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...

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...

Sii Gdansk is one of the fastest-growing Sii Poland branches. We’re the third largest IT employer in Pomerania. With more than 1400 engineers and highly-qualified specialists on board, Sii constantly strengthens its position as a leading IT...

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...

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...

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...

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.

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...

Szczecin is the 15th city in Poland where a branch of Sii Poland has been established. The modern office is located at 1B/111 Storrady Świetosławy St. Employees can use cozy and comfortable project rooms, open space, a kitchen with a dining room, a play room...

Torun is the 16th city in Poland where a branch of Sii Poland was established in 2023. The modern office is located on the second floor of the Kościuszko Business Point building. It is a cozy and soundproofed work space with a kitchen, a relaxation and focus area, conference room...

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...

At Sii Wroclaw, we carry out projects for the automotive, banking, telco, and biotech industries. Our team consists of 900 experts and is constantly growing. We specialize mainly in Java, .NET, BI, and testing.