10 months ago
Redwood City, CA, USASenior
Responsibilities
- Own voice agent backend services covering session lifecycle, call routing, participant management, conversation state, and real-time orchestration.
- Build and operate streaming pipelines integrating STT/TTS and real-time model endpoints while managing latency, backpressure, and jitter.
- Implement agent tool calling, sandboxed execution, retries, idempotency, rate limits, and tenant budgets and quotas.
- Develop integrations with telephony and RTC providers, calendars, CRMs, support tools, webhooks, and event streams.
- Model and store transcripts, audio metadata, agent actions, outcomes, evaluations, and audit trails for querying and replay.
- Drive reliability engineering through SLIs/SLOs, incident response, tracing, and automated degradation strategies.
- Implement security and privacy controls including secrets management, least privilege, encryption, data retention, PII redaction, and tenant isolation.
Requirements
- 6+ years of backend engineering experience with ownership of production systems.
- Strong distributed-systems fundamentals, including queues, workers, caching, and operational best practices.
- Excellent data modeling and API design skills, including versioning, contracts, and idempotency.
- Experience building or operating low-latency systems such as real-time streaming, WebSockets, RTC, or event-driven architectures.
- Ability to work in a high-velocity environment with a pragmatic, curious, and outcome-oriented approach.
- Preferred experience with WebRTC or RTC providers, telephony, streaming audio, SIP concepts, jitter and packet-loss mitigation, LLM and agent architectures, tool calling, planning and execution loops, memory and state, evaluation harnesses, and real-time observability.
Benefits
- Medical, dental, and vision coverage begins on day one.
- Unlimited PTO with a requirement to take at least one continuous week per year.
- 401(k) with company match.
- Remote-flexible work arrangement with office attendance when needed.
- Parental leave benefits.
- Ongoing industry and professional development training.
Categories
About Vantaca
Vantaca builds a cloud platform for community association and HOA management companies, combining accounting, payments, workflows, resident communications, and banking integrations with AI-driven automation. It sells subscription software and offers optional managed services for complex financial tasks such as accounting and closings. Founded in 2016 and headquartered in Wilmington, North Carolina, the privately held company focuses exclusively on the community management market across the U.S.