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

Senior .NET Developer

Jacobs