Senior Software Developer, Search

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About this role

Senior Software Developer, Search Montreal, Toronto MaintainX is the world leading mobile-first workflow management platform for industrial and frontline workers. We are a modern IoT enabled cloud based tool for maintenance, safety, and operations on equipment and facilities. MaintainX powers operational excellence for 12,000+ businesses including Duracell, Univar Solutions Inc., Titan America, McDonalds, Brenntag, Cintas, Michaels, and Shell. We recently completed a $150 million Series D round, bringing our total funding to $254 million and valuing the company at $2.5 billion. What You'll Do: - Design and build MaintainX's end-to-end search and retrieval platform - from indexing pipelines and ranking systems to AI-facing query layers. - Partner with product and domain experts to model search across core entities like work orders, assets, and procedures, ensuring high-relevance results. - Ship fast, iterate fast, launch early versions, gather feedback, and improve rapidly. - Operate and optimize distributed systems, ensuring reliability, performance, and scalability under real-world load. - Drive architectural decisions, balancing correctness, performance, and long-term maintainability. - Own integrations between search systems and upstream data sources. - Explore semantic search, vector retrieval, and AI-enhanced relevance using modern ML tooling. - On-call duties (currently business hours) About You: - Hands-on experience designing, building, and operating production-grade search systems end-to-end - including indexing, query execution, relevance tuning, and infrastructure - using technologies such as Elasticsearch, OpenSearch, Lucene, Solr, or similar. - Understanding of embeddings, chunking, and retrieval strategies. - Familiarity with search-specific tuning: analyzers, BM25, shard sizing, cluster health, and relevance optimization. - Comfort

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