Senior Search Engineer

Senior Search Engineer

Join to apply for the Senior Search Engineer role at Groupon.

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.

Grow as a developer by building things that help local businesses around the world thrive.

Are you a passionate, energetic and technology enthusiast eager to work at a rapid pace with the flexibility to work across our suite of technologies? Are you a problem solver; someone who enjoys debugging code, resolving issues, and creating solutions for common problems?

Our team is responsible for maintaining and developing Groupon’s recommendations engine, ensuring personalized and relevant experiences for users. We optimize algorithms, enhance system performance, and support integration with external recommendation engines for specialized use cases, continuously improving recommendation quality through data‑driven insights.

We are looking for a senior software engineer to join our team to support and evolve our Search and Ranking solutions, with expertise in building algorithms using search engines like Elasticsearch, Open Search, Solr. This role requires a deep understanding of system design, scalability and performance optimization.

• Design, develop, and optimize algorithms for high‑performance search and data retrieval.
• Architect and implement scalable, fault‑tolerant, and maintainable system designs.
• Collaborate with cross‑functional teams to gather requirements and deliver robust solutions.
• Conduct performance tuning, query optimization, and troubleshooting of search engine clusters.
• Stay up‑to‑date with the latest trends and advancements in search engines and related technologies.
• Mentor junior engineers and provide technical leadership within the team.

• 8+ years of professional software engineering experience.
• Proven expertise in building and deploying algorithms using some search engines.
• Strong understanding of system design principles, distributed systems, and cloud infrastructure.
• Proficiency in Python is a plus (but other languages work too).
• Experience with REST APIs, data modeling, and indexing strategies.
• Familiarity with Dev Ops practices and CI/CD pipelines is a plus.
• Excellent problem‑solving skills and the ability to work both independently and collaboratively.

• Customer‑focused:
  We believe that doing what’s right for the customer is ultimately what will drive our business forward.
• Obsessed with Quality:
  Your Production code Just Works & scales linearly.
• Team players. You believe that more can be achieved together. You listen to feedback and also provide supportive feedback to help others grow/improve.
• Fast learners:
  We are willing to disrupt our existing business to trial new products and solutions. You love learning how to use new technologies and then rapidly apply them to new problems.
• Pragmatic:
  We do things quickly to learn what our customers desire. You know when it’s appropriate to take shortcuts that don’t sacrifice quality or maintainability.
• Owners:
  Engineers at Groupon know how to positively impact the business.

We’re committed to building smarter, faster, and more innovative ways of working—and AI plays a key role in how we get…