With over 7,500 specialists, Sii is the largest technology consulting, digital transformation, BPO, and engineering services vendor in Poland. When it comes to testing services, our success couldn’t happen without over 900 of our testing engineers! It makes us the biggest Testing Services Center in Poland. Daily, we run 500,000 tests for over 200 clients.
Impressed? Then join us as a JavaScipt Test Developer for our newest Hi-Tech project. You’ll support the quality of software using a combination of various types of testing techniques. You’ll be able to use JavaScript/TypeScript on a daily basis and further develop yourself in our Competency Center.
Don’t hesitate – apply!
Your roleJob no. 240911-YLHWN
Bring them to Sii and receive a bonus (fill in the form in English please)
ul. Józefa Marjańskiego 3, 15-402 Białystok
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...
Plac Kościeleckich 3, 85-033 Bydgoszcz
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...
ul. Tischnera 8, 30-418 Kraków
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...
al. Grunwaldzka 472E, 80-309 Gdańsk
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...
al. Roździeńskiego 1A, 40-202 Katowice
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...
ul. Piotrkowska 157A, 90-440 Łódź
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...
ul. Szeligowskiego 6B, 20-883 Lublin
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...
ul. Kossaka 20, 64-920 Piła
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...
ul. Królowej Jadwigi 43, 61-872 Poznań
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.
al. Tadeusza Rejtana 20B, 35-310 Rzeszów
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...
ul. Storrady-Świętosławy 1B/111, 71-602 Szczecin
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...
ul. Kościuszki 71, 87-100 Toruń
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...
al. Niepodległości 69, 02-626 Warszawa
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...
ul. Na Ostatnim Groszu 3, 54-207 Wrocław
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.
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