Senior Software Engineer (AI Voice Agent)

TL;DR

Senior Software Engineer (AI Voice Agent): Building production-scale real-time AI voice agents for customer communications with an accent on speech pipelines, LLM conversation intelligence, and action integrations. Focus on optimizing latency in live audio streaming, dynamic context management, and reliable agent lifecycle for natural conversations.

Location: Hybrid in San Francisco Office

Salary: $150,000 - $220,000 a year

Company

hirify.global is a unicorn AI-powered customer communications platform used by 22,000+ companies worldwide.

What you will do

• Develop real-time speech pipelines including buffering, streaming, latency optimization, and speech provider integrations.
• Build conversation intelligence with LLM prompt construction, context management, function calling, and dialogue management.
• Implement actions and integrations framework for configurable API calls, branching logic, auth, and runtime execution.
• Work on knowledge ingestion, storage, retrieval, and memory retention across conversations.
• Design agent lifecycle, configuration, testing, and deployment experiences with designers.
• Create evaluation frameworks, post-call analytics, quality metrics, and observability tooling; participate in on-call rotation.

Requirements

• Experience building production backend systems in Python or Typescript (5+ years for senior).
• Async code, performance/reliability design, shipped user-dependent systems.
• Real-time systems knowledge: buffering, streaming, connection management, latency tradeoffs.
• Production LLMs/AI/ML: prompt engineering, context management, function calling, reliability.
• Evaluation tooling experience.
• Event-driven architectures, message queues, caching, async processing; distributed debugging.
• Thoughtful testing, observability, API design, code review; clear communication and design docs.
• Familiarity with AI coding tools in daily processes.

Nice to have

• Experience with voice, audio, or telephony systems.
• Work with STT or TTS providers/models.
• LLM evaluation frameworks and quality metrics.
• AWS (DynamoDB, Lambda, AppSync, SQS).
• GraphQL API design.
• Kubernetes, infrastructure as code (Terraform, Helm).

Culture & Benefits

• Customer-obsessed, data-driven, ownership-focused environment with continuous learning and thoughtful speed.
• Competitive salary, equity, 100% covered medical/dental/vision insurance, 401k matching.
• Unlimited PTO, wellness/commuter/childcare reimbursements, generous parental leave.
• Fast-learning, entrepreneurial culture with 45+ nationalities and multi-cultural mindset.
• Work-life balance emphasis in a collaborative, fast-moving team.