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About us
We are one of the fastest-growing IT companies on the Polish market founded by experienced and charismatic leaders. In a short time, we completed over 200 projects, expanded our team to more than 400 people and opened 6 offices in Poland and a branch in the USA. Currently, we support customers and in-house projects in 4 main domains: software development, infrastructure and security, BI/DWH, Big Data and RPA, software testing, business analysis and project management.
Type
other
Company size
400
Industry
IT solutions
Headquarters
Warszawa
Our team
Łukasz
Java Team Leader
„The people are most important at Onwelo. We can participate in interesting, challenging projects, proving our effectiveness, and that enables us to achieve results that we are proud of as a team.”
Joanna
Intelligent Automation Senior Specialist
„In my work, I most value positive people around me and the fact that every day is different. I am happy that I have the opportunity to use my skills in end-to-end projects.”
Maciek
Junior Big Data Developer
„Because Onwelo is open to suggestions and initiatives, I can have a genuine influence both on the results of our work and on my path of development.”
Our offices

Warszawa, Karolkowa 30 - 52.231845, 20.9781479

Kraków, Prądnicka 20a - 50.0774172, 19.9356692

New York, 85 Broad Street - 40.7040662, -74.0111456

Kielce, Zagnańska 49 - 50.8850599, 20.6261981

Katowice, Chorzowska 6 - 50.2640462, 19.0203749

Lublin, Nałęczowska 14 - 51.248699, 22.5182318

Gdańsk, Azymutalna 9 - 54.3865154, 18.4652454

Company insight
Take a closer look
Knowledge
You can depend on the support of our specialists. The experienced teams – managers, seniors and mentors drive professional development, positive cooperation and team spirit. It allows for an exchange of information and for being up to date with new solutions. At Onwelo we know how to use innovative and modern technologies thanks to customers striving to invest in such tools.
Development
At Onwelo we are open to ideas and suggestions of our specialists. As a member of our team, you will have a real impact on the choice of a technological stack. We will give you access to advanced work tools. With us, you will have an influence on the results of your daily tasks and the direction of your professional development.
Flexibility
We will customize the model of employment to your needs. You can choose the most convenient type of employment contract. Do you prefer remote work? We are receptive to such a solution! At Onwelo you will also have the opportunity to work in flexible hours.
Modern office
Each of our 7 offices has the same high standard. We always search for office buildings that can offer attractive and easy to reach location. We create modern space that drives the collaboration and creativity through social rooms, chill rooms, spacious kitchens, nice patios and terraces. The comfy conference rooms and soundproof phone booths are also available for those who prefer to work in more silent environments.
Job offers
  • Python Data Developer
    12 600 - 21 000 PLN net 2019-10-08 13:00:15 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    10 000 - 20 000 PLN net 2019-10-13 15:00:06 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • System Engineer
    12 600 - 18 900 PLN net 2019-04-29 13:00:10 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Python Developer
    10 000 - 16 000 PLN net 2019-11-07 14:00:08 UTC
    Onwelo S.A. Chorzowska 6 Katowice
  • Python Developer
    8 000 - 13 000 PLN net 2019-04-10 12:00:16 UTC
    Onwelo S.A. Chorzowska Katowice
  • Front-end Developer
    10 000 - 18 000 PLN net 2019-01-04 18:46:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    10 000 - 20 000 PLN net 2018-11-06 11:56:00 UTC
    Onwelo S.A. ul. Prądnicka 20a Kraków
  • Full-Stack Developer
    10 000 - 20 000 PLN net 2018-11-07 08:27:00 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • Front-end Developer
    400 - 800 PLN net 2018-11-07 10:06:00 UTC
    Onwelo SA Karolkowa 30 Warszawa
  • Front-end Developer
    350 - 650 PLN net 2018-11-30 07:11:45 UTC
    Onwelo SA Nałęczowska 14 Lublin
  • Test Automation Engineer
    10 000 - 16 000 PLN net 2019-10-20 15:00:07 UTC
    Onwelo S.A. Centrum Katowice
  • Test Automation Engineer
    10 000 - 16 000 PLN net 2020-02-10 11:00:10 UTC
    Onwelo S.A. ul. Karolkowa 30 Warszawa
  • Embedded Systems Engineer
    13 440 - 20 160 PLN net 2019-10-20 08:00:06 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • Data Engineer (Hadoop)
    13 650 - 18 900 PLN net 2020-05-21 13:00:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Data Modeler
    16 000 - 21 000 PLN net 2020-06-03 13:02:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Architect
    16 000 - 20 000 PLN net 2019-02-12 16:12:00 UTC
    Onwelo Karolkowa 30 Warszawa
  • Test Automation Engineer
    10 000 - 18 000 PLN net 2019-10-20 08:00:06 UTC
    Onwelo S.A. Prądnicka 20A Kraków
  • Data Engineer (Matillion)
    12 600 - 18 900 PLN net 2020-06-02 09:56:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Front-end Developer
    8 000 - 15 000 PLN net 2019-04-29 13:00:10 UTC
    Onwelo S.A. ul. Prądnicka 20a Kraków
  • Front-end Developer
    Undisclosed salary 2019-01-04 20:37:00 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • Full Stack Java Developer
    8 000 - 14 000 PLN net 2020-04-17 07:00:00 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • Big Data DevOps
    10 500 - 16 800 PLN net 2019-06-05 12:00:07 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Node.js Developer
    9 000 - 17 000 PLN net 2020-02-10 14:00:09 UTC
    Onwelo S.A. Centrum Poznań
  • Full Stack PHP Developer
    8 000 - 16 000 PLN net 2020-05-19 18:00:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • DWH Developer
    10 000 - 15 000 PLN net 2019-06-06 13:00:13 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    10 000 - 20 000 PLN net 2019-01-04 20:17:00 UTC
    Onwelo S.A. Prądnicka 20A Kraków
  • Front-end Developer
    7 000 - 12 000 PLN net 2019-01-15 11:01:00 UTC
    Onwelo S.A. Dąbrowskiego 77a Poznań
  • Tester Automatyczny
    6 000 - 11 000 PLN gross 2019-01-04 22:26:00 UTC
    Onwelo Prądnicka 20A Kraków
  • Powerbuilder Developer
    Undisclosed salary 2019-01-04 11:35:00 UTC
    Onwelo Karolkowa 30 Warszawa
  • iOS Developer
    9 000 - 11 000 PLN gross 2020-05-09 13:00:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Front-end Developer
    8 000 - 16 000 PLN net 2019-06-03 14:00:16 UTC
    Onwelo S.A. Azymutalna 9 Gdańsk
  • Senior Web Designer (Poland/Switzerland)
    14 700 - 21 000 PLN net 2019-12-25 11:00:09 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Front-end Developer
    8 000 - 16 000 PLN net 2020-05-19 17:00:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Inżynier ds. Automatyzacji Testów
    10 000 - 16 000 PLN net 2020-02-10 12:00:13 UTC
    Onwelo S.A. Klimeckiego Kraków
  • Full Stack .Net Developer
    11 000 - 16 000 PLN net 2019-09-14 13:00:17 UTC
    Onwelo S.A. Centrum Katowice
  • Front-end Developer
    8 000 - 14 000 PLN net 2020-03-19 15:00:00 UTC
    Onwelo S.A. Chorzowska 6 Katowice
  • .Net Developer
    11 000 - 16 000 PLN net 2019-09-14 13:00:17 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • Full Stack .Net Developer
    11 000 - 16 000 PLN net 2019-10-08 11:00:10 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    11 000 - 16 000 PLN net 2019-09-14 13:00:17 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    10 000 - 20 000 PLN net 2019-10-13 15:00:06 UTC
    Onwelo S.A. Nałęczowska 14 Lublin
  • Senior Front-end Developer with Angular
    14 000 - 19 000 PLN net 2020-02-17 08:00:09 UTC
    Onwelo S.A. Ul. Karolkowa 30, Warszawa Warszawa
  • .Net Developer
    11 000 - 16 000 PLN net 2019-09-14 13:00:17 UTC
    Onwelo S.A. Centrum Katowice
  • Full-stack Java Developer
    Undisclosed salary 2018-02-06 11:39:00 UTC
    Onwelo Karolkowa 30 Warszawa
  • Full Stack .Net Developer
    Undisclosed salary 2019-09-14 13:00:17 UTC
    Onwelo S.A. Krowodrza Kraków
  • Full Stack .Net Developer
    Undisclosed salary 2020-06-03 13:56:00 UTC
    Onwelo S.A. Krowodrza Kraków
  • Big Data Developer
    12 600 - 21 000 PLN net 2019-10-31 13:00:09 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Android Developer
    9 000 - 11 000 PLN gross 2020-05-19 13:00:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Data Engineer (cloud)
    12 600 - 18 900 PLN net 2020-02-03 11:00:10 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • Full-stack Python Developer
    9 000 - 17 000 PLN net 2020-03-01 16:00:08 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Tester Automatyzujący–Aplikacje Mobilne
    9 000 - 16 000 PLN net 2020-03-08 16:00:08 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    8 000 - 16 000 PLN net 2019-04-29 13:00:10 UTC
    Onwelo S.A. ul. Prądnicka 20a Kraków
  • Java Developer
    8 000 - 16 000 PLN net 2019-04-29 13:00:10 UTC
    Onwelo S.A. ul. Chorzowska 6 Katowice
  • Java Developer
    8 000 - 16 000 PLN net 2019-03-18 13:00:09 UTC
    Onwelo S.A. ul. Dąbrowskiego 77a Poznań
  • Front-end Developer
    8 000 - 16 000 PLN net 2019-03-18 15:00:07 UTC
    Onwelo S.A. ul. Chorzowska Katowice
  • Front-end Developer
    8 000 - 16 000 PLN net 2019-03-18 15:00:07 UTC
    Onwelo S.A. ul. Zagnańska 49 Kielce
  • Front-end Developer
    8 000 - 15 000 PLN net 2019-04-29 13:00:10 UTC
    Onwelo S.A. ul. Karolkowa 30 Warszawa
  • .Net Developer
    10 000 - 16 000 PLN net 2019-10-22 12:00:00 UTC
    Onwelo S.A. Nałęczowska 14 Lublin
  • Full-stack Java Developer (Angular)
    9 000 - 17 000 PLN net 2020-05-08 08:00:00 UTC
    Onwelo S.A. Zabłocie, Prądnicka Kraków
  • Front-end Developer
    8 000 - 15 000 PLN net 2019-04-29 13:00:10 UTC
    Onwelo S.A. ul. Chorzowska 6 Katowice
  • Java Developer
    10 000 - 20 000 PLN net 2019-10-10 12:00:11 UTC
    Onwelo S.A. ul. Prądnicka 20a Kraków
  • Senior Frontend Developer
    12 000 - 20 000 PLN net 2019-06-10 07:00:07 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • System Engineer (AWS)
    16 800 - 23 100 PLN net 2019-06-18 11:00:10 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • Full-stack Python Developer
    9 000 - 17 000 PLN net 2020-03-01 16:00:08 UTC
    Onwelo S.A. Zabierzów Zabierzów
  • DevOps Engineer
    8 000 - 16 000 PLN net 2020-05-19 11:00:00 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Tester Automatyczny
    6 000 - 11 000 PLN gross 2019-01-04 22:40:00 UTC
    Onwelo Chorzowska 6 Katowice
  • Java Developer
    8 000 - 16 000 PLN net 2019-04-29 13:00:10 UTC
    Onwelo S.A. ul. Karolkowa 30 Warszawa
  • Front-end Developer
    8 000 - 16 000 PLN net 2019-03-18 15:00:07 UTC
    Onwelo S.A. ul. Prądnicka 20a Kraków
  • System Engineer
    12 600 - 18 900 PLN net 2019-05-10 17:00:07 UTC
    Onwelo S.A. Prądnicka 20a Kraków
  • System Engineer
    12 600 - 18 900 PLN net 2019-05-10 17:00:07 UTC
    Onwelo S.A. Chorzowska 6 Katowice
  • .NET Developer
    8 000 - 16 000 PLN net 2019-04-02 11:00:20 UTC
    Onwelo S.A. Ul. Karolkowa 30, Warszawa Warszawa
  • Big Data Developer
    8 500 - 17 000 PLN net 2019-04-09 11:00:14 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Front-end Developer (React)
    Undisclosed salary 2020-03-09 15:00:08 UTC
    Onwelo S.A. ul. Prądnicka 20a Kraków
  • Front-end Developer
    8 000 - 14 000 PLN net 2019-06-04 14:00:13 UTC
    Onwelo S.A. Chorzowska Katowice
  • Full Stack .Net Developer
    14 500 - 17 500 PLN net 2020-02-27 14:00:08 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    11 000 - 16 000 PLN net 2019-09-14 13:00:17 UTC
    Onwelo S.A. Centrum Katowice
  • Full Stack .Net Developer
    11 000 - 16 000 PLN net 2019-09-14 13:00:17 UTC
    Onwelo S.A. Karolkowa 30 Warszawa
  • Java Developer
    11 000 - 16 000 PLN net 2019-09-14 13:00:17 UTC
    Onwelo S.A. Prądnicka 20a Kraków