Top Tech Jobs & Startup Jobs in London

The Full-Stack Engineer will enhance backend functionality, collaborate with teams, and maintain platform performance and security, requiring expertise in Python.

Build and operate production creative agents for audio, image, and video generation. Develop backend systems for asynchronous, long-running tasks; improve agent prompts, tools, orchestration, models, MCP integrations, evaluations, monitoring, scalability, and security. Own features end to end, from prototyping and customer discovery through frontend delivery, production support, and collaboration with product, design, and engineering teams.

Own finance-focused data science and analysis, including revenue and ARR reconciliation, cohort economics, pricing experiments, forecasting, and scenario modeling. Partner with Analytics Engineering to maintain certified finance KPIs and ensure data quality across billing and revenue systems. Translate ambiguous questions from FP&A, RevOps, and leadership into reusable analyses that support planning, board reporting, pricing, and IPO readiness.

Build and operate large-scale distributed web crawlers that discover, fetch, extract, deduplicate, and recrawl billions of pages. Develop targeted pipelines for audio, video, and multilingual data, transforming web content into training-ready datasets. Create infrastructure and tooling for researchers to request, monitor, evaluate, and explore crawled data, while ensuring reliability, efficiency, compliance, politeness, and rate-limit handling.

Deploy and optimize frontier AI models for real-time production use at scale. Responsibilities include improving inference latency, throughput, and cost through quantization, distillation, KV-cache optimization, batching, and custom kernels; building high-performance streaming serving systems; and creating tooling that enables safe, efficient model deployment.

Own ElevenLabs’ full-funnel growth experimentation program across landing pages, onboarding, activation, pricing, and monetization. Use product and funnel analytics to identify opportunities, prioritize tests, design and evaluate experiments, manage tracking and reporting, and drive measurable subscription, pipeline, and revenue growth. Coordinate paid media, design, engineering, and product teams around a shared optimization roadmap.

Design, build, and maintain open-source projects including server- and client-side SDKs and MCP servers. Improve the ElevenLabs API and develop tooling that enhances the developer experience. Act as the customer zero for new developer products, troubleshoot technical issues, create technical content, and potentially participate in developer conferences.

Handle editing and polishing of AI-generated audiobooks, ensuring quality tone, pacing, and alignment with authors. Collaborate in post-production processes.

Join ElevenLabs as a freelance Transcription/Subtitling Specialist, producing accurate transcripts and high-quality subtitles for various content, while managing flexible work schedules.

The Dubbing Specialist will optimize translations and produce natural-sounding dubbed audio, collaborating with audio teams to ensure high-quality outputs.