Sr. Software Engineer

Senior Frontier Engineer (P3) | Remote, United States | Pax8

Design the future of intelligent cloud commerce at Pax8 as a Senior Engineer, leading mission-critical systems that shape how our platform evolves across the United States and beyond.

Why This Role Matters

This is not a traditional senior engineering position.

As a Senior Frontier Engineer, you'll operate at the intersection of architecture, platform evolution, AI-enabled engineering, and business impact. You'll shape foundational systems that influence multiple products, teams, and strategic initiatives across Pax8. You'll have the autonomy to solve complex technical challenges, define engineering standards, and help guide how AI and intelligent automation are responsibly integrated into our technology ecosystem.

At Pax8, we're embracing the AI era. New team members join an environment where innovation, experimentation, and continuous learning are embedded into everyday work, creating opportunities to grow alongside rapidly evolving technologies.

Life at Pax8

Pax8 is the leading cloud commerce marketplace, supporting more than 39,000 partners and connecting over 130 technology vendors with hundreds of thousands of businesses worldwide. Our culture combines ambition, innovation, and collaboration, creating an environment where talented people can make a meaningful impact while growing their careers.

Learn more about our culture, mission, and community at:

• https://www.pax8.com
• https://www.pax8.com/en-us/about-us/

What You'll Be Doing

• Lead the architecture and evolution of business-critical platform services that power experiences across multiple teams and products
• Design resilient, scalable systems with a deep understanding of long-term platform strategy, interoperability, and organizational impact
• Anticipate operational risks and proactively build safeguards that prevent issues before they reach production environments
• Use data and outcomes to continuously assess whether engineering investments are creating meaningful value and adjust direction accordingly
• Guide complex technical transitions, platform modernizations, and migration programs while minimizing disruption for dependent systems
• Produce high-quality architectural guidance, technical standards, and reference designs that help elevate engineering practices across the company
• Establish operational, reliability, security, and AI governance standards for systems with broad organizational influence
• Mentor and influence engineers across teams, helping raise technical judgment, architectural thinking, and engineering excellence
• Drive responsible adoption of AI-enabled engineering approaches, ensuring quality, safety, reliability, and business value remain at the forefront

The Impact You'll Have

The decisions you make will influence far more than a single application or team. You'll help shape the technical foundation that supports Pax8's marketplace, engineering organization, and future growth. Your work will improve platform reliability, accelerate innovation, strengthen engineering standards, and create lasting value for our partners, vendors, and customers around the world.

What We're Looking For

We're seeking an engineer with substantial experience designing and evolving large-scale distributed systems whose impact extends across organizational boundaries.

You will bring:

• Advanced expertise in software architecture and systems design
• Proven ability to evaluate complex technical trade-offs involving scalability, reliability, cost, latency, and maintainability
• Demonstrated success designing platforms and services that support multiple teams and business functions
• Extensive experience identifying and mitigating systemic risks before they become operational issues
• Strong technical communication skills with a history of creating influential architectural documentation and engineering standards
• Proven ability to drive technical alignment and influence decisions across multiple stakeholder groups
• Deep understanding of AI capabilities, limitations, governance, and responsible implementation practices
• Advanced proficiency using AI-powered tools to accelerate software development while maintaining quality and security standards
• Experience reviewing, validating, and governing AI-assisted engineering solutions
• Strong understanding of platform reliability, observability, security, and operational excellence

Additional strengths include:

• Experience leading large-scale modernization initiatives and technical migrations
• Knowledge of agentic workflows, orchestration patterns, and AI-native software development approaches
• Demonstrated success improving engineering effectiveness through automation and intelligent systems
• Bachelor's degree in Computer Science, Software Engineering, or a related discipline, or equivalent practical experience

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.

Inclusive Hiring

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 United States.

Benefits

Pax8's United States benefits package includes health and disability coverage, retirement plans with employer matching, flexible leave, employee assistance programs, professional development opportunities, wellbeing resources, and additional regional benefits designed to support you both personally and professionally.

Growth & Development

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/

US Base Salary Range: $200k

Application Deadline: 11/30/26

#LI-KC #LI-Remote

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:

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:

• 401(k) with Company Match
• Medical, Dental & Vision Coverage
• Employee Assistance Program (EAP)
• Employer-Paid Life, AD&D, Short-Term Disability & Long-Term Disability Insurance
• Flexible Open PTO
• Paid Sick Leave
• Paid Parental Leave
• RTD EcoPass (eligible Colorado-based employees)

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

Job Applicant Privacy Notice