Portfolio

Hi, I'm Mikolaj — a developer crafting thoughtful web experiences.

I have 10+ years of experience building products for startups and established companies, from early prototypes to production systems. I care about details, performance, and creating interfaces that feel effortless to use.

At a glance

Experience
10+ years
Focus
Front-end & product engineering
Tech
TypeScript, React, Next.js
Location
Europe (remote-friendly)

Gallery

Mikolaj Marciniak
Mikolaj Marciniak
Mikolaj Marciniak
Mikolaj Marciniak
Mikolaj Marciniak
Mikolaj Marciniak

Selected work

See all projects

Becomer.org

A Life Coach platform with integrated nutrition, fitness, and budget tracking to help users achieve their goals.

React · Next.js · TypeScript

Weddingise.com

Professional wedding planning platform with guest management, vendor coordination, and budget tracking.

Next.js · Full-stack · Database

Comunn.com

Forum and community platform where users can create and manage their own customizable forums.

React · Next.js · Community

Experience snapshot

  • Senior Front-end Engineer

    Product teams across B2B SaaS and consumer products

    2018 – Present

  • Full-stack Developer

    Early-stage startups and client work

    2014 – 2018