<p><span style="color: rgba(0, 0, 0, 0.6);">Critical Mass is a team of 1,800 inspired folks based in 12 offices around the world, providing full-service digital capabilities for the greatest brands on Earth. Our secret sauce is our uncompromising design standards, our relentless focus on customers, and an ability to put powerful new technologies to work for our clients. </span></p><p><br></p><p><span style="color: rgba(0, 0, 0, 0.6);">We work with the best—Apple, Nike, Mars Wrigley, Nissan, Diageo, Airbnb, BMW, BNY Mellon, Johnson &amp; Johnson, and many more—brands who strive for connected digital ecosystems and unparalleled experiences. We help them get there by gaining deep insight into their consumers and orchestrating data, AI, design, media, and tech stacks around human stories.</span></p><p><br></p><p><span style="color: rgba(0, 0, 0, 0.6);">We’re a global agency founded in Canada, but digital is our home. If you know us, then you know we’re a special, quirky place that attracts big talent and tiny egos. (We actually give out a “so f-n nice” award—lots of them). But just because we’re friendly doesn’t mean we’re not a force to be reckoned with. We’re driven. Relentless. And we live our values. We’re Critical Mass, but our friends call us CM. Please call us CM!</span></p>

Critical mass

Technology Director

VP, Media

Quality Control Lead

Marketing Science Director

Senior UX Copywriter

Quality Control Director

Art Director

Associate Paid Search Strategist

Associate, Integrated Investment

The Technology Director will lead Marketing Technology (MarTech) initiatives across EMEA. This role involves designing and delivering data-driven marketing solutions, fostering innovation, and driving collaboration. Key responsibilities include being a trusted advisor to clients, leading client engagements, developing strategic presentations, providing thought leadership on MarTech, and guiding technical content strategy across EMEA. The director will also mentor team members and support new business efforts. The role requires a blend of technical expertise, strategic thinking, and exceptional client service skills to ensure the successful delivery of MarTech solutions.

SVP, Strategy

<div><p>Critical Mass is seeking a&nbsp;Technology Director&nbsp;to provide leadership and direction for&nbsp;Marketing Technology (MarTech) initiatives across EMEA. This role is pivotal in&nbsp;designing and delivering impactful, data-driven marketing solutions, fostering innovation, and driving collaboration across disciplines.</p> <p>Based in&nbsp;London, UK, the&nbsp;Technology Director&nbsp;will be a&nbsp;client-facing leader, engaging directly with clients through&nbsp;pitches, workshops, and ongoing strategic meetings. This position requires a&nbsp;blend of hands-on technical expertise, strategic thinking, and exceptional client service skills&nbsp;to ensure the successful delivery of MarTech solutions.</p> <p>The Technology Director will work closely with&nbsp;Strategy, Creative, Marketing Science, Media, and Production teams&nbsp;to help clients leverage technology for&nbsp;personalized, cross-channel customer experiences.</p> <hr> <h2>Key Responsibilities</h2> <h3>MarTech Consulting &amp; Thought Leadership</h3> <ul> <li>Act as a&nbsp;trusted advisor&nbsp;for clients across EMEA, driving MarTech strategies aligned with their business goals.</li> <li>Lead&nbsp;client engagements, including pitches, workshops, and strategic meetings, representing the agency’s MarTech expertise.</li> <li>Develop and deliver compelling, strategic, and persuasive presentations&nbsp;that clearly communicate complex MarTech solutions.</li> <li>Provide&nbsp;thought leadership&nbsp;on how&nbsp;marketing technology&nbsp;can be leveraged to create&nbsp;personalized, cross-channel digital experiences.</li> <li>Quickly assess and pivot strategies when needed, making&nbsp;smart, informed decisions&nbsp;while ensuring alignment with client objectives.</li> <li>Join client meetings at a moment’s notice, demonstrating agility and deep industry knowledge to address challenges and opportunities in real time.</li> </ul> <h3>Technical Content Strategy &amp; Delivery</h3> <ul> <li>Serve as the&nbsp;subject matter expert (SME)&nbsp;on&nbsp;marketing technology platforms, data-driven solutions, and integration architectures.</li> <li>Lead the development of&nbsp;technical content, presentations, and documentation&nbsp;that supports both client engagements and internal knowledge-sharing efforts.</li> <li>Collaborate across disciplines&nbsp;to translate technical concepts into&nbsp;clear, actionable strategies&nbsp;for both technical and non-technical audiences.</li> <li>Stay informed about&nbsp;emerging technologies and trends&nbsp;to identify opportunities for innovation and advancement in MarTech solutions.</li> </ul> <h3>Regional Leadership &amp; Team Development</h3> <ul> <li>Guide the&nbsp;technical content strategy&nbsp;for MarTech initiatives across EMEA, ensuring alignment with global standards and practices.</li> <li>Mentor and develop&nbsp;team members, fostering a&nbsp;high-trust culture&nbsp;and guiding their professional growth.</li> <li>Facilitate&nbsp;knowledge sharing and communication&nbsp;across teams, connecting EMEA efforts with global counterparts.</li> </ul> <h3>Business Growth &amp; Innovation</h3> <ul> <li>Support&nbsp;new business efforts&nbsp;by contributing&nbsp;technical insights and MarTech expertise&nbsp;to pitches and proposals.</li> <li>Identify&nbsp;organic growth opportunities&nbsp;within existing client relationships.</li> <li>Explore&nbsp;new tools, data platforms, and technologies&nbsp;that can elevate the agency’s&nbsp;MarTech service offerings.</li> </ul> <h2>&nbsp;</h2> <h2>Required Qualifications</h2> <h3>Technical Expertise &amp; Content Development</h3> <ul> <li>Hands-on experience&nbsp;architecting and implementing marketing automation platforms&nbsp;and&nbsp;cross-channel personalization solutions.</li> <li>Strong understanding of&nbsp;MarTech platforms, data solutions (1st-party and 3rd-party), and their integrationinto broader marketing ecosystems.</li> <li>Proven ability to&nbsp;translate complex technical concepts into clear, compelling content&nbsp;for various audiences.</li> <li>Experience utilizing technologies such as Adobe Experience Manager (AEM), Sitecore, Drupal, WordPress, Adobe Commerce (Magneto), Salesforce, Shopify, Vercel, and React.&nbsp;</li> </ul> <h3>Consultative, Client-Facing Experience</h3> <ul> <li>Demonstrated ability to lead client engagements, including&nbsp;pitches, workshops, and stakeholder meetings.</li> <li>Exceptional ability to craft persuasive, strategic presentations&nbsp;that clearly convey complex MarTech solutions.</li> <li>Confidence to join client meetings on short notice, effectively responding to evolving needs with insightful recommendations.</li> <li>Strong client service skills, with the ability to&nbsp;navigate high-pressure situations, think on your feet, and pivot quickly&nbsp;when necessary.</li> </ul> <h3>Leadership &amp; Collaboration</h3> <ul> <li>Experience&nbsp;mentoring and leading teams, with a focus on&nbsp;collaboration and professional development.</li> <li>Ability to&nbsp;oversee multiple projects simultaneously&nbsp;while maintaining&nbsp;high-quality content and technical accuracy.</li> <li>Skilled in&nbsp;building strong relationships&nbsp;with Strategy, Media, Marketing Science, Creative, and Production teams.</li> </ul> <h3>Communication &amp; Decision-Making</h3> <ul> <li>Excellent verbal and written communication skills, with the ability to explain technical concepts to non-technical audiences.</li> <li>Quick decision-making skills, with the ability to assess situations rapidly and&nbsp;pivot as needed&nbsp;to ensure success.</li> </ul> <h2>&nbsp;</h2> <h2>Nice-to-Have Skills</h2> <ul> <li>Experience addressing&nbsp;data privacy concerns&nbsp;related to marketing technology solutions.</li> <li>Familiarity with&nbsp;high-scale content creation or automation processes.</li> <li>Knowledge of the&nbsp;EMEA market&nbsp;and its unique challenges/opportunities in marketing technology.</li> <li>Strong&nbsp;POV and experience with AI, and applications in MarTech.</li> </ul> <h2>&nbsp;</h2> <h2>Location</h2> <p>This role is based in&nbsp;London, UK, with the expectation of engaging directly with clients across&nbsp;EMEA&nbsp;and collaborating with teams in&nbsp;North America. The Technical Content Lead will work closely with both regional and global teams to ensure&nbsp;alignment and consistency&nbsp;in delivering MarTech solutions.</p> <h2>&nbsp;</h2> <h2>Why Join Us?</h2> <p>This is an exciting opportunity to lead&nbsp;technical content strategy&nbsp;for Marketing Technology efforts across EMEA. You’ll work with&nbsp;cutting-edge platforms and technologies, helping to&nbsp;shape the future of digital marketing. As a&nbsp;Technical Content Lead, you’ll play a key&nbsp;client-facing role, while fostering&nbsp;innovation and collaboration across teams. Join us to drive&nbsp;impactful MarTech solutions&nbsp;for&nbsp;global brands, all while advancing your career in a&nbsp;dynamic, entrepreneurial environment.</p></div><div><p><em>Critical Mass is an equal opportunity employer.&nbsp;</em></p> <p><em>The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com<span class="apple-converted-space">&nbsp;</span>and<span class="apple-converted-space">&nbsp;</span><a href="mailto:no-reply@us.greenhouse-mail.io">us.greenhouse-mail.io</a>.</em> <em>We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you.</em> <em>We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly. </em></p> <p><em>If U.S. based:<span class="apple-converted-space">&nbsp;</span><a href="https://www.consumer.ftc.gov/articles/job-scams#avoid">https://www.consumer.ftc.gov/articles/job-scams#avoid</a><br>If Canada based:<span class="apple-converted-space">&nbsp;</span><a href="https://www.canada.ca/en/services/finance/consumer-affairs.html">https://www.canada.ca/en/services/finance/consumer-affairs.html</a><br>If U.K. based:<span class="apple-converted-space">&nbsp;</span><a href="https://www.gov.uk/consumer-protection-rights">https://www.gov.uk/consumer-protection-rights</a><br>If Costa Rica based: <a href="https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx">https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx</a>&nbsp;<br></em></p></div>

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<p>- This assessment gives us an idea of your C++ skills<br>- Companies that evaluate this skillset in interviews: <strong>Rockstar Games, Ubisoft, Mayhem Studios, etc.</strong><br>- 10 Multiple Choice questions<br>- Average time to complete: <strong>7 to 10 minutes</strong></p>

<p>Let's assess your Data Structures! 📋<br>&nbsp;- This assessment gives us an idea of your problem solving skills using DSA<br>- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.<br>- 10 Multiple Choice questions<br>- Average time to complete: 7 to 10 minutes</p>

<p>Let's assess your Programming Patterns! 📋</p><p>- This assessment gives us an idea of your code architecture skills<br>- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.<br>- 10 Multiple Choice<strong> </strong>questions<br>- Average time to complete: 7<strong> </strong>to 10 minutes</p>

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<p>Let's assess your Unity Skills 📋<br><br>- This assessment gives us an idea of your Unity fundamentals<br>- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.<br>- 9 questions: 9 Multiple Choice<br>- Minimum score needed to qualify: 80%<br>- Average time to complete: 5 to 10 minutes</p>

Adyen

Engineering Manager - Test Enablement IPP (In-Person Payments)

Globalization Partners

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Bilingual Trade Issues

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Vercel

Mid Market Account Executive

As the Team Lead for the Testing Enablement team, the role involves leading the development and maintenance of automated testing frameworks and tools, particularly for Payment Terminals Firmware. The team will build solutions to empower other development teams to efficiently and reliably test the payment terminals. This includes driving innovation in testing practices, ensuring developers have the necessary tools, coordinating infrastructure changes, collaborating with the In-Person-Payments team to optimize the testing process, defining team vision and strategy, and ensuring the scalability and maintainability of the frameworks. The role emphasizes improving developer workflows and utilizing GenAI for testing and debugging purposes.

<p>Adyen is a technology company that provides a single platform to accept payments anywhere in the world through any sales channel. Driven by a vision to improve customer experience, streamline processes, and ultimately increase revenue, Adyen enables businesses to process payments across online, mobile, and Point-of-Sale (POS) with over 250 payment methods in 187 transaction currencies. Over 3,500 businesses use the Adyen payment platform, including Facebook, Airbnb, Spotify, Groupon, Evernote, Booking.com, Yelp, Vodafone, Mango, Abercrombie &amp; Fitch, O’Neill, and KLM. Adyen is headquartered in Amsterdam, with offices in San Francisco, São Paulo, Singapore, London, Paris, Berlin, Stockholm, Madrid, and Boston.</p><p><br></p>

Software Engineer (Java)

Software Engineer - Application Services

Implementation Manager

Integration Engineer

Implementation Engineer

Sales Development Representative

<div><p><strong>This is Adyen</strong></p> <p><span style="font-weight: 400;">Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&amp;M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition.&nbsp;</span></p> <p><span style="font-weight: 400;">For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster.</span></p> <p><strong>About the Role</strong></p> <p>As the Team Lead for our Testing Enablement team, you will champion developer experience by leading the development and maintenance of critical automated testing frameworks and tools. Your team of skilled developers will build solutions that empower other development teams to efficiently and reliably test our Payment Terminals Firmware. You will drive innovation and excellence in testing practices, ensuring our developers (and other stakeholders) have the tools they need to succeed.</p> <p><strong>What You'll Do</strong></p> <ul> <li>Lead the development and maintenance of automated testing frameworks (e2e) to be used in particular with Android-based payment terminals and mobile devices</li> <li>Drive the creation of new tooling for improved testing efficiency, coverage, and debugging capabilities (auto coverage analysis, auto test generation, etc.).</li> <li>Coordinate infrastructure changes and automation with various internal stakeholders</li> <li>Collaborate closely with developers on the In-Person-Payments team to understand and optimize the automated testing process, focusing on DevEx.</li> <li>Define and communicate the team's vision and strategy, aligning with organizational goals.</li> <li>Ensure the team's frameworks are scalable and maintainable.</li> </ul> <p><strong>Who You Are</strong></p> <ul> <li>Experienced with Kotlin/Java (5+ years) and preferably Android testing tooling</li> <li>Proven experience leading and managing engineering teams (a focus on developer tooling and DevEx is a plus)</li> <li>Passionate about testing, reliability, and automation, with a focus on improving developer workflows.</li> <li>Passionate about developing and maintaining automated testing frameworks.</li> <li>Have a good understanding of CI/CD pipelines and tools (e.g., Gitlab, CI, Gradle).</li> <li>Interested in using GenAI to solve practical issues related with testing/debugging (auto log analysis, test coverage analysis, etc.). Direct experience is a plus.</li> <li>Strong communication and problem-solving skills.</li> <li>Strategic thinker with the ability to translate developer needs into effective technical solutions.</li> <li>You embody the Adyen Formula: open-minded, proactive, and focused on making things work while keeping the bigger picture in mind.</li> </ul> <p><strong>Our Diversity, Equity and Inclusion commitments&nbsp;</strong></p> <p><span style="font-weight: 400;">Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen.&nbsp;</span></p> <p><span style="font-weight: 400;">Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application!</span></p> <p><strong>What’s next?</strong></p> <p><span style="font-weight: 400;">Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. </span><a href="https://careers.adyen.com/how-we-hire"><span style="font-weight: 400;">Learn more about our hiring process here</span></a><span style="font-weight: 400;">. Don’t be afraid to let us know if you need more flexibility.</span></p> <p>&nbsp;</p> <p>This role is based out of our Amsterdam office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.</p> <p>&nbsp;</p></div>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.