AI-Driven Backend Engineer for Scalable Systems (Hybrid)

Formula.; England; Hybrid; GBP 48,000 - 80,000; Full time

Benefits offered by this job

Hybrid working

Benefits package

Job summary

Formula. is partnering with a forward-thinking tech business to hire a Backend Engineer in its AI engineering function on a market-leading consumer platform. The role focuses on designing, building, deploying, and monitoring AI systems that scale for millions of users.

You'll work cross-functionally with product, data, and platform teams, adopting a "you build it, you run it" mindset to deliver production-grade AI-enabled software and contribute to autonomous workflows.

Qualifications

• Proficiency in Python or relevant backend technologies.
• Experience with Gen AI tools (LangGraph, CrewAI, Hugging Face, OpenAI APIs, etc.) and ML frameworks such as PyTorch/TensorFlow.
• Strong understanding of ML fundamentals (training, evaluation, deployment) and LLM-specific challenges (prompt engineering, latency, cost optimisation).
• Experience with cloud platforms (AWS, GCP, Azure) and infrastructure-as-code (Terraform).
• Familiarity with DevOps practices (CI/CD, Docker, K8s) and observability tools (Prometheus, Grafana, Datadog).
• Experience with distributed systems and scaling, plus multiple datastores (SQL and NoSQL).

Responsibilities

• Design, build and deploy AI systems scalable to millions of users.
• Collaborate across product, data, and platform teams for frequent releases.
• Ensure quality with automated tests and metrics.
• Evaluate solutions considering cost and timelines.
• Work hands-on with Gen AI tools and ML frameworks for performance.
• Contribute to autonomous and multi-agent workflows.

Skills

Python

Gen AI concepts

ML fundamentals

LLM prompt engineering

Distributed systems design

Cloud architecture

Tools

LangGraph

CrewAI

Hugging Face

OpenAI APIs

PyTorch

TensorFlow

Terraform

Docker

Kubernetes

Prometheus

Grafana

Datadog

SQL

NoSQL

Job description

Formula. is partnering with a forward-thinking tech business to hire a Backend Engineer in its AI engineering function on a market-leading consumer platform. The role focuses on designing, building, deploying, and monitoring AI systems that scale for millions of users.

You'll work cross-functionally with product, data, and platform teams, adopting a "you build it, you run it" mindset to deliver production-grade AI-enabled software and contribute to autonomous workflows.