Backend Engineer (Infra)

Recruiting from Scratch is a premier talent firm that places product, software, and hardware talent with innovative companies. The client is seeking a Backend Engineer (Infra) to own and scale backend and infrastructure systems for an AI-native platform, including AWS cloud architecture, multi-tenant deployments, APIs, infrastructure as code, security, and production reliability.

Responsibilities

• Optimize and harden the existing AWS-based product infrastructure to support rapid customer and platform scaling
• Build and maintain multi-tenant deployment architecture across enterprise customers
• Design systems for secure permissioning, data isolation, and reliable customer deployments
• Own the infrastructure-as-code layer across Terraform, Kubernetes, and Docker
• Make architectural decisions around services, deployment patterns, and infrastructure systems that enable easier scaling
• Build reliable backend infrastructure supporting the company's AI-native product
• Develop and maintain production backend services and APIs
• Build new product features and infrastructure capabilities based on signals from design partners
• Translate customer deployment requirements into scalable platform capabilities
• Encode learnings from bespoke customer deployments back into the core product
• Improve deployment reliability, observability, scalability, and operational performance
• Design systems that support multiple enterprise customers while maintaining strong isolation and security
• Establish repeatable deployment and infrastructure practices as the customer base grows
• Work across backend, infrastructure, cloud, and product engineering priorities
• Collaborate closely with founders and technical leadership on architecture and technical strategy
• Make infrastructure and backend decisions with long-term scalability in mind
• Debug and resolve complex production infrastructure and backend issues
• Improve engineering workflows, development practices, and deployment processes
• Build systems that can evolve rapidly as product requirements and customer needs change
• Operate with high autonomy in a fast-moving early-stage environment
• Balance engineering velocity, infrastructure reliability, security, and customer requirements
• Continuously improve the scalability, performance, and resilience of the platform

Preferred

• * Experience with multi-tenant systems or enterprise deployments preferred
• * Experience working at startups or high-growth technology companies preferred
• * Strong TypeScript experience preferred
• * Experience working with AI or LLM-powered applications preferred
• * Experience with LangChain or comparable AI application frameworks preferred
• * Bachelor's degree in Computer Science, Engineering, or related technical field preferred
• Multi-tenant systems
• Enterprise deployments
• Startups experience
• High-growth technology
• TypeScript
• AI applications
• LLM-powered applications
• LangChain
• AI frameworks
• Bachelor's in Computer Science
• Engineering degree

Benefits

• Competitive equity package
• Opportunity to join one of the earliest engineering teams
• Significant ownership over backend and infrastructure architecture
• Opportunity to build and scale enterprise-grade multi-tenant infrastructure
• Opportunity to work on AI-native product infrastructure
• Direct collaboration with founders and technical leadership
• Opportunity to shape infrastructure standards and engineering practices
• Exposure to cloud infrastructure, AI systems, and enterprise deployments
• High-impact early-stage environment with significant technical ownership
• Opportunity to directly influence infrastructure decisions as the platform scales

Company

• Technical recruiting for AI-native startups and VC-backed companies
• New York, New York, USA
• https://www.recruitingfromscratch.com/
• Founded in 2021
• 11-50 employees

Qualifications

• * 3–6+ years of professional experience in backend or infrastructure engineering
• * Strong backend engineering fundamentals
• * Experience building and operating production infrastructure
• * Experience working with cloud-based production systems
• * Experience designing and maintaining scalable deployment architectures
• * Experience owning technical infrastructure projects end-to-end
• * Experience working directly on customer-driven product or infrastructure requirements
• * Experience operating systems in production environments
• * Strong ownership mentality with demonstrated execution ability
• * Comfortable working across backend and infrastructure responsibilities
• * Comfortable making technical decisions in ambiguous environments
• * Strong understanding of production reliability and operational excellence
• * Comfortable working closely with founders and senior technical leadership
• * Ability to operate effectively as an early engineering hire
• * Strong backend engineering experience
• * Strong infrastructure engineering fundamentals
• * Strong Python experience
• * Strong AWS experience
• * Strong Terraform experience
• * Strong Kubernetes experience
• * Strong Docker experience
• * Experience designing and operating cloud infrastructure
• * Experience building production backend services and APIs
• * Experience designing multi-tenant architectures
• * Experience with permissioning and data isolation systems
• * Experience with infrastructure-as-code practices
• * Experience with deployment automation and production operations
• * Experience troubleshooting distributed production systems
• * Experience with observability, reliability, and performance optimization
• * Strong understanding of system architecture and distributed systems
• * Ability to reason about scalability, reliability, security, and performance
• * Ability to work across backend, infrastructure, cloud, and product systems
• * Ability to learn unfamiliar technologies and infrastructure patterns quickly
• * Equivalent practical engineering experience accepted
• * Strong computer science, systems, and software engineering fundamentals
• * Exceptional technical ownership
• * Strong infrastructure and architectural judgment
• * Strong analytical and problem-solving ability
• * Strong systems thinking
• * Strong backend engineering mindset
• * Comfortable working with significant ambiguity
• * Strong communication skills
• * Comfortable working directly with founders
• * Comfortable working directly with customer-facing teams
• * High execution velocity
• * Strong bias toward shipping
• * Strong ability to make pragmatic technical tradeoffs
• * Comfortable making infrastructure decisions independently
• * Strong production ownership
• * Low-ego collaborative mentality
• * Strong builder mentality
• * Comfortable wearing multiple hats on a small team
• * Strong customer orientation
• * Strong business awareness
• * Comfortable translating customer requirements into scalable infrastructure
• * Comfortable establishing infrastructure practices from scratch
• * Comfortable operating in a high-intensity early-stage environment
• * Strong willingness to work five days per week in Dumbo, Brooklyn
• * Experience with multi-tenant systems or enterprise deployments preferred
• * Experience working at startups or high-growth technology companies preferred
• * Strong TypeScript experience preferred
• * Experience working with AI or LLM-powered applications preferred
• * Experience with LangChain or comparable AI application frameworks preferred
• * Bachelor's degree in Computer Science, Engineering, or related technical field preferred

Required skills

• Backend Engineering, Infrastructure Engineering, Python, TypeScript, AWS, Terraform, Kubernetes, Docker, Production Backend Services and APIs, Multi-Tenant Architecture, Infrastructure as Code, Distributed Systems

Preferred skills

• * Strong TypeScript experience preferred

Experience

• 3+ years