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Full Stack Software Engineer (AI Tech) - Hybrid

San Francisco, CA

About the Role:

Blockit is building an AI scheduling assistant designed to help people protect their time and strengthen their relationships. Our vision is simple: everyone should have access to the same intelligent, trustworthy assistant that can anticipate their needs and schedule accordingly. Backed by strong funding and operating as a tight-knit 10-person team in San Francisco, we’re growing quickly and looking for a thoughtful, product-minded engineer to join us as we define the future of AI-assisted scheduling.

Key Responsibilities:

As a backend-leaning full stack engineer, you’ll: 

  • lead development on the intelligence layer of our scheduling agent — the system that determines who you should meet, when, and why.
  • You’ll build infrastructure to interpret behavioral signals, relationship data, and calendar activity, and create smart logic that makes the agent feel truly contextual and human.
  • You’ll work closely with design and product to ship intelligent features like warm intros and AI-driven proposals, while owning and scaling the backend systems that power them.
  • This is a high-impact role for someone who thrives on autonomy, cares deeply about product experience, and wants to shape a tool that helps people connect better through time.

IDEAL CANDIDATE PROFILE:

Seniority:

  • 4+ years of experience building and shipping software in production.​

Work Experience:

  • Product engineering experience
  • Experience at a high-​growth “startups” (think retool,​ ramp,​ notion,​ etc.​),​ and now wanting to join an early-​stage company
  • Experience building product / features that uses LLM
  • Experience working with graph data,​ contact graphs,​ or social network modeling

Education:

  • CS Degree from a top-​tier university (MIT,​ Stanford,​ Ivies,​ CMU,​ etc.​)

Hard Skills:

  • Strong backend fundamentals — you know how to design and operate reliable systems
  • Product-​oriented mindset:​ you care about the why,​ not just the how
  • Comfortable working full stack when necessary
  • Exposure to AI/LLM systems or human-​in-​the-​loop workflows

Soft Skills:

  • Excited to work at a seed-​stage startup
  • Excited by the challenge of building a practical AI agent that interacts with real people and calendars
  • Self-​directed and proactive — you take initiative and follow through
  • Interest in productivity tools
 

ROLE DETAILS:

  • Salary: $150k - $220k
  • Equity: 0.1% – 0.5%
  • Visa sponsorship available
  • Hybrid Work Policy: In-person in SF 4 days a week
  • Full-Time Position
  • Location: San Francisco, CA
  • Tech Stack: 
    • Frontend: React
    • Backend: Node (TypeScript)
    • Database: Postgres, AI/LLM: Integrations with AI provides

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