Squarespace

A future where everyone can be an entrepreneur.

Full Stack Engineer – Founding Engineer

Full-stack EngineerSoftware EngineerFull TimeRemoteTeam 1,001-5,000Since 2003H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

24 days ago

Salary

$90 - $140 / hour

5 yrs expEnglishAWSAzureCloudGoogle Cloud PlatformPythonReactType Script

Job Description

• Design and build full-stack applications from the ground up across Python/TypeScript backends, React frontends, and cloud infrastructure • Architect data pipelines, third-party integrations, and API-first systems that power products and client solutions • Integrate AI/LLM capabilities into applications, working with models via APIs to deliver intelligent features • Collaborate directly with clients to understand requirements, provide technical guidance, and deliver business value • Own features end-to-end from initial design through deployment, monitoring, and iteration • Establish engineering best practices and development workflows as a founding team member

Job Requirements

  • Have 5+ years of professional experience building production platforms
  • Have shipped products or features that users rely on and can navigate tradeoffs between speed and quality
  • Are proficient in Python and TypeScript with experience building maintainable, scalable backends
  • Have foundational skillset and understanding of modern frontend development (TypeScript/React)
  • Are comfortable with cloud infrastructure (AWS, GCP, or Azure) configurations and deployments
  • Have experience leveraging AI coding assistants like Cursor, Claude Code, and other LLM powered tools while maintaining high standards for code quality, architecture, and maintainability
  • Have experience with data integrations and working with complex data flows
  • Can work directly with clients, translating business needs into technical solutions and communicating clearly
  • Embody high agency: you identify problems, propose solutions, and follow through independently
  • Bonus: experience training or fine-tuning ML models, familiarity with multiple cloud platforms, or data engineering background

Benefits

  • Competitive hourly rate ($90-140/hour) with path to full-time conversion (Competitive salary and 1st engineer equity)
  • Full-time benefits include comprehensive health insurance and generous PTO
  • Shape technical direction and engineering culture as the founding engineer
  • Work directly with experienced founders on meaningful problems
  • Fully remote with flexible schedule and trust to manage your own time

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