Full-Stack Developer — AI Voice Agents
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Summary
Full-stack developer who builds and maintains the platform behind PhoneNinjas' AI voice agents — Supabase/PostgreSQL backend, REST APIs, webhooks, and Pipedream automations — while configuring and tuning voice agents for customers and debugging calls from transcripts and logs. Requires living in Colombia and working US Central hours; includes some Appian low-code consulting work.
- Build and maintain the platform behind our AI voice agents: Supabase/PostgreSQL backend, REST APIs, and webhooks
- Design and ship automations in Pipedream that connect agents to customer scheduling tools, CRMs, and email/SMS
- Configure and tune AI voice agents for new customers: prompts, conversation logic, escalation rules, edge cases
- Convert customer intake notes and real call recordings into correct agent behavior
- Analyze call transcripts and system logs, find failures, and fix them at the root
- Contribute to low-code/BPM work on the Appian platform for enterprise consulting projects
- Maintain reusable configuration templates and technical documentation by industry
- Join English-language onboarding and technical calls with US customers
- 3+ years building full-stack web applications
- Solid SQL and PostgreSQL; hands-on experience with Supabase (auth, RLS, edge functions) or an equivalent BaaS
- Strong with REST APIs, JSON, HTTP, and webhooks — you read API docs and integrate without hand-holding
- JavaScript/TypeScript proficiency (Node.js); Python is a plus
- Comfortable with formal/boolean logic and state management — the same thinking that makes an AI agent behave correctly
- Advanced English (C1+), spoken and written — you will read subtle US customer requirements and review recorded calls daily
- Meticulous, autonomous, and communicative in a remote team
- Located in Colombia and available during US Central business hours
- 3,000 USD salary paid monthly, with a compensation review at 6 months
- Full-time Colombian employment contract through an Employer of Record — statutory benefits included, not a contractor arrangement
- 100% remote, long-term position
- Direct work with the founder; your code and configurations ship to paying customers within days
- Hands-on experience across production voice AI, Supabase, workflow automation, and enterprise low-code