Founding Software Engineer

Our client, an AI-driven legal tech company, is hiring a Founding Software Engineer to join the team in San Francisco, CA. The successful candidate will own the development and scaling of full-stack applications across the platform, combining product engineering, infrastructure and applied AI to deliver high-quality customer experiences.

• Design, build and maintain production-grade full-stack applications using React and Type Script.

• Develop scalable APIs, data models and backend services that support a rapidly evolving product.

• Design flexible and scalable data architectures using No
  
  SQL databases.

• Build and maintain integrations with third-party APIs, authentication, payments and document platforms.

• Take end-to-end ownership of features, from initial design and development through deployment and continuous improvement.

• Leverage AI coding tools and agent-driven development workflows to accelerate engineering and improve productivity.

• Collaborate closely with product and design to turn customer needs into intuitive, high-quality product experiences.

• Continuously improve the platform's performance, reliability, scalability and developer experience.

• Contribute to technical architecture and engineering decisions as the platform and team scale.

• Solve complex and ambiguous technical problems within a fast-moving, highly iterative startup environment.

• At least 2 years of professional software engineering experience, with a track record of building and shipping production-grade web applications.

• Strong proficiency in Type Script, React and modern full-stack development.

• Hands-on experience designing, building and integrating APIs and backend services.

• Solid understanding of distributed systems, application architecture and scalable software design.

• Experience working with No
  
  SQL databases and flexible data-modelling patterns.

• Comfortable using AI-assisted development tools, coding copilots and agent-based engineering workflows.

• Proven ability to own features end-to-end, from technical design and implementation through to production.

• Ability to work independently, navigate ambiguous requirements and make pragmatic technical decisions.

• Strong product mindset with a focus on shipping high-quality software that delivers meaningful customer value.

• Previous experience within an early-stage startup or other fast-paced engineering environment would be a big plus.

• Salary: $120k - $180k

• Equity.