Love Building?
Love Product?
Love Making?

We’re a small team of senior engineers building web and mobile products, modernizing systems and using AI agents to move faster. If you like ownership and direct work with clients, we’d like to meet you.

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Want to apply?

To apply, email join@makersden.io with your CV and a few lines about the work you'd like to do.

Please bear with us if we take a little time to respond.

Who we are

Build with people
who care about
what they ship.

We work in small senior teams. You'll talk directly with clients, make decisions with other makers and take responsibility for the software you ship.

Our handbook

Learn more about us

70

Satisfied customers

107

Completed projects

16

Team members

8

Years in business

Our Team

Meet Your Makers

Meet the makers building with our clients across web, mobile, backend and AI.

Meet the team
Carl-Petter Bertell

Carl-Petter Bertell

Carl-Petter is a founding partner and hands-on full-stack architect with 20+ years of experience. He has been building for the web since the mid-1990s and brings a strong sense of design to his engineering work.

Korneliusz Caputa

Korneliusz Caputa

Korneliusz is a founding partner and full-stack engineer with more than 15 years of experience. He has built products and services for brands around the world.

Mateusz Koncikowski

Mateusz Koncikowski

Mateusz is a partner and React and TypeScript engineer with more than 15 years of experience. He has also spoken at conferences and created developer courses.

Natalia Walasik

Natalia Walasik

Natalia is a React and TypeScript engineer with more than ten years of experience, including fintech work for global clients. She also helps women enter tech through volunteer projects.

Igor Szukało

Igor Szukało

Igor started in yacht design before moving into full-stack development. He pays close attention to detail in the products he builds.

Michał Płócienniczak

Michał Płócienniczak

Michał started coding young and now builds full-stack React products. He focuses on software that solves practical problems for clients.

Kamil Zaborowski

Kamil Zaborowski

Kamil is a full-stack engineer and former startup founder. He brings firsthand experience of building a business to his product work, and follows football closely.

Norbert Matynia

Norbert Matynia

Norbert is a Leicester-based React engineer who builds digital products with TypeScript and Tailwind.

Mateusz Ziomek

Mateusz Ziomek

Mateusz is a self-taught web engineer who works with React and TypeScript. He's also interested in backend architecture, including domain-driven design, CQRS and event-driven systems.

Karol Pudło

Karol Pudło

Karol builds web and mobile products with React and React Native. He keeps a close eye on how both technologies evolve.

Piotr Bogus

Piotr Bogus

Piotr is an iOS engineer with more than 10 years of experience building mobile apps and solving technical problems. Outside work, he enjoys off-road motorcycle touring and DIY projects.

Krzysztof Gajewski

Krzysztof Gajewski

Krzysztof is an Android engineer who joined Makers' Den in 2026. Outside work, he follows financial markets, makes coffee at home and enjoys sport and football.

Dominik Kaliszewski

Dominik Kaliszewski

Dominik is a senior engineer with eight years of experience, specializing in Java and Kotlin. He previously worked at Atlassian and is interested in AI.

Sebastian Frysztak

Sebastian Frysztak

Sebastian is a full-stack engineer with more than eight years of experience across React, TypeScript and Node.js. He writes open-source software and builds self-hosted tools for fun. His corgi keeps him busy outside work.