Software Engineer, Labs

External Job Advert

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.

Why This Role Stands Out

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.

Life at Pax8

Pax8 is a fast-growing, people-first technology company where innovation, learning, and collaboration are deeply valued. Our culture blends start-up energy with global scale, giving you the freedom to explore new ideas while making a meaningful impact. Learn more about our culture, values, and how we Elev8 our people through our careers and culture pages on pax8.com.

What You’ll Be Doing

• 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

Your Impact

Your work will directly shape how partners and internal teams interact with autonomous systems, turning advanced technology into accessible, trusted tools. You’ll help establish frontend standards for Pax8 Labs while influencing how future products are conceived and delivered.

What You Bring

• Substantial experience building modern frontend applications with frameworks such as React, SolidJS, Vue, or similar

• Proven ability with TypeScript, 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

Trust and Hiring

At Pax8, we care deeply about building genuine, trust based relationships - starting with how we hire. To protect our business, our teams, and our customers, we use a range of measures throughout the recruitment process to help confirm authenticity and prevent fraud. These safeguards are designed to be fair, respectful, and proportionate, and may evolve as risks change. By applying, you acknowledge that we take steps to verify identity and representation during hiring. If you're applying as your authentic self, you have nothing to worry about - we're excited to meet you. We also use thoughtfully applied AI-enabled tools to support our hiring process. These tools may assist with tasks such as reviewing or prioritising applications, but hiring decisions are made by our people. More information is available in our Recruitment Privacy Notice. If you have questions about how we hire or would prefer not to have your application supported by these tools, you can opt out at any part of our process.

Inclusivity

We encourage you to apply even if you don't meet 100% of the criteria. We're committed to diverse perspectives, inclusive hiring and sharing your transferrable skills. To fulfil this role, you must hold valid right to work in the United States.

Benefits at Pax8 (United States)

• 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

Our Denver Office

Our Denver office offers a collaborative, modern workspace designed to support hybrid working. You’ll enjoy purposeful in-person collaboration alongside flexible remote days, with easy access to shared spaces that encourage creativity, connection, and innovation.

Your Growth

There's extensive room for a talented individual to grow at pace - whether that's advancing quickly in this role or exploring one of the many opportunities across our global organisation. You'll have access to our internal development hub designed to accelerate your skills and stretch your potential. Alongside specialist Learning & Development trainers, you'll also tap into AI powered tools, "born in the cloud" mentors, and cross continent collaboration that broaden your perspective and sharpen your expertise. We'll give you the space, trust, and the right projects to help you thrive - and full visibility of what it takes to reach your next level.

About Pax8

Our mission is to build the managed intelligence marketplace and empower small businesses to do more with smarter technology. We are a fast-growing, dynamic, and high-energy organisation with a start-up feel, allowing you to make a meaningful impact on the business. Culture is also important to us, and at Pax8, it's business, and it IS personal. We are passionate, creative, and unconventional. We work hard, keep it fun, and expect the best! We Elev8 each other. We Advoc8 for our partners. We Innov8 continuously. We Celebr8 life.

Background Checks

As part of our hiring process, we are required to undertake pre-employment checks on all candidates that are successful in their application with Pax8. As part of these checks Pax8 will request ID verification, reference requests and qualification checks (additional checks may be completed for certain countries, such as criminal and financial). All checks are completed by our third-party provider, First Advantage. Once checks have been completed all candidates will receive a copy for their records.

Equal Opportunities

Pax8 are an equal opportunities employer and welcome individuals who are in possession of the appropriate requirements to work within the country you have applied for. Offered individuals will be asked to undertake identity, security compliance and reference checks. Your privacy is important to us. Your data will be held in accordance with local best practices and processed only in accordance with our recruiting processes. Privacy notice: https://www.pax8.com/en-us/terms/job-applicant-privacy-notice/

Compensation:

• Qualified candidates can expect a compensation range of $160,000 to $180K,000 or more depending on experience.

At Pax8, we care deeply about building genuine, trust-based relationships - starting with how we hire.

To protect our business, our teams, and our customers, we use a range of measures throughout the recruitment process to help confirm authenticity and prevent fraud. These safeguards are designed to be fair, respectful, and proportionate, and may evolve as risks change.

By applying, you acknowledge that we take steps to verify identity and representation during hiring. If you’re applying as your authentic self, you have nothing to worry about - we’re excited to meet you.

Perks:

Why Join Pax8?

Because here, success isn't just about numbers-it’s aboutimpact.

It’s about being part of a team thatthinks bigger, empowers each other, and never loses sight of why we do what we do: to make the cloudeasier, more accessible, and more meaningful.

At Pax8 we believe that your Total Rewards should include a benefits package that shows how much we value our greatest assets. All FTE Pax8 people enjoy the following benefits:

• Non-Commissioned Bonus Plans or Variable Commission

• 401(k) plan with employer match

• Medical, Dental & Vision Insurance

• Employee Assistance Program

• Employer Paid Short & Long Term Disability, Life and AD&D Insurance

• Flexible, Open Vacation

• Paid Sick Time Off

• Extended Leave for Life events

• RTD Eco Pass (For local Colorado Employees)

• Career Development Programs

• Stock Option Eligibility

• Employee-led Resource Groups

Please take a moment to review ourProprietary Rights and Non-Competition Agreement - this document outlines important information about your rights and responsibilities if you join our team.

Pax8 is an EEOC Employer.

Equal Opportunities

Pax8 is an equal opportunities employer and welcome individuals who are in possession of the appropriate requirements to work within the country the role is based in. Offered individuals will be asked to undertake identity, security compliance and reference checks. Your privacy is important to us. Your data will be held in accordance with Data Privacy best practices and processed only in accordance with our recruiting processes.

Job Applicant Privacy Notice