Quantum
Quantum is a performance-driven affiliate marketing and digital comparison company that connects global brands with high-intent consumers. Headquartered in London, it builds data-driven comparison services and campaigns designed to be measurable, optimised in real time and scalable. The company combines in-house technology, full-stack analytics and a compliance-first approach to operate in regulated and high-growth sectors. Quantum aims to help users make faster, smarter buying decisions while driving growth for its partners.
Graduate Data Engineer
The Graduate Data Engineer role offers a hands-on opportunity to build and maintain scalable data infrastructure within a fast-paced environment. You will be responsible for developing data pipelines, ensuring data quality, and automating processes to support business-wide analytics. This position is perfect for a proactive graduate looking to develop their engineering skills while making a tangible impact on data operations.
Senior AI Engineer
We're looking for an experienced Senior AI Engineer to join our team. You'll be at the forefront of designing, developing, and deploying AI systems that power personalised advertising, customer journey analytics, audience segmentation, and real-time bidding strategies. Working closely with BI, data engineers, and product teams, you'll help build scalable AI solutions that deliver measurable business outcomes. Our infrastructure is powered by Google Cloud Platform (GCP), and we take pride in applying cutting-edge AI techniques to real-world marketing and advertising challenges.
Technical CRM Executive
We are seeking a Technical CRM Executive to join our growing CRM team in London. This role supports the delivery of customer-centric, automated experiences across email, SMS, and messaging channels. You will leverage your technical aptitude with JavaScript, APIs, and SQL to manage CRM initiatives, data quality, and system integrations. The ideal candidate has experience with Adobe Campaign or SFMC and is comfortable working in a fast-paced, data-driven environment.
Sales Operations Executive
Quantum is seeking a Sales Operations Executive to join their growing team in London. This role is responsible for maintaining accurate merchant data, onboarding new merchants, and ensuring the quality and functionality of deals and pages. The ideal candidate will be detail-oriented, organised, and a proactive communicator, eager to learn and take ownership of tasks within a fast-paced environment. This position offers hands-on experience in sales operations and commercial processes, with opportunities for development and mentorship.
Senior Data Engineer
Quantum is seeking a Senior Data Engineer to join their growing Technology team in London. This role involves designing and building a robust, scalable, and high-performance real-time data backbone. You will be responsible for developing and maintaining data pipelines, integrating various data sources, and leading the development of transformation workflows. The position offers an opportunity to work with modern technologies and collaborate across teams to support business objectives.
Head of Product
Quantum is seeking a Head of Product to lead and scale their product function. This role involves owning the end-to-end product strategy and execution, setting direction, and ensuring product excellence. The ideal candidate will have experience leading product teams in comparison or affiliate businesses and a track record of shipping products that drive commercial outcomes. Responsibilities include setting priorities, fostering experimentation, understanding customer needs, and leading a product management team.
Performance Marketing Specialist
Quantum is seeking a Performance Marketing Specialist to join their team in London. This role involves owning the execution, optimization, and scaling of paid acquisition campaigns across Paid Social and Native channels. You will drive high-quality traffic and work with platforms like Meta, Snap, Taboola, and Outbrain. The position requires hands-on campaign management, creative testing, and data-led optimization to meet marketing priorities and growth initiatives.
Senior Data Operations Manager
Quantum is seeking a Senior Data Operations Manager in London to automate and optimize data operations processes. This role involves transitioning from manual workflows to scalable solutions, collaborating with engineering on integrations, and ensuring data quality. The position requires strong technical and communication skills, with the opportunity to manage a direct report.
Senior AI Engineer
This role is for an experienced Senior AI Engineer to design, develop, and deploy AI systems for personalised advertising and customer analytics. You will work with BI, data engineers, and product teams to build scalable AI solutions on Google Cloud Platform. Key responsibilities include architecting multi-agent systems, implementing advanced agentic workflows, and ensuring system performance and security. The role also involves mentoring junior engineers and championing best practices in AI development.
Affiliate Account Executive
Quantum is seeking an Affiliate Account Executive to join their growing Affiliate team in London. This role involves supporting the daily management, activation, and optimisation of affiliate publishers to drive performance across core markets. The successful candidate will work closely with various internal teams and develop key commercial, analytical, and relationship management skills. This is an excellent opportunity for someone with 1-2 years of experience in a related field to contribute to a data-driven affiliate marketing environment.
Technical CRM Executive
Quantum is seeking a Technical CRM Executive to join their affiliate marketing team in London. This role involves supporting the CRM team in delivering automated customer experiences across various messaging channels. The ideal candidate will have experience with CRM platforms like Adobe Campaign or SFMC, along with HTML, SQL, and JavaScript skills. Responsibilities include managing data, troubleshooting technical issues, developing new modules, and working cross-functionally to ensure effective campaign delivery.
Head of CRM
Quantum is seeking a Head of CRM to lead strategic planning, design, and execution of customer communications across all outbound channels and brands. This role involves owning CRM program performance and optimization, leading a London-based team, and taking a data-informed approach to drive engagement and results. The ideal candidate is a technically strong marketer with hands-on experience in Salesforce Marketing Cloud and a deep commitment to customer centricity.