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.

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...

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...

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...

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.

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...

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...

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...

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...

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...

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...

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.

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...

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...

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...