Top Tech Jobs & Startup Jobs in London

The Senior C++ / Java Developer designs, develops, and maintains software solutions, collaborating with teams to enhance platform stability and scalability, while mentoring junior engineers and ensuring high coding standards.

The Lead C++ / Java Developer is responsible for designing and maintaining low-latency FX market infrastructure, ensuring high availability and resiliency. This role emphasizes technical leadership and collaboration across teams to deliver robust solutions and improve system performance.

Lead a team of engineers to design, develop, and deploy LLM-powered analytics solutions, ensuring best practices and innovation in AI technologies.

Lead the Partner Deal Structuring team and regional deal forums to approve and operationalize non-standard partner and redistribution deals. Integrate AI into deal processes, manage policies, reporting, training, and ensure deals align with risk tolerance and commercial frameworks to maximize revenue and retention.

Hands-on engineer roles to modernise and scale a cloud-native, low-latency global financial platform. Work on software, data, platform and SRE problems prioritizing performance, data quality, reliability, CI/CD automation, and AI-assisted development tooling. Collaborate across global teams to deliver production-grade systems on AWS/Azure.

Senior finance business partner for Risk Intelligence driving financial reporting, planning, forecasting, product-led P&L, investment cases, modelling and profitability analysis. Support budgeting, capital allocation, M&A modelling, product launches, sales commissions and internal controls while partnering across FP&A, Strategy, Financial Control and commercial teams to influence strategic decisions and performance.

The Enterprise Architect will lead architectural governance, drive AI adoption, shape technology strategy, and mentor teams to transform the technology landscape in the financial services sector.

The Senior Solutions Architect will lead initiatives on the FTSE Russell Index platform, ensuring operational efficiency, regulatory compliance, and platform modernization while collaborating with Product, Operations, and Engineering teams.

The EMEA Tax Manager will manage direct tax compliance for UK entities, oversee cash tax budgeting, and support strategic tax projects, ensuring effective collaboration with internal and external stakeholders.

Own vision, strategy and roadmap for LSEG's AI Core Platform. Deliver secure, scalable platform capabilities (AI Gateway, MCP SDK, IAM, orchestration), define APIs and standards, partner with engineering, security and product teams, drive enterprise adoption, monitor platform metrics and developer experience, and engage cloud and technology partners to enable AI at scale across LSEG.