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API Developer

Square Hiring

 

Cincinnati, OH, USA

Posted On: 3 days ago
Experience: 5+ years
Availability: Hybrid
Openings: 1
Category: API Developer
Tenure: Contract - Corp-to-Corp
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Description

You will design, build, and secure REST APIs on AWS, ensuring compliance with HIPAA/PHI standards and implementing robust security controls.

This role is on-site.

Responsibilities

  • Develop and maintain RESTful APIs using Python, integrating OAuth2/JWT and mTLS for secure authentication and communication.
  • Configure and manage AWS API Gateway, AWS WAF, Shield, and ACM/Private CA to enforce security protocols and certificate management.
  • Implement security testing practices, including SAST/DAST tooling (e.g., SonarQube), and utilize Postman/cURL for API validation.
  • Build frontend SDKs with React/JavaScript and manage code repositories via Git and GitHub.
  • Monitor API performance and logs using CloudWatch while adhering to HIPAA/PHI guardrails.

Required Skills

  • 3-5 years of AWS cloud development and deployment experience.
  • Strong proficiency in Python for backend API development.
  • Hands-on experience with React and JavaScript for frontend SDK creation.
  • Deep understanding of security protocols, including OAuth2, JWT, and mTLS.
  • Experience with HIPAA/PHI compliance and PHI data guardrails.
  • Familiarity with OpenAPI/Swagger specifications and API integration patterns.
  • Proficiency with Git, GitHub, and CI/CD workflows.

Preferred Skills

  • AWS Certified Developer – Associate certification.
  • Experience with AWS CloudWatch for monitoring and logging.

Education

Bachelor's degree

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