Senior Software Developer, Search

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 taking systems from implementation to deployment and production operation, working across backend services, data pipelines, and integration points as needed.

Nice to Have:

• Experience evaluating and improving search relevance using both qualitative analysis and quantitative metrics.
• Experience shipping AI-powered or LLM-integrated backend systems
• Comfortable using modern AI tools like GPT, Copilot, or Cursor to boost productivity and streamline development.
• Understanding of multi-tenancy and data security , including ACLs, field-level access controls, and secure index partitioning.
• Experience building observability and success metrics into systems to monitor performance, usage, and impact.

What’s in it for you:

• Competitive salary and meaningful equity opportunities.
• Healthcare, dental, and vision coverage.
• 401(k) / RRSP enrollment program.
• Take what you need PTO.
• A Work Culture where:
• You’ll work alongside folks across the globe that reflect the MaintainX values: Smart Humble Optimists.
• We believe in meritocracy, where ideas and effort are publicly celebrated.