Python Backend Engineer (AI Start Up)

LMA Recruitment
London, United Kingdom
3 days ago
Job Type
Permanent
Work Pattern
Full-time
Work Location
Hybrid
Seniority
Mid
Education
Degree
Visa Sponsorship
Available
Posted
13 Jul 2026 (3 days ago)

Benefits

Private healthcare Pension Remote allowance 25 days holiday + bank holidays

As a Backend Engineer, you own the inference and orchestration layer that powers every AI interaction in the product. Your work sits between models and users, where latency, correctness, reliability, and cost directly impact real-world experience.

You will build and operate production systems that turn model capability into fast, stable, observable APIs used across mobile and desktop clients.

Focus
  • Build and operate backend systems that serve AI-powered features in production.
  • Design inference pipelines, orchestration layers, and service boundaries around models.
  • Own production concerns: monitoring, logging, alerting, and incident response.
  • Optimize latency and throughput across inference, caching, batching, and streaming.
Ideal Experiences
  • Strong backend engineering fundamentals in production environments.
  • Experience running high-throughput, low-latency services.
  • Familiarity with AI inference patterns (LLMs, embeddings, multimodal).
  • Comfortable debugging distributed systems under load.
  • Bias toward shipping and learning from production behavior.
Outcomes
  • Backend systems run reliably at scale, handling production AI traffic with low latency and high throughput.
  • APIs are stable, clear, and support seamless integration with frontend and ML systems.
  • Production incidents are quickly detected, diagnosed, and resolved, minimizing user impact.
  • Iterative improvements based on real usage continuously increase system performance and reliability.
Tech Stack
  • Python
  • NodeJs
  • Pytorch
  • OpenAI / Anthropic / open-source LLMs
  • SQl & noSQL
  • Kubernetes
  • Docker
How We Work

The best products today in the world were built by small, world class teams. We are a high talent density and hands-on team. We make decisions collectively, move at rapid speed, striking a balance between shipping high quality work and learning. Joining our team requires the ability to bring structure, exercise judgment, and execute independently. Our goal is to put in hands of our users a truly magical product

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