Senior Software Engineer

Circleback AI, Inc

$130K — $180K *
Enterprise Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3-5+ years of experience in shipping production software
  • Strong product judgment with decision-making capabilities
  • Understanding of systems, leverage, and long-term engineering quality
  • Low ego and direct communication style
  • Keen interest in AI-driven products and software engineering

Responsibilities

  • Build web, desktop, and mobile products using React, Next.js, Prisma, SWR, Electron, Swift, and React Native
  • Tackle ambiguous problems and devise solutions across the full tech stack
  • Set and influence the technical direction of projects
  • Develop AI-powered workflows, search functionalities, and performance enhancements
  • Improve engineering standards through code reviews and mentorship
  • Experiment with cutting-edge AI models and assess their viability
  • Collaborate directly with founders, minimizing layers in communication

Benefits

  • Opportunity to work closely with founders
  • Be part of a start-up culture with a flat structure
  • Chance to shape product direction and technical decisions
  • Engagement in innovative projects involving AI
  • Potential for personal and professional growth through mentorship opportunities
Full Job Description
The Role
This is a senior individual contributor role for someone who can take a genuinely ambiguous problem, figure out what the team should build, and carry it through to production. You'll work across the product and stack, make technical decisions that shape how we build beyond a single feature, and help raise the bar for the rest of the engineering team. We're looking for someone who can see how the pieces fit together, make good calls without a lot of structure, and still stay close to the code.

What you'll do
  • You'll build across the product: web with React, Next.js, Prisma, and SWR; desktop with Electron and Swift; and mobile with React Native.
  • Take on ambiguous problems, figure out the right approach, and ship them across the full stack.
  • Set technical direction, not just execute it.
  • Work on AI-powered workflows, search, transcription, automations, and performance.
  • Raise the engineering bar through code review, mentorship, and shared tooling.
  • Experiment with the latest AI models and help decide what's worth building.
  • Work directly with the founders. No layers or handoffs.


You might be a good fit if
  • You have 3-5+ years of experience shipping production software and owning real outcomes.
  • You have strong product judgment and enjoy making decisions, not just implementing them.
  • You think about systems, leverage, and long-term engineering quality.
  • You're low ego, direct, and comfortable operating without much process.
  • You're excited by how AI is changing both products and software engineering.

People who've done well here have often been former founders, early startup engineers, or engineers who've owned major systems end-to-end.

Interview process
  • Intro conversation (30 min)
  • Technical interview (1 hour)
  • Product-focused technical interview (1 hour)
  • Paid two-day work trial in San Francisco

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