Sr. AI Backend Engineer

Compensation: £80k – £90k • 0.02% – 0.05%

What You’ll Be Doing

As our Senior AI Backend Engineer, you’ll build the core backend infrastructure that powers Instill AI’s AI-native product experiences — from large-scale unstructured data processing to real-time AI agent orchestration.

Build

• Design and develop high-performance APIs and backend services for AI workflows, including AI agents and model deployment
• Build robust data pipelines to process large-scale unstructured data (documents, audio, video)
• Integrate LLMs, VLMs, and other ML models into production-ready, reliable services

Engineer

• Apply best practices in architecture and infrastructure, including IaC, microservices, serverless, API-first design, and Twelve-Factor principles
• Ensure system performance, observability, and fault tolerance in distributed environments
• Work with cloud platforms (GCP, AWS, Azure), Kubernetes, Docker, and modern observability tools

Collaborate

• Partner with ML engineers, product managers, and designers to deliver end-to-end features
• Help shape engineering culture, best practices, and long-term architecture

What We’re Looking For

Must-haves

• 7+ years experience in backend or infrastructure engineering
• Strong proficiency in Golang (Go)
• Proven track record building and scaling AI-powered or data-intensive systems (LLMs, RAG pipelines, agent-based architectures)
• Solid understanding of cloud infrastructure and container orchestration (Kubernetes, Docker)
• Experience ensuring scalability, resilience, and security in distributed systems

Nice-to-haves

• Familiarity with ML frameworks and AI agent technologies
• Knowledge of message queues, zero-trust networking, and serverless architecture

Mindset

• Systems thinker with a passion for automation and reliability
• Comfortable in a fast-paced startup environment with frequent releases
• Excellent communicator with strong documentation skills
• Customer- and data-obsessed with a high attention to detail
• Proactive, self-driven, and curious about continuous improvement

What's next

If you're interested, please submit your application here!