Senior Backend Developer /Tech Lead

We are establishing a new backend group that will take full ownership of a core application area.
We are looking for a Senior Backend Developer who will lead the backend effort end-to-end - from initial architecture and technology choices, through implementation and scaling, and into long-term ownership and evolution.
This is a hands-on technical leadership role. You will design, build, and own production systems, work closely with multiple teams, influence product direction, and set the technical bar for the group.
We embrace an agile mindset - you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.
Responsibilities
      Take full ownership of the backend architecture for a major application area
      Design and implement scalable, reliable, and maintainable backend systems
      Lead technical design and decision-making, including technology and architecture choices
      Work closely with product, frontend

דרישות:

7+ years of backend development experience
      2+ years of hands-on NodeJs OR Python OR GO experience - or strong motivation to learn and use it in production- big advantage.
      Experience with distributed, high-scale systems.
      Proven experience designing and building high-scale, production systems
      Deep understanding of backend architecture, distributed systems, and APIs
      Strong problem-solving and debugging skills, including complex system behavior and production troubleshooting at scale
      Experience working with databases (relational and/or NoSQL), including schema design and performance considerations
      Solid knowledge of modern backend technologies and frameworks
      Experience collaborating across teams in a large or multi-team environment
      Strong communication skills and the ability to lead through influence
Nice to Have
      Familiarity with containerization tools (Docker/Kubernetes)
      Exposure to caching systems (e.g.