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. 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. 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!

Critical mass

Senior Account Manager

Lead User Experience Designer

Freelance Associate Creative Director

Director of User Experience, Contract

Design Intern

Director of User Experience

Critical Mass is seeking a Senior Account Manager for ArtBot, a content orchestration platform combining creative and performance engineering with AI. This role involves managing a client portfolio, leading DCO campaigns, identifying growth opportunities, and overseeing financial aspects. The manager will also mentor a team and collaborate with internal departments to deliver innovative solutions and strategic insights, driving client success and business growth.

Critical Mass is hiring a Senior Account Manager to join our team on ArtBot! ArtBot is a next-generation content orchestration platform, combining creative and performance engineering with AI-driven technology to unlock automation and performance at scale. We specialize in data-driven, personalized creative across digital channels, helping clients realize the full value of Dynamic Creative Optimization (DCO).Join a dynamic team at the intersection of creative, media, and technology, where your strategic leadership directly shapes client success, team growth, and the future of content delivery.***<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">You Will:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Report directly to the Account Director and take full ownership of managing a portfolio of clients within a pod structure, building and nurturing trusted, high-impact relationships with clients across a diverse range of industry verticals.</li><li class="leading-relaxed">Lead the planning, execution, and optimization of DCO campaigns end-to-end, acting as the primary strategic partner and point of contact, ensuring seamless, timely, and high-quality project delivery from concept to completion</li><li class="leading-relaxed">Identify and develop growth opportunities and areas for process refinement within existing accounts that drive revenue and deepen client partnerships</li><li class="leading-relaxed">Own the commercial and financial aspects of your accounts, including SOW & PO management, budget oversight, financial forecasting, and ensuring profitable delivery of services</li><li class="leading-relaxed">Lead, mentor, and develop a team, fostering professional growth, delegating strategically, and building a high-performing account management function</li><li class="leading-relaxed">Collaborate strategically with internal teams—including activation, strategy, development, and design—to translate ambitious client objectives into clear, actionable deliverables and innovative solutions</li><li class="leading-relaxed">Analyze campaign performance data at a strategic level, identify optimization opportunities and market trends, and provide clients with forward-thinking insights and recommendations that drive measurable results</li><li class="leading-relaxed">Build strong stakeholder relationships at multiple levels within client organizations</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">You Have:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Minimum 3 or more years of proven experience as an Account Manager, Client Services Manager, Customer Success or similar client-facing roles within digital media, creative, technology, or advertising environments</li><li class="leading-relaxed">Minimum of 3-5 years of total industry experience demonstrating consistent progression</li><li class="leading-relaxed">Hands-on experience with Digital Creative Optimization (DCO) campaigns or deep grounding in the digital creative space. (Candidates with DCO knowledge without hands-on experience may be considered if otherwise exceptional and outcome-driven)</li><li class="leading-relaxed">Automotive digital advertising experience or familiarity with automotive verticals, considered a strong advantage</li><li class="leading-relaxed">Demonstrated success leading, mentoring, and developing junior team members, with the ability to delegate effectively and foster professional growth</li><li class="leading-relaxed">The capacity to quickly establish trust, rapport, and credibility with clients and internal stakeholders at all levels</li><li class="leading-relaxed">Proficiency with Microsoft Office suite, particularly presentations and slide building, with familiarity of industry tools such as DoubleClick Studio, Google Campaign Manager, Photoshop, Innovid, or Flashtalking a significant plus</li><li class="leading-relaxed">Analytical mindset with the ability to interpret campaign performance data, use pivot tables and analytics platforms, and translate insights into actionable strategy</li><li class="leading-relaxed">Exceptional organizational skills and attention to detail</li><li class="leading-relaxed">A collaborative, proactive, team-oriented approach with genuine comfort working cross-functionally with diverse internal teams</li><li class="leading-relaxed">High level of initiative, adaptability, and resilience in a fast-paced, evolving environment</li><li class="leading-relaxed">A genuine passion for building strong client relationships and delivering exceptional outcomes that drive business growth</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What We Offer:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Global maternity and parental leave</li><li class="leading-relaxed">Competitive benefits packages</li><li class="leading-relaxed">Vacation, compassionate leave, and sick days</li><li class="leading-relaxed">Access to online services for families and new parents</li><li class="leading-relaxed">Summer Fridays (off at 3:00 PM local time every Friday)</li><li class="leading-relaxed">Diversity and Inclusion Board with 12 affinity groups</li><li class="leading-relaxed">Internal learning and development programs</li><li class="leading-relaxed">Enterprise-wide employee discounts</li></ul>Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In effort to do so, we expect our team to work from an office a minimum of 3 days a week.We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Apply for this job</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">indicates a required field</li></ul>First Name*Last Name*Email*PhoneCountryPhoneLocation (City)*Locate meResume/CV*AttachAttachDropboxGoogle DriveEnter manuallyEnter manuallyAccepted file types: pdf, doc, docx, txt, rtfCover Letter*AttachAttachDropboxGoogle DriveEnter manuallyEnter manuallyAccepted file types: pdf, doc, docx, txt, rtf***How did you hear about this job?*Are you legally authorized to work in the United States?*Select...Do you need sponsorship now or in the future?*Select...If you will need sponsorship, please explain.Where are you permanently located? (City and State please)*Do you currently work for an Omnicom agency?Select...What company do you currently work for?*Are you available to work in our New York office 3 days per week?*Select...Do you have experience with Dynamic Creative Optimization?*Select...Briefly describe your experience with DCO*LinkedIn URL****<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Inclusion & Impact</h3>We invite applicants to share their demographic background. If you choose to complete this survey, your responses may be used to identify areas of improvement in our hiring process.Do you have a disability or chronic condition (physical, visual, auditory, cognitive, mental, emotional, or other) that substantially limits one or more of your major life activities, including mobility, communication, and learning?Select...Are you a veteran or active member of the United States Armed Forces?Select...Submit application

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Workday Financials Specialist

Performance Engineer

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Vendavo is seeking a Software Architect to join its growing engineering team in Bengaluru. This role involves defining and owning the technical roadmap, designing scalable microservices architectures using event-driven patterns, and leading the transformation from monolithic systems to cloud-native services. The architect will also be responsible for hands-on development in Node.js and Python, optimizing ETL pipelines, and mentoring junior engineers. The position requires deep expertise in modern backend technologies and a commitment to engineering excellence.

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Strategic Solutions Director (Remote)

Principal Technical Solutions Consultant (Remote)

Account Executive (Remote)

Sales Development Representative (Remote)

Senior Software Quality Engineer (Java)

We’re a growing team, and as we scale, so does our need to expand our engineering team. You’ll be joining a people-focused company, and as a Software Architect. This role offers the opportunity to influence, improve architecture and engineering practices, and shape the future of a core Vendavo product while working on both modern technologies and robust services.<h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">THE OPPORTUNITY</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Architecture & Technical Leadership</li><li class="leading-relaxed">Define and own the technical roadmap for the platform, aligning architecture decisions with business objectives and product strategy.</li><li class="leading-relaxed">Design scalable, resilient microservices architectures using event-driven patterns (Event Sourcing, CQRS), message brokers (Kafka, Kinesis, SQS), and Data Mesh principles.</li><li class="leading-relaxed">Champion event-driven development practices across teams, designing domain events, event schemas, pub/sub topologies, and asynchronous communication patterns for loosely 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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

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Senior Account Manager

Lead User Experience Designer

Lead User Experience Designer

Freelance Associate Creative Director

Director of User Experience, Contract

Director of User Experience, Contract

Design Intern

Director of User Experience

Director of User Experience

Job Details