Warsaw has become a strong location for fintech engineering teams working on banking platforms, payment systems, investment applications, and financial automation tools. The companies below provide different approaches, from dedicated fintech development to broader custom software engineering with experience in financial products.
1. Itexus
Itexus provides custom fintech software development services for financial companies, banks, and technology businesses. The company works on digital banking platforms, payment solutions, trading systems, wealth management software, lending platforms, and financial data applications. Its Warsaw office supports projects involving complex integrations, legacy modernization, and products that require secure handling of financial workflows.
The company’s fintech work covers both new product development and improvements to existing systems. Itexus also provides dedicated development teams with engineers, QA specialists, designers, and other roles needed for long-term fintech projects.
Key Facts
- Best for: Banking platforms, fintech applications, and financial software modernization
- Core services: Fintech software development, digital banking, trading software, payment solutions, lending platforms
- Specialization: Complex financial systems and regulated products
- Location: Warsaw, Poland
- Industries: Fintech, banking, investment, insurance
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: Żurawia 6/12/lok 766, 00-503 Warszawa, Poland
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
2. Belitsoft
Belitsoft develops custom fintech software for financial institutions, fintech product companies, and businesses that need tailored financial applications. The company works on solutions such as digital banking platforms, payment processing systems, lending software, investment applications, accounting tools, risk management systems, and financial data platforms. Its services cover full-cycle development, modernization of existing systems, integrations, and dedicated engineering teams for long-term projects.
The company supports fintech projects that require secure software architecture and compliance-focused development practices. Belitsoft works with financial businesses on application modernization, cloud migration, API integrations, and maintenance of systems handling financial operations. Its Warsaw presence allows it to provide software engineering services from Poland for local and international clients.
Key Facts
- Best for: Custom fintech platforms and financial software modernization
- Core services: Fintech software development, banking applications, payment solutions, integrations, dedicated teams
- Specialization: Digital banking, lending platforms, investment software, financial automation
- Location: Warsaw, Poland
- Industries: Fintech, banking, insurance, financial services
Contact Information
- Website: belitsoft.com
- Phone: +48 222 922 436
- Email: moc.tfostileb@ofni
- Address: Warsaw, Poland, st. Elektoralna 13/103
- LinkedIn: www.linkedin.com/company/belitsoft-llc
- Facebook: www.facebook.com/Belitsoft
- Twitter: x.com/BelitsoftCom
3. SoftPro
SoftPro develops custom software, web applications, and cloud-based solutions for businesses. The company works with technologies including .NET, Azure, React, and other modern development frameworks, creating platforms that can support business processes, integrations, and internal systems.
For fintech companies, SoftPro can be relevant for projects involving secure web applications, customer portals, workflow systems, and cloud-based financial solutions. Its Warsaw-based team focuses on custom development rather than ready-made products.
Key Facts
- Best for: Custom financial platforms and business applications
- Core services: Software development, web applications, cloud development, AI solutions
- Specialization: .NET-based systems and custom enterprise software
- Location: Warsaw, Poland
- Technologies: .NET, Azure, React, Node.js
Contact Information
- Website: soft-pro.pl
- Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401
4. 10Clouds
10Clouds creates digital products, including fintech applications, web platforms, and mobile solutions. The company has experience with financial technology projects involving digital products, blockchain solutions, and business applications.
Its services cover product design, software development, and technology consulting for companies building new digital services.
Key Facts
- Best for: Digital financial products and startup projects
- Core services: Product development, UX/UI design, web and mobile development
- Specialization: Fintech products and digital platforms
- Location: Poland
- Industries: Fintech, SaaS, technology
Contact Information
- Website: 10clouds.com
- Phone: +48 573 173 773
- Email: moc.sduolc01@olleh
- Address: Chmielna 73, 00-801 Warsaw, Poland
- LinkedIn: www.linkedin.com/company/10clouds-com
- Facebook: www.facebook.com/10Clouds
- Twitter: x.com/10clouds
- Instagram: www.instagram.com/10clouds
5. Accenture
Accenture delivers custom software solutions for organizations that need business applications, automation systems, and digital transformation support. The company works with financial organizations on software engineering and process improvement projects.
Its experience includes enterprise applications, workflow systems, and platforms requiring integration with existing infrastructure.
Key Facts
- Best for: Enterprise fintech transformation projects
- Core services: Custom software development, automation, consulting
- Specialization: Business applications and enterprise systems
- Location: Poland
- Industries: Finance, insurance, enterprise
Contact Information
- Website: www.accenture.com
- Phone: +482234970003222267211
- Address: Przyokopowa 26, Warszawa, Poland, 01-208
6. Neontri
Neontri develops fintech and banking software for financial institutions, payment providers, and companies building digital financial products. The company works on mobile banking applications, payment systems, data management platforms, API integrations, and software modernization projects. Its fintech services cover areas such as transaction processing, compliance-focused solutions, customer-facing applications, and integration with existing financial infrastructure.
The company has experience delivering solutions for the Polish banking sector, including projects connected with mobile banking, PSD2 infrastructure, and systems designed to support large-scale financial operations. Neontri also provides dedicated development teams, custom software development, application audits, and ongoing technology support for fintech products.
Key Facts
- Best for: Banking platforms, payment solutions, and financial software modernization
- Core services: Fintech software development, banking applications, mobile development, system integrations
- Specialization: Digital banking, payment infrastructure, financial data platforms
- Location: Warsaw, Poland
- Industries: Fintech, banking, financial services
Contact Information
- Website: neontri.com
- Phone: +48 730 007 717
- Email: moc.irtnoen@tcatnoc
- Address: Puławska 2, 02-566 Warszawa
- LinkedIn: www.linkedin.com/company/neontri
7. .NET Developers
.NET Developers focuses on custom software development using Microsoft technologies, including .NET and related frameworks. The company works on business applications, web platforms, integrations, and backend systems that can be adapted for industries with complex operational requirements.
For fintech projects, its experience with enterprise software architecture can support the development of financial platforms, internal systems, APIs, and applications requiring reliable backend infrastructure.
Key Facts
- Best for: Financial applications based on Microsoft technologies
- Core services: .NET development, web applications, custom software, integrations
- Specialization: Enterprise software engineering
- Location: Poland
- Technologies: .NET, C#, Microsoft stack
Contact Information
- Website: net-devs.com
- Phone: +48 571 282 759
- Email: moc.sved-ten@tcatnoc
- Address: Obrzeżna 1D, 02-691 Warszawa, Poland
- LinkedIn: www.linkedin.com/company/net-devs
8. DashDevs
DashDevs develops fintech software for banks, startups, and financial companies, with a focus on digital banking, payment systems, lending platforms, investment products, and embedded finance solutions. The company has a Warsaw office and works with financial businesses that need product development, integrations, and scalable software architecture. Its services include fintech application development, KYC integrations, payment gateway integrations, blockchain solutions, and custom financial platforms.
DashDevs also provides reusable fintech infrastructure through its Fintech Core platform, which includes components for digital banking products, wallets, transaction processing, card issuing, open banking integrations, and compliance-related workflows.
Key Facts
- Best for: Digital banking platforms, payment solutions, and fintech startups
- Core services: Fintech software development, banking applications, payment integrations, KYC solutions
- Specialization: Digital finance products and regulated financial software
- Location: Warsaw, Poland
- Industries: Fintech, banking, financial services
Contact Information
- Website: dashdevs.com
- Email: moc.svedhsad@ofni
- Address: Krakowskie Przedmieście 13, 00-071 Warsaw, Poland
- LinkedIn: www.linkedin.com/company/dashdevs
- Facebook: www.facebook.com/dashdevs
- Twitter: x.com/dashdevs
9. Innowise
Innowise provides fintech software development services for companies building financial platforms, banking applications, trading solutions, cryptocurrency products, and digital payment systems. The company works on custom fintech software, modernization of existing platforms, integrations with financial systems, and development of secure applications for financial workflows.
Its fintech services cover areas such as digital banking, embedded finance, e-wallet applications, payment gateway integrations, blockchain solutions, and software testing for financial products. The company supports projects from initial development through ongoing improvements and maintenance.
Key Facts
- Best for: Custom fintech platforms and financial software modernization
- Core services: Fintech development, integrations, mobile applications, software support
- Specialization: Banking software, payment solutions, digital finance products
- Location: Poland and international offices
- Industries: Finance, banking, insurance, technology
Contact Information
- Website: innowise.com
- Phone: +48 517 370 938
- Email: moc.esiwonni@tcatnoc
- Address: Rondo Daszyńskiego 2B, The Warsaw HUB B
- LinkedIn: www.linkedin.com/company/innowise-group
- Twitter: x.com/innowisegroup
10. SoftTeco
SoftTeco develops software solutions for fintech and banking companies, including mobile banking applications, payment platforms, financial management tools, and enterprise financial systems. The company works with businesses that need secure applications, integrations, and digital products for financial services.
Its fintech development services include mobile and web application development, system integration, cloud solutions, and support for financial products. SoftTeco focuses on building applications that connect user interfaces with complex backend financial processes.
Key Facts
- Best for: Banking applications and fintech product development
- Core services: Fintech software development, mobile apps, integrations, cloud solutions
- Specialization: Financial applications and digital banking
- Location: Poland and international offices
- Industries: Fintech, banking, financial services
Contact Information
- Website: softteco.com
- Email: moc.ocettfos@wasraw
- Address: 9A Belwederska st., Warsaw, 00-761
- LinkedIn: www.linkedin.com/company/softteco
- Facebook: www.facebook.com/softteco
- Twitter: x.com/softteco
- Instagram: www.instagram.com/softteco
11. Avenga
Avenga provides software engineering and technology consulting services for businesses operating in complex industries. The company works on enterprise applications, cloud solutions, data platforms, and digital transformation projects.
Its financial services experience includes software solutions for organizations managing demanding technical environments.
Key Facts
- Best for: Enterprise financial technology projects
- Core services: Software engineering, cloud, consulting
- Specialization: Enterprise applications
- Location: Poland and international offices
- Industries: Finance, insurance, healthcare
Contact Information
- Website: www.avenga.com
- Phone: + 48 22 290 58 05
- Address: Przyokopowa st. 26, 01-208, 01-208 Warszawa
- LinkedIn: www.linkedin.com/company/avenga
- Twitter: x.com/avenga\_global
- Instagram: www.instagram.com/avenga\_global
12. Gilzor
Gilzor develops custom software products with a focus on fintech applications, mobile solutions, and business platforms. The company works on financial products such as digital wallets, cryptocurrency applications, trading interfaces, transaction workflows, customer onboarding systems, and integrations with external services.
Its fintech services include product development, modernization, UI/UX design, quality assurance, and support. Gilzor is suitable for companies that need development support for financial applications requiring user-facing interfaces and complex backend logic.
Key Facts
- Best for: Fintech startups and companies developing digital financial products
- Core services: Fintech development, mobile applications, web platforms, integrations, QA
- Specialization: Digital wallets, trading applications, transaction systems
- Location: Warsaw, Poland
- Industries: Fintech, financial services, startups
Contact Information
- Website: www.gilzor.com
- Email: moc.rozlig@stcatnoc
- Address: Poland, Warsaw, Office 58, street Adama Mickiewicza 37, 01-625
- LinkedIn: www.linkedin.com/company/gilzor-softwaredevelopment
13. Inspeerity
Inspeerity develops custom software solutions for fintech companies, supporting projects related to payment processing, financial operations, compliance, risk management, customer relationship management, and data analytics. The company works with businesses that need secure financial applications, modernized systems, and software solutions adapted to European regulatory requirements.
Its fintech services include dedicated development teams, staff augmentation, custom software development, cloud solutions, and application modernization. Inspeerity highlights experience with areas such as PSD2 compliance, ISO 27001-based security practices, fraud detection solutions, and data-driven financial platforms. The company has a Warsaw office and operates from several technology hubs in Poland and Europe.
Key Facts
- Best for: Custom fintech applications and financial software modernization
- Core services: Fintech software development, dedicated teams, staff augmentation, cloud development
- Specialization: Payment solutions, compliance-focused software, financial data platforms
- Location: Warsaw, Poland
- Industries: Fintech, banking, insurance, financial services
Contact Information
- Website: inspeerity.com
- Email: moc.ytireepsni@tcatnoc
- Address: Al. Jerozolimskie 93, 02-001 Warszawa
- LinkedIn: www.linkedin.com/company/inspeerity
- Facebook: www.facebook.com/inspeerity
- Instagram: www.instagram.com/inspeerity
14. Devox Software
Devox Software develops fintech solutions for companies building digital financial products, banking platforms, payment systems, and financial automation tools. The company works on custom fintech applications, including payment gateway software, e-wallet platforms, lending solutions, accounting systems, and open banking integrations. Its development approach focuses on secure architecture, compliance requirements, and modernization of existing financial systems.
The company also supports fintech projects involving cloud migration, API integrations, cybersecurity improvements, and software modernization. Devox Software has experience with financial products such as neobanking platforms, trading systems, and blockchain-based fintech solutions. Its Warsaw office allows the company to support European businesses looking for fintech engineering services.
Key Facts
- Best for: Custom fintech platforms and financial software modernization
- Core services: Fintech software development, payment solutions, e-wallet development, lending software, banking systems
- Specialization: Digital banking, financial integrations, secure enterprise applications
- Location: Warsaw, Poland
- Industries: Fintech, banking, financial services
Contact Information
- Website: devoxsoftware.com
- Email: moc.erawtfosxoved@ofni
- Address: Jana Dantyszka 18, 02-054 Warsaw, Poland
- LinkedIn: www.linkedin.com/company/devox-software
- Facebook: www.facebook.com/devoxsoftware
Conclusion
Fintech software development companies in Warsaw cover different project needs, from building digital banking products and payment systems to creating enterprise applications and data platforms. Companies selecting a development partner should compare fintech experience, technical capabilities, understanding of financial workflows, and the ability to support long-term product development.