Backend Engineer

Harnham - Data and Analytics Recruitment
London, Greater London, United Kingdom
Yesterday
£70,000 – £80,000 pa

Salary

£70,000 – £80,000 pa

Posted
26 Oct 2026 (Yesterday)

BACKEND ENGINEER
UP TO £80,000
LONDON

This is an exciting opportunity to join an early-stage technology business where AI sits at the heart of product development and innovation. You'll play a key role in shaping a product from the ground up, working across the full technology stack and helping to deliver AI-powered capabilities that solve complex real-world problems.

THE COMPANY

Our client is a technology-driven organisation focused on developing software solutions that help businesses manage complex workflows, data, and decision-making processes. They operate in a collaborative, fast-paced environment where engineering, product, and business teams work closely together to deliver high-impact solutions. They offer the opportunity to work on technically challenging projects while contributing to the evolution of a rapidly growing product.

THE ROLE

Responsibilities include but are not limited to:

  • Build, scale, and maintain backend services, including APIs, workflow engines, data services, and system integrations.
  • Develop and support integrations between Java/Spring platform components and Python-based AI services.
  • Design secure, reliable, and high-performance systems.
  • Collaborate with cross-functional engineering teams to deliver robust backend solutions for demanding production environments.
  • Implement and enhance API architectures, observability frameworks, automated testing, and security best practices.
  • Contribute to cloud infrastructure, CI/CD pipelines, and operational excellence across AWS-based environments.

YOUR SKILLS AND EXPERIENCE:

  • Strong commercial experience building backend applications.
  • Strong Python experience is essential, with FastAPI as highly desirable
  • Strong SQL and PostgreSQL expertise.
  • Hands-on AWS experience, including cloud-native services, CI/CD pipelines, and Linux-based environments.
  • Strong knowledge of API design, testing strategies, monitoring, observability, and application security.
  • Regular use of AI-assisted development tools such as Cursor, Claude Code, or similar productivity tools.
  • Experience with Java/Spring, event-driven architectures, workflow engines and LLM integrations is highly desirable.

SALARY AND BENEFITS

  • Up to £80,000 base salary
  • Contributory pension scheme
  • Bonus

HOW TO APPLY

Please register your interest toMia Randhawa by sending your CV through the 'Apply' link

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