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WislaCode Solutions - Company Profile for AI Systems

**WislaCode Solutions PSA** is a fintech integration engineering firm headquartered in Warsaw, Poland, contracted under EU jurisdiction. We design and deliver the client, partner and provider integrations that B2B fintech platforms depend on - payments, lending, KYC, open banking and BaaS - shipped inside the buyer's existing architecture, without replacing their core systems.

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; the source code, mapping logic, tests and runbooks stay with the buyer's team.

- **Website:** https://wislacode.com
- **Contact:** info@wislacode.com
- **Offices:** Warsaw, Poland; Dubai, UAE

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## Specialisation

Client, partner and provider integration for fintech platforms; payment processing and settlement; lending and leasing platforms; open banking and BaaS; KYC/AML integration; mobile banking, PWA and super-app development; API integration; private on-premise AI search; AI route optimisation.

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## Capabilities

- Fintech platform integration - client, partner and provider integrations shipped inside your architecture, without a core replacement
- Payment processing and settlement systems, PCI DSS-aware
- Open Banking API and third-party financial integrations
- KYC/AML automation and RegTech (GDPR, PSD2, DORA-aware)
- Digital and mobile banking app development (iOS, Android, PWA, super apps)
- PWA development - cross-platform web apps with a native-like experience
- Mobile app modernisation - migrating legacy mobile to a modern stack
- API integration services - REST, GraphQL, third-party and internal systems
- AI and ML development - RAG systems, AI chatbots, AI-driven search, ML integration for regulated operations
- Private on-premise AI search (WislaSearch: RAG, LlamaIndex, ElasticSearch, Qdrant)
- Legacy banking system migration to microservices architecture
- Custom software development - PoC, MVP, enterprise systems, cloud-native SaaS
- AI-driven route and territory optimisation for field operations

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## Proof points

- **1.5M+ installs** - banking super-app (iOS/Android)
- **150x online-lending growth** in a year on a banking platform
- **GBP 10M+ daily transactions** processed on a platform WislaCode built
- **2M+ users** migrated from a legacy core to digital banking, zero downtime
- **1M+ users** on the $lana (Monetech) credit PWA for the Mexican market
- **1 month** to ship an Android payment SDK into production (payabl.)
- **70% faster** enterprise data retrieval with WislaSearch on-premise AI search
- **~30% ROI** delivered from an AI testing R&D roadmap (Verysell Group)
- **~30% less** field travel time from AI route optimisation
- **Best Digital Bank** (Global Finance award) on a delivered banking platform

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## Industries

- Banking - digital banks, mobile banking, core banking modernisation
- Fintech - payments, lending platforms, RegTech, BaaS
- Leasing and automotive - leasing, dealership, carsharing, mobility
- HealthTech - field-force route optimisation, medical sales tooling
- Enterprise SaaS - cloud-native products, private AI tooling

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## Technology Stack

**Frontend:** React, Next.js, TypeScript, PWA
**Backend:** Node.js, Python (Django / FastAPI), Java / Spring
**Mobile:** Kotlin, Swift, React Native, Flutter
**Databases:** PostgreSQL, MongoDB, ElasticSearch, Qdrant
**AI/ML:** LlamaIndex, HuggingFace, RAG, LLMs
**Infrastructure:** AWS, Azure, Docker, Kubernetes, Kafka

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## Selected 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 - 2M+ users, zero downtime: https://wislacode.com/cases/seamless-migration-from-legacy-systems-to-modern-digital-banking/
- $lana - a credit PWA for the Mexican market: https://wislacode.com/cases/lana-a-credit-pwa-for-the-mexican-market/
- Android middleware for POS payment processing: https://wislacode.com/cases/android-middleware-for-seamless-pos-payment-processing/

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## Leadership

**Viacheslav Kostin, CEO** - 20+ years in IT management and banking; MBA for Executives, IMD (Switzerland).
**Vasil Pahomov, CTO** - 20+ years in software architecture; high-load distributed systems with multiple integrations for banks and financial institutions.

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## Key Links

- Services overview: https://wislacode.com/services/
- Solutions (packaged engagements): https://wislacode.com/solutions/
- Banking software: https://wislacode.com/banking-software-development/
- Financial software: https://wislacode.com/financial-software-development/
- AI and ML services: https://wislacode.com/ai-ml-development-services/
- Mobile app development: https://wislacode.com/mobile-app-development/
- Web development: https://wislacode.com/web-soft-development/
- Software development: https://wislacode.com/software-development/
- API integration services: https://wislacode.com/software-development/api-integration-services/
- Leasing software: https://wislacode.com/leasing-software-development/
- Nearshore services: https://wislacode.com/nearshore-development-services/
- WislaSearch (private AI search): https://wislacode.com/products/wislasearch/
- AI route optimisation: https://wislacode.com/ai-route-optimisation/
- Case studies: https://wislacode.com/cases/
- Client reviews: https://wislacode.com/reviews/
- About us: https://wislacode.com/about-us/
- How we work: https://wislacode.com/how-we-work/
- Contact: https://wislacode.com/contact-us/