DO OK is a consultancy and software development company. - DO OK

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Hello, we are DO OK

Hello, we are DO OK

We like to say that developing software is our side job; our focus is on accommodating it to its users. We love to help people get a gain in health, time or life comfort.

DO OK is a consultancy and software development company. We focus on delivering comprehensive software services for FinTech, MedTech, Healthcare, supply chain using blockchain, big data, web applications, mobile, and end-to-end solutions.

We don’t pursue projects that are unwanted – so you can expect substantive feedback and actual assistance in the process of developing the solution.

Meet the team

Our milestones

Meet our team

Dmitrij Żatuchin


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 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

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.

Katarzyna Pająk

HR Manager

Krzysztof Pieczyński

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.

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.

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

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.

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

Frontend Developer

Piotr Wojdon

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.

Tomasz Wąsiński

Backend Developer

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

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

Software 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

Łukasz Jurczak

Software Developer

Jacek Głąb

Full Stack 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

Full Stack Developer

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

Kamil Cichuta

Mobile Developer

His heart belongs to iOS and Swift

Krzysztof Ciach

Frontend Developer

Adrian Capitta

Frontend Developer

Rafał Skucha

Office Manager

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

iOS Developer

Szymon Juskowiak

Frontend 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

Mobile Application Team Leader
Our door is always open to top talents.

Our door is always open to top talents.

Join us

Why us?

Quality assurance, continuous integration and deployment with up-to-date, cutting-edge technologies runs in our blood.

We speak business language. Premium software services are more than just outsourcing. We do care about our clients by accomplishing their business goals

The supreme quality as a standard. If you value clear communication, agile methodologies, and time and material approach we are on the same page.

Quick access to wide Polish IT industry for synergies and co-operation DO OK is a co-founder of SoDA Poland (Software Development Association)

Meet a team of tech-savvy passionates, on the mission, to bring you peace of mind.

Let's see how can we help you.

Contact us

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