Global Job Listings

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Summary:

As the Senior Project Manager, you will work closely with internal disciplines, including QA, Development, UX, and Creative to ensure flawless project execution, efficient resource allocation, project financial sanity and deliver client satisfaction. You will foster and grow project management talen

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Summary:

As the Paid Search Strategist, you will own the creation, execution, and optimization of paid search campaigns, acting as a strategic SEM lead and advisor for enterprise-level brands. This role works as part of an integrated SEO/SEM team to develop holistic search strategy. You’ll provide leadership

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Summary:

Critical Mass is on the lookout for a dynamic HR Coordinator to join our London team on 12 month FTC. In this pivotal role, you'll report directly to the Senior HR Director and collaborate closely with the Senior HR Business Partner, Talent Acquisition Manager, and Head of Finance. You’ll play a key

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Summary:

As a Media Planner, you are eager to dive into the world of media strategy, planning, trafficking, reporting and implementation, and hit the ground running with support from the Media team. With guidance from your Media Supervisor or Director, you’re ready to break into the digital media landscape a

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Summary:

Creative Engineering Our creative engineering team builds scalable frameworks and universal design systems that allow clients to bring campaigns to market with speed and cost-efficiency. These frameworks are adaptable, ensuring clients can use them across multiple projects and optimize their creativ

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Summary:

Creative Engineering Our creative engineering team builds scalable frameworks and universal design systems that allow clients to bring campaigns to market with speed and cost-efficiency. These frameworks are adaptable, ensuring clients can use them across multiple projects and optimize their creativ

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Summary:

As the VP of Media, you will lead the development and execution of media strategies across key client accounts. The ideal candidate brings over 10 years of diverse media experience, with a strong emphasis on digital, and has a proven track record of managing and developing high-performing teams of 1

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Summary:

As a Billing Coordinator (Contract) , you support the Financial Analyst Team to manage and oversee the billing processes. Your primary duties include preparing and issuing invoices, tracking and recording payments, resolving billing disputes, generating financial reports, and ensuring compliance wit

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Summary:

The Programmatic Specialist (Contract) supports the day-to-day execution of programmatic media campaigns and is an integral part of the activation team. They are a digital native with a strong interest in emerging media and a desire to grow their expertise in programmatic advertising. Working closel

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Summary:

Our Quality Assurance practice is integrated across the entire project lifecycle, ensuring the agreed-upon standards and requirements are met in order to deliver the highest quality product. Whether Critical Mass is solely responsible for delivering the end-to-end solution or we're working with inte

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Summary:

A QA reports to a QA Lead. Works closely with QA lead, QA Subject Matter Experts, other QA members, Project managers, designers, and developers to ensure QA standards and client satisfaction are delivered. He/She Provides execution of QA tasks with speed and excellent quality for the overall agility

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Summary:

As a VP, Client Partner, you drive client success. Providing overall direction and leadership to the Client Services team can be difficult, but your tact and good judgement when interacting with others allows you to tackle the challenge. You have the curiosity of a senior level strategist and know w

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Summary:

Critical Mass is hiring a Sr Account Manager to join a dynamic and collaborative team where you’ll work directly with high-profile clients on digital marketing initiatives that make a real impact. As a Sr. Account Manager, you’ll be empowered to lead, innovate, and grow—shaping campaigns that matter

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Summary:

We are seeking an experienced Software Engineer to support the development and maintenance of robust, scalable web applications across both front-end and back-end technologies. You will collaborate with cross-functional teams to design and implement complex features, APIs, and database structures, e

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Summary:

We are seeking an experienced and motivated Developer, Front End to join our team. The Developer, Front End will be responsible for delivering front-end tasks, supporting web applications, and translating graphic designs into efficient, high-quality, responsive, and accessible code. This role requir

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Summary:

Critical Mass have a fantastic opportunity to join the team working directly for our Diageo client on a 6 month fixed term contract. This is an exciting role that can be based remotely in the UK or from our client's amazing offices based in central London. The Global D2C and Brand Websites Team are

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Summary:

As an Associate Creative Director, you bring a creative voice with strategic thinking to projects. You have a diverse array of experiences to bring to the roll—from conceptual development to client relations to the execution of creative deliverables. Creating and communicating concepts, creating and

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Summary:

As an Associate Creative Director, you bring a creative voice with strategic thinking to projects. You have a diverse array of experiences to bring to the role—from conceptual development to client relations to the execution of creative deliverables. Creating and communicating concepts, creating and

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Summary:

As Campaign Engineer, you will support the team in setting up, monitoring, and managing multi-channel marketing campaigns, and assist with data manipulation and analysis tasks. You will learn to design and maintain data solutions that help optimize processes and automate tasks, contributing to the s

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Summary:

As a Marketing Science Analyst, your curiosity never ends. Always asking the next question, you seek to understand how marketing science drives the bigger picture. With 1 to 3 years of experience owning marketing science deliverables, you focus on at least two of the following: tracking and measurem

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Summary:

The Programmatic Specialist (Contract) supports the day-to-day execution of programmatic media campaigns and is an integral part of the activation team. They are a digital native with a strong interest in emerging media and a desire to grow their expertise in programmatic advertising. Working closel

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Summary:

As a Quality Control Specialist, you are an excellent communicator who can work closely with Producers, Design Supervisors, Production Designers, Studio Artists and Technical artists to ensure assets are successfully delivered without errors. Mitigating risks and managing QC can be challenging, but