Senior Application Security Engineer

Senior Security Engineer - FinTech Scale-Up

The Opportunity

Join a high-growth FinTech that's transforming how millions move and manage their money - where security isn't an afterthought, it is the product. They're searching for a hands-on Security Software Engineer who can engineer and automate security into the core of their platform.

In this role, you won't just surface vulnerabilities - you'll eliminate them at the root. You'll build patterns, tooling, and automation to empower developers to ship secure software at speed.

What You'll Lead & Deliver

• Embed security into the SDLC from architecture through production
• Automate guardrails and integrate security tooling into CI/CD
• Drive threat modelling + security design reviews for new features
• Create internal security tools, libraries, and developer workflows
• Mentor engineers and uplift security engineering craft
• Partner with product & platform teams to build secure-by-default systems

What You Bring

• 5+ years in Security Engineering / Product / AppSec roles
• Strong software engineering skills (Python, Go or TypeScript)
• Experience securing web, mobile and API architectures at scale
• Deep knowledge of SAST, DAST, IAST, SCA workflows & automation
• Familiarity with OWASP Top 10, ASVS, MASVS & modern secure design
• Understanding of OAuth2, OIDC, WebAuthn and identity auth patterns

Bonus Points For

• Security engineering experience in FinTech, payments or regulated domains
• Delivered secure coding training or scaled security champion programs
• Knowledge of PCI-DSS, PSD2, SCA or financial compliance frameworks

What's In It For You

• Huge impact: secure products used globally
• Ownership in a modern, engineering-led culture
• Budget for certifications, conferences & continuous learning
• Clear progression to Staff / Principal Security Engineer

If you're passionate about building secure systems at scale, engineering elegant solutions, and championing DevSecOps - you'll thrive here. Ready to shape the future of secure financial technology? Let's talk.