Senior Software Developer, Search

Reposted 8 Days Ago
Be an Early Applicant
Toronto, ON, CAN
In-Office
150K-150K Annually
Senior level
Software
The Role
Design and build MaintainX's search and retrieval platform. Optimize distributed systems for performance and reliability. Collaborate with teams to improve search effectiveness and integrate AI tools.
Summary Generated by Built In
 
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.

Skills Required

  • Hands-on experience designing production-grade search systems
  • Experience with Elasticsearch, OpenSearch, Lucene, or Solr
  • Understanding of embeddings and retrieval strategies
  • Comfort taking systems from implementation to production

MaintainX Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about MaintainX and has not been reviewed or approved by MaintainX.

  • Strong & Reliable Incentives Feedback suggests incentive structures with accelerators can significantly boost earnings for high performers, making roles feel rewarding when targets are met.
  • Healthcare Strength Company materials indicate comprehensive medical, dental, and vision coverage as core benefits, and feedback suggests employees value the breadth of this coverage.
  • Leave & Time Off Breadth Job materials describe flexible or 'take what you need' PTO policies, and feedback suggests this flexibility supports work-life balance.

MaintainX Insights

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The Company
HQ: San Francisco, California
300 Employees
Year Founded: 2018

What We Do

MaintainX is the leading maintenance and work execution software, designed specifically for industrial and frontline teams. We help companies streamline maintenance operations, improve asset management, and empower workers—all while delivering insights that can improve your bottom line. As a mobile-first platform, MaintainX delivers a modern, IoT-enabled solution for maintenance, reliability, and operations teams trusted by over 6,500 companies worldwide. If you’re looking for a CMMS solution that’s easy to use and implement, look no further. The MaintainX platform manages over 15 million work orders and 2.5 million assets, and is used by hundreds of thousands of workers globally. We help customers reduce unplanned downtime and increase asset availability, while meeting complex compliance needs and keeping workers safe. Ready to ditch the clipboard? Here's what we can help your team digitize: -Maintenance Work Orders -Preventive Maintenance -Safety Procedures -Safety and Environmental Audits -Multi-site Reporting -IoT & ERP Integrations -Auditing/Inspection Workflows -Training Checklists -Parts Order Management & Vendor Connections We’re proud to serve some of the world’s largest brands, including Duracell, AB InBev, Univar, Cintas, McDonalds, Titan America, and many more. To learn more, please visit www.maintainx.com

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