As a Quality Control Specialist, you will play a critical role in ensuring the accuracy, consistency, and overall quality of creative and digital deliverables across multiple channels. Acting as the final quality gate before release, you will collaborate closely with Producers, Designers, Production Artists, Developers, and Creative Teams to identify defects, mitigate risks, and ensure all assets meet established quality standards, client requirements, and technical specifications. This role requires a highly detail-oriented professional with a strong understanding of design fundamentals, digital production workflows, and quality assurance methodologies. You will review a wide range of deliverables including static creatives, video assets, HTML emails, display banners, websites, mobile experiences, and other digital products. Success in this role requires critical thinking, strong communication skills, adaptability, and a continuous learning mindset in a fast-paced production environment. This position requires full on-site attendance, five days per week, at the Barreal office (Heredia, Zona Franca Metropolitana) from 9:00 am to 6:00 pm (CR time)  You Will: * Perform comprehensive quality reviews of creative and digital deliverables, ensuring accuracy, consistency, and compliance with brand, client, and technical requirements. * Identify, document, and communicate visual, content, functional, and technical defects through clear, actionable feedback and reporting. * Validate assets across multiple formats, including static creatives, video, HTML banners, emails, websites, and digital experiences prior to release. * Collaborate closely with Producers, Designers, Developers, and cross-functional teams to resolve quality issues and mitigate delivery risks. * Execute established quality control processes, maintain project documentation, and contribute to continuous improvement initiatives that enhance production quality and efficiency. You Have * Advanced English level (B2+/C1 reading, writing, and conversation); * 3+ years of experience in Quality Control (QC), Quality Assurance (QA), Creative Production Review, Digital Production, or related fields. * Strong communication skills * Experience reviewing and validating creative assets across digital, video, print, social media, and interactive formats, with exceptional attention to detail * Strong understanding of design fundamentals, including typography, layout, color, spacing, visual hierarchy, and overall creative quality standards. * Knowledge of QA/QC methodologies, defect management, testing processes, and creative asset specifications, including file formats, export settings, and delivery requirements. * Familiary with Adobe Creative Cloud and Figma, combined with strong organizational, communication, problem-solving, and cross-functional collaboration skills in fast-paced production environments. Nice to Have * Bachelor's degree in design * Experience with Central or similar workflow management platforms. * Experience creating Test Plans, Test Cases, and executing User Acceptance Testing (UAT). * Basic understanding of HTML, CSS, web technologies, and accessibility standards (WCAG). * Experience with defect tracking tools and Agile/Scrum methodologies. What We Offer * Maternity and parental leave extra days * Competitive benefits packages * Vacation, compassionate leave, sick days, and flex days * Access to online services for families and new parents * Diversity and Inclusion Board with 12 affinity groups * Internal learning and development programs * Enterprise-wide employee discounts * And more… At Critical Mass, we value our employees and offer competitive compensation and benefits packages. If you’re looking for a challenging and rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today! The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible! Our new hires & employees are the future of our organization, and we want to set you up for long-term success. Critical Mass is an equal opportunity employer. Critical Mass uses artificial intelligence in our recruitment process to enhance job postings, filter keywords during the review of prospective candidates, and, in some cases, transcribe interviews with our recruiters. Human review remains central to the process, and all hiring decisions are ultimately made by our team. The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. 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. If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html If U.K. based: https://www.gov.uk/consumer-protection-rights If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx

Quality Control Specialist (Onsite - Creative)

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