• Full-stack engineer
  • React · Node.js · GraphQL
  • Fintech · Wealth management
  • Bratislava, Slovakia

( Frederik )

SCHLENTC

( Full-stack ) ( TypeScript first ) Get in touch ( Fintech ) ( Since 2015 )

Software engineer.
Full-stack TypeScript, React and Node.js, shipping to production since 2015.

frederik.schlentc@frtz.tech © 2026 Frederik Schlentc
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Who is Frederik?
FS_001 · LIVE
$ whoami
What I bring
01 / 04

Full-stack

Front to back

02 / 04

Fintech

Wealth platforms

03 / 04

TypeScript

End to end

04 / 04

Mentor

Teams that ship

The Ledger

Every role on record
Newest block first
SINCE_20157_ROLESFINTECH_ENERGY_SAAS
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The Network

Skills × roles, linked
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10+Years
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Skills: JavaScript, TypeScript, C#, PHP, SQL, React, Angular, Redux, Redux-Saga, Flux, SCSS, Bootstrap, MUI, Storybook, micro-frontends, Node.js, Express, .NET, GraphQL, REST API, MongoDB, PostgreSQL, MySQL, Redis, Oracle, Docker, Kubernetes, ArgoCD, Jenkins, Terraform, Azure, microservices, Webpack, Babel, Vite, ESLint, Jest, Enzyme, Grafana, Kibana, Elasticsearch, Figma, Claude, Cursor, Codex, Copilot CLI.

Now Building

Under my own company, FRTZ
Open to contract work
ElizyoBooking SaaSAI voice receptionistClinicsSalonsSmall businessesMulti-tenantCentral Europe

Elizyo is a booking platform for clinics and small businesses, with an AI voice receptionist that picks up the phone and books the slot. Alongside it I take on contract work: full-stack TypeScript, React and Node.js, ideally in fintech or product teams.

frederik.schlentc@frtz.tech