Senior Backend Engineer – CRM

🕒 September 1

🇺🇸 United States – Remote

💵 $140k - $210k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 2%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Close

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2013

💼 Consulting

📣 Marketing

☁️ SaaS

Consulting • Marketing • SaaS

Close is a customer relationship management (CRM) software platform designed for small businesses, focusing on ease of use, automation, and integration with sales processes. It offers tools for call management, emailing, text messaging, and task scheduling all within a single platform. The platform eliminates the need for multiple tools by incorporating all necessary sales tools seamlessly. Close aims to empower small businesses to grow by being user-friendly, clutter-free, and equipped with automated sales functionalities, enhancing sales efficiency and effectiveness.

📋 Description

• Rework the core CRM data model for leads, contacts, opportunities, and custom objects • Design and implement migrations and rearchitecture projects without taking the product down • Build tools and endpoints exposing CRM data and actions to MCP-compatible agents • Enable agents to traverse, filter, and reason over customer CRM data • Ship AI-native CRM features including agentic enrichment, AI-powered data cleaning, and richer AI search • Keep high-traffic CRM paths fast, including lead finding, deal updates, pipeline scanning, and bulk actions • Work across teams and projects as organizational priorities shift • Use appropriate technologies and contribute to Close’s AI-native engineering workflow

🎯 Requirements

• Seasoned engineering experience • Python experience; familiarity with Go, Rust, or TypeScript is applicable • Experience designing systems others build on • Experience planning migrations and sequencing rearchitectures into independently shippable pieces • Knowledge of data models, schemas, relationships, normalization, query design, and type systems • Experience with search is a serious bonus, especially Elasticsearch, Lucene internals, query planning, relevance, and indexing at scale • Meaningful production experience shipping LLM-backed or agentic features to real users • Experience using AI tools in day-to-day development • Experience debugging incidents involving latency budgets • Experience owning systems with real customer impact or carrying an on-call pager • Builder-oriented experience delivering working software • Ability to work legally in the US; visa requirements must be explained • Ability to work remotely and travel internationally to week-long team offsites

🏖️ 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 PTO days for every year with Close • 4-day work week option at 80% pay • Paid parental leave for primary and secondary caregivers • 1-month paid sabbatical every 5 years • Two medical plans with Close covering 99% of the premium for US residents • Dental and Vision coverage for US residents • HSA and FSA for US residents • Company-paid Long-Term Disability for US residents • 401(k) matching up to 6%, vested immediately, for US residents • Best-in-class developer tools funded by Close • Annual in-person company team gatherings