Latest Quality Assurance Engineer Jobs

AI Infrastructure Engineer, Sandbox Platform

This role involves building and maintaining a secure, high-performance sandboxing platform for AI agent workflows, focusing on strong isolation, low-latency execution, and developer experience. The engineer will design APIs, optimise resource utilisation, debug production issues, and collaborate with internal teams to shape the platform’s evolution across containerised and virtualised environments. It requires deep systems expertise in Linux internals, virtualisation, and developer-facing tooling.

Scale AI London, United Kingdom

Staff Technical Product Manager

This role involves leading the product development of AI-powered tools for defense and national security workflows within Scale AI’s Global Public Sector team. The individual will define technical roadmaps, collaborate closely with engineering and machine learning teams, and shape products used by allied government and defense entities. The position requires deep technical expertise, hands-on prototyping, and the ability to operate in high-compliance environments such as air-gapped or classified systems.

Scale AI United Kingdom
On-site Permanent Clearance Required

Senior AI Developer

This role involves designing and refining AI-driven solutions such as prompts, context strategies, and agentic workflows, with a strong focus on evaluation and production readiness. The individual will lead best practices across engineering teams, coaching developers and establishing reusable tools and standards for AI adoption. They will work across product, engineering, and domain experts to ensure AI is applied effectively, safely, and with measurable impact in a SaaS environment.

Apache Associates Sheffield, United Kingdom £60,000 – £80,000 pa

AI Software Engineer – C# .NET

Design and implement AI-powered features using C# .NET within established SaaS products, focusing on production-grade integration of LLMs, prompt and context engineering, and structured output evaluation. Collaborate with engineering and product teams to solve real business problems, rapidly prototype ideas, and ensure robustness, safety, and performance. Contribute to AI adoption across the organisation through knowledge sharing and pragmatic engineering decisions.

Apache Associates Hungerford, United Kingdom £50,000 – £60,000 pa

Full-Stack Engineer (Back-End Leaning)

Build and maintain scalable backend systems powering AI voice and creative tools used by millions. Work across platform, product, and infrastructure to integrate cutting-edge AI models, improve developer APIs, and strengthen cloud-native systems. Collaborate with frontend, growth, and sales teams to deliver intuitive, secure, and high-performance solutions.

ElevenLabs United Kingdom
Remote Permanent

Full-Stack Engineer (Front-End Leaning)

Build and maintain front-end and back-end components for AI-powered voice, creative, and developer platforms used by millions. Work with lean, autonomous teams to deliver end-to-end features, improve UX, and integrate cutting-edge AI models. Collaborate across engineering, growth, and sales to solve customer and internal workflow challenges.

ElevenLabs United Kingdom
Remote Permanent

Technical Programme Manager

This role involves leading complex, multi-team technical programmes within a fast-paced engineering environment, focusing on planning, alignment, and delivery. The Technical Programme Manager will drive cross-functional collaboration, optimise processes, and ensure engineering efforts are aligned with strategic objectives. What sets this role apart is its focus on outcome-driven delivery within a high-growth fintech building cloud-native core banking technology.

Thought Machine London, United Kingdom
Hybrid Permanent

Software Engineer (Infrastructure)

This role involves building and maintaining infrastructure automation tools to support scalable, reliable deployment of banking software. The engineer will develop observability, orchestration, and disaster recovery systems, enabling seamless operation of Vault in customer environments. Work includes close collaboration with engineering teams to improve code quality and streamline CI/CD processes using modern cloud-native technologies.

Thought Machine London, United Kingdom
Hybrid Permanent

Communications Manager

Would you like to continue your career in a supportive, collaborative and innovative company?Do you enjoy working as part of an enthusiastic, passionate, and collaborative team?Join our Communications teamThe story of Softcat is one driven by an unprecedented ‘people-first' culture...

Softcat Marlow, Buckinghamshire, United Kingdom

Marketing Operations Manager - Ai & Automation

This role involves designing and implementing AI-powered marketing operations and automation systems to enhance customer engagement and drive commercial growth. The candidate will build intelligent customer profiles, develop AI-driven customer journeys across multiple channels, and create autonomous agents to improve marketing efficiency. They will work closely with senior leaders to integrate AI technologies into marketing strategies, ensuring scalability, personalisation, and measurable impact on pipeline and revenue.

The Portfolio Group Bolton, Manchester, M26 1HG, United Kingdom

Marketing Operations Manager - Ai & Automation

This role involves building and leading AI-powered marketing operations from the ground up, using automation, predictive modelling, and intelligent customer journeys across multiple channels. The person will design AI-driven workflows, develop autonomous agents, and connect marketing initiatives directly to pipeline and revenue impact. They'll work across a portfolio of businesses to shape AI strategy, ensure governance, and drive innovation in customer engagement using data, automation, and emerging AI technologies.

The Portfolio Group London, United Kingdom

Principal Machine Learning Engineer

A Principal Machine Learning Engineer will lead technical innovation in speech AI by developing and deploying advanced machine learning models, translating research into scalable production systems. The role involves mentoring engineers, shaping long-term ML strategy, and solving complex modelling challenges across the organisation. Work spans distributed training, inference optimisation, and MLOps best practices within a hybrid working environment.

Speechmatics Cambridge, United Kingdom

Principal Machine Learning Engineer

Lead the development and deployment of advanced speech recognition models, bridging research and production. Drive technical vision, mentor engineering teams, and optimise large-scale ML systems for accuracy, speed, and scalability. Work across the full ML lifecycle with a focus on transformers, distributed training, and MLOps best practices.

Speechmatics London, United Kingdom
Hybrid Permanent

Senior AI Engineer

Design and implement end-to-end AI/ML systems using generative AI, LLMs, and agentic frameworks to extract insights from biomedical literature and data. Focus on production-grade reliability, model quality, and collaboration with product and engineering teams to deliver user-facing features. Mentor junior engineers and contribute to a culture of technical excellence and knowledge sharing.

Causaly London, United Kingdom
Hybrid Permanent

Principal AI Engineer

This role involves leading the architecture and development of a cloud-native AI platform, with a focus on building production-grade AI and LLM-powered applications. The engineer will drive technical standards, mentor a multidisciplinary team, and shape platform scalability and engineering culture. It's a hands-on leadership position in a greenfield environment using modern technologies like LangChain and Google Cloud Platform.

Harnham - Data and Analytics Recruitment Usa, United Kingdom US$250,000 – US$300,000 pa
Remote Permanent