Remote Position
[Remote] Senior Engineer - Backend & Platform
🌍 Remote · United States
💼 Full-time
Note: The job is a remote job and is open to candidates in USA. Recruiting from Scratch is recruiting for an unnamed early-stage company building an AI infrastructure platform for enterprise knowledge systems. The Senior Engineer will architect and build backend and platform infrastructure, distributed services, and LLM agent systems, while partnering with founders on technical strategy and owning engineering initiatives from design through deployment.
Responsibilities
- Architect and build the company's core backend and platform infrastructure
- Design scalable distributed systems supporting enterprise AI workloads
- Build reliable APIs, backend services, and platform capabilities from the ground up
- Design and implement LLM agents capable of reasoning over complex organizational data
- Build production-grade retrieval, memory, and knowledge infrastructure for AI systems
- Own architecture decisions across backend services, data infrastructure, and platform engineering
- Design scalable SQL data models and backend storage systems
- Improve system reliability, scalability, observability, and operational excellence
- Partner closely with founders on technical strategy and long-term platform architecture
- Own high-impact engineering initiatives from design through production deployment
- Help establish engineering standards, architecture principles, and platform best practices
- Operate with high autonomy while solving complex enterprise-scale technical challenges
Skills
- 5+ years of experience in backend or platform engineering
- Experience owning production backend systems operating at meaningful scale
- Experience leading technical architecture for high-impact engineering projects
- Experience working at high technical-bar engineering organizations or early-stage startups
- Experience building distributed systems used by real customers
- Experience operating with high ownership and minimal oversight
- Demonstrated ability to lead ambiguous technical initiatives end-to-end
- Deep Python engineering expertise
- Strong distributed systems and backend architecture experience
- Experience designing production APIs and backend platform services
- Strong SQL and relational database experience
- Experience building scalable platform infrastructure
- Hands-on experience with LLMs, RAG systems, AI agents, or agentic workflows
- Strong system design fundamentals
- Experience with observability, debugging, and production operations
- Familiarity with AI-native infrastructure and enterprise knowledge systems
- Strong engineering judgment and architectural decision-making
- Experience leveraging AI coding tools effectively while maintaining engineering quality
- High ownership mentality
- Excellent communication and technical leadership skills
- Comfortable operating in ambiguity
- Strong systems thinking and problem-solving abilities
- Independent execution with minimal management
- Bias toward action and shipping
- Strong engineering craftsmanship
- Startup mentality
- Ability to mentor and elevate engineering standards
- Founding Engineer or early startup experience strongly preferred
- Experience designing production platform architecture preferred
- Bachelor's degree in Computer Science, Software Engineering, or related technical field preferred
- Strong academic background from a top engineering program preferred
- AI infrastructure startups
- Platform engineering organizations
- Backend infrastructure teams
- Enterprise AI startups
- LLM platform companies
- Distributed systems organizations
- Developer infrastructure companies
- Early-stage venture-backed startups
- Founding engineering teams
- Engineers building AI-native backend platforms
Benefits
- Meaningful Founding-Level Equity
- Significant ownership over backend architecture
- Direct collaboration with founders
- Opportunity to shape foundational AI infrastructure
- Remote-first work environment
- Periodic onsite collaboration with engineering team
- Health Insurance
- Flexible PTO
- Transportation and wellness benefits
- Rapid career growth opportunities
Company Overview