Possible locations
  • Bialystok
  • Bydgoszcz
  • Czestochowa
  • Gdansk
  • Gliwice
  • Katowice
  • Kielce
  • Cracow
  • Lublin
  • Lodz
  • Pila
  • Poznan
  • Rzeszow
  • Szczecin
  • Torun
  • Warsaw
  • Wroclaw
  • Remote work
Technologies & tools
  • Flutter
  • REST API
  • Git

Since 2006, we have been working with prestigious brands worldwide, even with partner status for many clients. Currently, with over 7 500 experts, we have become Poland's top IT solutions provider! Thanks to the feedback from our workers, we know we have been the best Place to Work since 2015.

We are driven by our 14 values, such as transparency, flexibility, curiosity, trust, and freedom.

As a Flutter Developer, you will collaborate with our highly skilled development teams, creating state-of-the-art solutions for remote patient monitoring, medication adherence and monitoring, patient support and patient engagement.

Your role

  • Design and build advanced applications for the iOS and Android platforms using the Flutter framework
  • Lead Flutter development work closely with other mobile app developers, ensure a consistent approach for all platforms and maintain parity in features
  • Standardize the apps to the same quality and UI/UX and at the same time minimize duplication of effort
  • Collaborate with cross-functional teams to define, design and ship new features
  • Unit-test code for robustness, usability, and general reliability
  • Identify and correct bottlenecks, fix bugs and improve application performance
  • Help maintain code quality, development processes, and automated testing
  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Your skills
  • Minimum 4 years of working experience in mobile app development, demonstrating successful delivery of mobile apps integrated with cloud-based services
  • Very good knowledge of Flutter
  • Good knowledge of Git
  • Experience with RESTful APIs to connect apps to back-end services
  • Knowledge of cloud message APIs and push notifications
  • Experience with third-party libraries and APIs
  • Solid understanding of the mobile development life cycle and UI/UX standards
  • Excellent verbal and written communication skills in English and ability to work in both international and multifunctional teams

Job no. 230221-MFDKW

Why Sii

Great Place to Work

it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

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Hundreds of fascinating projects

prestigious brands from around the world, long-term contracts with many clients

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Projects suited to you

Do you want to change your career path? Is your project coming to an end? We’ll find you a new one! We have an app for this – Job Changer

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We share the profit with Workers

last year we allocated PLN 23 M to this benefit

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PLN 1 000 000 per year for your ideas

with this amount, we support the passions and voluntary actions of our workers

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7 500 experts and many development opportunities

Tech Communities, workshops, a training platform, and a technology blog – you choose

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Employment stability

revenue of EUR 480M, no debts, since 2006 on the market

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Great, comfortable offices

perfect place to work, integrate, have fun together, and celebrate successes

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Open-minded and available management team

quick decision-making, we’re all on a first-name basis

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True values

these are not empty words – we’re guided by them every day

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Fantastic atmosphere

created by all Sii Power People

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Attractive benefits package

private healthcare, benefits cafeteria platform, car discounts and more

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