Senior Application Security Engineer

Senior Application Security Engineer

Central Manchester (3 days in-office)

Up to £95,000 + Generous benefits

We’re partnering with a high-growth SaaS fintech that’s looking to hire a Senior Application Security Engineer to join their expanding team.

This is a genuinely impactful role sitting at the intersection of cloud, application security, and platform engineering, ideal for someone who wants to move beyond advisory and actively shape secure, scalable systems in production.

What you’ll be doing

Embedding security into cloud-native architectures across AWS, Azure and/or GCP

Driving secure-by-design principles across the full SDLC

Designing and securing multi-tenant systems, including robust tenant isolation

Working closely with engineering teams to influence architecture and design decisions

Securing modern AI/ML infrastructure (LLMs, pipelines, vector databases)

Building and enforcing security within Infrastructure as Code and CI/CD pipelines

What they’re looking for

Background in cloud security, application security, or platform engineering within SaaS environments

Strong understanding of application security beyond the basics, comfortable analysing data flows, trust boundaries, and complex attack surfaces

Experience designing systems where security is a core architectural consideration

Hands-on experience with AWS, Azure or GCP

Knowledge of modern authentication and authorization (OAuth2, OIDC, SAML, JWT, RBAC/ABAC)

Experience integrating security tooling into CI/CD (SAST, DAST, SCA, container scanning)

Familiarity with Terraform or Pulumi and policy-as-code approaches

Exposure to AI/ML systems and associated security risks is a strong plus

Why this role stands out

Opportunity to influence architecture, not just review it

Strong engineering-first culture, security is seen as an enabler, not a blocker

Real ownership and autonomy in shaping security practices

Investment in training, certifications, and career progression

Modern tech stack and complex, real-world challenges to solve

Collaborative environment working closely with experienced engineers

If you’re looking for a role where you can build, influence, and make a tangible impact, this is well worth a conversation.

Apply Now!

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Senior Application Security Engineer

Central Manchester (3 days in-office)

AWS/Azure/GCP, Application Security, Terraform, Authentication, SAST, DAST, Container Security etc.