About the Role
One of the companies we work with at Joppy, a TOP Startup, is looking for an Offensive Security Engineer to join the team.
Responsibilities
•Perform proactive penetration testing across company's applications, APIs, infrastructure, and AI-powered features.
•Reproduce and validate vulnerability reports submitted by third parties, like our bug bounty program.
•Collaborate with development teams to remediate security findings and enhance secure coding practices.
•Improve how we validate, triage, and remediate vulnerabilities from bug bounty reports, internal testing, automated controls, and external research.
•Hunt for recurring or legacy vulnerability patterns based on root cause analysis, previous incidents, and security findings.
•Build and improve security automations, agents, skills, and CI/CD controls that help engineering teams catch and fix issues earlier.
•Help secure company's use of AI across product and internal workflows, including LLMs, agents, data access, tools, permissions, and abuse scenarios.
•Contribute to the development of our security tools, automations, and infrastructure.
•Stay up-to-date with the latest security research, threats, attack techniques, and emerging AI security risks.
Requirements
•4+ years of professional experience in Application Security, Offensive Security, or Penetration Testing.
•Web Application Penetration Testing experience is mandatory.
•Degree in Engineering or Computer Science with strong knowledge of web applications, databases, network protocols, and operating systems.
•Strong knowledge in cybersecurity fundamentals, CVSS, testing methodologies, and tooling.
•Fluency with scripting or programming languages used in security testing and automation, such as Python or Bash.
•Technical, curious, and comfortable moving across different security problems instead of specializing in only one area.
•Enjoys both attacking systems and building tools, automations, guardrails, and practical solutions that make security scale.
•Does not need to be an expert in every technology, but should be able to reason critically, learn fast, use AI effectively, and design pragmatic solutions.
•Curiosity and willingness to learn about AI security topics such as LLM testing, prompt injection, agentic workflows, data exposure, tool permissions, RAG security, and secure AI adoption.
•Fluency in English is required.
Nice to Have
•Certifications like BSCP or eWPTX are highly regarded but not mandatory.
•Experience with Ruby / Ruby on Rails applications is highly regarded, but not mandatory.
Benefits
•Collaborative, multicultural, and high-growth work environment
•Private health insurance
•Access to gym, pools, and wellness programs
•Savings on expenses
•Language classes
•Office breakfasts and organic fruit
•Exclusive discounts on meals
•Free coffee and tea
•Pet-friendly environment
