Vacancy detailPlatform Software Engineer (Python) – Core Engineering150k GBPOnsite WORKINGLocation: Central London, Greater London – United Kingdom Type: PermanentPlatform Software Engineer (Python) – Core EngineeringLocation: LondonLocation: London (Hybrid)Client: Tier-1 Global Banking EnvironmentDomain: Platform Engineering / Core SystemsIndustry background: Open (finance not required)The OpportunityWe 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 servicesDesigning developer platforms used by multiple engineering and quant teamsDeveloping APIs, SDKs, tooling and service frameworks that enable large-scale system developmentImproving scalability, reliability, and performance of shared platform componentsWorking on distributed systems and service architecture foundationsEnhancing CI/CD, deployment tooling, and engineering productivity platformsContributing to standards, patterns, and reusable infrastructure used across the organisationPartnering with quant and engineering teams to ensure platform capabilities support advanced workloadsRequired Experience (Must-Have):Strong professional experience in Python as a primary engineering languageBackground in platform engineering / core systems developmentProven experience building internal platforms, frameworks, or shared engineering infrastructureExperience designing systems that are used by other developersStrong understanding of:Distributed systemsService-oriented / microservice architecturesAPIs and SDK designSystem performance and scalabilityExperience working on large-scale, multi-team engineering environmentsTo hear more details please apply to this position or contact Ben Mortimore at Anson McCade.Job Reference: AMC/BMO/QD02Reference: AMC/BMO/QD02#bemoApply for this vacancyYour CV will be sent to the selected department. At no time will your CV be sent outside of Anson McCade without your authorisation.*Mandatory field.Your name*Your surname*Your email address*I confirm I currently have the right to take full time employment at the location for which I am submitting my CVPlease state the locations where you currently have the right to take full time employmentAttach a file (Word or PDF only accepted)MessagePrior to submission of this form, the user acknowledges and accepts Anson McCade's Terms and Conditions of Use + Privacy Policy + Data Protection Compliance Statement* I acknowledge and accept TrustpilotOur OfficesVacancy searchSearch all the vacancies on Anson McCade Select a Practice Area Quantitative Research, Trading & Risk Digital + Analytics Information Technology + Cyber Security Business Change and Transformation + Strategy IT / Software Sales Internal Positions at Anson McCade