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Niepodleglosci 69 Av.
The Warsaw branch has operated since the establishment of Sii in Poland, i.e. since February 2006. Our headquarters is located in an office building on Niepodleglosci 69 Avenue, right next to the Wierzbno metro station, in the heart of Mokotow...
Grunwaldzka 472e Av.
Sii Gdansk is one of the fastest-growing Sii Poland branches. We’re the third largest IT employer in Pomerania. With more than 1000 engineers and highly-qualified specialists on board, Sii constantly strengthens its position as a leading IT...
Gwiaździsta 66 St.
At Sii Wroclaw, we carry out projects for the automotive, banking, telco, and biotech industries. Our team consists of 500 experts and is constantly growing. We specialize mainly in Java, .NET, BI, and testing.
Królowej Jadwigi 43 St.
Sii Poznan office is located in a modern business center in the heart of the city. Sii Poznan is a great workplace for both independent experts and project teams specializing in software development, testing, QA and application management.
Tischnera 8 St.
Sii Cracow carries out projects based on technologies such as Java, .Net, C / C ++, and C Embedded. We’re also familiar with Xamarin, Power BI, Qlik, Office 365, and Sharepoint. Our clients are global leaders in the banking, tourism, industrial...
Dr Stefan Kopciński 79 St.
Passion for technology, international projects, common hobbies – in short, that’s how you can describe our office in central Poland. The main technologies that Sii experts work with include Java, .NET, C/C++, and front-end. Additionally, our teams...
Szeligowskiego 6B St.
Each year several dozen of experts join us. Specialists from areas such as testing, analysis, consulting, technical support, and IT infrastructure, as well as different software development teams working on Java, .NET, Front-end, PHP...
Ściegiennego 3 St.
Experts from Katowice have built the biggest Sii branch in our region. We cooperate with international companies from the banking, railway, automotive, industrial, automation, and robotics sector. Our software engineers carry out projects...
Tadeusza Rejtana 20 Av.
We create a unique workplace in the heart of south-east Poland. Our team works on projects for Polish and international clients from industries of key importance to our region, in a cooperation model tailored to their needs. We offer not only a great range...
Jasnogórska 79 St.
Engineers from Sii Czestochowa deliver projects to clients from the automotive industry, mainly in the AUTOSAR architecture. The solutions that our specialists work on are implemented by the major international car manufacturers.
Kossaka 20 St.
Sii Pila is our second branch in Greater Poland. It’s a convenient location, proximity to Poznan and Bydgoszcz, and great potential of its residents that distinguish the city. Sii Pila teams specialize in projects for the healthcare, banking, R&D, and automotive...
Zygmunta Starego 24B St.
Experts from Gliwice are engaged in joint projects for international clients, including those from the automotive and high-tech industries. We’re looking for Java, .NET, Front-end, as well as embedded and hardware developers to join our team...
Kościelecki 3 Sq.
Domain experts, innovative projects, and modern office – that’s what working at Sii Bydgoszcz is like. Our branch is created by experienced engineers working mainly in Java, .NET, or C/C++. We’re also proud that experts specializing in testing, BI tools...
Józefa Marjańskiego 3 St.
In the heart of Bialystok, we opened the 13th Sii Poland branch. We’re mainly looking for Java, AEM, .NET, Front-end, testing, and embedded specialists. Our engineers carry out projects for international clients from the banking, medical and...