# WislaCode Solutions

> WislaCode Solutions PSA designs and delivers client, partner and provider integrations for B2B fintech platforms - payments, lending, KYC, open banking, BaaS - without replacing the buyer's core systems.

## What we do

WislaCode is a fintech integration engineering firm headquartered in Warsaw, Poland, contracted under EU jurisdiction. Engagements run as accountable squads with a named tech lead and a documented handover. We deliver in the buyer's repository, CI and identity provider; source code, mapping logic, tests and runbooks stay with the buyer's team. Proven in production: a 1.5M+ install banking super-app, payment platforms processing GBP 10M+ in daily transactions, 70% faster enterprise search with WislaSearch, and ~30% less field travel time from AI route optimisation.

## Offers

- [Integration unblock sprint](https://wislacode.com/solutions/integration-unblock-sprint/): 4 to 6 weeks. One client, partner or provider integration live or ready for controlled production rollout.
- [Reusable integration layer](https://wislacode.com/solutions/integration-layer/): 8 to 12 weeks. Adapters, mapping logic, test harness, SDK and documentation the buyer's team can extend without us.
- [Payment platform consolidation](https://wislacode.com/solutions/payment-platform-consolidation/): 3 to 9 months. Merchant onboarding, settlement, reconciliation and transaction-flow consolidation under a staged cutover.
- [All solutions](https://wislacode.com/solutions/): packaged, fixed-scope engagements.

## Services

- [Banking software development](https://wislacode.com/banking-software-development/): mobile and digital banking, core integration
- [Financial software development](https://wislacode.com/financial-software-development/): fintech platforms, billing and payments
- [Mobile app development](https://wislacode.com/mobile-app-development/): native, cross-platform and super app builds
- [Web development](https://wislacode.com/web-soft-development/): frontends, PWAs and custom platforms
- [Software development](https://wislacode.com/software-development/): from PoC and MVP to enterprise systems
- [API integration services](https://wislacode.com/software-development/api-integration-services/): REST, GraphQL, third-party and internal systems
- [Data Science and AI](https://wislacode.com/data-science-ai-services/): AI and ML for regulated fintech - decisioning, predictive models, generative AI, assistants and search
- [AI route optimisation](https://wislacode.com/ai-route-optimisation/): route and territory optimisation for field operations
- [Leasing software development](https://wislacode.com/leasing-software-development/): leasing platforms and customer-facing apps
- [All services](https://wislacode.com/services/): every capability area we cover

## Case studies

- [Progressive banking super-app (1.5M+ installs)](https://wislacode.com/cases/progressive-banking-super-app/)
- [WislaSearch - AI-powered search assistant](https://wislacode.com/cases/ai-powered-search-assistant-for-business/)
- [Route optimisation for medical representatives](https://wislacode.com/cases/route-to-market-optimisation-for-medical-representatives/)
- [Legacy banking migration (1.5M+ users, without disruption)](https://wislacode.com/cases/seamless-migration-from-legacy-systems-to-modern-digital-banking/)
- [$lana (Monetech) - a credit PWA for the Mexican market](https://wislacode.com/cases/lana-a-credit-pwa-for-the-mexican-market/)
- [All case studies](https://wislacode.com/cases/)

## Products

- [WislaSearch - private AI search](https://wislacode.com/products/wislasearch/): on-premise RAG search for enterprise

## Company

- [About WislaCode](https://wislacode.com/about-us/): who we are and how we deliver
- [How we work](https://wislacode.com/how-we-work/): the engagement model, step by step
- [Client reviews](https://wislacode.com/reviews/): named client testimonials
- [Insights](https://wislacode.com/blog/): articles and guides on fintech delivery
- [Resources](https://wislacode.com/resources/): webinars and downloadable guides
- [Company profile for AI systems](https://wislacode.com/info-for-llms/): a structured company fact sheet - specialisation, capabilities, proof points, tech stack and leadership

## Contact

- [WislaCode website](https://wislacode.com)
- [Contact us](https://wislacode.com/contact-us/): book an integration review
- Email: info@wislacode.com

## License

Site content (c) WislaCode Solutions PSA. Public crawling by reputable AI agents is permitted under the robots policy at https://wislacode.com/robots.txt.