Mid-Level API Developer

Job Summary

Design, build, and maintain the integration layer connecting a digital Residents and Tenants Portal with third-party and enterprise systems. Develop secure and reliable APIs and middleware enabling authentication, e-signature, payments, access control, CRM integrations, and notifications.

Responsibilities

• Design, develop, and maintain RESTful APIs and integrations with third-party and enterprise systems
• Integrate with identity and authentication providers to support SSO, 2FA, password reset, and session management
• Develop integrations with e-signature platforms such as DocuSign or similar solutions for contracts and workflows
• Integrate with CRM and leasing systems to synchronize unit listings, inquiries, leads, and offers
• Build middleware and orchestration logic to keep data and application states synchronized across multiple systems
• Implement secure authentication and authorization mechanisms using OAuth2, OIDC, and JWT
• Monitor API performance, logs, and error rates and troubleshoot integration issues during production
• Maintain technical documentation, integration architecture diagrams, and operational runbooks for knowledge transfer

Must haves

• 4+ years of experience in API development, backend development, or integration engineering
• Strong hands-on experience building and consuming REST/JSON APIs in production environments
• Solid understanding of OAuth2, OIDC, JWT, and webhook-based architectures
• Experience integrating with at least one e-signature platform such as DocuSign, Adobe Sign, or similar
• Strong proficiency in at least one backend technology such as Node.js, .NET, or Java
• Strong understanding of API security best practices including rate limiting, input validation, and secrets management

Nice to haves

• Experience working with access-control or physical-security system APIs such as Genetec or Lenel
• Experience integrating with real-estate or leasing CRM platforms such as Yardi, MRI, Salesforce, or Microsoft Dynamics
• Experience with Azure API Management, MuleSoft, or similar API management platforms
• Experience working in enterprise integration or digital transformation projects

We refresh listings regularly, but some roles close early on the source platform.