Description
Senior Software Developer, Search
Location: Montreal, Toronto
Department: Engineering
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.
Our mission is to deliver one platform for maintenance, repair & operations teams to keep the physical world running. We believe the greatest asset in any organization is the people. That’s why we built an intuitive, mobile-first solution to help boost productivity and collaboration across teams and locations.
MaintainX is committed to creating a diverse environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
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