Top Tech Jobs & Startup Jobs in London

Design, implement, test, secure, and maintain backend services for commercial journeys. Collaborate with product and cross-functional engineering teams, embed testing and security standards, contribute to CI/CD pipelines, and participate in engineering communities and agile delivery practices.

Plan, deliver and optimise brand media campaigns across AV, digital and OOH. Monitor campaign performance, manage brand media budget, produce insights and reporting, and collaborate with agencies, creative teams and stakeholders to improve ROMI and brand effectiveness.

Produce accurate, engaging personal finance content that helps consumers make confident financial decisions. Maintain editorial standards, apply SEO best practices, use AI tools responsibly, identify content opportunities, develop subject-matter expertise, and collaborate with SEO, product, commercial and compliance teams to deliver impactful content.

Join as a Graduate Product Manager to collaborate with commercial, UX and engineering teams to own a product roadmap, use data to prioritise work, deliver enhancements, optimise performance, and drive customer-centred, regulated product outcomes.

Design, build and maintain scalable automated test frameworks and reusable test solutions. Create API, integration, end-to-end and non-functional tests integrated into CI/CD. Collaborate with engineers, product and architects to embed shift-left testing and quality by design, contribute to tooling, perform root-cause analysis, participate in code reviews and continuously evaluate tools to improve quality engineering practices.

Own end-to-end delivery of production ML and LLM-powered systems: design and build training/deployment pipelines, package and deploy models, implement monitoring for performance and drift, support batch and real-time workloads, evolve internal ML platform and tooling, promote best practices, and provide technical leadership and mentoring across data science and engineering teams.

Plan, build and execute multi-channel CRM campaigns (email, push, in-app, on-site) using Braze and Movable Ink. Use customer data to personalise and optimise campaigns, monitor performance, collaborate with cross-functional teams, and ensure FCA, GDPR and internal governance compliance.

Lead design and deployment of ML models and pipelines for the AI platform. Translate business problems into measurable ML solutions, design experiments and A/B tests, and own model performance, monitoring, degradation detection and retraining. Champion responsible, explainable AI in a regulated financial context, choose between classical ML, LLMs and agentic approaches, collaborate with ML engineering, product and commercial teams, and mentor junior data scientists.

Perform product and behavioural analysis (funnel, cohort, segmentation), define KPIs, run A/B tests, build dashboards, partner with Product and Analytics Engineering, and apply AI/ML techniques to drive product decisions and experimentation.

Lead technical direction and delivery for Enterprise Services: define strategy and architecture, own end-to-end outcomes, run cross-team initiatives, de-risk complex deliveries, mentor senior engineers, partner with product and ops, manage vendor relationships, and ensure security, compliance, and scalable automation across enterprise platforms.