Senior Product Engineer
I take unclear product problems and own them all the way to shipped software — product, architecture, mobile, web, AI and delivery. Every claim here is shown as evidence.
Ambiguous problem → shipped product — product, architecture, mobile, web, cloud and delivery.
Owns kegg's React Native app — UX, state, APIs, subscriptions, analytics and releases.
Built Ambera end-to-end and co-founded Digiza at CTO level.
LLM product integrations with Claude and context-aware personalization.
Improves PHP/.NET/jQuery systems incrementally and debugs hard production issues.
Why Maki
Core stack — TypeScript, React Native, React, Expo, Next.js, Node.js, Go — and 30+ more across mobile, web, cloud and AI.
Experience
Builds and maintains a production React Native app in TypeScript — owning mobile UX, state, API data flows, forms, validation and complex date/time behavior.
See the work →Conceived, designed and built Ambera Forge end to end — a B2B tool that grades engineering effort from a task's review loop and sizes sprints to a team's real capacity, with a per-person privacy membrane — and owns the full product lifecycle.
See the work →Led the frontend team on a responsible-gambling casino platform (React + TypeScript, mobile-first). Collaborated with the backend team on API design — including CAP (the operator's central authority) and SymbioBet (AI for responsible gaming) — integrated third-party services, and represented the company with customers.
See the work →Co-founded Digiza and delivered software end to end — from discovery and architecture through implementation, deployment and ongoing support.
See the work →Co-founded a fintech company as CEO & CTO — building exchange trading bots, a crypto exchange and broker, and an automatic gold-price adjuster.
See the work →Led frontend development for a subscription e-commerce platform (Symfony/PHP, MVC), and collaborated on the database schema and API design; built the frontend in React.
See the work →Built PHP/Symfony (MVC) real-estate applications for a Centrum.cz subsidiary — nextreality.cz and realitymix.cz, the RE/MAX and Next internal CRMs, and a tool for automatic conversion of the RÚIAN address registry.
See the work →Built PHP map applications for public administration.
See the work →Selected work
Production React Native mobile app
Builds and maintains a production React Native app in TypeScript — owning mobile UX, state, API data flows, forms, validation and complex date/time behavior.
How I work
Not a methodology slide — the real path, with the evidence at each stage. Switch project to see how it played out.
Product problem
Combines deep engineering execution with product thinking, UX sensitivity and a co-founder / former CTO background; comfortable taking ambiguous requirements from discovery to production.
Translated client operational workflows and product goals into internal platforms, SaaS systems and customer-facing digital products.
Conceived, designed and built Ambera Forge end to end — a B2B tool that grades engineering effort from a task's review loop and sizes sprints to a team's real capacity, with a per-person privacy membrane — and owns the full product lifecycle.
Problems I can own
Turn ambiguous requirements, business workflows and Figma/product input into maintainable software and shipped outcomes.
State management, server data, forms, validation, date/time logic, navigation, notifications and scalable UI systems.
Frontend, backend/API integration, CI/CD, cloud infrastructure, observability, analytics, subscriptions and release readiness.
Improve legacy PHP/.NET/jQuery systems incrementally and debug hard production issues across the application, build and delivery layers.
LLM product integrations (Anthropic Claude), context-aware personalization and AI-assisted workflows.
Certifications
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