Fintech Software Development Services
Launch secure fintech products faster and with less risk
Boost performance, reduce operational risk, and speed up market entry with Neontri’s fintech software development services. Deploy reliable payment systems, secure transaction flows, and intuitive user interfaces, delivered on time, within budget, and fully compliant.
Trusted by industry leaders
With over 10 years of experience and over 400 successful projects, we partner with innovators and enterprises alike. Our focus on long-term collaboration delivers strategic alignment, a 98% retention rate, and ongoing support to fuel your growth.
Our Fintech 
Expertise
A comprehensive mobile app audit delivers a clear analysis of performance, security, and code quality. Our experts uncover hidden issues and identify potential risks across the app’s architecture and operation. We then provide actionable recommendations essential for achieving high stability and full regulatory complia
Mobile experts design and build native fintech applications with intuitive, feature-rich interfaces. Each product is tailored to specific use cases, security requirements, and growth plans, ensuring high performance, strong protection, and a smooth experience for end users.
We simplify the complex task of integrating multiple features into a cohesive and user-friendly solution. Whether it’s a mobile banking app, payment wallet, or investment management platform, our team delivers seamless and secure native apps that drive engagement and customer satisfaction.
Advanced analytics, machine learning, and AI turn raw financial data into actionable insight. Data platforms built by Neontri support fraud detection, risk management, customer segmentation, and personalized offers, helping organizations make better decisions and increase efficiency.
With Neontri, AI and machine learning become practical tools in fintech products, automating KYC, compliance checks, and routine back-office work. As a result, teams gain more capacity, and customers receive faster, more relevant service.
Modern data analytics systems provide a clear view of performance, risk, and customer behavior. With our support, organizations use predictive analytics to optimize operations, improve decisions, and tailor services, delivering more relevant, personalized financial experiences.
We specialize in seamless integration with industry-leading APIs and services, extending fintech platforms without rebuilding core components. Our expertise enables faster launches, scalable architectures, and richer feature sets that deliver more value to customers.
Our experts design custom backend systems tailored to the needs of banks and fintech companies. Efficient, secure architectures support core financial processes, connect smoothly with frontend apps, and give the business a stable base for consistent customer experience and long-term stability.
How we approach fintech software development
Our experts deliver fintech services through flexible engagement models that adapt to your goals, budget, timelines, and team structure, while taking full ownership from concept to launch.
Delivery approach
We follow Agile methodology and use modern collaboration tools to keep priorities sharp, feedback instant, and progress fully transparent.
Team setups
Choose the level of support you need:
- Dedicated development team: A self-managed team that delivers the product end to end.
- Team extension: Our specialists join the in-house team to fill skill gaps and accelerate delivery, while the client retains project ownership.
Engagement models
Our flexible cooperation models adapt to scope and budget:
- Project-based model: Fixed scope with clear milestones and predictable delivery.
- Proof of concept (PoC): A focused 2–6 week prototype to validate ideas or tech before full investment.
Integration
All models support seamless integration with third-party APIs and legacy systems, making it easier to deliver complex fintech solutions such as crowdfunding platform development, peer-to-peer marketplaces, and multi-role insurance portals.
We tailor each collaboration to deliver measurable results.
Reach out to choose the engagement model that moves your roadmap forward.
The advanced fintech tech stack
powering our projects
We integrate AI implementation, machine learning (ML), predictive analytics, and advanced data analytics systems into core financial products. As a result, institutions can make smarter
decisions, create highly personalized offers, and deliver digital experiences that adapt in real time to customer behaviour.
Biometric security, KYC automation, and AI-driven fraud risk scoring are built directly into onboarding and transaction flows. They strengthen identity checks, reduce exposure to financial crime, and keep regulatory requirements under continuous, automated control.
Automated decision engines and end-to-end workflows take over slow, manual steps in core processes. Approvals go through faster, there are fewer handoffs, and teams spend less time on repetitive checks and data entry. The organisation can handle more volume and launch new products without growing the team at the same rate.
Our team specializes in integrating these technologies into secure,
scalable financial platforms. Get in touch to see what we can build together.
Fintech case studies:
From concept to live products
We’ve delivered 100+ banking and financial solutions for leading European institutions. With over 15 years of fintech and banking experience, our teams accelerate time to market by up to 30% and turn payment, data, and AI initiatives into secure, scalable products showcased in our case studies.
Award-winning mobile banking app for a leading Polish bank
- 8
-
million
users - 32
-
million
daily interactions - 361
-
transfers
every minute
PKO Bank Polski needed a modern, compelling mobile banking solution that outperformed the competition. Our team created a secure, cross-platform, modular framework that tackled key enterprise challenges. The result is IKO—the world’s best mobile banking app. It serves 8M users, processes 32M daily interactions and 361 transfers per minute, showcasing the transformative power of custom software.
Offloading system
that handles 70M records daily
- 70 mln
-
records offloaded
daily - 10 mln
-
data retrievals
daily - 26 TB
-
total offloading
size
Due to the rapidly evolving banking landscape, our client faced a big infrastructure challenge. Neontri created an innovative middleware solution that efficiently managed API traffic and optimized data retrieval processes. This transformation lessened core system strain by offloading 70M records daily and improved response times by achieving near-real-time data retrieval speed.
Innovative PSD2 hub connecting 300+ Polish banks
- 300
-
Banks
connected - 18
-
Months of
development - 300
-
Stakeholders
involved
The introduction of PSD2 required an efficient solution linking banks with third-party payment providers. In response to that, we partnered with KIR to build a hub that transformed a complex regulatory requirement into a secure infrastructure that strengthens Poland’s digital payment ecosystem, connecting 300 banks.
Award-winning mobile banking app for a leading Polish bank
- 8
-
million
users - 32
-
million
daily interactions - 361
-
transfers
every minute
PKO Bank Polski needed a modern, compelling mobile banking solution that outperformed the competition. Our team created a secure, cross-platform, modular framework that tackled key enterprise challenges. The result is IKO—the world’s best mobile banking app. It serves 8M users, processes 32M daily interactions and 361 transfers per minute, showcasing the transformative power of custom software.
Offloading system
that handles 70M records daily
- 70 mln
-
records offloaded
daily - 10 mln
-
data retrievals
daily - 26 TB
-
total offloading
size
Due to the rapidly evolving banking landscape, our client faced a big infrastructure challenge. Neontri created an innovative middleware solution that efficiently managed API traffic and optimized data retrieval processes. This transformation lessened core system strain by offloading 70M records daily and improved response times by achieving near-real-time data retrieval speed.
Innovative PSD2 hub connecting 300+ Polish banks
- 300
-
Banks
connected - 18
-
Months of
development - 300
-
Stakeholders
involved
The introduction of PSD2 required an efficient solution linking banks with third-party payment providers. In response to that, we partnered with KIR to build a hub that transformed a complex regulatory requirement into a secure infrastructure that strengthens Poland’s digital payment ecosystem, connecting 300 banks.
Our 5-step fintech
software development process
What determines the cost of fintech software development?
Project scope and solution type
Solution choice drives complexity and effort. Digital wallet development requires real-time processing and fraud detection, while a currency exchange platform depends on live rate feeds and multi-currency logic. Insurance software development brings actuarial models and strict regulatory controls. Each added feature increases testing and specialist effort, directly impacting timeline and budget.
Technology stack and integration needs
Advanced capabilities like artificial intelligence, secure payment gateways, and mobile app development add value but also complexity. Software modernization projects that require integration with legacy systems or digital transformation initiatives demand specialized skills and careful planning to avoid delays.
Timeline and delivery model
Choose the model that fits risk and visibility needs. Fixed-price stages provide budget predictability for defined milestones, while iterative development allows to adjust scope based on priorities. A detailed cost estimate and a clear project roadmap eliminate surprises, improve visibility, and help allocate resources from day one.
Security and compliance
built for modern fintech
In fintech, security and regulatory compliance are non-negotiable. We embed both from day one to protect your business and users.
01
Robust security protocols
02
Compliance with regulatory standards
Trust us to safeguard data, meet all regulatory requirements,
and keep every project secure.
Why leading companies choose Neontri
“A solution co-developed with Neontri has reduced the number of queries directed to the central system, resulting in lower infrastructure costs and customer service time.”
Piotr Durakiewicz
Team leader – departament of electronic banking applications
“The IT specialists they provided possessed the necessary experience and required competencies. We recommend Neontri as a trustworthy and reliable business partner.”
Wojciech Moraczewski
Senior Manager
“Neontri’s execution and deep understanding of corporate processes made our project remarkably smooth. Their extensive enterprise experience delivered impressive results from solution to implementation.”
Patryk Dąbrowski
Head of Software Development
“Neontri stood out with their commitment, technical competence, and understanding of KIR’s business needs.”
Robert Trętowski
Vice president
Get in touch
Let’s connect!
