Trusted engineering for fintech innovation
We back you with engineers who’ve built the hard stuff, like high-load payment systems and modern accounting platforms. Tell us what you need and we’ll match you with people who can deliver it.
Launching a new fintech product or modernizing an established platform, you face the same reality: deadlines hold firm and mistakes grow costly. Oxagile is a fintech software development company that builds core systems, integrates PSPs, strengthens infrastructure, and handles compliance, so your pace holds and what already works stays intact.
Accelerate safely
The challenge:
Tight deadlines. Legacy constraints. Limited bandwidth. Pressure to launch.
We help you scale delivery without risking stability. Our engineers jump in fast, follow your standards, and modernize systems without disrupting your core.
Keep dev moving
The challenge:
Tech debt. Blocked releases. Test bottlenecks. Slow feedback loops.
We unblock your pipeline with fintech-savvy developers who plug into CI/CD, automate testing, clear tech debt, and keep every sprint reliably on track.
Ship results
The challenge:
Lean teams. Aggressive growth targets. Hiring freezes. Tight, shrinking budgets.
We help release pressure on your internal resources by taking over delivery, optimizing features, and improving output, so you can meet goals without increasing costs.
Kiryl Surahatau
Head of JavaScript Department
Kiryl heads Oxagile’s JavaScript practice across payment systems and PSP integrations, AWS-certified in cloud architecture and AI.
Alexander Kalenik
Senior Software Engineer
A Python architect and technical leader, Alexander has built trading systems and a multi-cloud wealth management platform with ML-driven advisory insights for a US-based fintech.
Discover the capabilities behind Oxagile’s fintech engineering practice.
We build and integrate secure, scalable payment systems tailored to your business. Our services support global growth by streamlining PSP integrations and recurring billing. You can count on enhanced security with fraud prevention, real-time analytics, and efficient and low-maintenance infrastructure.
We help you modernize outdated systems and shift to efficient, cloud-ready infrastructure. This keeps your financial products competitive and ready to scale. From migrating legacy PHP to Node.js to upgrading older Java, Python, or .NET stacks, we do it all without disrupting your operations.
We design and build fintech applications that combine robust security, smooth performance, and user-friendly design. Launching a new banking app, trading platform, or embedded finance tool? We cover the full fintech app development cycle, including architecture, UX, compliance, and infrastructure.
Cut unnecessary cloud expenses with our detailed audits and optimization strategies. By streamlining segments like payment infrastructure and cloud operations, we help reduce infrastructure costs, without sacrificing performance or reliability.
We secure your systems through comprehensive audits, eliminating exploits and confirming compliance with industry standards. In fintech, where trust and data protection are critical, our tailored security research identifies risks and establishes processes for ongoing, proactive protection.
In platforms such as payment systems, even brief downtime or delays can result in abandoned transactions and eroded customer trust. That’s why we design resilient, fault-tolerant infrastructures enhanced with real-time monitoring, intelligent alerting, and automated incident response. Proactive monitoring and observability are key to preventing costly disruptions before they occur.
Improve customer experience and boost conversion rates with our UX audits and data-driven optimization, crucial for banking, trading, and payment platforms.
Utilize AI to enhance risk management, fraud detection, customer support, and other functions critical in finance. We build and integrate custom ML models designed specifically to address the unique challenges of the financial technology sector.
Turn your fintech data into actionable insights with advanced BI, modern data stacks, and governance frameworks designed for security and compliance. Our services enforce data security and meet regulatory requirements, helping you make smart decisions and keep financial information safe.
We back you with engineers who’ve built the hard stuff, like high-load payment systems and modern accounting platforms. Tell us what you need and we’ll match you with people who can deliver it.
Reinforce your in-house capacity with vetted specialists:
Launch and scale fintech products with a managed development team:
Node.js • PHP • TypeScript • Python • Java / Kotlin • Swift • Go • React / Next.js • React Native / Flutter • .NET (C#)
Microservices architecture • Monolithic architecture • Serverless infrastructure • API-first architecture
AWS, Google Cloud, Azure • Infrastructure as Code • GitOps & declarative delivery • Observability stack • Secrets management • Automated security & license scans • Cost-monitoring / optimization tooling
SO/IEC 27001 & SOC 2 Type II readiness • PSD2 / Open Banking & Strong Customer Authentication • AML/KYC workflows (FinCEN, FATF guidance) • OAuth 2.0 & OpenID Connect / FAPI • OWASP ASVS & Top 10 secure coding • FIPS 140-2/3 cryptographic modules
Smart routing & payment orchestration layers • Tokenization & vaulting (PCI DSS v4 standards) • 3-D Secure 2.2 & EMVCo SRC • ISO 8583 / ISO 20022, SEPA, SWIFT messaging • Mobile wallet integrations (Apple Pay, Google Pay, Samsung Pay) • Real-time fraud scoring engines & rules • Automated reconciliation & double-entry ledgers
MLOps toolchain • Feature stores • Streaming / online inference • Time-series forecasting & anomaly detection • Retrieval-augmented generation (RAG) pipelines • Reinforcement learning for trading strategies • AutoML platforms • Privacy-preserving ML • Explainable AI
Data lake / lakehouse • Warehouses • Stream processing • Orchestrated ETL/ELT • Columnar formats & compression • Data catalog & governance • Data quality / observability • Differential privacy & anonymization
Docker • Kubernetes • Helm & Kustomize • Kubernetes operators • Runtime security
In finance, you must deliver fast, stay compliant, and promote reliability. From integrating payment providers to preparing for audits, every change touches sensitive systems under tight regulatory oversight. A strong technology partner with technical depth and domain understanding can make the difference. They help teams scale securely, modernize legacy systems, and meet regional compliance requirements, all without slowing down product momentum.
The latest technologies in fintech, from AI to cloud-native infrastructure, are valuable when applied with a clear goal. AI helps improve fraud detection, credit scoring, and transaction routing. Cloud platforms support scalability and cost-efficiency. We also rely on well-established tools like Node.js, Kubernetes, and microservices to build stable, secure, and adaptable systems.
The software development cost to develop fintech app solutions depends on feature complexity, compliance requirements, and tech integrations. At Oxagile, we help clients balance scope and ROI from day one.
Overall, the cost to develop fintech app solutions primarily depends on the project scope. Key factors influencing the cost include:
Accurately estimating fintech app development costs requires a thorough understanding of the desired features, security protocols, and long-term scalability needs.
A fintech software development company maintains security and scalability by leveraging cloud-based infrastructure, adopting microservices architecture, and using auto-scaling and load balancing. This allows to easily scale applications to handle higher traffic and more complex transactions.
End-to-end encryption, role-based access control, and conducting regular penetration tests helps safeguard against vulnerabilities and maintain security. Data encryption, multi-factor authentication, and secure APIs are vital to protect sensitive information.
Oxagile works with PCI DSS, PSD2, GDPR, SOC 2, and regional banking requirements, and runs security audits and compliance checks throughout development so your product stays audit-ready. If you operate in a specific jurisdiction, tell us and we’ll map the standards that apply.
Yes. Oxagile modernizes incrementally, updating systems in stages, testing against your live environment, and rolling out changes without taking your core offline. Your users keep transacting while the platform improves underneath them.
The essentials Oxagile needs are your goals, the current state of your systems, key integrations (PSPs, banking APIs, data sources), compliance scope, and timeline. Even a rough picture lets us give you a realistic estimate and a plan. Our fintech solutions software development services then scale to match what the project needs.
