Senior Software Engineer

pax8inc; United States; Remote; USD 200,000 - 225,000; Full time

Job summary

Pax8 Inc. is seeking a Senior Software Architect to shape the architecture and evolution of foundational services used across multiple products and teams. This remote role emphasizes scalability, reliability, and security, with guidance on responsible AI use in development.

You will lead architecture migrations, produce standards, mentor engineers, and establish AI governance practices to ensure quality and safe adoption across the platform.

Qualifications

• Extensive experience designing and evolving large-scale distributed systems.
• Advanced skill in software architecture and systems design, with trade-offs among scale, reliability, cost, latency, and maintainability.
• Experience building platforms or services supporting multiple teams or business functions.
• Ability to identify systemic risks, influence stakeholders, and create clear technical guidance.
• Strong understanding of AI capabilities, governance, and responsible implementation.
• Experience using, reviewing, and validating AI-assisted development tools and solutions while maintaining quality and security.

Responsibilities

• Lead architecture and evolution of critical services with scalability, resilience, interoperability, and long-term impact.
• Identify operational risks early and build safeguards to reduce production issues.
• Use outcomes and operational data to assess engineering investments and adjust priorities.
• Guide complex migrations and modernization efforts while managing disruption to dependent systems.
• Produce architectural documentation, standards, and reference designs; mentor engineers and help teams align on technical decisions.
• Establish reliability, security, operational, and AI governance practices, and guide adoption of AI-enabled engineering with quality controls.

Skills

Distributed systems

Software architecture

Platform scalability

Risk identification

AI governance

AI tooling eval

Job description

Role overview

Shape the architecture and evolution of foundational software services used across multiple products and teams. This senior engineering role combines system design, platform modernization, reliability and security practices, and technical leadership, including guidance on responsible AI use in software development.

Responsibilities

• Lead architecture and evolution of business-critical services with attention to scalability, resilience, interoperability, and long-term impact.
• Identify operational risks early and build safeguards to reduce production issues.
• Use outcomes and operational data to assess engineering investments and adjust priorities.
• Guide complex migrations and modernization efforts while managing disruption to dependent systems.
• Produce architectural documentation, standards, and reference designs; mentor engineers and help teams align on technical decisions.
• Establish reliability, security, operational, and AI governance practices, and guide adoption of AI-enabled engineering with quality controls.

Requirements

• Extensive experience designing and evolving large-scale distributed systems.
• Advanced skill in software architecture and systems design, including trade-offs among scale, reliability, cost, latency, and maintainability.
• Experience building platforms or services that support multiple teams or business functions.
• Ability to identify systemic risks, influence stakeholders, and create clear technical guidance.
• Strong understanding of AI capabilities, limitations, governance, and responsible implementation.
• Experience using, reviewing, and validating AI-assisted development tools and solutions while maintaining quality and security.

Benefits and work setup

The role is remote in the United States or Canada. The listing gives base salary ranges of $200,000–$225,000 in either currency, with short-term incentive compensation and options also noted. Benefits include retirement matching, medical, dental, and vision coverage, flexible open paid time off, paid sick and parental leave, an employee assistance program, and employer-paid life and disability insurance.