Senior Product Security Engineer

payabl.; Portugal; Teletrabalho; EUR 90 000 - 110 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Annual learning budget

Company celebrations

Global events and collaboration

Resumo da oferta

payabl. is seeking a Senior Product Security Engineer to build product security across our engineering organization.

You will embed security into the lifecycle from architecture to deployment, introducing gates and AI-driven guardrails to accelerate secure delivery. You will lead threat modelling, provide secure-by-design input for payments and embedded finance products, and define secure patterns for authentication, API design, and service-to-service trust.

Qualificações

• 5+ years of experience in Product Security or Application Security in fintech environments.
• Hands-on security integration into the software development lifecycle.
• Ability to read code and engage in design discussions with senior engineers.
• Experience with threat modelling and secure-by-design reviews.
• Hands-on tooling experience (SAST, SCA, DAST, secrets detection).
• Experience securing cloud-native apps on AWS or other major cloud.
• Strong English written and verbal communication.

Responsabilidades

• Design and introduce security gates into the development lifecycle, embedding secure release practices and guardrails.
• Lead threat modelling for new products and major changes.
• Provide secure-by-design input for new product builds across payments and fintech offerings.
• Define secure-by-default architecture patterns for authentication, authorization, API design, and service-to-service trust.
• Decide where traditional tooling fits vs AI-assisted alternatives for coverage and efficiency.
• Own CI/CD pipeline and software supply-chain security controls across engineering teams.
• Implement and improve container image scanning, dependency management, SBOM, and security checks on IaC and deployment manifests.
• Build AI-first security workflows and AI agent integrations for delivery.
• Drive remediation of findings from penetration tests, scanners, and disclosure reports

Conhecimentos

Security mindset

Code reading

Threat modelling

AI proficiency

Security in SDLC

CI/CD security

Ferramentas

SAST

SCA

DAST

Secrets detection

SBOM

IAM

Descrição da oferta de emprego

The role is about:

We are looking for a Senior Product Security Engineer to build product security across our engineering organization. You will build the practice, not inherit it. Reporting to the Head of Information Security, you will embed security directly into the software development lifecycle - from architecture and design through build, deployment, and remediation. You will introduce security gates into engineering workflows, select and operate the right application security tooling, and use AI and automation to increase security coverage without slowing product delivery.

• Location: Fully remote from Portugal or Poland
• Reporting to: Head of Information Security

What you will do:

• Design and introduce security gates into the development lifecycle, including embeded secure release practices and guardrails into the way software is built and deployed.
• Lead threat modelling for new products and major changes
• Provide secure-by-design input for new product builds across card issuing, embedded finance / banking-as-a-service, and other payment products
• Define secure-by-default architecture patterns for the application layer - authentication, authorization, API design, service-to-service trust - so the secure path is the easiest path for engineering teams
• Decide where traditional tooling is the right fit and where AI-assisted alternatives provide better coverage or efficiency
• Own CI/CD pipeline and software supply-chain security controls across engineering teams
• Implement and improve container image scanning, dependency management, software bill of materials, and security checks on infrastructure-as-code and deployment manifests
• Build the practice AI-first - introduce AI agents and LLM-assisted workflows the default delivery mechanism for application security
• Drive remediation of application-layer findings with engineering teams, including findings from penetration tests, scanners, and disclosure reports

What we need:

• 5+ years of experience in Product Security, Application Security in payments, fintech, banking, e-money, or another fintech product environment
• Strong hands-on experience embedding security into the software development lifecycle
• You read code comfortably and hold your own in design discussions with senior engineers
• Proven experience with threat modelling, secure-by-design reviews, and working with engineers during architecture and delivery stages
• Hands-on experience with application security tooling such as SAST, SCA, secrets detection, and DAST
• Hands-on experience securing cloud-native applications on AWS or other major cloud
• Strong AI proficiency and hands-on experience (agentic workflows and loops, RAG, MCP, etc)
• Solid understanding of Cloud-first environment and modern development practices
• Experience securing CI/CD pipelines and improving software supply-chain security
• Ability to work directly with engineering teams and influence secure delivery in practice, not just through policy
• Strong ownership mindset — able to define, implement, improve, and drive adoption of security practices across multiple teams
• Strong written and verbal English

Nice to have:

• Experience supporting new product launches in cloud-native or API-driven environments
• Detection-as-code or security-as-code mindset
• Penetration-testing or offensive-security background
• Certifications such as CISSP, CSSLP, CCSP, OSCP, or similar

Hiring Process:

• Step 1 - Thinking in Action (40 minutes) Your first conversation will be with our Talent Acquisition team. We'll explore your background, career journey, motivations, and overall fit for the role. As part of this discussion, you'll also complete a short technical screening that will be reviewed by our engineering team. This stage helps us understand both your experience and how you approach technical challenges.
• Step 2 - Hiring Manager interview (60-minutes) you will meet the hiring manager Head of Information Security, to explore your skills, achievements, and alignment with the role.
• Step 3 - Final Interview (45 minutes) The final stage is a group interview with senior members of our Technology squad, which may include the CTO, CPO and Head of Security. Together, we'll discuss team fit, collaboration style, expectations from both sides, and any remaining questions about the role, team, or technology domain. This is also an opportunity for you to learn more about our culture and ways of working.

The perks of being a payabl.er:

• Grow with Us: Annual Learning Budget for professional development (eligible after probation)- because your growth is our growth.
• Celebrate Together: We bring colleagues from all offices together for unforgettable company celebrations.
• Global Collaboration & Events: Opportunities to participate in international company events and initiatives, connecting with colleagues from all regions and contributing to a truly global community

Let's embark on a journey to redefine the landscape of payments together. We're not just offering a role; we're inviting you to be a part of something bigger. Join our team, and let's innovate, disrupt, and lead the future of payments. Together, we can make an impact that resonates. Welcome to the team!

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