16 days ago
Responsibilities
- Own the async Python ordering pipeline for phone-number search, provisioning, billing, retries, rollbacks, SLA tracking, and backorder fulfillment.
- Build and maintain integrations with wholesale carriers, international carriers, and regulated-market vendors.
- Expand the production LLM order-review layer with evaluations, guardrails, scoring thresholds, regression suites, audit logs, and human escalation.
- Automate country-specific identity, documentation, expiry, and re-verification workflows across 45+ countries.
- Develop the Postgres-based data and analytics layer, operational dashboards, and alerts for stock risk, vendor SLA breaches, and pipeline health.
Requirements
- 5+ years of backend engineering experience with strong production async Python.
- Experience owning systems that integrate with many external services and handle asynchronous jobs, retries, rollbacks, and eventual consistency.
- Ability to build trustworthy LLM workflows using validation, scoring thresholds, evaluations, auditability, and human escalation.
- Advanced PostgreSQL skills including query-plan analysis, live migrations, query tuning, and understanding of SKIP LOCKED.
- Strong written communication skills in a distributed EMEA and Americas team.
- Telecom or CPaaS experience, including DID inventory, ordering, porting, carrier provisioning, or regulatory/KYC processes, is a bonus.
- Experience with Onfido, Sumsub, Jumio, OCR pipelines, MCP servers, tool-calling frameworks, open-source agent runtimes, warehouse analytics, or TypeScript internal dashboards is a bonus.
Tech Stack
Apache KafkaConsulDockerFastAPIGitHub ActionsJenkinsKubernetesMetabaseNext.jsPostgreSQLpytestPythonRabbitMQSQLTypeScript
Categories
About Telnyx
Telnyx builds a communications platform and AI infrastructure for developers and enterprises, offering SIP trunking, voice and messaging APIs, WhatsApp Business, eSIM/IoT connectivity, and low-latency inference on a private global IP network. The privately held company, founded in 2009 and headquartered in Austin, operates worldwide and holds a Saudi VVSP license with regional anchorsites for data locality. Revenue comes from usage-based APIs and enterprise connectivity services.