Jobs

The Senior Project Manager plays an integral role in collaborating closely with our client to deliver on digital projects which drive one of the world’s most trafficked websites. You will take a leade...

Marketing Science Lead, Implementation As a Marketing Science Lead, your curiosity never ends. The next question is always on your mind, helping you demonstrate the value of marketing science to inte...

A a Billing Coordinator, you support the Financial Analytics Team to manage and oversee the billing processes. Your primary duties include preparing and issuing invoices, tracking and recording paymen...

About Calm Calm is a leading consumer mental health company on a mission to support everyone on every step of their mental health journey. Known for its flagship consumer app—ranked #1 in its categor...

Are you a master of process, collaboration, and problem-solving? As a Program Director at Critical Mass, you’ll play a pivotal role in shaping the way we work, ensuring seamless project execution, and...

As a Senior Strategist at CM, you'll serve as a strategic orchestrator bringing together insights, creativity, and channel expertise into cohesive, omni-channel, high-impact campaigns and digital expe...

Job Title: Consultant in Child and Adolescent Psychiatry Grade: Consultant Location: Calmore, Southampton Working Hours: 40 hours per week Rate: Competitive, to be discussed upon application We are s...

As a Strategy Director at Critical Mass, you'll be a key leader on a strategic, high-growth account, partnering with creative, media, and account teams to drive innovative, high-impact work. With a de...

As a Marketing Science Senior Analyst, your curiosity never ends. The next question is always on your mind, helping you demonstrate the value of marketing science to internal and external stakeholders...

As a Strategist, you bring key strategic guidance to multidisciplinary teams. You’re not fazed effectively communicating your findings to varying audiences—from creative to technical team members. And...

As a Senior Designer, crafting creative concepts that translate visually is your bread and butter. You are an original thinker and a team player—matching strategic direction with appropriate design re...

As a Senior Designer, crafting creative concepts that translate visually is your bread and butter. You are an original thinker and a team player—matching strategic direction with appropriate design re...

A Senior Project Manager reports to a Program Manager. Works closely with Directors and Subject Matter Experts, designers, developers and QA to ensure flawless project execution, efficient resource al...

Sr. Studio Artist Motion Brief This role is in the organization to support the Motion & Sound team and to ensure a cohesive motion output. The core expectation of this role is to contribute t...

As a Senior Product Designer, you determine the user experience of our clients’ products. You have acute self-awareness and deep empathy for both the customer and our clients' goals. Organizing conten...

As a Senior Product Designer, you determine the user experience of our clients’ products. You have acute self-awareness and deep empathy for both the customer and our clients' goals. Organizing conten...

As a Senior Product Designer, you determine the user experience of our clients’ products. You have acute self-awareness and deep empathy for both the customer and our clients' goals. Organizing conten...

Critical Mass have a new and exciting opportunity based in their London office! We're looking for a talented Producer to join a fast-paced team working for a global hospitality platform. This a contr...

We are looking for a Senior SharePoint + React Developer to join our team supporting AT&T’s internal SharePoint platforms. This role involves building and maintaining custom front-end components u...

Senior Designer We create applications which drive one of the world’s most trafficked websites. We play an active role helping our client connect their consumers globally through mobile, digital, and...

This QA role is responsible for ensuring that quality assurance standards and client satisfaction are delivered throughout the product lifecycle. You will execute structured QA activities — including ...

The Project Coordinator is responsible for supporting the successful delivery of digital marketing campaigns, working closely with cross-functional, multi-project teams to ensure deliverables are comp...

Overview As an Executive Product Engineer, you hold a senior leadership role over the entire CGAI product engineering pipeline, from initial concept to final delivery and its strategic integration wit...

As a Design Director, Art you couple a strong creative voice with strategy and product thinking to lead performance marketing and design framework initiatives. Balancing creative thinking, political a...

As a Design Director, Art you couple a strong creative voice with strategy and product thinking to lead performance marketing and design framework initiatives. Balancing creative thinking, political a...

As an Associate Design Director, you bring a strong creative ​opinion, informed by strategy and past results to lead performance marketing initiatives. Balancing visual language, narrative structure a...

As a Senior User Experience Designer, you determine the user experience of our clients’ digital products. You have acute self-awareness and deep empathy for both the customer and our clients' goals. O...

As an Account Manager at Critical Mass, you are a key partner to both clients and colleagues, playing an essential role in managing day-to-day business needs, driving projects forward, and building st...

The Content Author (CA) is responsible for creating, editing and tracking down the content within a CMS environment, which also implies interacting with majority of stakeholders in a project. As a CMS...

The Junior Content Author (JCA) is the most junior position for combined front-end work. As such, an JCA is responsible for completing content management tasks under supervision. A JCA must be capable...

Marketing Science Analyst As an Analyst, your curiosity never ends. The next question is always on your mind, helping you to understand how marketing science fits in the big picture of a project. Yo...

WHO WE ARE: We are RAPP – world leaders in activating growth with precision and empathy at scale. As a global, next-generation precision marketing agency, we leverage data, creativity, technology, ...

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 other...

Critical Mass is hiring a self-motivated and resourceful Financial Analyst to join our dynamic team. In this contract role, you’ll play a pivotal part in supporting our defined account teams and expan...

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 re...

As a Data Engineer, you bring a strong technical curiosity and a focus on building scalable, reliable data systems. With 3–5 years of experience, you design and maintain data pipelines, models, and in...

As a Marketing Science Senior Analyst, your curiosity never ends. The next question is always on your mind, helping you demonstrate the value of marketing science to internal and external stakeholders...

As a Lead User Experience (UX) Designer in our London, UK office, you help determine the experience architecture of our clients’ digital products. Combining stellar UX and analytical skills, you take ...

Role Overview As a Marketing Science Senior Analyst, With 3-5 years of experience you will co-lead the design and execution of measurement strategies, advanced analytics, and content intelligence pro...

Marketing Science Analyst – Media Marketing Science (B2B Focus) Role Overview As a Marketing Science Analyst, you will support the design and execution of measurement strategies, analytics, and cont...

As a Marketing Science Associate Analyst, your curiosity never ends. The next question is always on your mind, helping you to understand how data science fits in the big picture of a project. Of the f...

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 re...

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 re...

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 re...

As a Copywriter, you are a short storyteller who loves to collaborate with creatives and strategists to bring a digital voice to life. You’ve got the basics of site copy, banner ads and direct e-mails...

As a Copywriter, you are a short storyteller who loves to collaborate with creatives and strategists to bring a digital voice to life. You’ve got the basics of site copy, banner ads and direct e-mails...

As an Associate Design Director, you bring a strong creative ​opinion, informed by strategy and past results to lead performance marketing initiatives. Balancing visual language, narrative structure a...

As an Associate Design Director, you bring a strong creative ​opinion, informed by strategy and past results to lead performance marketing initiatives. Balancing visual language, narrative structure a...

As an Associate Design Director, you bring a strong creative ​opinion, informed by strategy and past results to lead performance marketing initiatives. Balancing visual language, narrative structure a...

We are looking for someone with a wide range of creative skills and an inclination to experiment with new ideas with some of the biggest brands in the world. All the content you will create in this ro...