API Security Engineer
Fiserv
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Market check
How this pay compares to similar roles
This role pays less than 67% of similar roles. Most pay $151,393–$216,000 — the blue band above. At the midpoint, this role pays about $155k versus about $184k for comparable roles.
Based on 240 similar postings.
Employer
McDonald’s Corporation is the world's largest fast-food chain by revenue, operating over 40,000 locations in more than 100 countries.
McDonald’s Corporation currently has 25 open roles on FindRole.
Listed pay typically runs $138,207–$172,758 across 24 roles with salary data.
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At a glance
The Sr External Web Application & API Security Engineer serves as a hands-on technical lead within the Application & API Security team. This role focuses on enterprise API security and web application protection across cloud, on-premises, and partner environments. Key responsibilities include leading API discovery, posture management, and runtime protection while designing and tuning WAF, rate-limiting, bot management, and DDoS controls. The engineer will assess risks related to the OWASP API Security Top 10, including authentication weaknesses and business logic abuse. Required technical skills include experience with REST, GraphQL, SOAP, gRPC, OAuth 2.0, OpenID Connect, JWT, and TLS. Candidates must utilize tools like Terraform, Git, and CI/CD pipelines to automate security workflows. The work involves securing high-volume digital platforms and microservices against credential abuse and data exfiltration.
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What you'll do
What we're looking for
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