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Member of Technical Staff, Envoy Response

Envoy· Research & Development
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San Francisco, CA$205k - $225k + equityFull-timePosted 4d ago

About the role

Senior Fullstack Engineer on the Response team focused on threat intelligence and emergency notifications platforms, combining backend systems, AI-enhanced workflows, and customer-facing frontends to protect people and communicate critical information.

Responsibilities

  • Build and scale real-time threat intelligence systems that ingest, process, classify, and enrich signals from numerous data sources to surface actionable threats to organizations.
  • Solve challenging distributed systems problems, including high-throughput event processing, data deduplication, and reliable asynchronous workflows.
  • Apply AI to real-world engineering problems, building intelligent workflows that help identify relevant threats, reduce noise, and deliver actionable insights.
  • Build and evolve emergency notification systems that deliver critical communications reliably and at scale across channels such as SMS, email, mobile push, and Slack.
  • Design, build, and operate scalable backend services, APIs, and data models using technologies such as Kotlin, Kafka, Postgres, AWS, and OpenSearch.
  • Build intuitive, performant customer-facing experiences using React and TypeScript, taking ownership of features across the full stack.
  • Drive technical design and architecture decisions, balancing scalability, reliability, performance, and engineering simplicity.
  • Own features and systems end-to-end, from technical design and implementation to production operations, monitoring, and continuous improvement.
  • Partner closely with Product, Design, and other Engineering teams to translate complex customer problems into simple, effective solutions.
  • Raise the engineering bar through thoughtful code reviews, technical mentorship, and improvements to engineering practices.

Qualifications

  • A BS or MS in Computer Science or a related technical field
  • 7+ years of experience building and operating production software, with strong backend engineering expertise and experience working across the full stack.
  • Strong programming fundamentals and experience building backend services using languages such as Kotlin, or Java.
  • Experience designing scalable distributed systems, microservices, and APIs, with a solid understanding of system architecture and engineering tradeoffs.
  • Experience with relational databases such as Postgres, including data modeling, query optimization, and performance considerations.
  • Experience with asynchronous processing, event-driven architectures, or messaging systems such as Kafka.
  • Working proficiency with React, JavaScript/TypeScript, HTML, and CSS, and the ability to independently build and ship frontend features.
  • A strong product mindset and the ability to balance technical excellence with delivering meaningful customer value.
  • Experience driving technical projects independently, navigating ambiguity, and collaborating across Engineering, Product, and Design.

Skills

Required:Real-time threat intelligence systemsDistributed systemsAI-powered workflowsEmergency notification systemsBackend services and APIsReact frontendTechnical leadership

Benefits

  • Competitive compensation, benefits, and opportunities for professional growth.
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Envoy

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