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    Web&Mobile development services

    Join our team!

    If you are an expert in area of software development / data science / cloud or quality assurance, and you are looking for new professional challenges, don’t hesitate and send us your CV.

    Remote Smart Contract (Tech Lead) Developer

    Lokalizacja: Polska

    O pracodawcy

    We are Cognitum Services – Software House, providing services worldwide for over 12 years!

    Our offices are located in Warsaw, Zurich and Sydney, but we work remotely.

    We are characterized by a flat organizational structure, professionalism and attention to the highest quality of implemented solutions.

    We are distinguished by the real use of machine learning techniques and neural networks, which we successfully use in our projects.

    In 2021 we were ranked among the best Polish companies in the field of Big Data, prepared by Data Magazine!

    Do you like contributing to Open Source projects?  We would be happy to tell you about our project on the borderline of semantic technologies and machine learning!

    If you care about continuous development of your skills and programming is still fun for you, we’d love to have you in our team!

    Zakres obowiązków

    We are looking for an experienced Smart Contract Developer who will work as a Tech Lead to strengthen our R&D team that develops NFTi projects. 

    If you:

    • Know what is Muun Vallet and Lightning Network?
    • Are interested in DAO?
    • Want to work with talented people in a multicultural environment and value the best tech practices and quality?

    Check our offer and let us know about you!


    • 3+ years of experience in full-stack web or Smart Contracts development;
    • Good understanding of Solidity and Ethereum or Lightning Network;
    • Realized projects in Solidity or other DLTs;
    • Experience with at least one of the following programming languages: Java, Nodejs, Python, Golang;
    • Strong desire to learn about the latest Blockchain technologies and products
    • Understanding of Agile methodologies such as SCRUM;
    • Good communication and expression skills in English. A team player with solid execution ability. All of our internal and external communication is in English.


    • Development of an innovative project;
    • Fully remote work;
    • Ability to implement your own ideas;
    • Flexible working hours;
    • Training budget – continuous opportunities to develop and improve skills;
    • Tools necessary for work (computer, phone if needed);

    Your certified partner!

    Empower your projects with Cognitum, backed by the assurance of our ISO 27001 and ISO 9001 certifications, symbolizing elite data security and quality standards.