Backend Engineer - Distributed Systems

referment • United Kingdom
Remote
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AI Summary

Backend Engineer role focused on building and optimizing distributed systems. Design and build Python APIs, scale backend systems, and measure API performance. Work on high-throughput systems handling large volumes of concurrent requests.

Key Highlights
Work on high-throughput systems
Design and build Python APIs
Scale backend systems
Key Responsibilities
Designing and building Python APIs
Scaling backend systems across AWS infrastructure
Measuring API performance and identifying bottlenecks across services
Technical Skills Required
Python AWS Docker CI/CD Containerized deployments
Benefits & Perks
Fully remote within the EU
Permanent role
Small, product-focused team
Nice to Have
Image processing
Media pipelines
Observability tooling

Job Description


Referment is partnering with a fast-scaling technology company building high-performance systems that process millions of real-world transactions daily. Their platform operates at significant scale across cloud and GPU-backed infrastructure, with a strong focus on reliability, performance, and efficiency.

This is a backend engineering role focused on building and optimising distributed systems, not machine learning.

Why This Role Stands Out

  • Work on genuinely high-throughput systems handling large volumes of concurrent requests
  • Own performance and scalability challenges across APIs and infrastructure
  • Get hands-on with image processing workflows running at scale
  • Join a small, experienced team where engineering quality and impact matter

What you will be doing:

  • Designing and building Python APIs that handle high concurrency and large-scale ingestion
  • Scaling backend systems across AWS infrastructure, ensuring reliability under load
  • Measuring API performance and identifying bottlenecks across services
  • Implementing and improving logging, monitoring, and distributed tracing
  • Working on data pre-processing and post-processing pipelines within distributed workflows
  • Supporting and optimising image processing pipelines, including format handling and metadata workflows
  • Building internal tools and integrations that support core platform operations

What We Are Looking For

  • 3+ years of backend development experience with Python
  • Strong experience designing systems that handle concurrent workloads at scale
  • Hands-on experience with AWS and cloud-based infrastructure
  • Proven ability to measure, analyse, and improve system and API performance
  • Experience with Docker, CI/CD, and containerised deployments
  • Strong debugging skills across distributed systems

Nice to have:

  • Experience with image processing, media pipelines, or similar data-heavy workflows
  • Exposure to high-throughput systems or GPU-backed infrastructure
  • Familiarity with observability tooling such as Sentry

The Details

  • Fully remote within the EU, with a preference for UK-based candidates
  • Permanent role
  • Small, product-focused team with a strong engineering culture

If you enjoy building scalable backend systems, optimising performance under real load, and working with image processing at scale, this is a great opportunity to make a tangible impact.

Apply now!

#Referment


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