Top Tech Jobs & Startup Jobs in London

Provides technical platform support for business teams and clients by troubleshooting application issues, managing incidents and tickets within SLAs, escalating technical problems, querying databases with SQL, maintaining knowledge-base content, and coordinating support-tool training. The role requires cross-functional collaboration with Customer Service, Engineering, Product, and Technical Account Management teams to improve platform performance and customer experience.

Own the end-to-end development of agentic AI systems for The Trade Desk’s AI Assistant. Responsibilities include building evaluation platforms, benchmark datasets, human and AI-judge scoring, prompt and harness optimization, release gates, guardrails, safety frameworks, production model serving, and agent standards. The role also mentors scientists and engineers, guides applied science roadmaps, and translates LLM research into reliable production solutions.

Lead Staff Software Engineers manage projects and teams, guiding technical direction and strategy while contributing to software development at scale.

Lead operational success for inventory partnerships across EMEA, manage publisher platform deal libraries, resolve supply partner issues, ensure GDPR-compliant deal structures, synthesize reporting into actionable insights, coordinate global initiatives, and coach Sr. Analysts while providing product/engineering feedback.

Manage day-to-day programmatic trading for a portfolio of agency/client accounts, independently owning account performance, onboarding and training clients, developing trading strategies, identifying growth opportunities, and collaborating with internal teams to provide product expertise and campaign optimization.

Lead technical direction for an analytics and observability platform capturing product event data. Solve multi-system scaling problems, enable self-service and AI tools, improve tooling and processes, mentor engineers, and partner with product, trading, and business teams to expose reliable data and insights company-wide.

The Sales Development Representative will drive outbound prospecting initiatives, conduct client conversations, and achieve monthly sales goals while collaborating with teams to refine lead generation efforts.

Lead technical design, build, and operate backend systems powering high-traffic web and data platforms. Serve as a Staff-level technical authority, mentor peers, drive cross-team technical direction, and own operational health, reliability, and reporting pipelines. Transition into people management, directly managing engineers and participating in hiring and performance processes.

Lead multi-year product strategy and end-to-end ownership for The Trade Desk's reporting and analytics products. Define requirements for data pipelines, query performance, APIs, visualizations, AI-native interfaces, and data collaboration. Align cross-functional stakeholders, build business cases, drive GTM, and represent the company externally while championing data quality, scalability, and user-centered design.

Senior individual-contributor UX Visual Designer to define and execute high-fidelity visual and interaction design across a complex, data-dense adtech platform. Own end-to-end design for dashboards, workflows, and prototypes; evolve design systems; drive usability testing; partner with product and engineering; mentor designers and represent design externally.