Close - Senior Backend Engineer - CRM
Responsibilities
• Battle-tested. You've debugged incidents where latency budgets didn't hold, owned a system everyone else relied on, or carried a pager for something with real customer impact. • Battle-tested. • A builder first. You'd rather get a sloppy v1 in front of fifty customers than spend three weeks on abstractions. You ship. • A builder first. • Rearchitect the core CRM data model. Rework how leads, contacts, opportunities, and custom objects relate to each other so each of our customers can represent their business the way it operates. • Rearchitect the core CRM data model. • Make Close usable by agents. The Agents team builds the MCP foundation; we build the tools and endpoints on top of it that expose the CRM's data and actions. The hard part is search: any MCP-compatible harness should be able to traverse, filter, and reason over a customer's CRM without learning our private query language first. • Make Close usable by agents. • Ship AI-native CRM features. This team built agentic enrichment: instead of paying a third-party data provider, an agent goes and researches whatever field you need, in bulk or automatically inside a workflow. There's a lot more of this ahead, including AI-powered data cleaning and richer AI search. • Ship AI-native CRM features. • Keep the hot paths fast. Finding a lead, updating a deal, scanning a pipeline, running a bulk action. Salespeople do these hundreds of times a week and no amount of clever architecture matters if they're slow. • Keep the hot paths fast. • Tech you'll touch: Python, Flask, FastAPI, MongoDB, Elasticsearch, PostgreSQL, Redis, TaskTiger, MCP — plus whichever LLM ships next. • Tech you'll touch:
Benefits
• Compensation: Competitive pay plus an organization-wide goal-based bonus • Paid Time Off: ~5 weeks of PTO to start. Plus a 1-week all-company Winter Holiday Break and paid US holidays. You'll earn 2 extra days for every year you're with Close. • 80% Work Option: Work with your manager to choose between a standard 5-day week or a 4-day week at 80% pay • Parental Leave: Paid leave for primary and secondary caregivers • Sabbatical: A 1-month paid sabbatical every 5 years with the team • Healthcare (US residents): Two medical plans with Close covering the majority of your premium, plus Dental, Vision, HSA, FSA, and company-paid Long-Term Disability • 401k (US residents): We match your contributions up to 6%, vested immediately • Our Values • Build a house you want to live in - Examine long-term thinking and action • No BS - Practice transparency and honesty, especially when it’s hard • Invest in each other - Build successful relationships with your coworkers and customers • Discipline equals freedom - Keep your word to yourself and others • Strive for greatness - Constantly challenge yourself and others • Learn More • Listen to our CEO and Founder, Steli Efti, tell the story of Close’s journey in the $0-30m Blueprint. • Watch our culture video from our 2023 team retreat in Milan. Every year our entire team gathers in person to build connection, foster cross-functional collaboration, and have fun. In 2027, we're headed to Dusseldorf, Germany! • Explore our product. Check out a demo! • Our Hiring Process • We ask a few role-specific questions as part of our application process. These questions are designed to help us learn more about you from the start, so please answer each one thoughtfully. We see this as an opportunity to get to know you beyond your resume. • We use AI tools daily at Close and expect candidates to do the same. In evaluating your application, we aim to get a sense for you - the way you think, how you communicate, the work you've done. Applications that read as fully AI-generated will not be considered. • Regardless of fit, you can expect to hear back from our team with an update on the status of your candidacy. • If you progress to the interview process, you'll receive a full outline of the role-specific steps in your first touchpoint with us. We do our best to make the hiring process clear and human.
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