Senior Software Engineer - London

London💼 Full-time🗓 2026-07-31 → 2026-09-26

Core

Senior Software Engineer owning the full lifecycle of features for a global travel and spend management platform, from design to deployment and impact measurement.

Role type

Senior Software Engineer (Full Stack)

Builds

Intelligent travel booking, expense management, and invoice processing tools for businesses

Domain

Travel technology / SaaS

Deliverable

production ML models | product features

Required skills

System architecture, frontend strategy, backend engineering, CI/CD optimization, observability, security, mentorship, cross-functional coordination, AI-driven development

Preferred skills

Agentic workflows, custom agentic skills, AI-powered code reviews

Technologies

Notion, Jira, GitHub, Slack

Responsibilities

Shape technical roadmaps and quarterly goals, architect scalable systems, define engineering standards, lead cross-squad initiatives, mentor colleagues, coordinate multi-team deliverables

Seniority

Senior, hands-on IC with mentorship and influence

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About Perk

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real work, with real impact.