Understood

Senior Full-Stack Engineer

Understood
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3 hours ago

Base Salary

$155k - $175k/yr

Responsibilities

  • Collaborate with product, design, data, and content teams to build and maintain full-stack features.
  • Build accessible frontend experiences with Next.js, React, and TypeScript, including streaming chat and multimodal voice, text-to-speech, and speech-to-text interfaces.
  • Architect and ship backend services and APIs using Python, Django, SQL, PostgreSQL, Redis, Pinecone, and Contentful.
  • Monitor and improve AI performance metrics such as latency and time-to-first-token.
  • Own software delivery from architecture and planning through development, deployment, monitoring, and service health.
  • Use feature flags, A/B tests, staged or progressive rollouts, and experimentation to deliver incremental improvements.
  • Use user feedback, support tickets, session replays, and product analytics to identify and solve user problems.
  • Use Datadog, Sentry, and LangSmith for monitoring, alerting, analytics, and issue resolution.
  • Collaborate with external development partners, troubleshoot integrations, review code, and participate in code reviews.
  • Mentor junior engineers and contribute to development practices, tools, and technical direction.

Requirements

  • 7+ years of professional experience delivering production software across both frontend and backend development.
  • Strong expertise in TypeScript, React, and Next.js, including stateful streaming interfaces.
  • Demonstrated experience with Python and Django or equivalent backend frameworks.
  • Proficiency designing and building RESTful APIs.
  • Experience with relational databases such as PostgreSQL and MySQL and vector databases such as Pinecone.
  • Experience working in cloud environments such as GCP or AWS.
  • Experience monitoring and instrumenting production services with Datadog or comparable observability tooling.
  • Demonstrated ability to lead projects as a technical lead.
  • Ability to deliver complex projects incrementally using feature flags, staged rollouts, and experimentation platforms such as Statsig.
  • Strong user focus, communication skills, collaboration, and ability to explain technical matters to nontechnical stakeholders and junior engineers.
  • Familiarity with distributed tracing and log analytics.
  • Preferred experience with LLM orchestration, agent design, LangChain, LangGraph, LangSmith, LangMem, Model Context Protocol, prompt engineering, evaluation, guardrails, RAG, Pinecone, Weaviate, pgvector, and real-time multimodal AI.
  • Preferred experience with Web Audio, WebRTC, real-time OpenAI SDKs, trust and safety systems, privacy-by-design, consent management, COPPA, SOC 2, ISO 42001, Contentful, asynchronous programming, task queues, Docker, Kubernetes, React Native, mobile app development, and nonprofit or social-impact work.

Benefits

  • Comprehensive benefits package supporting team members and their families.
  • Hybrid work arrangement requiring at least three days per week in the NYC office, focused on Monday, Tuesday, and Thursday.
  • Mac laptop provided in a Mac-based work environment.
  • Understood does not sponsor work visas or legal permanent residence, including OPT extensions.
Understood

About Understood

51-200 employees

Understood is a nonprofit focused on shaping the world for difference. We provide a range of resources to help people who learn and think differently thrive.