App Sec Engineer

Salary: £75,000 – 75,000 per year

Requirements

• We have strong experience in application security, ideally within a SaaS or Fintech environment.
• We have hands‑on experience with SAST, DAST, and SCA tooling such as Snyk, Checkmarx, Semgrep, Burp Suite, or similar.
• We are comfortable running threat modelling sessions with engineering and product teams.
• We have a solid understanding of the OWASP Top 10 and how to remediate real‑world vulnerabilities.
• We understand API security, including REST and GraphQL, and the common attack vectors associated with them.
• We know how to embed security into secure SDLC and CI/CD pipelines.
• We understand authentication and identity concepts such as OAuth, OIDC, JWT, and SAML.
• We can communicate risk clearly to engineers, product managers, and leadership.
• We are collaborative and enjoy working closely with development teams to educate and enable secure delivery.

Responsibilities

• We take ownership of application security across the engineering function.
• We embed security into the development lifecycle from the start.
• We run threat models with engineering and product teams.
• We review code and help developers ship securely.
• We ensure the right application security tooling is in place.
• We work closely with engineering teams to identify and remediate vulnerabilities.
• We help educate developers and stakeholders on secure development practices.
• We communicate security risk clearly to technical and non-technical audiences.
• We support the secure delivery of our SaaS platform as it continues to scale.

Technologies

• API
• CI/CD
• GraphQL
• Support
• JWT
• OWASP
• OAuth
• REST
• SAML
• Security
• Embedded

About the Role

We are a fintech business in Manchester building our own SaaS platform, which has been live for a decade and is now scaling while handling sensitive financial data. This is a hybrid role based in Manchester, with three days a week in the office and commutable from Stockport, Wigan, Bolton, Rochdale, Bury, Sale, Liverpool, Warrington, and Runcorn.

We offer a salary of up to £75,000 plus benefits. Our engineering teams are collaborative and welcome security involvement, and this role gives us the opportunity to embed application security deeply into the way we build and ship software.

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