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Web Summit

Lead Engineer – Attendee Experience

Web Summit

. Build and improve the web app attendees use before and during Web Summit events, working closely with Product and Design .

Posted 9/25/2026full-timeLisbon • PortugalSeniorWebsite

Tech Stack

Tools & technologies
JavaScriptPostgresRubyRuby on Rails

About the role

Key responsibilities & impact
  • Build and improve the web app attendees use before and during Web Summit events, working closely with Product and Design
  • Ship small improvements often, working end to end, and use learnings to shape subsequent work
  • Keep the app fast and reliable for tens of thousands of simultaneous users
  • Keep the application safe to change while an event is running
  • Help engineers grow through clear expectations, useful feedback, pairing and opportunities to take on responsibility
  • Work on site at events, observe how people use the product and feed those insights back into the product
  • Lead a small team alongside a product manager and designer
  • Own the technical work
  • Line-manage the engineers
  • Spend approximately 60% of time writing code

Requirements

What you’ll need
  • Strong Ruby on Rails and PostgreSQL experience
  • Experience with server-rendered views and JavaScript where appropriate
  • Experience shipping and improving customer-facing software in small, useful increments
  • Experience growing a product from a small set of building blocks and keeping them small as the product grows
  • Experience making production changes safe through appropriate tests, monitoring, staged rollout and recovery plans
  • Demonstrated skill in developing engineers: setting clear expectations, giving useful feedback, delegating responsibility and addressing performance concerns fairly
  • Ability to explain decisions clearly and enable colleagues to question them
  • Experience building something small that people used in unplanned ways

Benefits

Comp & perks
  • Subsidised healthcare, dental, employee assistance programme (EAP) and more.
  • Employer pension contribution up to 6% for Irish-based employees
  • A dedicated in-house L&D department, with access to workshops, online learning and resources to help you excel in your career development.
  • Company MacBook
  • Generous annual leave
  • Flexible working arrangements
  • Tramway Team community and morale-boosting events
  • Annual company get-togethers
  • Charity days
  • Monthly wellbeing talks
  • Wellness subsidy of €1000 per year