Staff Software Engineer

Arbor

$130K — $180K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years experience shipping production software, preferably at a seed/Series A startup
  • Full-stack generalist with strong product judgment and feature ownership
  • Excellent communicator with credibility in discussions with enterprise-level stakeholders
  • Production experience in voice/audio, LLM applications, or data/insights pipelines
  • Fluent in Python/FastAPI and TypeScript/React; capable of working across the stack
  • Experience handling flaky third-party APIs under reliability stress
  • Knowledgeable in LLM app development practices and challenges, particularly in production environments
  • Proficient with AWS or GCP, specifically regarding multi-tenant SaaS security issues

Responsibilities

  • Own and deliver features end-to-end with agility and clarity
  • Ship software predictably while effectively communicating changes to stakeholders
  • Collaborate with cross-functional teams to meet product and engineering goals
  • Address and resolve challenges posed by third-party APIs and real-time systems
  • Implement and maintain production-ready AI solutions for enterprise applications
  • Develop and optimize LLM applications and data insights pipelines
  • Ensure compliance with data security standards and best practices

Benefits

  • Opportunity to be a foundational hire in an innovative AI-focused startup
  • Potential for role growth into engineering leadership within 12 months
  • Dynamic work environment focused on cutting-edge technologies
  • Collaborative team culture that encourages continuous learning and development
Full Job Description
Must-haves
  • 5+ years shipping production software, including time as an early engineer at a seed/Series A startup
  • Full-stack generalist who owns features end-to-end with sharp product judgment - knows what to build, what to cut, when to push back
  • Ships predictably and communicates clearly; credible with an enterprise VP of Ops on a customer call and async with a remote CTO
  • Production experience in at least one of voice/audio, LLM apps, or data/insights pipelines (Umi is all three)
  • Fluent in Python/FastAPI + TypeScript/React; moves across frontend, backend, and infra in a single PR
  • Has shipped against flaky third-party APIs under latency/reliability pressure (telephony, real-time audio, payments, etc.)
  • Working knowledge of LLM app development: prompts, structured output, retrieval, evals, and non-deterministic systems that hold up in prod
  • AWS or GCP with multi-tenant SaaS security instincts (data isolation, PII, SOC 2)
  • Excited to be a foundational hire building AI for frontline enterprise


Nice-to-haves
  • Staff/tech-lead IC ready to grow into eng lead within ~12 months
  • Voice agent stack (LiveKit, Pipecat, Vapi, Retell, or custom on Twilio/Deepgram/ElevenLabs) + speech fundamentals (ASR, TTS, diarization, VAD)
  • Production agentic LLM workflows: tool use, multi-step, eval-driven
  • Data/analytics depth: warehouse modeling, DBT, owning an insights pipeline
  • On-call comfort on a small team - has been the person paged


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