API Security Engineer
Fiserv
Quick summary
Market check
How this pay compares to similar roles
This role pays more than 50% of similar roles. Most pay $150,300–$215,178 — the shaded band above. At the midpoint, this role pays about $172k versus about $183k 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 86 open roles on FindRole.
Listed pay typically runs $127,500–$204,000 across 57 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 program protecting critical API ecosystems within the financial services sector. This role involves designing end-to-end protections, implementing runtime controls such as bot defense and mTLS validation, and providing secure design guidance aligned with OWASP standards. The engineer will integrate security into the DevSecOps lifecycle by building automation for CI/CD pipelines, performing threat modeling, and developing data analytics to measure risk. Key technical requirements include expertise in OAuth2, OIDC, JWT, and schema validation, alongside experience with API gateways, WAFs, and service meshes. Candidates should be proficient in policy-as-code, scripting, and tools like Traceable, Salt Security, or NoName. The role ensures compliance with industry frameworks such as NIST, ISO 27001, and PCI DSS while securing high-velocity financial data flows.
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