Senior Backend Developer (.NET / Microservices)

Description:

We are looking for a Senior Backend Developer  with strong system-level thinking, experience building complex distributed systems, and the ability to take full ownership of major features — from planning to production.In this role, you will design and develop Backend systems based on .NET and Microservices, including event-driven architectures and high-throughput workloads. You will collaborate closely with Developers, QA, and Product teams, while taking responsibility for performance, scalability, stability, and security.

Responsibilities:

• Design, develop, and maintain complex Backend systems using .NET and Microservices
• Design and develop secure, scalable, and well-documented RESTful APIs (Swagger /
• OpenAPI)
• Work with Messaging and Event Streaming systems such as Kafka
• Write and maintain Unit Tests and Integration Tests
• Troubleshoot production issues, identify bottlenecks, and improve system performance
• Collaborate in an Agile / SCRUM environment
• Take ownership of features from design through production deployment

Requirements:

• 5+ years of Backend development experience with .NET
• Hands-on experience with Microservices and distributed systems architecture
• Experience designing and developing RESTful APIs
• Experience working with Kafka or similar Event Bus technologies
• Experience with relational databases and ORM frameworks (e.g., Entity Framework)
• Experience with caching systems such as Redis
• Experience with Docker / Containers
• Mandatory: daily use of AI coding tools (Claude Code, Codex, Gemini CLI, etc.)
• Strong ownership mindset and ability to work independently
• Excellent cross-team communication skills
• Availability to work weekends / Shabbat during critical production incidents
• Willingness to use mobile phone communication and WhatsApp when needed

Nice to Have:

• Experience working on High-Scale / High-Throughput systems
• Experience as a Scrum Master

Work Model: Hybrid - 2 days in office, 3 days from home