Application Security Engineer

The Pepperstone story started in 2010. We know what it’s like to trade the world’s markets. Our team describes us as a place for the curious and the driven, and we like to do things a little differently; as a transformative global fintech we’re digital, nimble, connected, and united in our vision to create a better way to trade.

We thrive on progress – for our clients and for ourselves. Our organisational culture is ever-evolving, vibrant, diverse, global and results focused. You’ll find our 700+ team across 12 regions and 9 time zones.

The Role
The Application Security Engineer exists to embed security throughout the software development lifecycle at Pepperstone. You will partner with engineering and product teams to identify, assess, and remediate security vulnerabilities in our applications and APIs, ensuring that security is a first-class citizen in every release.

You will drive adoption of secure coding practices, conduct application security assessments, and help build a security-aware engineering culture across the organisation.

This position reports to Head of Product Security, Limassol, Cyprus. Our team is made up of individuals from all walks of life, each bringing unique experiences and perspectives that enrich our work and culture. We truly value this diversity and are excited to welcome someone who is open-minded, adaptable, and enthusiastic about collaborating in a globally connected and inclusive environment.

What You’ll Be Doing

• Perform application security assessments including threat modelling, secure code reviews, and penetration testing across web, mobile, and API surfaces.

• Partner with development teams to integrate security controls into CI/CD pipelines using SAST, DAST, SCA, and secrets detection tooling.

• Identify, triage, and track vulnerabilities through to remediation, working closely with engineering teams to provide actionable guidance.

• Define and maintain application security standards, secure coding guidelines, and developer-facing security documentation.

• Champion security-by-design principles and provide hands-on guidance during the design and architecture phases of new features and products.

• Lead and support bug bounty and responsible disclosure programmes, coordinating triage and remediation of externally reported issues.

• Conduct security training and awareness sessions for software engineers, embedding secure development practices across teams.

• Evaluate third-party libraries, open-source components, and vendor integrations for security risk.

• Collaborate with the broader Security team on incident response activities related to application-layer vulnerabilities.

About You

• 8+ years of experience in information security, with at least 3 years specialising in application security or software security engineering.

• Solid understanding of common vulnerability classes including OWASP Top 10, business logic flaws, and API security risks.

• Hands-on experience with security testing tools such as Burp Suite, OWASP ZAP, Semgrep, Checkmarx, Snyk, or equivalent.

• Proficiency in at least one programming or scripting language (Python, JavaScript, Java, Go, or similar) to support code review and automation.

• Experience integrating security tooling into CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI, or similar).

• Familiarity with cloud security principles across AWS, Azure, or GCP, particularly as they relate to application hosting and deployment.

• Strong communication skills with the ability to articulate security risk to both technical and non-technical stakeholders.

• Relevant certifications such as OSCP, GWEB, CEH, or equivalent are advantageous.

• Experience in a regulated financial services or fintech environment is a plus.

• Fluency in English; Hungarian language skills are an advantage.

• Ability to live the Pepperstone values.

• Committed to ongoing learning and development

Why you will enjoy working with us

• Competitive salary structure including company bonus scheme

• Flexible and hybrid working

• Remote working option - work from anywhere for up to 4 weeks per year

• 10 days of Company paid sick leave annually  

• 21 days of paid vacation within the first year of employment, increasing to 25 days after one year 

• 3 paid volunteering days per year & Workplace Giving Program

• Comprehensive medical insurance with coverage for your healthcare needs

• Pension fund

• Employee referral bonuses for referring top talent to the company 

• Ongoing personal development & learning opportunities

• Periodic recognition and reward programs for outstanding performance and achievements

• Frequent events and celebrations

• Genuinely collaborative and friendly culture

• Employee Assistance Program & Wellbeing Initiatives

• Convenient and cozy office located near the Limassol Municipal Garden