Senior Penetration Tester On Demand - OP01638 in Dev.Pro

🟢 Are you in Brazil, Argentina, or Colombia? Join us as we actively recruit in these locations, offering a comfortable remote environment. Submit your CV in English, and we'll get back to you!We invite a highly experienced Penetration Tester to join Dev.Pro for a short-term, project-based engagement. In this on-demand role, you'll conduct a pentest for one of our clients, enhancing the security and resilience of their systems and applications. You'll perform an in-depth vulnerability assessment, develop new tests based on emerging threats, and use your deep technical expertise in cybersecurity to provide insights that will help shape effective strategies for long-term protection.🟩 What's in it for you:Complete a challenging, high-impact pentest project for a fintech client Grow your cybersecurity skills by solving security issues unique to the payments industryEnjoy remote work with a flexible schedule, balancing personal and professional commitmentsWork on a stable product with 7+ years in production, trusted by leading global brandsEnhance your manual testing expertise with a focus on API testing Join a collaborative, supportive, and experienced team, working closely with a client who values team input✅ Is that you?4+ years of hands-on experience in penetration testing (web apps, APIs, backend systems)Proficiency in JavaScript and Node.js for secure code reviewExperience testing vulnerabilities in NoSQL databases, especially MongoDBFamiliarity with containerization and KubernetesExpertise in testing application business logic Solid understanding of network, application, and system securityExperience with various penetration methodologies, tools, and frameworksAbility to document and communicate technical issues effectively Upper-Intermediate English levelAttention to detail, strong decision-making skillsDesirable:General understanding of the fintech domain, including common security challenges and industry regulationsCertifications in penetration testing, offensive security, or ethical hacking🧩Key responsibilities and your contributionIn this role, you'll operate largely autonomously within the defined scope and deadlines. You'll apply your expertise to identify vulnerabilities, assess risks, and help protect the client's critical systems and applications from external threats.Perform advanced penetration tests on web applications, APIs, and backend systemsConduct thorough vulnerability assessments, including testing for NoSQL database vulnerabilitiesAnalyze and assess business logic in applications for security flawsDevelop and run tests to evaluate emerging security threats and ensure comprehensive coverageDocument, report, and provide clear insights on identified security issues Provide actionable recommendations to remediate vulnerabilities and improve overall security Our next steps:✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Interview — ✅ OfferInterested? Find out more:📋How we work💻 LinkedIn Page📈 Our website💻IG Page Show more Show lessOfficial level Senior average Type of employment Full -time Job responsibilities Information technologies Industry IT services and IT consulting