Senior Backend Engineer (Platform & Cloud)
Location: London (Hybrid)
Contract: 6–12 months
Rate: Negotiable (DOE)
We’re working with a global enterprise organisation that is expanding a centralised engineering function supporting multiple product teams across an international portfolio.
They’re looking for a Senior Backend Engineer to join a core platform team responsible for building shared services, libraries, and cloud-based functionality used across a wide range of internal products.
This is a highly collaborative role, working directly with senior engineers and technical leaders across multiple time zones, helping shape the foundations of how teams build, scale, and reuse backend capability.
The Role
You’ll be part of a central engineering group building common functionality for distributed product teams. Early work will focus on:
Abstracting existing codebases into shared Python libraries
Developing data-driven solutions using PySpark and DataFrames
Building and extending Python-based microservices using Azure Functions
Creating scalable, reusable services that solve common challenges across teamsBeyond the initial phase, you’ll act as an extension of the product teams — designing and delivering new services, libraries, and architectural patterns to support platform growth.
Strong communication is essential, as you’ll be working closely with engineers and technical leads across five time zones.
Essential skills
Strong commercial experience with Python
PySpark and data-frame based processing
Solid SQL capability
Experience working with Azure infrastructure
Good understanding of containers, microservices, and functional design patterns
Comfortable working in Agile environments
Experience using Terraform for infrastructure as code
Strong approach to unit testing (ideally with PyTest)Nice to have
FastAPI
React / TypeScript
HTML / CSSWhy this role?
Work on a central platform team with genuine architectural influence
Build solutions that are used across multiple products and regions
Long-term contract with strong extension potential
Hybrid working in London
High-impact role in a complex, enterprise-scale environmentIf you’re a backend engineer who enjoys building platforms, shared services, and scalable cloud solutions — this is an amazing opportunity for you!
Interested? Please apply now with your updated CV and reach out to Tom Johnson at Certain Advantage - Ref: 79927
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