R&D Technical Leader

What youll do:
Own the technical direction of the Account Security group, driving architecture, engineering standards, and long-term technical strategy across multiple teams.
Be accountable for system design, architecture, code quality, reliability, scalability, and production readiness of mission-critical security services (authentication, MFA, real-time risk, bot protection, and abuse prevention).
Define and enforce engineering best practices and coding standards, ensuring high-quality, secure, and maintainable code across the group.
Design and evolve secure, scalable, and highly available backend systems that operate under real-time, high-throughput, and high-risk environments.
Partner closely with Product, Risk, Data, DevOps, and other R&D teams to align technical solutions with business and security needs.
Lead technical decision-making and navigate complex trade-offs between security, performance, scalability, and time to market.
Represent the group in architectural forums and d

דרישות:

7+ years of hands-on backend engineering experience, including leading complex technical systems and influencing architecture across teams.
Deep expertise in C#, Java, or similar object-oriented languages, with a strong focus on clean architecture and high-scale production systems.
Advanced SQL and strong database design skills, with experience in performance optimization and data consistency at scale.
Deep understanding of software design principles, distributed systems, data structures, and algorithms.
Strong experience building and operating microservices-based architectures in cloud environments.
Proven ability to lead technically without direct people management, driving alignment, standards, and execution through influence.
Demonstrated experience solving novel and ambiguous problems, especially in security-sensitive, high-traffic environments.
Experience working on security-critical domains is a strong advantage: authentication, authorization, fraud prevention, identity, or rea