Principal Software Engineer, Infra & Platform
Gradial · Seattle, WA ·
- Seniority
- Principal
- Category
- Software engineering
- Experience
- 7+ years
- Visa sponsorship
- No
- Company size
- 11-50
- Salary
- USD 180,000 – 235,000 / year
Gradial · Seattle, WA ·
magnitudesoftware · USA - Remote
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polymarket · New York
hpe · Spring, Texas, United States of America
Principal Software Engineer builds and scales the platform infrastructure for an AI-native marketing operations system, focusing on Kubernetes, CI/CD, observability, and reliability.
Gradial is building the AI-native system of work for enterprise marketing. Our agents turn ideas into live campaigns by executing across the tools, teams, and workflows enterprises already use—from content authoring and campaign assembly to quality assurance and brand compliance. We give marketers and creatives more time to shape brands, understand customers, and create work that moves people.
We’re tackling some of the hardest problems in applied AI: building agent harnesses, sandboxed execution environments, and orchestration that enable agents to plan, act, and verify their work reliably at enterprise scale. We’re growing rapidly, winning Fortune 500 and enterprise customers including AWS, T-Mobile, and Prudential. Our $65 million Series C led by Insight Partners is accelerating that momentum.
Join us to help define how people and AI agents work together. We move with urgency, reason from first principles, and take ownership from idea to customer impact. You’ll shape the product, own consequential problems, and build systems that some of the world’s leading brands depend on every day.
As a Principal Software Engineer (Infra/Platform) at Gradial, you will shape the foundation our platform runs on as we scale. You will work closely with the CTO and engineering team to make our systems faster, more resilient, and easier to operate in a high-growth environment. This is a hands-on individual contributor leadership role for someone who wants real ownership, high leverage, and the opportunity to define how platform reliability looks at an AI-native company.
The salary range for this position is $190,000 – $240,000 annually. Final compensation will be determined based on factors such as experience, skills, and qualifications.
As an AI-first company, we prioritize AI literacy as a core competency in our hiring decisions. We’re excited by candidates who thoughtfully apply AI tools in their work, but during interviews we’re focused on you. This is your opportunity to show how you think, communicate, and solve problems. Over-reliance on AI-generated responses during the interview process (especially when it obscures your own voice) will result in disqualification. We want to understand your unique perspective and how you approach challenges, both with and without AI.
Gradial is dedicated to creating an environment where diverse perspectives are valued and all team members can grow. We offer competitive compensation, equity, flexible work hours, comprehensive benefits, and a collaborative culture focused on learning and impact.
RTX · US-AZ-REMOTE