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Formula Recruitment

Contract Senior Backend Engineer

Formula Recruitment
United Kingdom · Full-time · Mid-Senior

London, UK

Contract

Up to £700p/d (Outside IR35)


We’re working with an early stage start up focused on AI HR tooling to drastically improve performance and efficiency. They are a small, focused team looking for a Senior Backend Engineer to help them scale up their AI platform and make a real impact.


They are looking for an engineer with strong commercial use of either Java, Kotlin or Scala and proficiency with Python to help modernise their codebase.


Responsibilities:

  • Build and scale backend systems for AI-driven automation products
  • Collaborate with product and frontend teams on planning and decision-making
  • Contribute to architecture, design, and scaling efforts
  • Manage CI/CD pipelines and cloud infrastructure deployments
  • Collaborate directly with our CEO and CTO to architect end-to-end backend solutions


Key Requirements

  • Strong programming skills in the JVM ecosystem
  • Some proficiency in Python
  • 6+ years of backend development experience
  • Proven experience with microservices architecture and RESTful APIs
  • Proficient with both NoSQL and SQL databases
  • Excellent communication skills, both written and verbal


Why Join?

  • Salary: Competitive day rate of up to £700p/d
  • Room for innovation with new tech
  • Exposure to AI-driven products
  • Hybrid working model and a collaborative culture
  • Be a part of of a curious, motivated, nimble team making a real impact


**Unfortunately, due to the high volume of applicants not all submissions will receive feedback.

Key Skills

Ranked by relevance

ai microservices python kotlin nimble scala nosql cloud java cicd sql jvm
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Posted
Mar 25, 2026
Type
Full-time
Level
Mid-Senior
Location
London Area

Industries

Energy Technology Services for Renewable Energy

Categories

Engineering

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