

• Services offered: Full-cycle software development, IT consulting and advisory, UI/UX design, Advanced tech implementation, Data management, AI/ML, etc.

• Technology stack: AWS, Azure, Salesforce, React, Angular, VueJS, JavaScript, .NET, Python, Rust, C/C++, Unreal Engine, etc.

• Team size: 3,000+

• Year founded: 2007

• Top clients: Sionic, KEYtec AG, Zero Beta. 

How to choose the banking software development partner for your project

You can use the list above to pick the best banking software development partner just for your needs — here’s how you should navigate your choice of the fitting company: 

• #1. Seek expertise and tech: If you expect to build and/or customize finance-related solutions, you will need a partner with a separate category for banking software development services. 

• #2. Watch your scale: If you don’t need enterprise banking systems right away, you should pick a company that can start small and scale up products post-launch.

• #3. Check reviews and ratings: No less than 4.5 stars on Clutch, with lots of 5-star reviews and real client testimonials related to banking and financial products. 

• #4. Seek certifications: ISO certifications and partnerships with banks and payment processors indicate a reliable partner for long-term finance software needs.

• #5. Mind compliance: Well-certified companies with security and compliance among the core development services are safer to partner up with. 
• #6. Require flexibility: Choose an Agile team ready to improvise and adapt to your budget, preferred work model, and scale.