Principal Software Engineer - Ai at SMARTSHEET UK LIMITED

Bellevue, Washington, United States -

Full Time

Start Date

Immediate

Expiry Date

28 Jan, 26

Salary

257500.0

Posted On

30 Oct, 25

Experience

10 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Software Development, Distributed Systems, Full Stack Technologies, TypeScript, Go, Java, Python, React, Next.js, Cloud Technologies, API Design, Observability, Reliability, AI Development, Architectural Strategy, Mentoring

Industry

Software Development

Description

For over 20 years, Smartsheet has helped people and teams achieve–well, anything. From seamless work management to smart, scalable solutions, we’ve always worked with flow. We’re building tools that empower teams to automate the manual, uncover insights, and scale smarter. But more than that, we’re creating space– space to think big, take action, and unlock the kind of work that truly matters. Because when challenge meets purpose, and passion turns into progress, that’s magic at work, and it’s what we show up for everyday. Smartsheet is redefining how work gets done — and now, how work gets done for you. We’re embedding agentic experiences directly into our collaborative platform to enable systems that reason, plan, and act alongside millions of users. As a Principal Engineer, you will define and drive the architecture, frameworks, and front-to-back experiences behind Smartsheet’s agentic systems. You’ll shape how reasoning models, orchestration layers, and dynamic UIs come together — and lead the adoption of AI-driven development practices across engineering. You will report to our Engineering Leader located in our Bellevue, WA office, or you may work remotely from anywhere in the US where Smartsheet is a registered employer. You Will: Architect and guide the development of end-to-end agentic experiences — from backend reasoning systems to intuitive frontend surfaces that explain and visualize AI decisions. Define long-term frameworks for safe, scalable, and auditable agentic behavior across services and UIs. Lead design reviews and establish best practices for building, evaluating, and evolving agentic applications. Partner with AI platform, design, and product teams to ensure scalability, usability, and trust in AI-driven interactions. Champion AI-assisted engineering — driving adoption of AI-enhanced code generation, test automation, UI design, and debugging across the org. Mentor engineers at all levels, fostering a culture where intelligent tools amplify creativity, speed, and product quality. You Have: 10+ years software development experience building and scaling distributed systems and building high-quality, interactive frontends at enterprise scale. 10+ years of programming experience with full stack technologies such as TypeScript, Go, Java, or Python, with strong knowledge of React, Next.js, or similar frameworks. 2+ years of experience with cloud technologies (AWS, Azure, etc.) Familiarity with agentic or event-driven orchestration frameworks (LangGraph, Swarm, CrewAI, etc.). Strong understanding of large-scale API design, observability, and reliability. Demonstrated leadership in AI-enabled development — influencing practices across backend and frontend disciplines. Ability to define long-term architectural strategy and influence organization-wide technical direction. A degree in Computer Science, Engineering, or a related field or equivalent practical experience. Legally eligible to work in the U.S. on an ongoing basis Current US Perks & Benefits: HSA, 100% employer-paid premiums, or Buy-up medical/vision and dental coverage options for full-time employees 401k Match to help you save for your future (50% of your contribution up to the first 6% of your eligible pay) Monthly stipend to support your work and productivity Flexible Time Away Program, plus Sick Time Off US employees are automatically covered under Smartsheet-sponsored life insurance, short-term, and long-term disability plans US employees receive 12 paid holidays per year Up to 24 weeks of Parental Leave Personal paid Volunteer Day to support our community Opportunities for professional growth and development including access to Udemy online courses Company Funded Perks, including a counseling membership, local retail discounts, and your own personal Smartsheet account Teleworking options from any registered location in the U.S. (role specific) Smartsheet provides a competitive base salary range for roles that may be hired in different geographic areas we are licensed to operate our business from. Actual compensation is determined by several factors including, but not limited to, level of professional, educational experience, skills, and specific candidate location. In addition, this role will be eligible for a market competitive incentive opportunity. US Base Salary Pay Range $205,000—$257,500 USD Get to Know Us: At Smartsheet, your ideas are heard, your potential is supported, and your contributions have real impact. You’ll have the freedom to explore, push boundaries, and grow beyond your role. We welcome diverse perspectives and nontraditional paths—because we know that impact comes from individuals who care deeply and challenge thoughtfully. When you’re doing work that stretches you, excites you, and connects you to something bigger, that’s magic at work. Let’s build what’s next, together. Equal Opportunity Employer: Smartsheet is an Equal Opportunity (EEO) employer committed to fostering an inclusive environment with the best employees. It is our policy to provide equal employment opportunities to all qualified applicants in accordance with applicable laws in the US, UK, Australia, Germany, Costa Rica, Japan, Bulgaria, and India. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information. If there are preparations we can make to help ensure you have a comfortable and positive interview experience, please let us know. #LI-Remote

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Responsibilities

As a Principal Engineer, you will define and drive the architecture and frameworks behind Smartsheet’s agentic systems. You’ll lead the adoption of AI-driven development practices across engineering.