Top Tech Jobs & Startup Jobs in London

Design, develop and optimize trading systems and market-making algorithms; analyze complex datasets to inform stakeholders; build scalable, reliable client-facing products; implement controls and monitoring; serve as L3 SME during market stress and production incidents.

Lead and maintain business continuity plans and testing for assigned business units, provide training and QA, coordinate recovery site arrangements, manage plan testing and governance reporting, support exercises and incident coordination, and drive process improvements across local, regional, and global stakeholders.

Perform equity research for business services: build and update financial models, maintain databases and comparables, write sector and company reports, prepare pre/post-results updates, develop client relationships, attend company conferences, respond to client requests, and generate investment ideas.

Lead developer for low-latency, high-volume equities trading systems. Build, deploy and support algorithmic trading strategies and scalable trading engine infrastructure using core Java. Work across global trading, quant and IT teams through full SDLC to improve execution performance, analytics, messaging, and time-series analysis (KDB/q).

Lead regional HR communications strategy, adapt global messages for local context, partner with regional HR leadership on planning and high-impact moments, ensure governance and channel standards, surface regional insights and risks, and manage stakeholder communications to support enterprise consistency.

Support equity research for Media & Internet: write sector and company reports, prepare pre/post-results updates, build and maintain financial models and valuation comparables, manage client requests, attend company presentations and conferences, generate investment ideas, and maintain sector databases.

The Associate will manage corporate finance transactions, perform financial analysis, and contribute to client presentations while mentoring analysts.

Lead middle-office trade support for public markets, partnering with PMs/Traders and Ops to ensure accurate trade capture through settlement. Oversee issue resolution, incident management, controls, KPIs/KRIs, and process improvements, while driving automation, governance, and training to enhance operational resilience and front-to-back execution.

Join the UK Inflation desk to trade inflation and rates products (bonds, swaps, inflation, options). Act as market maker, execute relative-value trades and hedges, produce market commentary and trade ideas, manage daily P&L, and build quantitative models and trading systems to support pricing, valuation and risk management.

The Sanctions Compliance Officer will advise on economic sanctions compliance, address queries, track regulatory changes, and develop training programs. Responsibilities include oversight of financial crime compliance in EMEA and ensuring adherence to laws and regulations.