Top Tech Jobs & Startup Jobs in London

Lead and run group treasury operations during a 12-month fixed-term contract. Rebuild the 13-week cashflow forecast, drive banking automation and D365 integration, strengthen controls and policies, redesign operating model, document processes, and onboard and coach an incoming Treasury Analyst while liaising with senior finance stakeholders.

Own and maintain Trainline's Pigment FP&A platform, build and govern planning/reporting models, automate Excel/PowerPoint workflows, enable self-service tools, integrate data with engineering, and drive model governance, testing, and rollout of new Pigment features.

Manage day-to-day cash positions, process treasury payments, maintain the 13-week cash forecast, execute FX trades, manage the Group RCF and Facility Agent liaison, maintain cash and liquidity reporting, support KYC, banking mandates, and treasury transformation through process improvement and automation.

Lead and manage a team of iOS and Android engineers building shared mobile platform tooling, frameworks, and practices. Own technical roadmap, hiring, onboarding, career development, remove blockers, prioritise technical work with Product, and ensure delivery, quality, monitoring, and continuous improvement.

Work as a junior .NET backend engineer building and maintaining backend services, deliver features end-to-end, ensure code quality, participate in deployments and monitoring, improve codebase, and collaborate in Agile teams to support supply integration and scaling.

Lead and define long-term iOS technical strategy and standards, drive cross-platform architecture, modernise engineering practices, mentor senior engineers, evaluate emerging technologies including AI, and influence product and technical decisions across the organisation.

Design, build and maintain backend .NET services for high-volume transactional rail booking systems. Deliver features, ensure quality and observability, own deployments and monitoring, mentor teammates, and drive technical decisions within an Agile team.

Lead a cross-functional Customer Growth engineering team, co-own the roadmap with product and data, uphold engineering quality, embed A/B testing and data-driven delivery, manage mixed permanent and contractor teams, integrate AI productivity tools, remove blockers, and drive hiring and career development.

Provide high-level support to the CEO by managing a complex calendar, preparing Board and Executive meeting materials, coordinating domestic and international travel, handling confidential correspondence and expenses, supporting investor roadshows, and building stakeholder relationships to ensure smooth executive and company operations.

The Senior Engineering Manager leads multiple engineering teams, ensuring timely project delivery and cross-team collaboration, while promoting best practices and operational excellence.