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

Must have:

  • .NET Core
  • .NET Framework
  • MS SQL Server
  • Git

Nice-to-have:

  • Docker
  • Kubernetes
  • Azure Cloud
  • React
  • Angular

As our worker, you will join the community of over 400 experienced .NET Developers at Sii.

Our specialists have contributed to developing one of the most popular FinTech Payment Platforms, helped the Investment Banking community develop new systems and applications from scratch, and created lab equipment controlling software for advanced DNA/RNA analytics.

We are a Microsoft Solutions Partner and members of Microsoft Cloud Elite. This would give you access to unique projects and many perks, such as free training and exam vouchers.

Our candidates receive a personalized offer that matches their career plan and preferences, with many different projects to choose from.

Your role

  • Developing applications based on .NET
  • Collaborating with the team and stakeholders from product definition to launch
  • Actively participating in Scrum team activities
  • Using good practices such as code review, unit testing, design patterns, and DevOps culture
  • Contributing to the product architecture in its current and future shape

Your skills
  • At least 3 years of experience as a .NET Developer
  • Solid knowledge of C# and .NET (Framework or Core)
  • Hands-on experience with CI/CD tools
  • Experience with writing unit tests
  • Familiarity with architectures (microservices or serverless would be an asset)
  • Good written and spoken technical English, allowing trouble-free communication

Optional:

  • Knowledge of front-end technologies, such as Angular or React

Job no. 230601-0BJO7

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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