Senior .NET Developer

Our Client dominates the Polish e-commerce arena as the market leader since 1999, with a user base of over 20 million. The well-established platform focuses on growth through market expansion and investment, supported by a talented IT team of over 1,000 employees developing in-house technologies. Jit Team has partnered with this Client since spring 2021, with multiple autonomous teams designing platform components via microservices. The project involves delivering software at massive scale, impacting millions of users daily, using state-of-the-art technologies and tools.

• Minimum 4 years of professional experience with .NET / C#
• Strong experience in backend development and API design
• Practical experience with microservices and distributed systems
• Good knowledge of SQL and relational databases
• Practical experience with Microsoft Azure
• Very good knowledge of Git
• Understanding of software architecture and design patterns
• Experience with performance analysis and optimization
• Experience with code reviews and preferably mentoring
• Ability to collaborate effectively with product teams, architects, and other technology teams
• English at B2+ level

Nice to have:

• Kubernetes
• Docker
• Event Sourcing
• PowerShell / Bash
• Azure DevOps

• Designing, developing, and maintaining backend applications using .NET / C#
• Developing and maintaining microservices and distributed systems
• Designing and implementing REST APIs for business applications and services
• Participating in software architecture and technical design decisions
• Collaborating with product teams, architects, and other technology teams
• Performing code reviews and ensuring high code quality
• Analyzing and optimizing application performance
• Maintaining and optimizing high-availability systems
• Supporting technical improvements and continuous development of existing solutions
• Sharing knowledge and providing technical mentoring to other team members