Hi, I'm |

I'm a senior product engineer with a frontend core. I build React and Next.js products and work across the UI, APIs, and data when the product needs it.

Most recently at BudgetBakers owning the Wallet web frontend and its financial chart queries, then designing a portal that brought disconnected internal systems into one place.

5+ years of experience across product and client-facing web platforms.

ReactNext.jsTypeScriptNode.jsSQL

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Experience Highlights

Who am I?

My core is React, Next.js, and TypeScript. My production work also covers authentication and permissions, BFF APIs, database design, local SQL and data sync, CI/CD, and internal tooling.

Web product ownership. I take frontend work from technical design through implementation, review, and production support.
Data and APIs. I have designed BFF APIs and database schemas and worked with SQL, MongoDB, local data, and synchronization.
Accessibility and performance. I have refactored production UI for keyboard and screen reader use, SEO, rendering speed, and large datasets.
Architecture across teams. I present technical proposals, align product, design, frontend, and backend, and turn decisions into code.

Selected Projects

Work I can explain in depth.

The problems, decisions, and code I owned across product UI, internal tooling, accessibility, and data.

BudgetBakersCase Study

Wallet

Personal finance web app with large user datasets, local SQL, data sync, and complex financial charts.

Owned the web frontend and chart data queries. Refactored SEO, accessibility, performance, indexing, and database boundaries.

Next.jsTypeScriptSQLCouchDB

BudgetBakersCase Study

Internal Product Portal

A single portal for work previously split across several internal systems, with selected access for external clients.

Designed the architecture, authentication and permissions, IAM, BFF API, and database schemas.

TypeScriptNode.jsBFFAuth & IAM

ACTUM DigitalCase Study

Christie’s Design System

Premium design system with reusable components, tokenized theming, and governance for multiple product teams.

Frontend Developer · Component build-out, Storybook, cross-team reviews.

Design SystemsStorybookReactGovernance

ACTUM DigitalCase Study

aria-hooks

Accessibility-first hooks library that standardizes keyboard and screen reader behavior.

Frontend Developer · Accessibility strategy, reusable utilities, documentation.

AccessibilityReactTypeScriptDX

Skills & Expertise

Where I work.

A frontend foundation with production experience in APIs, data, authentication, and delivery.

Frontend

ReactNext.jsTypeScriptState ManagementAccessibility

Backend & Data

Node.jsSQLMongoDBtRPCAPI & BFF Design

Architecture & Delivery

Auth & IAMDesign SystemsPerformanceDockerCI/CD

Career Experience

Roles and ownership.

Product work across fintech, design systems, accessibility, and client delivery since 2019.

BudgetBakers

Senior Frontend Engineer

2022–2026

Owned Wallet’s web frontend and chart data queries. Designed an internal portal spanning authentication, permissions, IAM, BFF APIs, and database schemas.

WalletInternal Product PortalBoard

ACTUM Digital

Frontend Developer

2021–2022

Built reusable components and accessibility utilities for enterprise client teams, with strong documentation and review practices.

Christie’s Design Systemaria-hooksInoggy eContracting

Freelance

Frontend Developer

2019–2021

Delivered websites, landing pages, and small e-commerce projects with fast iteration and clean UI delivery.

Marketing sitesPersonal brandsE-commerce MVPs

Contact

Open to senior product-engineering roles.

I'm looking for senior frontend or product-engineering work, either remote or hybrid in Brno, as a contractor or employee.

matej.vykoukal248@gmail.com matejvykoukal.dev

Get CV GitHub →LinkedIn →