Senior Backend Engineer

Tel-Aviv, Israel

Seal Security is a rapidly growing B2B startup in the early stages. Our mission is to enable companies to automate and scale open source vulnerability remediation, providing organizations with centralized control over the vulnerability patching process.

We're seeking a core team member with a strong security research background. This individual will work closely with our CTO on the company's foundational technology.

This position offers a unique chance to join a startup at its inception. As a member of our R&D team, you'll be part of an ambitious and dynamic group. We're proud of the impact our product makes. Leveraging cutting-edge advancements in DevOps and LLMs, we've developed an automated pipeline for security patches, addressing a significant gap in the open source remediation domain.

We are supported by top-tier venture capital firms and guided by a team of cybersecurity experts, Seal Security is on a promising trajectory.

Our clientele includes notable names like a Fortune 100 company in the financial sector, a NASDAQ-listed software firm, and various SMBs.


  • End-to-end development of backend software components (research, design, development, testing, rollout, monitoring).
  • Contribute to technological and architectural decisions.
  • Conduct design and code reviews.
  • Analyzing and improving efficiency, scalability, and stability of various backend system components


  • 7+ years of experience in backend engineering with high-level programming languages (e.g., Python, Golang).
  • Extensive experience in security research (e.g., vulnerability research, exploits).
  • Experience with continuous integration and deployment (CI/CD)
  • Micro-services based architecture experience.
  • An agile mindset adaptable to a startup's dynamic environment.

Apply for the position

Thank you for submitting your application and expressing interest in this position; we look forward to reviewing your application.
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