Senior QA Engineer

Seraphic Security

Tel Aviv, IL
  • Job Type: Full-Time
  • Function: Engineering QA
  • Post Date: 06/29/2025
  • Website: seraphicsecurity.com
  • Company Address: 1000 N West St, Suite 1410, Wilmington, DE, 19801

About Seraphic Security

Seraphic enables secure browsing for your employees and contractors working from their corporate or personal devices, so they can enjoy full productivity without risk.

Job Description

The browser has become the main productivity tool for employees due to driving trends like working remotely, BYOD, and web-based SaaS applications. 

At Seraphic, we are revolutionizing browser security. Our patent-pending technology offers unmatched protection against zero-day attacks, phishing, and malicious downloads. By operating at the core of the browser, we provide comprehensive visibility and control, preventing data loss and leakage. 

Why Seraphic? 

  • Cutting-Edge Protection: Full defense against all browser threats. 
  • Seamless Access: Browse internal sites and private applications directly from your browser without a VPN or a remote desktop 
  • Innovative Environment: Be part of a team leading the cybersecurity frontier shaping the modern solutions impacting billions of users. 
  • Challenging Technologies: Engage with a rich SaaS app, high-scale backend processing millions of requests, and a core networking solution, all with the highest level of security 
  • Innovation and Leadership: Leverage our patented technology and leadership recognition, such as Frost & Sullivan's 2024 Enabling Technology Leadership Award for Global Zero Trust Browser Security 
  • Collaboration and Team: Work with industry experts in a collaborative environment to solve complex problems 

This is an exciting opportunity to join a fast-growing start-up company, consisting of talented team players, with the best-of-breed solution revolutionizing browser security. 

Join us in shaping the future of secure browsing! 

What you'll do: 

  • Become the Guardian of the Quality by planning, executing, and documenting comprehensive manual testing scenarios for our web-based security and backend platforms 
  • Own the QA process end-to-end, from test case design to bug reporting and regression tracking 
  • Ensure the quality, reliability, and security of product features by validating functionality against real-world edge cases and threat scenarios 
  • Collaborate closely with developers, product managers, and security engineers to define clear acceptance criteria and testing scope 
  • Participate in sprint planning and product design reviews, acting as the voice of quality throughout the development lifecycle 
  • Identify opportunities to improve test coverage and streamline testing processes 
  • Contribute to automation frameworks and scripts as needed to support ongoing CI/CD initiatives   

Requirements

What you’ll bring with you: 

  • 5+ years of hands-on experience in software quality assurance, with a strong focus on manual testing of complex systems 
  • Proven experience testing web applications, backend services 
  • Solid understanding of software development life cycles (Agile/Scrum), QA methodologies, and test planning 
  • Experience writing detailed, structured test cases and executing regression, integration, and exploratory tests 
  • Familiarity with networking fundamentals (HTTP/S, DNS, TCP/IP, proxies, etc.) — cybersecurity or networking experience is a strong advantage 
  • Ability to analyze logs, investigate issues independently, and communicate findings clearly to developers and stakeholders 
  • Strong critical thinking, attention to detail, and a mindset for breaking things in smart ways 
  • Excellent communication skills and the ability to collaborate cross-functionally in a fast-paced environment 

Nice to have but not a must: 

  • Experience with automation tools (e.g., Typescript, Playwright, Postman, REST APIs) 
  • A start-up working experience, preferably in early stages 
  • B.Sc. Computer Science/Engineering or equivalent knowledge

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Disclaimer: Local Candidates Only
This company does NOT accept candidates from outside recruiting firms. Agency contacts are not welcome.