> Markdown version of [/jobs/ext/2476467-platform-software-engineer-python-core-engineering](https://www.wearedevelopers.com/jobs/ext/2476467-platform-software-engineer-python-core-engineering). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Platform Software Engineer Python - Core Engineering - **Company:** Anson McCade - **Location:** London, UK - **Salary:** £150,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Continuous Integration, Distributed Systems, Python (Programming Language), Systems Development Life Cycle, System Software, Api Design, Microservices - **Published:** August 10, 2026 - **Apply:** https://www.reed.co.uk/jobs/platform-software-engineer-python-core-engineering/57211578 ## About the Role * 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 ## Description 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