Senior Backend Engineer - CRM (USA Only, 100% Remote)

The role

The Senior Backend Engineer will rearchitect the core CRM data model and build tools to make the CRM usable by agents. You will ship AI-native features and maintain the performance of hot paths within the CRM.

What you will do

• Rearchitect the core CRM data model
• Rework how leads, contacts, opportunities, and custom objects relate to each other
• Make Close usable by agents
• Build tools and endpoints that expose the CRM's data and actions
• Ship AI-native CRM features
• Keep the hot paths fast

Required qualifications

• Seasoned engineer
• Architecturally minded
• Drawn to data model and retrieval problems
• AI-native in production
• Working with AI in your day-to-day
• Battle-tested
• A builder first

Nice to have

• Experience in search (especially Elasticsearch, Lucene internals, query planning, relevance, indexing at scale, building or operating a search engine)
• Experience with Go, Rust, or TypeScript

Benefits

• Competitive pay plus an organization-wide goal-based bonus
• ~5 weeks of PTO to start
• 1-week all-company Winter Holiday Break
• Paid US holidays
• 2 extra days of PTO for every year with Close
• 80% Work Option (4-day week at 80% pay)
• Paid leave for primary and secondary caregivers
• 1-month paid sabbatical every 5 years
• Best-in-class health coverage (medical, dental, vision, HSA, FSA)
• Company-paid Long-Term Disability
• 401k match up to 6%, vested immediately

Before you apply

• Applications that read as fully AI-generated will not be considered
• You will be asked role-specific questions as part of the application process

About the company

Close is a bootstrapped and profitable company that has been building a CRM since 2013. They have a 130-person, 100% remote team.