Top Tech Jobs & Startup Jobs in London

The Founder's Associate will collaborate with the CEO on strategy, finance, operations, and product development, driving critical initiatives and supporting market evaluations.

Fuse is seeking a Senior Technical Recruiter to lead backend engineering hiring, focusing on executive sourcing, candidate assessment, and relationship management.

Lead and execute the companys non-project and trading financings end-to-end: structure deals, build models, manage lenders/counterparties, ensure covenant compliance and reporting, and partner with leadership on capital strategy as the business scales.

Lead and scale paid acquisition across Paid Social, Search, Programmatic and Display. Build tracking infrastructure (GTM, GA4, pixels, app tracking), deploy LLM automation for campaign workflows, optimize creative/landing pages, manage multi-million budgets, and report data-driven performance to senior leadership while iterating rapidly to improve CAC and LTV.

Lead group tax, audit and compliance for a multi-entity renewable energy group: optimise tax structure, manage transfer pricing, run external audits, ensure statutory filings, procure insurance, and manage corporate admin for entity setup across jurisdictions.

Design, deploy, and operate lossless RDMA-capable leaf-spine fabrics for multi-tenant GPU clusters. Automate provisioning, build telemetry/observability, troubleshoot end-to-end performance, manage out-of-band and office networks, support tenant onboarding, and document designs while upskilling colleagues.

Own end-to-end frontend features for consumer and internal products using React, TypeScript and Next.js. Ship polished, performant UIs, collaborate with backend, mobile, product and design, prototype AI-driven ideas, and help shape product direction for clean energy offerings.

Define and build Fuse's inference-serving architecture and stack, including request routing, batching, scheduling, and autoscaling for latency-sensitive workloads. Own model-level optimizations (quantisation, distillation, speculative decoding), translate performance SLAs into capacity plans, and integrate low-level GPU/CUDA performance work with serving infrastructure. Set benchmarks, tooling, and act as technical owner of inference performance and reliability.

As a Finance Intern, you will support finance projects including M&A, fundraising, and commercial agreements, while developing financial models for strategic decisions.

Develop and optimize CUDA kernels and GPU-accelerated software for latency-sensitive, high-throughput workloads. Profile and tune GPU performance, scale multi-GPU/multi-node systems, build tooling to correlate GPU utilization with real-time energy/grid signals, collaborate with infrastructure and ML teams, and contribute to libraries and best practices for GPU performance in data center environments.