Fullstack Engineer

Circleback AI, Inc

$120K — $160K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of software development experience
  • Proficient in React, Next.js, Electron, Swift, and React Native
  • Strong understanding of AI models and techniques
  • Ability to design and architect robust systems
  • Demonstrated product sense with attention to detail
  • Experience mentoring engineers through code reviews
  • Interest in building processes for team productivity

Responsibilities

  • Ship features across web, desktop, and mobile platforms
  • Design and architect new systems to enhance code quality
  • Drive strategic product and technical decisions
  • Develop foundational AI-powered functionalities such as transcription and automations
  • Continuously experiment with and implement cutting-edge AI capabilities
  • Create tools to improve team efficiency over time

Benefits

  • Work on innovative greenfield projects
  • Collaborate with talented professionals in a dynamic environment
  • Opportunity to influence product development and technical direction
  • Learn and experiment with the latest AI technologies
  • Participate in a hands-on paid trial unpaid by location
Full Job Description
What you'll do

The problems here are genuinely new. How do you proactively surface useful context across thousands of conversations? How do you package that into a product experience that feels magic, not noisy? These are greenfield problems-no established playbook, lots of room to define the right approach.

Day to day, you'll:
  • Ship end-to-end across our web (React, Next.js), desktop (Electron, Swift), and mobile apps (React Native)-from database models to API endpoints to UI
  • Design and architect new systems while raising the bar for code quality
  • Drive product and technical decisions, not just implement them
  • Work on hard foundations: AI-powered outcomes, search, transcription, on-device recording, performance, automations
  • Experiment with the latest AI models and techniques-we ship AI features constantly and need engineers who stay curious about what's newly possible
  • Build processes and tools that make the whole team more productive over time
Who you are

You've built and shipped software at a high level before. You have strong product sense-you notice details, you have opinions about how things should work, and you can mentor other engineers through code review and technical guidance.

You're drawn to work that compounds. On the team side: you'd rather spend an extra half-hour building something reusable than copy-paste your way to done. You think about how decisions today affect velocity next month. On the product side: our foundations stack on each other-better transcription means better AI outcomes, which means better search and automations. And when the product gets noticeably better, people tell their friends-that's how we grow.
About the interview
  1. Initial screen (30min)
  2. Technical interview (1h)
  3. Technical interview (1h)
  4. Paid, in-person work trial in SF (2-3d)


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