Sr. Software Engineer

Team and role

Day-to-day responsibilities

• Build AI-powered features using product usage data and deliver them end to end.
• Own frontend and backend delivery with a strong lean toward TypeScript, Vue.js, DOM work, and in-browser data capture.
• Validate problems with customers, test prototypes, and shape product scope.
• Define success metrics and iterate using real product usage data.
• Use Cursor and Claude Code as core daily development tools.
• Address latency, hallucination, inconsistent output, usability, and user trust in AI-backed features.
• Collaborate with product, design, and engineering on ambiguous, fast-moving requirements.
• Improve team quality through code review, mentorship, communication, and unblocking.

Must-haves

• Hands-on experience building with LLMs and AI agents through production work or personal projects.
• Full-stack engineering experience with a frontend lean, including strong TypeScript and DOM skills.
• At least 3 years of experience building and scaling web applications.
• Strong product judgment and comfort owning ambiguous problems.
• Experience defining success metrics and iterating from usage data.
• Experience engaging customers or end users to validate problems and assess impact.
• Strong software architecture, design principles, and API development knowledge.
• Clear communication skills and ability to mentor and unblock teammates.

Nice-to-haves

• Experience working as or alongside a product manager on specifications, roadmaps, or discovery.
• Familiarity with Pendo, Amplitude, or Mixpanel.
• Experience designing or running A/B tests or betas.
• Experience with DOM inspection or browser automation.
• Familiarity with Model Context Protocol or tools for LLM agents.
• Familiarity with real-time data pipelines or streaming architectures.
• Accessibility experience.
• Interest in continuous learning and sharing insights.

Location and work model

• The role is based in the Sheffield office.
• Pendo describes its culture as hybrid, with three in-office days per week unless designated remote.

Compensation

• The expected salary range for Sheffield, United Kingdom is £60,000-£78,000.

About Pendo