
Application Security Specialist
Checkout.com2 days ago
London, United KingdomEntry Level
Responsibilities
- Integrate security controls into the Secure Software Development Lifecycle and support secure coding guidance based on OWASP Top 10 and CERT Secure Coding Standards.
- Run Static Application Security Testing and Software Composition Analysis scans and conduct API security testing.
- Participate in threat modeling, code reviews, and system reviews; document threats, assess risks, and recommend mitigations.
- Triage, prioritize, track, verify, and support remediation of vulnerabilities identified through automated scans.
- Assist with automating application security pipelines and integrating security into CI/CD workflows.
- Collaborate with engineering and product teams to improve application security and deliver secure-coding and SSDLC awareness training.
- Contribute to security documentation.
Requirements
- 1–3 years of experience in application security, secure software development, or a related IT/security role.
- Basic knowledge of HTTP, TCP/IP, DNS, the OSI model, common software vulnerabilities, and their mitigations.
- Basic programming experience in Python, JavaScript, Golang, or another popular language.
- Understanding of CI/CD pipelines and DevSecOps principles.
- Basic understanding of AWS, GCP, or Azure and GitHub security features.
- Strong attention to detail, effective communication, collaboration, proactive problem solving, and ability to prioritize work.
- Preferred: familiarity with SAST, DAST, and SCA tools and API security testing platforms.
- Preferred: exposure to cloud-native application security, container security using Docker or Kubernetes, or Capture The Flag competitions.
Benefits
- Hybrid working model with three days per week in the office.
- Flexible and accessible working environment with accommodations available during the application process or employment.
- Opportunities for ownership, professional growth, and meaningful work in a global team.
Categories
About Checkout.com
Checkout.com builds a global payments platform for enterprise merchants, offering card acquiring, payment processing, issuing, and risk/fraud tools across 145+ currencies. It serves ecommerce and digital businesses and earns primarily through transaction and service fees, with direct integrations to schemes like Visa, Mastercard, and Amex. Founded in 2012 and headquartered in London, the privately held company counts brands such as Spotify, eBay, Uber, Klarna, and Sony among its customers.