Senior Application Security Researcher

🔥 1 minute ago

🇪🇸 Spain – Remote

⏰ Full Time

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 16%

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Commit

WebsiteLinkedInAll Job Openings

501 - 1000 employees

🔒 Cybersecurity

Cybersecurity

Commit is a global tech services company founded in 2005, with a presence in Israel, the US, Canada, the UK, and Europe. It specializes in advanced technologies and applications, providing innovative, end-to-end technology solutions, including custom software and IoT platforms. Commit has over 700 multidisciplinary experts who cater to a wide array of companies, from startups to large enterprises, and focuses on areas like Cloud, GenAI, Software, IoT, Big Data, Cybersecurity, and data center migration. Its proprietary Flexible R&D methodology supports clients in transforming their technology visions into high-quality products while reducing costs and improving time-to-market.

📋 Description

• Push modern application security forward through hands-on security research • Work with engineers, researchers, and AI/data scientists on next-generation detection • Develop autonomous, agentic penetration-testing capabilities • Build and break security solutions rather than perform a typical AppSec role • Take research ideas from prototype to production

🎯 Requirements

• 5+ years hands-on in offensive security, vulnerability research, or application security • Deep understanding of web application and API vulnerabilities, including business-logic flaws and multi-step attack chains • Strong coding in Python, Go, or similar, with production-quality code shipped • Experience building or tuning detection logic (SAST, DAST, SCA, secrets, or custom rule engines) and reducing false positives • Solid grasp of modern stacks: CI/CD pipelines, containers, Kubernetes, and at least one major cloud provider • Hands-on use of LLMs / AI models for security tasks, with the judgment to measure where they help and where they fail • Comfort with large datasets (SQL, BigQuery, or similar) to drive research and measure detection accuracy • Takes research ideas from prototype to production with minimal guidance • Clear written communication — can explain a complex attack path to engineers and product managers • M.Sc. in Computer Science, Cyber Security, or a related field • Nice to have: Published research, CVEs, conference talks, or a bug bounty track record • Nice to have: Experience building AI agents or evaluation frameworks for LLMs • Nice to have: Background in exploit development, red teaming, or penetration testing • Nice to have: Code analysis techniques (taint analysis, call graphs, reachability) • Nice to have: Contributions to open-source security tools

🏖️ Benefits

• Remote work • Full-time employment

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