Meet top-ranked product development partner from Poland and Estonia. Discovery Workshops, Product Design, Software Development. - DO OK

Team of Digital Transformation Challengers

Team of Digital Transformation Challengers

What drives us is a mission for a sustainable future, possible to achieve with wise application of the software. 100 clients, 10 years on the market, and millions of people positively affected.

DO OK is a technology consultancy and software development company. We deliver value-focused artefacts like product roadmaps, a pyramid of value, UX & design, or software ready to serve millions of people. 

Basic human needs like security, care, or honesty drive our team to assist you in the process of making the best possible decision with available data. Let's start with a virtual handshake.

Meet the team

Milestones of our story

Meet our team

Dmitrij Żatuchin

CEO

Optimistic believer in meaningful relations, inner-growth and mindfulness. Inspired by the culture of Nordics, brings positive vibes to his teammates and clients. For the balance, he has PhD in Computer Science.

Marijn de Jong

Executive Director Benelux

Niels Henrik Sørensen

Director Denmark

Terje Fjeldvig

Country Representative Norway

Tomasz Krakowczyk

Head of Delivery

Tomasz Honsza

Project Manager & Authorized Signatory

Responsible for managing projects from project commencement to completion and handover. He works with project initiation/proposals, delivery, stakeholder communication and management.

Monika Olejnik

Chief Operating Officer

Katarzyna Pająk

HR Manager

Krzysztof Pieczyński

Head of Business Development

He addresses software developer talent shortage for businessworthy, impactful startups, and entrepreneurs on the lookout for tech partners and developer teams. Krzysztof utilizes over eight years of software product experience in a corporate, startup, and NGO ecosystems within sales, business development, and project management, including education in administration and software engineering. He works to solve a puzzle on how to practice mindfulness in business and use #techforgood.

Tomasz Timoszyk

Project Manager & Branch Manager

His domain is the full project lifecycle from business analytics, understanding, planning through testing, implementation, closing, and service maintenance to deliver projects' scopes just in time and budget. A problem-solving team player with over 8 years of experience in the IT industry. Other people about him: "Tomek is the right person to carry out innovative projects in a friendly atmosphere." Favorite beverage: water

Ula Yasinovska

Senior Account Manager

Daniel Markowski

Senior Product Designer

Jakub Petrykowski

Team Coach

I love working with individuals, solving problems together, helping them grow. We all need some guidance to do well in whatever area we specialize in. I strive to invite others to consciously improve their mindset and skill.

Aleksey Narko

Business Development Manager

Alex is a technology geek and beautiful design enthusiast with extensive startup and software consultancy background. He is passionate about IT, business development and sales. With over 6 years of professional experience gained in different organisations his current goal is building strong bridges between DO OK and it’s business partners. Outside work Alex is an avid traveller, book worm, muay thai and yoga lover.

Radosław Kintzi

Tech Lead

Piotr Maniewski

Senior Business Analyst

Tomasz Wąsiński

Team Leader Backend Developer

Tomasz specializes in functional languages. He likes well-formatted, clean, readable code, and clear architecture. Not a fan of writing about himself.

Piotr Marciniak

Senior Product Designer

Katarzyna Leszczyńska-Bohdan

Head of Communications

Kate is a psychologist by profession, a real communication explorer, and strategist by passion. She supports the team in achieving business goals by building valuable relationships with clients and partners through hard data and a culture of openness, honesty, and transparency. Privately loves motorcycling, snowboarding, and traveling to places with good food.

Marta Zażlak

Full Stack Developer

Przemysław Wycisk

Backend Developer

Katarzyna Sobótka

Recruitment Lead

Karolina Salamon

Office Assistant

Mikołaj Okrzesa

Backend Developer

Krzysztof Możejko

Backend Developer

Artur Łągiewka

Backend Developer

Paweł Kiszteliński

Senior Backend Developer

Sebastian Bednarz

Senior QA Engineer

Agnieszka Dajewska

Business Development Assistant

Jakub Borusewicz

Backend Developer

Szymon Zieliński

Senior Full-stack Web Developer

An experienced web developer focused on backend solutions, especially crafted in Python.

Piotr Broniszewski

Senior Frontend Developer

Piotr Wojdon

Team Leader Senior QA Engineer

A funny guy with a creative mind. Always keen to break apps (and other things), but only in order to make them better.

Grzegorz Szymański

Software Developer

Grzegorz is interested in new technologies, especially web development since a very young age. His hallmark is a big smile and a positive attitude

Irena Szukała

Mobile Developer

Marcin Sędrowski

Senior Backend Developer

Adam Mruk

Software Engineer

Developing software runs in Adam's blood. Fascinated by technology, he observes how the meaning of cybersecurity rises. Always ready to help.

Mateusz Mitelski

Frontend Developer

Ewelina Klisowska

Software Developer

Software developer specializing in web application implemented in Java technology

Jacek Głąb

Team Leader Frontend Developer

"My favorite technology basically is.. technology." Espresso-tonic rocks!

Rafał Gogół

Frontend Developer

Experienced Developer who is not afraid of new challenges. He supports workmates and still increases his skills. He wants to create applications that will make life easier.

Jarosław Galiński

Backend Developer

Python backend programmer, interested in computer vision. In previous job, involved with film industry technologies. He likes to play volleyball, chess and computer games in his free time.

Kacper Dziub

Frontend Developer

Katarzyna Dadek

Senior Fullstack Developer

Katarzyna is good at programming in Node.js and React.js technologies. She's a gamer and coffee lover.

Kamil Cichuta

Team Leader Mobile Developer

His heart belongs to iOS and Swift

Krzysztof Ciach

Senior Frontend Developer

Adrian Capitta

Frontend Developer

Rafał Skucha

Head of Finance and Administration

Rafał makes our work more convenient and smooth. He supports us in every field: operations and administration management, back-office and HR support. Known from his endless patience and British sense of humor. After hours he practises extreme sports.

Tomasz Kuzioła

Team Leader Senior Mobile Developer

Szymon Juskowiak

Fullstack Developer

Frontend developer with over five years of creating the last layer between the user and the system. UX enthusiast who helps with estimating and planning the shape of the application. Dj after hours.

Piotr Olejnik

Senior Mobile Developer
Our door is always open to accountable and responsible specialists.

Our door is always open to accountable and responsible specialists.

Join us

What is special about our technology company?

We help founders and product owners build pro-Earth and pro-people solutions. Energy sector, Healthcare, Logistics, and IoT are for us top of mind industries to support. They influence most of UN Sustainable Development Goals.

We start with values, functional, and emotional, to understand business and end-users at its best. Digital products are more than just software.

When we commit to helping you, expect dedication and a variety of methodologies as a standard. What we ask in return is to treat us as your partner, and value our work with on-time payments.

Smart access to Polish or Estonian IT industry may strengthen your scale-up plans. DO OK is a co-founder of SoDA Poland (Software Development Association) and strategic partner of Allies.Digital (Estonia).

Reach out to software professionals

Tell us about your challenges. We will listen to understand how can we help or connect you with someone who can.

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