AWS Telephony / IVR Application Developer

Momento USA is a global technology consulting, talent acquisition and creative development firm that addresses clients most pressing needs and challenges.

AWS Telephony / IVR Application Developer

Hybrid candidates around St. Louis, MO, or Dallas, TX, who are comfortable working from the office 2–3 days a week

Long term contract.

Job Summary

We are seeking an experienced AWS Telephony / IVR Application Developer to design, develop, deploy, and support Amazon Connect–based IVR solutions. This role focuses on building and maintaining IVR contact flows and serverless services, implementing secure configuration and secrets management, and ensuring high quality through resilient design and validation of failure scenarios (e.g., timeouts, API failures, dependency degradation).

Key Responsibilities

Amazon Connect & IVR Development

• Design, build, deploy, and version Amazon Connect Contact Flows.
• Configure and maintain Amazon Connect resources including:
  • Queues
  • Routing profiles
  • Hours of operation
• Develop and integrate Lex bots where applicable.
• Validate IVR behavior during failure scenarios such as:
  • API errors and downstream failures
  • Timeouts and retries
  • Partial dependency outages
• Implement safe fallback paths and customer-friendly error handling.

AWS Serverless Application Development

• Develop and maintain AWS Lambda functions (Node.js or Python) supporting IVR workflows.
• Build and maintain API endpoints consumed by IVR flows.
• Implement robust:
  • Error handling
  • Retry strategies
  • Structured logging for troubleshooting
• Design and utilize DynamoDB access patterns supporting IVR use cases (e.g., routing state, transfer points, lookup/stateful interactions).

Secure, Configurable Development

• Build software that:
  • Reads configuration externally (not hard-coded)
  • Uses managed secrets (no embedded credentials)
  • Supports release promotion without code changes
• Ensure no hard-coded:
  • Endpoints
  • Credentials
  • Environment identifiers

Deployment & Delivery Practices

• Deploy application artifacts using standardized CI/CD pipelines (no manual console deployments).
• Contribute to and follow a documented deployment runbook for consistent, repeatable releases across application components.
• Participate in defect triage and resolution for issues introduced through delivered changes.
• Collaborate with QA and stakeholders to ensure enhancements meet quality standards before promotion.

Required Skills & Experience

Core Technical Requirements

• Hands-on experience with Amazon Connect, including:
  • Contact Flows
  • Queues, routing profiles, hours of operation
• Strong AWS serverless development experience:
  • AWS Lambda (Node.js or Python)
  • API integration patterns supporting IVR flows
  • DynamoDB
• Experience building telephony/IVR experiences, including failure-safe behavior and degraded-mode handling.
• Experience with secure secrets and configuration management (e.g., AWS Secrets Manager and/or Parameter Store).
• Experience delivering via CI/CD pipelines using standardized deployment patterns.

Note: Momento USA is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.