Top Tech Jobs & Startup Jobs in London

Build and maintain cloud-native platform tooling and infrastructure to improve developer experience, reliability, observability, and operability of customer-facing banking services. Design, develop, test, and support full-stack production code; own lifecycle including production support and incident management. Implement CI/CD and IaC (Terraform) on AWS, collaborate across teams, apply secure and responsible engineering practices, and contribute to engineering communities.

Lead finance-focused projects from requirements through implementation, partnering with Finance, Technology, and Operations. Elicit and translate requirements, define operating models, support testing/UAT and cutover, manage risks and documentation, coordinate migrations, and coach junior BAs to improve controls, accuracy, and efficiency.

Conduct market microstructure research and develop quantitative models for equity algorithmic execution. Analyze large trading datasets, backtest methodologies, run A/B experiments, build analytics and data pipelines, validate production models, and collaborate with technology and client teams to industrialize research and produce client-facing materials.

Lead EMEA Markets & Securities recruiting: build and coach a team, set workforce planning and hiring strategy, manage senior lateral searches, drive diversity and data-driven metrics, partner with HR/Compensation/Controls, optimize ATS/CRM processes, and represent the firm externally while ensuring compliance and risk controls.

Lead implementation of data-lineage and BCBS 239 compliance across risk, finance and technology. Own data governance, quality, metadata and reporting KPIs; manage cross-functional delivery, regulatory readiness, and stakeholder communications.

Lead cybersecurity architecture efforts by evaluating and implementing security principles, conducting threat modeling and risk assessments, developing reference architectures, guiding secure SDLC adoption, and advising on cloud, AI/ML, mobile, networking, and IAM security. Influence design decisions, manage priorities and deliverables, and partner with technology teams to ensure regulatory and business security requirements are met.

Support Primary CLO structuring, origination and syndicate activities across deal execution: portfolio analysis, capital-structure tranching/rating, modelling, documentation, negotiation, marketing, investor roadshows, P&L tracking, and liaison with legal, finance, middle office and technology teams.

Join an agile front-office Commodities tech team to design, develop, and maintain trading applications. Work with traders, quants, and middle office to gather requirements, deliver scalable, resilient production code, troubleshoot outages, and collaborate globally while improving code quality and contributing to engineering communities.

Lead product ownership for Instruction Capture Client Data Exchange, managing a major institutional portfolio conversion. Translate client requirements into scope and business requirements across SWIFT, XML, FIX and CSV formats. Drive product vision, roadmap, AI-enabled validation and straight-through processing improvements, coordinate cross-functional delivery, manage testing and releases, and align stakeholders and data governance with the Chief Data & Analytics Office.

Lead design and delivery of production-grade AI/ML solutions for Market Operations. Manage a team of data scientists and partner with engineering and business stakeholders to build, deploy, monitor, and govern models, establish best practices, and drive measurable operational impact.