Sainsbury’s★3.5 (16k)· London

As Engineering Manager in Integration, you'll lead and coach a multi-skilled team building reusable integration kits, common components, and platform services using JAVA. You'll drive CI/CD, observability, and cloud-native services to standardise how integrations are built, deployed, and operated across Sainsbury’s.

PA Consulting★3.7 (106)· London

You will build and lead a Forward Deployed Engineering unit, working with Domain-Adapted Language Models, Small Language Models, LLM fine-tuning, RAG, agentic workflows, evaluation frameworks, and MLOps. The team deploys production AI systems for strategic clients, growing from a founding cohort of 8-12 to a 100-plus person team.

Work with Python, TypeScript, and Node.js while embedding LLMs and AI-native tooling across the engineering org. The company is a fast-growing climate tech startup making clean energy affordable. As Head of Engineering, you'll scale the product and engineering function, working closely with the CEO.

Lead a team of ML engineers building production systems—real-time inference APIs, batch data products, and LLM-based agentic solutions—for Compare the Market’s AI platform. You’ll set technical direction using Python, Terraform, GitHub Actions, ArgoCD, and frameworks like LangGraph/LangChain, ensuring robust, scalable, and observable systems.

Lead the Integrations team connecting Yuno’s payment platform to PSPs and gateways globally. You’ll work with Java, Golang, Kotlin, SQL, microservices, event-driven architectures, APIs, and AI-assisted coding tools like Claude Code, shaping scalable, secure payment infrastructure.

You will work with Python, SQL, PostgreSQL, Snowflake, Kafka, Airflow, Django/Flask/FastAPI, and practice TDD, BDD, and pair programming. As a principal individual contributor, you build and expand the data pipeline and event streaming infrastructure powering Europe’s largest equities exchange. You mentor engineers across Europe and the US within a small, highly skilled team.

Lead 6-7 engineers on core ML infrastructure for a systematic quant fund: distributed model training, LLM hosting/fine-tuning, and scalable deployment. Use Python with working knowledge of C++/Java. Own technical direction for real-world, high-stakes systems.

Deloitte★3.9 (14k)· London

You will work with large language models, prompt engineering, retrieval-augmented generation, orchestration frameworks, and cloud platforms (Azure, AWS, GCP). As a GenAI Solution Design lead in Deloitte's AI Scaling & Transformation team, you design enterprise-grade GenAI solutions for Security & Justice clients in regulated environments. This Senior Manager role involves overseeing delivery across multiple workstreams and leading mentoring delivery teams.

You will lead test strategies across complex programmes, overseeing functional, performance, and automation testing teams. You will work with technologies including JavaScript-based testing tools, microservices, containerization, and DevOps practices. This role is at an AI enablement consultancy that delivers quality-led foundations.

You will manage large software engineering teams using Java, JavaScript, and cloud platforms like Azure or GCP. The company builds and maintains high-scale, consumer-facing technology products with both frontend and backend components. The role leads engineering transformation initiatives and oversees distributed systems.

Equinix★3.7 (391)· London

Leading engineering pods building the orchestration layer, agent capabilities, dashboards, and enterprise integrations for Equinix's software delivery lifecycle platform. Work involves LLM-powered applications, agentic systems (MCP/A2A), APIs, event-driven systems, and cloud platforms.

You will work with Vue, Ruby on Rails, Postgres, Terraform, dbt, AWS, and GCP. EmpowerRD builds software that makes R&D tax relief claims transparent and empowering for businesses and advisors. As Head of Engineering, you own the technology strategy and lead the engineering and data teams.

Lead a team of 7 engineers building and evolving an existing Rust-native systematic options trading platform for automated quoting, execution, pricing, and risk controls. You’ll work with Rust, C++, C, PostgreSQL, gRPC, and Node.js-based services. The team is part of Keyrock, a digital asset market maker and liquidity provider.

Lead a team of 8 senior engineers using React, TypeScript, Python, FastAPI, Dagster, dbt, Snowflake, and AWS. The company fuses fragmented UK transport data into an operational intelligence layer for councils and highways authorities. This role includes architectural ownership and a path to CTO as the team scales toward 20-30 engineers.

Lead a hands-on founding engineering role building AI agents for data privacy compliance at Pyxos. Own the control plane, agent architecture, model-abstraction layer, telemetry, evaluation harnesses, and expert knowledge system using LLMs, multi-step agentic workflows, and CI/CD pipelines. You will work with a production system serving enterprise customers, hiring a deliberately small team as the most senior technical leader reporting to the CEO.

Leads multiple engineering teams using AWS cloud, microservices, DevOps, LLM APIs, and AI-assisted development. Oversees Client Service technology roadmap, building and modernizing CRM, booking, and customer engagement platforms. Manages Engineering Managers and Senior Engineers across multiple squads.

Google★4.3 (6.2k)· London

Work with Java and Kotlin on Android display and power management frameworks across devices. Manage engineers as a Tech Lead Manager, ensuring stability and extensibility of critical display and power frameworks for the Android ecosystem.

The Head of Engineering role oversees a technology stack of Vue, Ruby on Rails, Postgres, Terraform, dbt, AWS, and GCP. You will define the technology strategy and engineering culture for a software platform that simplifies R&D tax credit claims for businesses and advisors. This senior leadership position manages and mentors cross-functional engineering and data teams.

Engineering Managers at Ki lead teams working with Java, Python, JavaScript, Node.js, Spring Boot, Flask, Kotlin, GCP, and CI/CD tooling. Ki is the biggest global algorithmic insurance carrier, using machine learning and LLMs on its broker platform to digitise Lloyd's of London underwriting. The role collaborates with the CTO on technical strategy for the architecture, tech stack and infrastructure.

Lead engineering at EmpowerRD, owning the technology strategy for a SaaS platform that simplifies R&D tax relief claims. You will work with Vue, Ruby on Rails, Postgres, Terraform, dbt, AWS, and GCP, managing the engineering and data teams and reporting to the CEO.

You will work with Java, Python, JavaScript, Node.js, Spring Boot, Flask, Kotlin, GCP, CI/CD, DevOps, GitOps, and Jira on microservice-based architectures. Ki is an algorithmic insurance carrier using machine learning and large language models to deliver broker quotes in seconds, and you will lead engineering for its core broker platform enabling underwriting at scale.

This role involves leading mobile engineering as part of a digital consultancy that builds digital products and services for major organisations. No specific technologies, tools, or team size are mentioned in the listing.

International Rescue Committee★4.2 (794)· London

Lead a newly created AI security function at a humanitarian NGO, defining the strategy, building and developing a dedicated team, and owning the budget. You will set technical security requirements for AI agents and tools, perform risk assessments, and partner with IAM, Privacy, and Legal teams to ensure secure-by-design AI adoption. The role covers the full AI lifecycle from design to production, including red teaming, a governance registry, and managing review SLAs.

Lead a small mobile team building iOS and Android consumer products at a client. You will set technical direction across both platforms, work hands-on with code, and drive AI-assisted delivery using skills, agents, and spec-driven development. The role includes line-managing engineers and owning the team’s performance, delivery, and growth.

Lead a team of engineers building open-source workflow orchestration for n8n. This first-line manager role focuses on either the Governance & Observability team (audit logs, admin controls) or the Licence & Billing team (subscriptions, payments, usage tracking). You will work with modern SaaS technologies in a high-growth environment, directly managing engineers.