Senior Backend Engineer - CRM (USA Only, 100% Remote)
Close · Remote · USA - Remote ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Senior Backend Engineer
- Fully remote (USA only)
- Python + Flask + FastAPI
- Core data rearchitecture
- AI-native product focus
Join the CRM team at Close to lead the next iteration of the platform's core data model. You will untangle legacy structures and design a modern system that supports flexible business operations while maintaining high performance for sales agents.
The work focuses on building tools for AI agents, shipping agentic enrichment features, and ensuring fast query paths. You will collaborate with a 100% remote team to integrate LLM capabilities directly into the sales workflow.
What you'll do
- Rearchitect the core CRM data model for leads, contacts, and opportunities
- Design endpoints and tools to expose CRM data to AI agents via MCP
- Implement AI-native features such as agentic enrichment and data cleaning
- Optimize hot paths for search, updates, and bulk actions to ensure speed
- Sequence complex migrations into independent, shippable pieces
What you'll need
- Strong architectural experience designing systems and planning migrations
- Proficiency in Python with willingness to use other languages as needed
- Deep understanding of data modeling, schemas, and query design
- Experience debugging latency issues and owning critical production systems
- Practical experience using AI tools to accelerate daily development work
Nice to have
- Experience with Elasticsearch, Lucene internals, or search engine operations
- Background in shipping LLM-backed or agentic features to real users
- Familiarity with Go, Rust, or TypeScript alongside Python
Stack
- Python
- Flask
- FastAPI
- MongoDB
- Elasticsearch
- PostgreSQL
- Redis
- TaskTiger
- MCP
- AWS
- Kubernetes
- Terraform
How you'll work
- Fully remote position
- Must be located in the USA
- Option for 4-day week at 80% pay
- Annual team retreats in person
What you get
- Competitive salary plus goal-based bonus
- Approximately 5 weeks PTO plus winter break
- Paid parental leave for primary and secondary caregivers
- One month paid sabbatical every five years
- Healthcare coverage with majority premium paid
- 401k matching up to 6% with immediate vesting
Hiring process
- Submit application with thoughtful answers to role-specific questions
- Receive status update regardless of fit
- Interview steps outlined upon progression