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Senior Platform Security Engineer
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Senior Platform Security Engineer

@
Affirm
Develops and implements security measures to protect cloud infrastructure, collaborates with engineering teams to integrate security into platform development, and leads efforts to identify and mitigate security risks in a cloud environment.
AWS
Azure
GCP
Kubernetes
Terraform
Docker
Affirm
Affirm is a financial technology company offering point-of-sale installment loans and buy now, pay later services. It provides consumers flexible payment plans with no hidden fees, late fees, or compound interest.
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Job quick info
Job details
Location
Denver, CO
Contract Type
Full Time
Salary Range
$169,000 - $240,000
Published on
October 17, 2025
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Key Responsibilities:
- Design, implement, and maintain security controls for Affirm's platform infrastructure
- Develop and maintain security automation to detect and respond to threats
- Collaborate with infrastructure and product teams to ensure security is built into systems from the ground up
- Perform security reviews of infrastructure changes and new services
- Identify and remediate security vulnerabilities in infrastructure
- Participate in on-call rotations to respond to security incidents
- Contribute to the development of security standards and best practices

Requirements:
- 5+ years of experience in security engineering or a related field
- Strong knowledge of cloud security (AWS preferred)
- Experience with infrastructure as code (Terraform, CloudFormation)
- Proficiency in at least one programming language (Python, Go, or Ruby preferred)
- Understanding of network security concepts and technologies
- Experience with containerization and orchestration technologies (Docker, Kubernetes)
- Knowledge of security frameworks and compliance requirements (SOC2, PCI, etc.)
- Strong problem-solving skills and attention to detail
- Excellent communication skills and ability to work in a collaborative environment

Key Responsibilities:
- Design, implement, and maintain security controls for Affirm's platform infrastructure
- Develop and maintain security automation to detect and respond to threats
- Collaborate with infrastructure and product teams to ensure security is built into systems from the ground up
- Perform security reviews of infrastructure changes and new services
- Identify and remediate security vulnerabilities in infrastructure
- Participate in on-call rotations to respond to security incidents
- Contribute to the development of security standards and best practices

Requirements:
- 5+ years of experience in security engineering or a related field
- Strong knowledge of cloud security (AWS preferred)
- Experience with infrastructure as code (Terraform, CloudFormation)
- Proficiency in at least one programming language (Python, Go, or Ruby preferred)
- Understanding of network security concepts and technologies
- Experience with containerization and orchestration technologies (Docker, Kubernetes)
- Knowledge of security frameworks and compliance requirements (SOC2, PCI, etc.)
- Strong problem-solving skills and attention to detail
- Excellent communication skills and ability to work in a collaborative environment

Apply now
Affirm
Affirm is a financial technology company offering point-of-sale installment loans and buy now, pay later services. It provides consumers flexible payment plans with no hidden fees, late fees, or compound interest.
Location
Denver, CO
Contract Type
Full Time
Salary Range
$169,000 - $240,000
Published on
October 17, 2025
Share this job
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