Senior .NET Backend Developer

Join Our Team as a Senior .NET Backend Developer 

Are you ready to take part in the revolution of smart access technology? Join us—an innovative company that has built smart lock devices from the ground up and is on the path to becoming a global leader in the industry. You’ll become part of a highly experienced, self-managed backend team focused on expanding and improving the backend services behind our mobile and web apps, as well as smart home integrations. You’ll also contribute to our integration with Amazon Alexa, Google Home, and Apple HomeKit. As our user base grows rapidly, we are committed to scaling our platform, improving performance, and increasing automation. We follow SCRUM, delivering new features in two-week increments—planning, designing, implementing, testing, and shipping together. 

Why Join Us? 

• We’re a product-oriented company—your work directly shapes our flagship smart access solution, rather than being spread across multiple, unrelated projects.
• Your decisions will drive our user-facing features and overall product direction, putting your ideas directly in the hands of customers.
• We actively leverage AI technologies to streamline our processes, and continuously improve the way we build and deliver software. 

Job responsibilities 

• Design & Develop secure, high-performance backend services for IoT devices, mobile apps, and third-party integrations.  
• Architect & Implement new features to meet growing user demands, ensuring scalability, reliability, and maintainability.
• Champion Clean Code & Testing with thorough code reviews, automated test coverage, and robust CI/CD pipelines.
• Integrate AI technologies to automate workflows, streamline development, and improve overall efficiency. 

Job requirements 

• 7+ Years of .NET Experience: Proven track record of designing and delivering scalable backend solutions.
• Azure & Cloud Proficiency: Skilled in deploying and optimizing services on Azure (App Services, Functions, Service Bus, Database,  etc.) with a focus on high availability and fault tolerance. 
• Familiar with event-driven architecture and asynchronous communication.
• Proficient in designing robust, preferably public, RESTful APIs.
• Skilled in writing thorough unit tests and integration tests.
• Willingness to utilize AI-driven tools to streamline development, automation, and diagnostics.
• Experience in designing and building CI/CD pipelines.
• Problem-Solving Attitude: Hands-on approach to debugging, diagnosing, and optimizing production systems.
• English proficiency for documentation and collaboration, plus a proactive approach to knowledge sharing. 

What we offer:

• All necessary licenses and tools for performing work.
• Co-financing of Multisport card, Medical Care, additional group insurance.
• Mentorship.
• Remote work (we have office is in Warsaw, but you can work from wherever you want).
• Flexible working hours (we’re looking for results not working hours).
• Informal and supporting atmosphere.