Fintech Software Development
Secure, compliant, and scalable financial technology solutions for banks, fintech startups, and financial services across Germany and the EU. We design and build high-performance platforms: payments, lending, scoring, KYC/AML workflows, internal financial systems, and data-driven decision tools — with architecture that passes security review and survives scale.
Built for Modern Fintech Teams
We work with companies that need more than a brochure site — they need real financial infrastructure.
Whether you're launching a new product or refactoring a legacy system, we help you build architecture that is secure, auditable, and ready for regulatory scrutiny.
Typical Challenges in Fintech Software Development
Most fintech products struggle not because of ideas, but because of architecture and execution.
Most fintech products struggle not because of ideas, but because of architecture and execution.
- •Legacy core systems with no clean API layer
- •Manual processes around KYC, onboarding, and underwriting
- •Inconsistent data between CRM, core banking, and reporting systems
- •Fragile integrations with payment providers and card processors
- •No clear separation between business rules and infrastructure code
- •Limited observability into transactions, errors, and anomalies
- •Difficulty passing security audits and compliance checks
- •Systems that don't scale when transaction volume spikes
We help teams move from "it works for now" to "this is a reliable financial platform."
What We Build for Fintech Teams

We build backend systems for card payments, bank transfers, payouts, and internal wallets:
- •Transaction processing pipelines
- •Idempotent APIs and retry-safe workflows
- •Ledgering and balance management
- •Reconciliation flows and reporting exports
End-to-end flows for lending products:
- •Application and onboarding workflows
- •Scoring and risk rules engines
- •Offer generation and decisioning logic
- •Repayment schedules, penalties, and restructuring logic
We design data flows that your risk and analytics teams can trust:
- •Event-driven architectures for transaction and behavioral data
- •ETL/ELT pipelines into ClickHouse / BigQuery / PostgreSQL
- •Feature stores and scoring inputs for ML models
- •Dashboards for risk, collections, and product performance
We integrate KYC/AML providers and wrap them in clear workflows:
- •KYC verification flows (documents, checks, liveness)
- •Sanctions & PEP screening integrations
- •Suspicious activity monitoring hooks
- •Audit trails, logs, and case-management APIs
We expose your fintech capabilities through stable, secure APIs:
- •REST / GraphQL / gRPC APIs with clear versioning
- •OAuth2 / JWT / Keycloak-based access control
- •Rate limiting, throttling, and abuse protection
- •Partner onboarding flows and developer documentation
We build the internal interfaces your team actually uses:
- •Operator consoles for support and risk teams
- •Back-office tools for adjustments, refunds, overrides
- •Monitoring dashboards for transactions and incidents
- •Role-based access control for sensitive operations





