Hands-on Head of Engineering role building a modern, API-first, microservices-based platform for a specialty MGA. Will work with cloud architecture, modular services, AI, and data platform to deliver embedded insurance products. Initially close to code, then responsible for defining team structures and scaling the engineering organization.

Lead engineers on Canada Life UK's digital team work with modern component-oriented front-end frameworks, CI/CD pipelines, test automation, and Azure-hosted solutions. You will design and build accessible, responsive user interfaces (WCAG 2.2 AA standards), optimize front-end performance and Core Web Vitals, and contribute hands-on across full-stack development. This role is one of several Lead Engineers in Digital who collaboratively set technical direction and engineering standards.

Xelix★0.0· London

You’ll lead design and delivery of production-grade AI solutions combining machine learning, LLMs, and robust engineering, architecting complex agent-based workflows and tool ecosystems. You will work with modern AI-assisted development tools and define evaluation frameworks. Xelix automates financial controls for enterprise Accounts Payable teams.

You will work with Python, Django, FastAPI, PostgreSQL, AWS, and distributed async workers. The team builds an AI platform that processes purchasing records and recipes to measure and reduce carbon emissions for the food industry. You will own the backend for a core product in an eight-person startup.

Python, SQL, AWS, IaC (Pulumi or Terraform), and likely Airflow, dbt, Spark, Kafka. You will build ETL/ELT pipelines ingesting and normalising data from fragmented legacy police systems for AI-powered investigation software and smart hardware. This is a founding role on a 7-person engineering team.

Take full ownership of technical architecture and end-to-end product development on an existing MVP, evolving it into a robust, scalable platform using undisclosed technologies. You will build the infrastructure for the creator economy, replacing manual spreadsheets with long-term community software for a London-based startup already partnered with high-profile UK brands and Kylie Jenner's K2O. As Founding CTO, you will recruit, lead, and mentor the engineering team as it scales following an upcoming funding round.

As Head of Engineering you will lead an eight-person team set to triple, working hands-on with AI-native tooling, code review, and architecture for treasury management infrastructure processing hundreds of millions of euros monthly. Key technologies include the company’s own full-stack issuing, operating, and distribution systems accessed via app or API for cash management.

You will work with Python, TypeScript, React, AWS, and Pulumi to build distributed infrastructure and AI systems. This role focuses on automating complex workflows in physical industries like aerospace and healthcare, building scalable backend systems and managing GPU orchestration for a seed-stage industrial AI startup.

You'll work with TypeScript, React, Next.js, Node/N

Xelix★0.0· London

Work with Python, LLMs (hosted and self-hosted), traditional ML (e.g. gradient boosting), SQL, and pandas to design and build production AI systems for automating Accounts Payable workflows. You will develop agent-based systems, fine-tune models, and write clean, scalable code for the AI Engineering team at this Series-B financial-controls scale-up.

Design, build and operate production agentic AI systems using Python, LLMs (Azure OpenAI, Anthropic, open models) and frameworks like LangGraph, LangChain, LlamaIndex, as well as MCP servers, vector databases, RAG, and observability tools. The team delivers reliable, audit-ready AI for banking, insurance and fintech clients at a global IT solutions provider.

You’ll work with JavaScript/TypeScript, Python or Golang, and AWS/GCP, using AI assistants in daily development. You’ll build and own features end-to-end for an AI-driven product at a fast-growing European scale-up, collaborating with engineering and product leads. No team size is stated.

You'll work with C#/.NET 10, SQL/T-SQL, Azure, React, and AI/agent/document-processing tools. This InsurTech startup is scaling its platform from hundreds toward 10,000+ daily users, building core features, customer experiences, and integrations. You join a team of about eight engineers.

You'll build scalable backend services and APIs using Node.js and TypeScript, designing distributed systems and integrating AI capabilities. The team delivers the core platform powering a fast-growing global business used across multiple international markets.

Use vulnerability scanning tools and CIS/NIST baselines to harden cloud services, while applying AI Development Risk Frameworks to LLM features and MCP integrations. You’ll join the Security Engineering & Operations team protecting patient and NHS data across accu

Anthropic★5.0 (1)· London

Support macOS, ChromeOS, iOS, Android, Google Workspace, Slack, GitHub, Atlassian, and write Bash/Python scripts for automation. This IT Operations role at Anthropic, an AI safety company, handles employee hardware/software support, onboarding, and process improvements.

Kaluza★5.0 (1)· London

In this pre-sales engineering role, you'll build mock backends and demo infrastructure using Node.js, TypeScript, React, REST/GraphQL APIs, AWS, PostgreSQL, DynamoDB, and Terraform, leveraging LLMs like Claude and Gemini for rapid prototyping. You'll support Kaluza's Energy Intelligence Platform, which uses data and AI to help energy companies transition to clean energy, by creating technical assets for client validation. The role involves mentoring the pre-sales team on API design and GenAI workflows.

You will work with LLM integration, prompt engineering, evaluation pipelines, APIs, data plumbing, and AI-assisted tools like Claude Code, Cursor, or Codex. weframe builds custom AI/tech systems for business owners, embedding directly with client teams to scope and build AI-powered solutions. You'll report to the technical co-founder on a small, hands-on team.

You'll build and deploy AI agents using Microsoft Copilot Studio and integrate with enterprise data platforms like Microsoft Fabric. This role is with a large UK transport and infrastructure organisation, focusing on delivering business-facing AI agents and automation to improve decision-making and productivity.

You'll work with TypeScript, React, and Python, integrating LLMs, AI agents, or AI-powered APIs. This AI startup automates workflows for complex industries, combining AI, automation, and intuitive user experiences to transform manual processes.

You’ll work with Go, Python or C++, React, TypeScript, AWS, Kubernetes, and AI/computer vision, shipping end-to-end features for a fast-growing AI company building intelligent systems with multimodal AI and real-time data. The small, highly technical engineering team handles backend, frontend, and AI-powered customer products.

React, TypeScript, Node, Python, and Azure. The Scoring team builds the internal platform that turns environmental disclosure data into scores used by thousands of companies and investors. The senior role requires deep Python alongside TypeScript.

As Technical Lead, you will tackle complex backend and AI challenges, feeding context to AI models and designing systems for unstructured data. You will own a product domain end-to-end within an AI-native data collection platform for physical inspection. You will also coach engineers and align multiple team members around a technical vision.

Work with world models, diffusion models, transformers, video generation, multimodal learning, and large-scale ML systems. As part of Odyssey's applied research team, you'll advance causal, multimodal world models for robotics, science, and other fields, building from hypothesis through working prototypes and shipping results into production models.

You'll build production AI applications using Python, OpenAI/Claude LLMs, RAG architectures, and Google Cloud (Vertex AI, BigQuery, Cloud Run), plus Docker and CI/CD. The work involves copilots, document processing, and conversational platforms for Brown & Brown UK, one of Europe's largest insurance groups.