[Hiring] Principal Software Engineer @arrivia

Role Description

As a Principal Agentic Software Engineer, you are a hands-on, product-minded, customer-focused full-stack engineer who sets technical direction across multiple products and platforms and personally builds the primitives other teams depend on. You still open the editor yourself, and you are a driving force behind how agentic development works at arrivia.

• Direct AI coding agents through real, multi-step work.
• Decide what becomes shared infrastructure.
• Make build-vs-buy calls that shape our roadmap.
• Operate with broad autonomy and cross-organizational accountability.
• Own multiple domains or a critical platform.
• Your work reaches millions of people.
• Build the travel and rewards platforms behind major banks, membership organizations, and travel brands.
• Set operating rhythms, launch gates, and quality standards to protect trust.
• Balance short-term partner requests against long-term member trust.
• Lead one-way-door decisions in your areas.
• Define how AI coding agents reshape the way we build and operate at scale.
• Work across many technology domains, business teams, and offices in a fast-paced, highly collaborative environment.

Qualifications

• A recent, hands-on track record of building and shipping working software in the last year or two.
• 8 to 12 years of full-stack development and architecture experience building web applications and services.
• A bachelor's degree in Computer Science, Computer Engineering, or equivalent experience.
• Advanced, hands-on use of AI coding agents such as Claude Code, Cursor, or GitHub Copilot.
• Strong proficiency in two or more of TypeScript/JavaScript, Python, and C#/.NET.
• Deep experience with RESTful API design, distributed systems, and microservices at scale.
• Hands-on depth with the Model Context Protocol and prompt engineering for code.
• Production experience with real-time streaming and distributed messaging.
• A record of mentoring senior engineers and raising the bar through frameworks and standards.

Requirements

• Architect Model Context Protocol integrations for secure, governed access to internal APIs.
• Drive build-vs-buy decisions and convergence on strategic standards.
• Institutionalize prioritization mechanisms, AI launch checklists, and SLOs.
• Lead one-way-door decisions and hold contingency plans for failure scenarios.
• Guide teams on what is worth pursuing and what to kill.
• Standardize canonical metrics, AI eval frameworks, and guardrail dashboards.
• Co-define responsible-AI guardrails and review processes.
• Turn legacy systems into scalable, cloud-native, agent-ready services.
• Safeguard members' sensitive data by defining security patterns.
• Mentor staff-level engineers and shape technical-leadership norms.

Benefits

• Unlimited PTO
• Exclusive employee travel rates
• Travel discounts through arrivia programs
• Medical, dental, and vision insurance
• 401(k) with company participation

Company Description

At arrivia, we power travel loyalty and rewards programs for some of the world's leading brands. Our teams help millions of travelers book memorable experiences while delivering innovative technology and travel solutions to our partners. With a global workforce and a culture built on curiosity, ownership, authenticity, and collaboration, we're creating the future of travel.