Top Tech Jobs & Startup Jobs in London

Lead end-to-end architecture, modernization, and hands-on implementation of a mission-critical investment accounting platform. Transform legacy VC++ systems into scalable Java microservices using event-driven, cloud-native patterns. Define data, integration, resiliency, observability, security, and API strategies while guiding engineering teams on performance, low latency, throughput, scalability, and phased migration. The role requires expertise in distributed systems, AWS or Azure, CI/CD, transaction processing, and accounting-related platforms.

Oversee MiFID II regulatory reporting for regulated UK and EU trading venues. Monitor reporting quality, investigate exceptions and reconciliation breaks, analyze data, manage regulatory change, strengthen controls, maintain governance documentation, and escalate operational risks. The role collaborates with Operations, Technology, Compliance, Legal, Product, and Risk teams while supporting audits, regulatory inquiries, reporting enhancements, and broader platform operations.

Lead client implementations for State Street’s Account Services products on the Alpha Front-to-Back platform. Gather and document requirements, design operating models, advise stakeholders, configure account services, facilitate workshops, support testing, and coordinate post-production transition. The role requires strong business analysis, client communication, process documentation, data-model interpretation, and collaboration across business, implementation, and technology teams.

Leads EMEA fund and custody tax product activities during a 12-month maternity cover. Responsibilities include tax advisory, regulatory product development, tax risk oversight, client and third-party engagement, RFP and pitch support, presentation standardization, process optimization, and collaboration across Product, Operations, Technology, and Corporate functions. The role requires extensive EMEA withholding and funds tax expertise, leadership, strong communication, and a tax, legal, or accounting qualification.

Leads end-to-end environment and batch management across complex implementation programs. Responsibilities include environment readiness, testing, batch architecture, conversion planning, operational readiness, governance, reporting, issue resolution, and go-live coordination. The role aligns Product, Technology, Operations, Delivery, Release Management, clients, and vendors while driving standardization, automation, performance improvements, and successful testing and production outcomes.

Senior quant role to develop, deploy and monitor eFX market-making and HFT strategies. Own algorithm portfolio, lead and mentor quants, drive research to production, backtest, and partner with trading, technology and risk in a low-latency environment.

Leads engineering for a multi-year modernization of middle-office applications to AWS, including cloud-native rebuilds, migrations, retirements, and cutovers. Establishes standards for Java, microservices, messaging, containers, and data platforms while implementing AI-augmented software delivery. Oversees AI governance, security, quality, controls, vendor capacity, and team development. The role requires measurable productivity improvements, resilient releases, regulated financial-services experience, and strong stakeholder leadership.

Leads the enterprise Technology Intelligence capability, setting strategy, operating model, roadmap, and team direction. Builds governed data products, semantic models, executive scorecards, KPI frameworks, predictive analytics, and regulatory reporting. Partners across technology, risk, finance, procurement, audit, and architecture to improve insight into technology health, asset lifecycle, cloud economics, risk, controls, and data quality. Establishes traceable, reproducible, AI-enabled analytical products that replace fragmented manual reporting.

Leads systematic equity portfolio management across EMEA and APAC, overseeing regional teams, investment execution, client engagement, product development, risk governance, process improvement, budgets, and talent development. The role partners with global investment, technology, trading, operations, risk, compliance, and legal teams to ensure consistent strategies while adapting to regional markets and regulations.

Leads a global Client Portfolio Management team supporting systematic equity capabilities across client engagement, investment positioning, thought leadership, servicing, and business development. Represents investment strategies to institutional clients, consultants, and prospects; partners with Distribution, Portfolio Management, Product, and Marketing; oversees investment content; supports client retention; and explains portfolio processes, performance, and market developments. The role requires extensive travel and senior leadership across a global investment organization.