technologies-expected :

about-project :

We are looking for a Senior .NET Developer to join a team working on secure and scalable SaaS solutions for a global security technology platform. In this role, you’ll develop high-performance back-end systems that support organizations worldwide, ensuring reliability, security, and efficiency.
You’ll be part of a collaborative and dynamic environment, working closely with developers and QA specialists to build robust applications. This is a great opportunity to work with modern technologies, contribute to architectural decisions, and have a real impact on the direction of the project. If you enjoy solving complex challenges and want to be part of something meaningful—this role is for you!

responsibilities :

Develop and maintain back-end services and APIs in C# and .NET
Work with databases like MS-SQL, MongoDB, and AWS Aurora to ensure performance and scalability
Focus on security and compliance with standards such as SOC, ISO, and GDPR
Collaborate with the team to design efficient and scalable solutions
Optimize performance and reliability to keep systems running smoothly
Conduct code reviews and share knowledge with less experienced developers

requirements-expected :

At least 12 years of experience in back-end development
Strong knowledge of C#, .NET, MVC, and databases
Experience with AWS, Docker, and Kubernetes is a plus
Problem-solving mindset and good communication skills
Openness to a hybrid work model, with 2–3 days per week on-site in the Wrocław office
Strong communication skills in English, both written and spoken, are required
Residing in Poland required

offered :

Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People

about-project :