Digital Developer

The Digital Developer will be responsible for building, testing, and deploying HTML5 banners, Emailers, Interactive presentations (IVAs), rich media display assets, and responsive email templates for digital marketing campaigns. The role requires hands-on expertise in front-end coding, optimization, QA, and troubleshooting across devices, browsers, email clients, and ad-serving environments. The ideal candidate should be comfortable working in a fast-paced agency or production environment, handling multiple deliverables, and collaborating with cross-functional teams to ensure timely and accurate execution. Banner Development Develop HTML5 banners, i.e. static, animated, expandable, etc. animated display ads, and rich media assets as per campaign requirements. Create banner variations across multiple sizes, for multiple devises and formats while maintaining consistency in design and functionality. Image optimisation for the web hosting of the banners. Ensure banners are optimized for performance, load time, and platform specifications. Implement click tags, tracking pixels, third-party tags, and ad-server requirements. Conduct testing and troubleshooting across browsers, devices, and ad platforms. Email Development Build and code responsive HTML email templates and Veeva CRM/generic email campaign assets. Ensure compatibility across major email clients including Outlook, Gmail, Apple Mail, and mobile email applications. Follow email best practices for rendering, responsiveness, accessibility, and deliverability. Work with modular email systems and reusable components where applicable. Support dynamic content implementation and personalization logic when required. Interactive Presentation Development Build and code responsive Interactive Presentations, using HTML, CSS, jQuery, Java Scripting for Veeva CRM, Mobile Intelligence, CLM tools. Ensure compatibility across major CRM clients including Veeva CRM, Mobile Intelligence, any other CRMs. Follow best practices for rendering, responsiveness, interactivity, accessibility, User friendly and deliverability. Work with modular content systems and reusable components where applicable. Support dynamic content implementation and personalization logic when required. Production & Quality Assurance Perform end-to-end QA for banners and emails before release. Validate assets against creative layouts, briefs, and technical specifications. Troubleshoot coding issues, rendering inconsistencies, and deployment errors. Maintain organized file structures, version control, and documentation for development assets. Work within deadlines while managing multiple concurrent deliverables. Collaboration Partner with designers, copywriters, account teams, project managers, and production stakeholders. Translate creative files into production-ready digital assets with pixel accuracy. Provide technical recommendations during project planning and execution. Support revisions and updates based on stakeholder and campaign feedback. Required Skills & Qualifications 3–5 years of experience in digital production, banner development, and email development. Strong proficiency in HTML5, CSS3, and basic jQuery, JavaScript. Hands-on experience in developing responsive email templates, HTML Banners, Interactive Presentation for iPad using safe, best and standard coding practices. Knowledge of Digital banner ad specifications, ad-serving standards, and platform guidelines. Experience with cross-browser and cross-email-client testing. Familiarity with tools/platforms used for Production, QA and deployment in digital production workflows. Understanding of file size optimization, image compression, and performance best practices. Strong attention to detail and quality. Good communication and collaboration skills. Ability to manage priorities in a deadline-driven environment. Preferred Qualifications Experience working in an agency, production studio, or marketing services environment. Veeva certified in Email and CRM. Exposure to dynamic creative optimization (DCO) or personalized email development. Familiarity with Adobe Creative Suite, Figma, or similar design handoff tools. Working knowledge of AMPscript, Handlebars, or similar templating/personalization technologies is a plus. Understanding of accessibility standards for email and digital advertising assets. Basic knowledge of analytics tags and campaign tracking implementation. Contract Type : Permanent Here at Havas across the group we pride ourselves on being committed to offering equal opportunities to all potential employees and have zero tolerance for discrimination. We are an equal opportunity employer and welcome applicants irrespective of age, sex, race, ethnicity, disability and other factors that have no bearing on an individual’s ability to perform their job. If you don't find a suitable opening on our Career Site, don't worry! You can still send your resume to us. Please go to Consider me for Future Openings. About Us Founded in 1835 by Charles-Louis Havas, Havas is one of the world’s largest global communications groups, with more than 23,000 people in over 100 countries sharing one single mission: to make a meaningful difference to brands, businesses, and people. Havas has developed a fully integrated model covering all communications activities. The teams of the three business units, Creative, Media and Health & You, work together with agility and in perfect synergy to offer clients tailor-made, meaningful, innovative and entertainment-oriented solutions that support them in their positive transformation. Life at Havas We take great pride in our Havas family. They bring many unique personalities, perspectives and passions to their work. Collaboration is at the core of how we operate, and Havas Villages are the homes we work in. We encourage our people to take advantage of our many opportunities to learn and grow. Through local agency training sessions, our unique global and development programs, we offer our people endless opportunities to explore. Havas Creative Network At Havas, we believe creativity isn’t just a description of our business, it is part of our agencies’ DNA. We bring together some of the industry’s most creative and accomplished agencies. By combining creative expertise with the strategic and innovative power of our Villages, we can build seamless teams around the individual needs of each of our clients. Havas Media Network We create the best media experience, capitalizing on the most meaningful media to build more meaningful brands. We know how to connect a client with their target audience – in the context of where they are, through the content they pay attention to. We deliver this expertise through the Mx System, our global operating methodology and strategic planning process, that creates value for our clients by turning consumer intelligence into clear growth targets, aligning stakeholders and KPIs, and measuring the impact of media experiences. Havas Health Driven by human purpose and focused on the betterment of humanity through health, Havas Health & You leverages a global collection of experts and individuals to help people everywhere live healthier lives. With a spirit rooted in innovation, creativity, and education, we are dedicated to delivering consistent excellence and groundbreaking work.