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Cyber Threat Intelligence

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Backend Team Lead

Engineering
Tel Aviv-Jaffa, Tel Aviv District, Israel (Hybrid)
Description

A leading and innovative company in the field of cyber threat intelligence is looking for a Backend Team Lead to join our growing engineering group and lead one of our core backend teams.

In this role, you will lead a team responsible for building and scaling mission critical backend services that power KELA’s intelligence platform handling large volumes of data, complex pipelines and high-availability systems. You will combine people leadership with hands-on technical leadership, working closely with product, research and operations to deliver reliable, scalable solutions that directly support the company’s growth and business goals.

What You’ll Be Doing

  • Lead and grow a backend engineering team, creating a culture of ownership, quality, and continuous improvement.
  • Own the design, development, and delivery of backend services, APIs and data pipelines in a cloud-native, microservices-based environment.
  • Work closely with Product, Research, and Operations to translate business and intelligence needs into scalable technical solutions.
  • Drive technical and architectural decisions within your domain, balancing performance, reliability, and cost.
  • Maintain high engineering standards through code reviews, testing, and CI/CD best practices.
  • Be hands-on in the code (around 50-60%), leading by example.
  • Take full ownership of your team’s roadmap, delivery, and technical health.
  • Technology stack includes: C#, NestJS, Kubernetes, Kafka, and various relational and non-relational databases, Elasticsearch.
Requirements
  • Minimum 4 years of experience as a backend or software engineer.
  • 1-2 years of experience leading or owning technical delivery for other engineers.
  • C# experience or strong background in other object-oriented languages with solid OOP fundamentals
  • Experience with both relational databases (such as MySQL, PostgreSQL, etc) and non-relational (such as MongoDB, Elasticsearch, etc)
  • Experience working with AWS or similar cloud platforms.
  • Experience with Docker and Kubernetes.
  • Strong understanding of microservices, APIs, and backend system design.
  • Ability to balance people leadership with hands-on technical work.
  • Strong communication skills and a high sense of ownership.
  • Full professional proficiency in English.

Additional Skills

  • Proven experience building production-grade backend systems in distributed, cloud-based environments using Java / NestJS / Python.
  • Familiarity with DevOps operations in AWS, CI/CD, monitoring, and production reliability.
  • Experience in cybersecurity, data scraping, or OSINT.
  • Background in startup or scale-up environments.

Why KELA?

  • Make a real impact by building cybersecurity and threat intelligence products used by governments, MSSPs, and enterprises worldwide.
  • Join a fast-growing, mission-driven company at the forefront of cyber threat intelligence.
  • Work on complex, high-scale engineering challenges involving massive data and critical systems.
  • Be part of a highly skilled team of engineers, researchers, and security experts.
Apply Now