Senior .NET Developer

We are seeking a Senior Backend Engineer who will work with local teammates as well as collaborate closely with our U.S.-based project management and development teams, contributing to the design and implementation of modern cloud‑enabled web applications, APIs, and digital twin solutions for large‑scale data center environments. This is a unique opportunity to work on global projects, leverage cutting‑edge technologies such as Azure Cloud and NVIDIA Omniverse APIs, and help shape the future of our next‑generation simulation and visualization platforms. Key Responsibilities • Develop and maintain applications using .NET / .NET Core, and Azure cloud services • Contribute to the development of digital twin components, including data ingestion, simulation logic, and integration with Omniverse APIs • Collaborate with project managers and developers to ensure alignment with client requirements • Participate in all stages of the software development lifecycle: design, coding, testing, debugging, and documentation • Write clean, efficient, secure, and maintainable code following best practices • Liaise with system analysts and business owners to refine requirements and improve applications • Work with Azure services such as App Services, Azure SQL, Azure Functions, or Service Bus (depending on project needs) Requirements • 7+ years of experience in software development (.NET / .NET Core, Entity Framework (or other ORM), REST APIs)) • Strong C# / .NET programming skills and design principles • Familiarity with relational/non relational database design and development (SQL Server preferred) • Knowledge of Entity Framework or other ORM tools • Proficiency with GitHub or similar version control systems • Experience with processing large amounts of data • Strong English communication skills, both spoken and written, enabling clear explanation of technical topics • Ability to work independently and in a collaborative team environment • Knowledge of IaC (Terraform preferred) Ideally You’ll Also Have • Interest or experience in cloud‑based simulation, IoT, or digital twin technologies • Exposure to Agile methodologies (Scrum) • Microsoft Certified Developer Associate or Azure certification We offer • Rewarding employment: Full-time employment with a salary that matches your qualifications • Hybrid work model: Enjoy the flexibility of working from home, with just several office days per month • Flexible hours: Start your day anytime between 7:30 and 10:00 AM • Comprehensive benefits: Including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system • Co-financed holidays: Enjoy "Wczasy pod Gruszą" for a well-deserved break • Global projects: Engage in exciting international projects • Inclusive networks: Join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more • Continuous learning: Participate in our Graduate Development Program, Learners’ Community, and self-learning platforms • Language courses: Enhance your skills with courses in English, German, and Polish