Description

Staff-level Full-Stack Engineer with 15+ years of experience designing and scaling distributed web systems, with deep expertise in frontend architecture (React, Next.js, TypeScript) and strong backend and infrastructure capabilities (Elixir, Node.js, PostgreSQL, Kubernetes, Infrastructure as Code).

Proven track record of founding engineering organizations, leading system architecture across multiple products, and delivering multi-tenant and enterprise-scale platforms used by tens of thousands of users.

Strong system design background with ownership across frontend, backend, and cloud infrastructure layers. Experienced in leading cross-functional engineering execution across product, design, and technical teams.

Languages

English
Native or bilingual
Slovak
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Wibo
System Architect & Lead Engineer
May 2022 - Today (4 years and 3 months)
Bratislava, Slovakia
Architect and technical owner of a large-scale, multi-tenant career guidance platform serving universities, educational, and government organizations.

Scope & Ownership:
End-to-end ownership of system architecture across frontend, backend, AI, and infrastructure layers
Designed and implemented full-stack architecture with evolution from a GraphQL-based system to high-performance RPC-based architecture
Architected a multi-tenant system enabling isolated deployments per institution or organization
Owned infrastructure strategy including deployment pipelines, environments, and operational reliability leveraging IaC patterns
Responsible for system scalability, performance, and production stability across growing user base
Technical Contributions:
Built and maintained frontend applications (React-based), UI libraries, and backend services
Designed distributed data workflows for personalized career guidance systems
Introduced AI-assisted engineering workflows to improve development velocity and prototyping speed
Led long-term technical direction and system evolution decisions
Impact:
Platform serving 60,000+ users with strong projected growth
Production-grade multi-tenant architecture supporting multiple institutional clients
Next.js Elixir PostgreSQL Typescript Design System
M-Files
Lead Engineer
June 2019 - December 2024 (5 years and 6 months)
Tampere, Finland
Worked on enterprise-scale client-facing systems focused on data aggregation, processing, and scalable frontend architecture. Acted as technical lead across multiple projects, bridging business requirements and engineering execution while leading frontend teams and contributing to long-term architectural decisions.

Scope & Ownership:
Led architecture of multiple enterprise frontend systems integrating complex data sources
Acted as technical bridge between business stakeholders and engineering teams, translating requirements into technical specifications, architecture, and implementation plans
Owned system design decisions from requirements to production deployment

Technical Contributions:
Designed scalable frontend architectures for large-scale enterprise applications
Integrated multiple internal and external data systems into unified platforms
Improved system performance, maintainability, and frontend scalability
Contributed to backend integration design and system architecture decisions
Leadership:
Led frontend engineers and defined engineering standards across teams
Worked in cross-functional teams (product, design, backend, architecture)
Influenced long-term technical direction across multiple systems
IT Architecture React.js MySQL Design System Typescript
Toptal
Senior Developer
December 2017 - April 2020 (2 years and 4 months)
San Francisco, United States
Core engineering contributor for internal platform systems and engineering tooling.

Scope:
Built and maintained scalable web interfaces with a strong focus on performance, usability, and developer experience
Worked across frontend and backend systems supporting platform and tooling
Contributions:
Developed scalable frontend systems used internally across distributed teams
Improved developer experience and internal engineering workflows
Contributed to system reliability and platform tooling improvements
Participated in architecture decisions for internal systems
Environment:
Distributed engineering teams across multiple time zones
High-performance, platform-critical engineering environment
Typescript Elixir React.js Node.js