Backend Engineer

Backend Engineer - Luxauto Role overview We are looking for a Backend Engineer to join the Luxauto engineering team and help modernize one of Luxembourg's leading automotive marketplaces. You will build and maintain backend services for vehicle listings, dealer integrations, APIs and data workflows. PHP / Laravel is the main focus, supported by Python for scripting, automation, data processing and AI-related development, with Node.js used across selected services. AI is a core part of how we want to build Luxauto: both as an engineering tool and as a platform capability. You will help us use it pragmatically, safely and with clear human ownership. What you'll be driving PHP / Laravel backend: Build and maintain reliable backend services and REST APIs.Python automation & data processing: Develop scripts, data pipelines, integrations and operational tooling.Node.js services: Contribute to or integrate with Node.js services where appropriate.Automotive data & integrations: Work with listings, dealer feeds, external partners and data-quality workflows.Performance, reliability & cloud: Optimize backend and SQL flows and support secure AWS/Docker environments.Engineering practices: Write clean, tested and maintainable code, review changes and collaborate across teams. AI in engineering AI is part of how we build at Luxauto. You will use AI coding tools and agents in daily development, help define practical standards for their safe use, and contribute to AI-powered features such as data enrichment, search and automation. AI-assisted code is expected to meet the same standards for testing, review, security and maintainability as any other production code. What you bring 3-5 years of backend development experienceStrong professional experience with PHP and LaravelGood knowledge of Python for scripting, automation and data processingExperience with Node.js is a strong advantageStrong experience designing and maintaining RESTful APIsGood knowledge of MySQL/PostgreSQL and SQL/query optimizationExperience with Docker; familiarity with AWS services such as ECS, S3, Lambda and CloudWatchUnderstanding of CI/CD, automated testing and modern backend engineering practicesExposure to microservices and distributed systems conceptsExposure to observability and search technologies such as Elasticsearch, ELK or OpenSearch is a plusHands-on use of AI coding assistants or agents as part of the daily development workflowInterest or experience with LLM APIs, RAG, embeddings, semantic search or AI-powered automation is a strong advantageStrong problem-solving skills, product mindset and fluent English What we offer A key role in the evolution and modernization of LuxautoWork on a high-traffic automotive marketplace used by consumers and professional dealersExposure to PHP / Laravel, Python, Node.js, AWS and AI technologiesOpportunity to build and experiment with AI-powered product features and engineering toolsA collaborative, product-driven engineering cultureCompetitive compensation and benefits; Luxembourg-based position with flexibility according to internal policies Recruitment Process Applications open until October 14thHR interviewTechnical deep diveOnsite interview with leadership About atHomeGroup With more than 25 years on the Luxembourg market, atHome Group is a leading operator of digital platforms that support people through major life decisions — property, mobility, financing and tax — through the atHome, Luxauto, atHome Finance and taxx brands. Driven by innovation, data and people-centred digitalisation, our mission is to make life decisions simpler, more efficient and less stressful.