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LumApps Logo LumApps · IT - Software Development

Senior Backend Engineer (Search Team)

France, Lyon · Job Posted July 03, 2026
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Job Description

The Search team aims to deliver the right information to the right person at the right time. To achieve this, we continuously improve the search and information classification experience within the product. We rely on both our internal search engine and third-party engines to provide an immersive experience to our users. The team consists of a Product Manager, 4 Backend Engineers, one Frontend Engineer and a UX Designer. LumApps is now more than just an Employee Experience Platform — it is an AI-powered Employee Hub that supports companies in their digital transformation of communication, collaboration, and engagement with their customers, partners, and above all their employees. Our platform is a proven leader in this dynamic market with a truly unique vision and product. It has been deployed by Fortune 500 clients around the world and is delivering meaningful business benefits. LumApps is identified as a leader in Gartner's Magic Quadrant for Intranet Packaged Solutions as well as in Intranets Forrester Wave, and regularly selected for the French Tech Next40/120 program. In 2025, LumApps strengthened its leadership position by partnering with Beekeeper, a pioneer in frontline employee experience solutions.

Job Responsibility

  • Shaping the future of the product
  • Defining features
  • Designing APIs and the underlying data model
  • Implementing business logic for various functionalities
  • Acting as a proactive partner for API consumers, especially our web and mobile applications
  • Optimization
  • Working closely with other team members (pair programming, design discussions, technical decision-making, Scrum ceremonies)

Requirements

  • 5 years of significant experience in Backend development, including experience with Elasticsearch
  • Initial solid experience with Python and Go
  • Ability to adapt in a fast-evolving environment, with a continuous improvement mindset and a willingness to learn from mistakes
  • Established working habits and openness to sharing and promoting them within the team
  • A favorite pastry—and the ability to explain why
  • Familiarity with modern development practices (testing, code reviews, CI/CD, version control, etc.)
  • Knowledge for search relevance
  • Strong written and spoken English skills

What we offer

  • Hybrid work model – 2 days at the office, 3 days remote
  • RTT days – ~10 extra days off per year
  • Meal vouchers (SWILE) + free snacks & coffee
  • Yoga classes
  • Supportive parental leave and family moments
  • Health insurance (ALAN) – 60% covered + full life & disability cover
  • Afterworks, team celebrations & seasonal parties
  • Equipment of your choice
  • French & English lessons, professional development & access to Leeto CSE
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