AI Full-stack Builder

Groupon
Municipality of Madrid, Spain
3 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English

Job location

Municipality of Madrid, Spain

Tech stack

JavaScript
Artificial Intelligence
Software Quality
Cursor (Graphical User Interface Elements)
Software Debugging
Node.js
E2e Testing
Next.js
TypeScript
React
GraphQL
Front End Software Development

Job description

We are hiring an AI Full-stack Builder with a strong focus on front-end delivery for our B2C MobileNext pre-purchase and post-purchase experience. The team owns key customer journeys across homepage, browse pages, deal pages, voucher creation, receipts, and post-purchase pages. This is a hands-on role for someone who can move fast, solve problems independently, and use AI tools as part of everyday engineering work., * Use AI tools to accelerate coding, debugging, and problem solving without losing engineering quality.

  • Build and improve customer-facing experiences
  • Own features end to end, from understanding the problem to shipping and debugging in production.
  • Work closely with product, design, and engineering partners to improve pre-purchase and post-purchase flows.
  • Contribute to code quality, maintainability, and practical technical decisions.
  • Support testing and validation, including end-to-end testing where relevant.
  • Help the team move through ambiguity and delivery pressure with a calm, structured approach.

Requirements

  • Hands-on experience with TypeScript, React, Next.js, Node.js, and GraphQL.
  • Solid front-end engineering skills and comfort working in a modern JavaScript ecosystem.
  • Proven ability to solve problems independently with minimal hand-holding.
  • Practical AI-first mindset: uses AI tools to work faster and smarter.
  • Good debugging skills and sound technical judgment.
  • Clear communication and ownership in a fast-changing environment.
  • Ability to work from one of the supported hubs, with regular office attendance as required.

Nice to Have

  • Experience with GraphQL.
  • Experience with end-to-end testing.
  • Experience working on customer-facing B2C products.
  • Experience improving conversion, or purchase-related journeys.
  • Exposure to full-stack work beyond the front end.
  • Familiarity with tools such as Claude, Cursor, Copilot, or similar AI coding assistants.

Benefits & conditions

  • Candidates who like solving real product problems, not just writing code.
  • People who learn quickly and can work through changing priorities.
  • Engineers who are proactive, curious, and easy to trust with ownership.
  • Candidates who can explain how they think, not only what they have built.

What We Offer

  • Impact at scale: Help shape the experiences millions of customers use before and after purchase, with real influence on how the product evolves.
  • Ownership, not just delivery: You'll own key journeys end to end
  • AI-first environment: Full access to AI coding tools, including a Claude Max plan and other approved assistants, integrated into your everyday workflow.
  • Flexible working hours and hybrid model
  • Attractive bonus and benefits package
  • Growth across stacks: Plenty of opportunity to stretch beyond front-end into full-stack, testing, and automation.
  • Culture of speed and learning: A team that values data-informed decisions, experimentation, and smart automation over pure process.

About the company

Groupon is a marketplace where customers discover new experiences and services everyday and local businesses thrive. To date we have worked with over a million merchant partners worldwide, connecting over 16 million customers with deals across various categories. In a world often dominated by e-commerce giants, we stand out as one of the few platforms uniquely committed to helping local businesses succeed on a performance basis. Groupon is on a radical journey to transform our business with relentless pursuit of results. Even with thousands of employees spread across multiple continents, we still maintain a culture that inspires innovation, rewards risk-taking and celebrates success. The impact here can be immediate due to our scale and the speed of our transformation. We're a "best of both worlds" kind of company. We're big enough to have the resources and scale, but small enough that a single person has a surprising amount of autonomy and can make a meaningful impact.

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