Top Tech Jobs & Startup Jobs in London

Lead development of Java/Spring Boot microservices for J.P. Morgan Personal Investing. Design and evolve cloud-native, event-driven architectures on Kubernetes using Kafka, deliver features from estimation to production, write tests, participate in code reviews, maintain monitoring/alerting, and drive adoption of enterprise-authorized AI-assisted engineering practices and SDLC automation.

Lead and execute Payments transformation and market expansion initiatives across EMEA. Design operating models and governance, perform market analysis, drive go-to-market plans, coordinate cross-functional teams, and support M&A integration to scale payments products and enter new geographies.

Lead research and engineering of state-of-the-art ML solutions (NLP, LLMs, recommendation systems). Drive experimentation, design training frameworks, build scalable production deployments, collaborate with cross-functional teams, publish research, and develop firm-wide ML frameworks while adhering to compliance requirements.

Lead development of equities algorithmic trading strategies and execution platform. Build simulation and automated testing, analyze and improve strategy performance, troubleshoot production issues, and develop scalable real-time processing and automation to improve operational stability.

Build and maintain front-end features for cloud-native banking applications using React. Collaborate with cross-functional squads, write clean testable code, debug and test, mentor juniors, and apply enterprise AI-assisted development tools while ensuring secure, resilient, and customer-focused delivery.

Lead product design within a cross-functional squad to create customer-focused mobile banking experiences. Drive discovery, prototyping, usability testing, and design system alignment. Present work to stakeholders, mentor designers, and translate business and user needs into high-quality UI/UX across iOS and Android.

Partner to the CFP domain leader to drive execution, operating cadence, portfolio and vendor governance, resource and financial management, and talent reviews. Translate strategy into integrated roadmaps and OKRs, prepare executive-ready communications, validate AI-assisted planning outputs, and improve processes to increase efficiency across a global engineering-led infrastructure organization.

Design, implement, and maintain systematic trading strategies and investable indices across asset classes. Develop production-grade algorithms, support risk management and hedging, build infrastructure and automation, and collaborate with Structuring, Trading, and Technology teams globally to drive robust, scalable solutions.

Support design and rollout of AI/ML and Generative AI governance across CIB: build executive reporting and dashboards, update governance documentation, deliver training and communications, monitor compliance, remediate issues, and partner with data science, engineering and business stakeholders to implement governance tooling and process improvements.

Design, build and operate cloud-native backend microservices (Java) for banking products. Ensure secure, reliable, scalable systems with strong testing, performance tuning, zero-downtime releases, and production support including incident management.