Platform Software Engineer Python - Core Engineering
  • England,London,City of London
  • Full Time, Permanent
  • Competitive salary
Job Description:
£150k GBP

Onsite WORKING

Location: Central London, Greater London - United Kingdom Type: Permanent

Platform Software Engineer (Python) - Core Engineering

Location: London

Location: London (Hybrid)

Client: Tier-1 Global Banking Environment

Domain: Platform Engineering / Core Systems

Industry background: Open (finance not required)

The Opportunity

We are hiring a Platform Software Engineer to join a core engineering group building foundational platforms used by quant, trading, and analytics teams inside a major global banking environment.

This is not an application development role.

The team builds the underlying platforms, frameworks, tooling and runtime capabilities that other engineering and quant teams build on top of. You will be working on the technical foundation layer, not business features.

Candidates from any industry (big tech, telecoms, SaaS, gaming, infrastructure, etc.) are welcome - deep platform development experience is the key requirement, not finance knowledge.

What You’ll Be Doing:

You will contribute to the design and development of internal engineering platforms, including: *Building core Python-based platforms, frameworks, and shared services
*Designing developer platforms used by multiple engineering and quant teams
*Developing APIs, SDKs, tooling and service frameworks that enable large-scale system development
*Improving scalability, reliability, and performance of shared platform components
*Working on distributed systems and service architecture foundations
*Enhancing CI/CD, deployment tooling, and engineering productivity platforms
*Contributing to standards, patterns, and reusable infrastructure used across the organisation
*Partnering with quant and engineering teams to ensure platform capabilities support advanced workloads
Required Experience (Must-Have): *Strong professional experience in Python as a primary engineering language
*Background in platform engineering / core systems development
*Proven experience building internal platforms, frameworks, or shared engineering infrastructure
*Experience designing systems that are used by other developers
*Strong understanding of:
*Distributed systems
*Service-oriented / microservice architectures
*APIs and SDK design
*System performance and scalability
*Experience working on large-scale, multi-team engineering environments
To hear more details please apply to this position or contact Ben Mortimore at Anson McCade.

Job Reference: AMC/BMO/QD02
Job number 3548321

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