AWS Telephony / IVR Application Developer
Momento USA LLC
St. Louis, United States of America
11 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
EnglishJob location
St. Louis, United States of America
Tech stack
API
Amazon Web Services (AWS)
Component-Based Software Engineering
Configuration Management
Amazon DynamoDB
Python
Key Management
Lex (Software)
Routing
Node.js
Software Engineering
Amazon Connect
Data Logging
AWS Lambda
Serverless Computing
Web Api
Job description
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)., * 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., * 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, * 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.
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.