Senior Support Engineer (EU)

About the role

Sanity.io is building an AI‑powered Content Operating System and seeks an empathic senior support engineer to solve complex technical challenges and help enterprise customers succeed at scale.

Key responsibilities

• Independently own and resolve complex technical issues for enterprise customers.
• Lead investigations into ambiguous or high‑severity incidents, maintaining clear communication.
• Produce high‑quality minimal reproductions, reusable code snippets, and structured issue reports.
• Provide informal mentorship and technical guidance to other Support Engineers.
• Collaborate closely with Product and Engineering to surface patterns and influence product improvements.
• Author and improve documentation, guides, and self‑serve resources.
• Contribute to infrastructure, tooling, and workflow improvements within Support.
• Participate in community support rotation and model high standards of clarity and empathy.
• Own issues end‑to‑end, including a paid on‑call rotation for high‑severity production incidents.

Required profile

• Based remotely in the UK or Ireland.
• 4+ years of hands‑on experience in developer support or engineering roles.
• Strong experience debugging complex JavaScript/TypeScript and modern web applications (e.g., Next.js).
• Demonstrated success in independently owning complex issues from diagnosis to resolution.
• Ability to elevate teammates through thoughtful collaboration and clear communication.
• Comfortable operating under pressure while maintaining clarity and empathy.
• Strong debugging instincts across frontend, APIs, and infrastructure layers.
• Bias toward improving systems, documentation, and processes rather than just resolving individual tickets.
• Curious, proactive, and energized by solving ambiguous problems.

Required skills

• JavaScript
• TypeScript
• Next.js

What we offer

• A highly‑skilled, inspiring, and supportive team.
• Positive, flexible, trust‑based work environment encouraging long‑term growth.
• Global, multicultural group of colleagues and customers.
• Comprehensive health plans and perks.
• Healthy work‑life balance accommodating individual and family needs.
• Competitive salary and stock options program.