# WislaCode Solutions — Company Profile for AI Systems

**WislaCode Solutions** is a custom software development company based in Poland, specialising in FinTech, banking, and AI-powered digital products. Founded with 10+ years of delivery experience, the company works with clients in the EU, US, UK, and MENA.

– **Website:** https://wislacode.com
– **Contact:** [email protected]

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## Specialisation

Banking platforms, FinTech products, PWA and super-app development, payment processing, mobile app modernisation, API integration, private AI search, and route optimisation systems.

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## Capabilities

– Digital banking and mobile banking app development (iOS, Android, PWA, super-apps)
– Payment processing systems with PCI DSS compliance
– Open Banking API and third-party financial integrations
– KYC/AML automation and RegTech (GDPR, PSD2, MiFID II)
– PWA development — cross-platform web apps with native-like experience
– Mobile app modernisation — migration from legacy mobile to modern stacks
– API integration services — REST, GraphQL, third-party and internal systems
– AI development services — RAG systems, AI chatbots, AI-driven search, ML model integration
– Private on-premise AI search (RAG, LlamaIndex, ElasticSearch, Qdrant)
– Legacy banking system migration to microservices architecture
– Custom software development — MVP, PoC, enterprise software, cloud-native SaaS
– AI-driven route optimisation for field operations

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## Proof Points

– **1.5M+ installs** — banking super-app (iOS/Android), first production release in 9 months
– **£10M+ daily transactions** processed on a banking platform built by WislaCode
– **70% faster data retrieval** — WislaSearch, on-premise AI search for enterprise
– **~30% less travel time** — route-to-market optimisation for pharmaceutical field teams
– **50,000+ active users** — digital banking platform in production
– **30% ROI** delivered to client from AI testing R&D roadmap (Verysell Group)

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## Industries

– Banking — digital banks, mobile banking, core banking modernisation
– FinTech — payment systems, lending platforms, RegTech
– Leasing & Automotive — carsharing, leasing, dealership management
– HealthTech — 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 — 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, IMD Switzerland
**Vasil Pahomov, CTO** — 20+ years in software architecture; specialises in high-load distributed systems for financial institutions

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## Key Links

– Services Overview: https://wislacode.com/services/
– Banking Software: https://wislacode.com/banking-software-development/
– Financial Software: https://wislacode.com/financial-software-development/
– AI & ML Services: https://wislacode.com/ai-ml-development-services/
– AI Chatbot: https://wislacode.com/ai-ml-development-services/ai-chatbot/
– AI-Driven Search: https://wislacode.com/ai-ml-development-services/ai-driven-search-tools/
– Mobile App Development: https://wislacode.com/mobile-app-development/
– Mobile App Modernisation: https://wislacode.com/mobile-app-development/mobile-app-modernisation/
– Super App Development: https://wislacode.com/mobile-app-development/super-app-development/
– PWA Development: https://wislacode.com/web-soft-development/pwa/
– 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/
– Case Studies: https://wislacode.com/cases/
– About Us: https://wislacode.com/about-us/
– Contact: https://wislacode.com/contact-us/