Senior External Web Application & API Security Engineer
McDonald’s Corporation
Quick summary
Market check
How this pay compares to similar roles
This role pays less than 75% of similar roles. Most pay $147,050–$216,000 — the blue band above. At the midpoint, this role pays about $148k versus about $182k for comparable roles.
Based on 240 similar postings.
Employer
Fiserv is a global leader in financial services technology, providing core banking platforms, payment processing, digital banking, and merchant acquiring solutions to financial institutions and businesses. Industry: Financial Technology & Payments
Fiserv currently has 117 open roles on FindRole.
Listed pay typically runs $123,500–$193,800 across 85 roles with salary data.
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At a glance
The API Security Engineer joins the security team to build a best-in-class API security program for modern financial services. This role involves shaping end-to-end security from design through runtime by partnering with product, platform, and security engineers. Key responsibilities include implementing runtime protections like behavioral detection, bot defense, and mTLS validation across API gateways and service meshes. The engineer will provide secure design guidance based on OWASP API Security Top 10, build CI/CD automation for policy-as-code and secrets scanning, and develop telemetry dashboards to measure risk. Required skills include expertise in OAuth2, OIDC, JWT, and tools like Traceable, Salt Security, and NoName. The role ensures secure engineering by mapping controls to NIST, ISO 27001, and PCI DSS frameworks within a financial services context.
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What you'll do
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