Senior Product Security Engineer

🕒 September 18

🌐 Portugal, Poland – Remote

🇵🇹 Portugal – Remote 🇵🇱 Poland – Remote

⏰ Full Time

🟠 Senior

👮‍♂️ Cybersecurity / Security Engineer

👻 Ghost score 12%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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📋 Description

• Build product security across the engineering organization • Build the product security practice and report to the Head of Information Security • Embed security into the software development lifecycle from architecture and design through build, deployment, and remediation • Introduce security gates, secure release practices, and guardrails into engineering workflows • Select and operate application security tooling • Use AI and automation to increase security coverage without slowing product delivery • Lead threat modelling for new products and major changes • Provide secure-by-design input for products involving card issuing, embedded finance, banking-as-a-service, and other payment products • Define secure-by-default application architecture patterns for authentication, authorization, API design, and service-to-service trust • Evaluate traditional tooling versus AI-assisted alternatives • Own CI/CD pipeline and software supply-chain security controls • Implement and improve container image scanning, dependency management, software bills of materials, infrastructure-as-code checks, and deployment-manifest security checks • Introduce AI agents and LLM-assisted workflows as the default application-security delivery mechanism • Drive remediation of application-layer findings with engineering teams, including penetration-test, scanner, and disclosure-report findings

🎯 Requirements

• 5+ years of experience in Product Security or Application Security in payments, fintech, banking, e-money, or another fintech product environment • Strong hands-on experience embedding security into the software development lifecycle • Ability to read code comfortably and contribute to 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 SAST, SCA, secrets detection, and DAST • Hands-on experience securing cloud-native applications on AWS or other major cloud platforms • Strong AI proficiency and hands-on experience with agentic workflows and loops, RAG, MCP, etc. • Solid understanding of cloud-first environments 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 • Strong ownership mindset and ability to define, implement, improve, and drive adoption of security practices across multiple teams • Strong written and verbal English

🏖️ Benefits

• Annual Learning Budget for professional development (eligible after probation) • Company celebrations bringing colleagues from all offices together • Opportunities to participate in international company events and initiatives • Global collaboration with colleagues from all regions

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