Software Engineer, Labs

Senior Full-Stack Engineer, Labs — United States | Pax8

Build pioneering human‑AI interfaces at Pax8 Labs, where Senior Full‑Stack Engineers shape the future of autonomous technology through elegant, scalable user experiences.

At Pax8 Labs, you won’t just build software — you’ll help define how humans and autonomous systems work together. This role offers the opportunity to design intuitive, trustworthy interfaces for complex AI‑driven workflows in a true greenfield environment. You’ll grow alongside emerging technologies, experiment boldly, and influence entirely new product lines as Pax8 continues its AI‑native journey.

• Design and build intuitive, responsive interfaces that simplify complex AI and agent‑based workflows
• Create real‑time visualisations that clearly communicate system status and decision‑making
• Enable seamless human‑AI collaboration through thoughtful interaction design
• Develop reusable UI components that scale across future Labs initiatives
• Extend into backend services and cloud APIs when needed to deliver end‑to‑end solutions
• Prototype with emerging frameworks and AI‑assisted development tools
• Contribute to a culture of experimentation, knowledge sharing, and continuous improvement

• Substantial experience building modern frontend applications with frameworks such as React, Solid
  
  JS, Vue, or similar
• Proven ability with Type Script, modern CSS, and responsive design
• Demonstrated skill creating high‑performance, interactive interfaces using SVG, Canvas, or WebGL
• Strong understanding of real‑time data handling, dynamic state management, and streaming updates
• Working knowledge of backend fundamentals, including Go or Python services and cloud‑based APIs
• Comfort operating in ambiguity, rapidly prototyping, and iterating toward scalable solutions
• A collaborative mindset and passion for design craft, accessibility, and performance

• Competitive compensation
• Comprehensive medical, dental, and vision coverage
• Generous paid time off and paid holidays
• 401(k) with company match
• Paid parental leave
• Wellness programs and employee assistance resources
• Learning and development support
• Qualified candidates can expect a compensation range of $160,000 to $180,000 or more depending on experience.

Pax8 is an equal opportunities employer. Pax8 welcomes individuals who are in possession of the appropriate requirements to work within the United States.

Expected Closing Date: 6/30/2026