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[Remote] Senior Backend/API Security Developer

Remote Full-time Now Hiring

Note: The job is a remote job and is open to candidates in USA. UST is a mission-driven technology company that creates transformative, human-centered solutions for clients and partners worldwide. UST is seeking a Senior Backend/API Security Developer to design, develop, and secure enterprise-grade APIs handling highly sensitive data, while establishing security standards and leading secure architecture practices.

Responsibilities

  • Design Secure Architectures: Build scalable RESTful and GraphQL APIs using AWS services like Amazon API Gateway, AWS Lambda, and Amazon VPC while applying the principle of least privilege
  • Enforce Strict Authentication: Implement robust identity and access management using OAuth 2.0, OpenID Connect (OIDC), AWS IAM, and Amazon Cognito
  • Ensure Regulatory Compliance: Maintain data protection standards required by regulations like HIPAA, GDPR, or PCI-DSS through proper data masking, tokenization, and auditing
  • Manage Encryption Standards: Ensure all data in transit uses TLS 1.3 and data at rest is encrypted using AWS Key Management Service (KMS) with customer-managed keys
  • Conduct Security Audits: Perform automated security scans, static code analysis, and vulnerability assessments using tools like Amazon Inspector and AWS Security Hub
  • Implement Rate Limiting and WAF: Protect backend systems from distributed denial-of-service (DDoS) attacks and injection flaws using AWS WAF and API Gateway throttling controls
  • Establish Comprehensive Logging: Configure centralized monitoring and threat detection using Amazon CloudWatch, AWS CloudTrail, and Amazon GuardDuty for complete audit trails
  • Collaborate with DevOps engineers in designing and developing CI/CD pipeline using Codepipeline

Skills

  • UST is searching for a Senior Backend/API Security Developer (B2) with strong expertise in Python, Node.js, or Java and AWS, responsible for designing, developing, and securing enterprise-grade APIs that handle highly sensitive data
  • Experience with cloud-native development, OWASP API Security standards, OAuth2/OIDC, and large-scale microservices architectures is required
  • Skills: AWS, OAuth 2.0, Node.js, PostgreSQL

Benefits

  • Full-time, regular employees accrue a minimum of 10 days of paid vacation per year.
  • Full-time, regular employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).
  • Full-time, regular employees receive 10 paid holidays.
  • Full-time, regular employees are eligible for paid bereavement leave and jury duty.
  • Full-time, regular employees are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.
  • Full-time, regular employees and their dependents residing in the US are eligible for medical, dental, and vision insurance.
  • Company-paid basic life insurance for full-time, regular employees.
  • Company-paid accidental death and disability insurance for full-time, regular employees.
  • Company-paid short- and long-term disability benefits for full-time, regular employees.
  • Full-time, regular employees may purchase additional voluntary short-term disability benefits.
  • Full-time, regular employees may participate in a Health Savings Account (HSA).
  • Full-time, regular employees may participate in a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines.
  • Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).
  • Part-time employees are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.
  • Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).
  • Full-time temporary employees are eligible to participate in the Company’s 401(k) program with employer matching.
  • Full-time temporary employees and their dependents residing in the US are eligible for medical, dental, and vision insurance.
  • Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).
  • All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.

Company Overview

  • UST HealthProof offers risk adjustment, quality programs, and healthcare payer technology services. It is a sub-organization of UST. It was founded in 1999, and is headquartered in Aliso Viejo, California, USA, with a workforce of 501-1000 employees. Its website is https://usthealthproof.com.
  • Company H1B Sponsorship

  • UST HealthProof has a track record of offering H1B sponsorships, with 13 in 2026, 71 in 2025, 43 in 2024, 31 in 2023, 3 in 2022. Please note that this does not guarantee sponsorship for this specific role.