Back-End Engineer

About the Role

Responsibilities

• Maintain, scale, and secure our Python FastAPI backend and microservices
• Serve and optimize large language models (LLMs) via performant, cost-aware inference endpoints
• Design and build robust, scalable APIs to support product and customer use cases
• Set up and manage CI/CD pipelines, observability, and monitoring to ensure system reliability
• Manage cloud infrastructure and optimize spend, balancing performance and cost
• Implement security best practices and support compliance with frameworks like SOC 2 and ISO 27001
• Work closely with product and front-end engineers, translating user and product needs into scalable backend architecture
• Collaborate with technical vendors, AI providers, and cloud platforms on integrations and deployments
• Triage and resolve backend bugs or incidents, especially those affecting customer experience
• Support post-sales technical implementation and onboarding for enterprise customers

Requirements

• 3+ years as a backend engineer working on production systems
• Strong proficiency in Python and experience building with FastAPI or similar frameworks
• Deep experience with RESTful APIs, PostgreSQL, and Docker
• Solid understanding of backend infrastructure, including deployment, CI/CD, observability, and debugging
• Experience working with or integrating LLM inference pipelines
• Familiarity with cloud platforms (e.g. AWS, GCP, or Azure)
• Strong understanding of security, data privacy, and compliance in an enterprise SaaS context
• Clear communicator and cross-functional collaborator
• Comfortable working in a startup environment with shifting priorities and open threads

• Experience building and scaling systems to support LLM-serving infrastructure
• Exposure to infrastructure-as-code (e.g. Terraform, Pulumi) and Kubernetes
• Prior experience with SOC 2, ISO 27001, or similar audits
• 0→1 startup experience and ability to navigate ambiguity with ownership
• DevOps mindset: build, monitor, fix, and improve continuously

Why Join Alinia?

• Cutting-edge tech: Work on one of the most important challenges in AI—alignment, safety, and trust
• High ownership & growth: Be a core part of the early engineering team with massive upside
• Flexible work: Hybrid or remote work, with preference for CET time zone
• Collaborative culture: Small, experienced, mission-driven team
• Impact: Directly shape the technical foundation of an AI governance platform adopted by enterprises