AI-native Software Engineering
We build and modernize business-critical software - from custom platforms and APIs to production-ready AI workflows.
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What we deliver
Production software and AI components engineered for long-term stability.
AI Engineering for Production Systems
LLM-based workflows, RAG pipelines, agentic workflows, AI agents
Civic-tech · V1ZIR · Enterprise AI Agent Platform
Software Engineering & Modernization
Custom software platforms, backend systems, and APIs
SYSCON · Avoltra · Contentful
Long-Term Engineering Partnerships
Embedded teams, Multi-year product ownership
3+ year engagements · ongoing retainers
Product Design & Discovery
Ideation, product strategy, web/UI design, design systems
From concept to shipped product
What we've built
Select cases from 50+ successful deployments. Measurable outcomes delivered through our Problem → Solution → Result framework
Warehouse processes on Excel and a patchwork of legacy tools.
Full WMS — React operator client, transactionally consistent backend, ERP-integrated. As a result - 18+ months in production.
Coming soon...B2B energy procurement on phone and spreadsheets.
Built a custom energy platform with real-time analytics, risk modules, and AI-assisted decision workflows. As a result - strategic procurement live in production with active B2B clients.
Coming soon...Why companies pick us
Compliance is Engineering
EU residency built-in, not certified as an afterthought.
Ownership of Outcomes
Proven stability via 3+ year embedded partnerships.
Direct Senior Access
Direct decisions with senior engineers, no management layers.
Production-Grade AI Shipped
Scalable LLM and workflows live in high-stakes sectors.
AI integration audit
- ✓Top three AI opportunities in your product
- ✓Production roadmap with timeline and cost estimate
- ✓GDPR-compliant by design
A personal AI operating system for C-level executives
- ✓One named senior advisor plus a governed AI system — built around your calendar and your voice
- ✓NDA-first, EU/DACH-hosted, contractual no-training clauses
- ✓Working in weeks: diagnostic sprint → build & integrate → concierge retainer
Built by Visarsoft
We build, own, and run these products to validate the engineering methods we apply to client work.
V1ZIR
AI-based detection and geolocation system. Built with Ukrainian defense partners. Civilian dual-use applications include border monitoring, critical infrastructure security, and search-and-rescue.
Production-grade AI in domains where failure carries real-world consequences.
TechIn Academy
Career-transition platform — international professionals entering the German job market. Mentoring, interview prep, role matching.
Full product ownership — architecture, research, operations, ongoing iteration.
Engineering notes
Architecture decisions, AI integration patterns, technical lessons from active projects. Written by the team, not by marketing
The people behind Visarsoft
Engineers, designers and delivery managers building production-grade software together since 2018.
- Leadership & people 4
- Delivery & design 4
- Engineering 11
Full team
- Roman Prystatskyy — Founder
- Ruslan Novitskyi — Technical Lead
- Vitalii Korniienko — Technical Project Manager
- Oleksandra Kiselova — Senior Delivery Manager
- Taras Karvatskyy — Talent & Recruiting
- Andrew Kozachok — Full Stack Engineer
- Roman Franko — Full Stack Developer
- Anton Buchynskyi — Node.js Developer
- Vitalik Holubinka — Node.js Developer
- Nazar Kukarkin — Node.js Engineer
- Bohdan Tuteiko — Frontend Developer
- Hanna Novik — Front-end Developer
- Tetyana Oberyshyn — UI/UX Designer
- Dzvinka Bulka — UX/UI Designer
- Yuliia Lazoryshyn — Operations Director
- Svitlana L. — HR Manager
- Karina Nechyporenko — Frontend Developer
- Taras Voievoda — Full Stack Developer
- Oleksandr Solarz — Software Engineer