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Senior Software Engineer

Avy

$142,000 - $188,000
Sep 3, 2025
San Francisco, CA, US
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Avy's mission is to empower humans to work more efficiently and effectively with each other and with technology in knowledge work positions. The job is to build great products that perform well and delight our users and customers.

Requirements

  • Proven experience in software engineering (6+ years) with at least 3 years in non-AI software development—you were a software engineer before AI was a buzzword
  • Strong software architecture skills with ability to design and articulate complex, distributed systems
  • Deep engineering fundamentals: Understanding of memory management, concurrency, and performance optimization
  • Production AI/ML experience building and deploying agent systems or LLM-powered applications that solve real problems is desired but not required
  • Multi-language proficiency including JavaScript, Python, and at least one statically typed language (eg Swift, Go, TypeScript, Rust, C++, Java)
  • Track record as a self-starter who has taken projects from 0 to 1
  • Team collaboration experience working in complex codebases with multiple components and contributors

Responsibilities

  • Develop and ship features quickly by moving between multiple components and tech stacks to deliver end-end value.
  • Combine the latest and greatest cutting-edge AI and engineering practices with proven engineering patterns to ensure reliability, scalability, testability, and maintainability
  • Evaluate and adapt third-party tools, libraries and frameworks while maintaining deep understanding—no black box dependencies except where intentionally chosen
  • Optimize system performance across the entire stack, from model inference to distributed agent orchestration
  • Promote effective engineering culture through rigorous testing, code reviews, and continuous integration
  • You might work on anything from prototyping a new multi-agent cloud system to troubleshooting a data race in server code to re-styling views in SwiftUI to optimizing a prompt for a local LLM.

Other

  • Collaborate closely with product, design, and leadership to balance technical constraints with business goals and user needs
  • You lift others up while maintaining exceptionally high standards, balancing confidence with humility.
  • You're compassionate with people while being rigorous with ideas
  • You think big, embrace bold ideas, and ask “what would it take?” instead of defaulting to “why not.”
  • You thrive in uncertainty and fast-changing environments, seeing ambiguity as an opportunity to solve hard problems and push boundaries.