HTML developer (Flemish & French)

Established in 2004, OLIVER is the world’s first and only specialist in designing, building, and running bespoke in-house agencies and marketing ecosystems for brands. We partner with over 300 clients in 40+ countries and counting. Our unique model drives creativity and efficiency, allowing us to deliver tailored solutions that resonate deeply with audiences. As a part of The Brandtech Group , we're at the forefront of leveraging cutting-edge AI technology to revolutionise how we create and deliver work. Our AI solutions enhance efficiency, spark creativity, and drive insightful decision-making, empowering our teams to produce innovative and impactful results. Location: Asse, Belgium Asse is a town just northwest of Brussels, only 12-14 km away, with fast train and road connections. It’s effectively part of the greater Brussels commuting area. About the role: OLIVER France is strengthening its team for one of its key clients, a leading international retail and consumer goods company based in Brussels. The HTML Developer (M/F) will be responsible for designing and developing high-quality HTML email newsletters and digital communications for the client. As a specialist in responsive email development, they will create technically sound, visually compelling, and conversion-optimized email templates that align with brand guidelines and deliverability best practices. Working closely with the Digital Designer, the HTML Developer will ensure all email communications are pixel-perfect, accessible, and perform excellently across all devices and email clients. What you will be doing: • Design and code responsive HTML email templates from design briefs, ensuring mobile-first approach and cross-client compatibility. • Develop custom HTML/CSS email solutions tailored to specific campaign requirements and brand specifications. • Create and maintain a library of reusable email templates and components for efficient campaign production. • Ensure all emails are optimized for mobile devices, with testing across major email clients (Outlook, Gmail, Apple Mail, etc.). • Implement best practices for email accessibility, including proper alt text, semantic HTML, and WCAG compliance. • Collaborate with designers to translate visual mockups into clean, functional HTML/CSS code. • Test emails thoroughly using specialized email testing tools to identify and resolve rendering issues. • Optimize images and assets for email performance without compromising visual quality. • Stay current with email development trends, emerging platforms, and industry best practices. • Manage multiple projects simultaneously while maintaining quality and meeting strict deadlines. • Provide technical guidance and support to marketing teams regarding email capabilities and limitations. What you need to be great in this role: Skills & Experience • 3-5 years of hands-on experience in HTML email development. • Advanced proficiency in HTML and CSS, with deep understanding of email-specific coding constraints and best practices. • Familiarity with AI-powered automation tools and code generation assistants to streamline development workflows and improve productivity. • Demonstrated experience building responsive, mobile-first email templates. • Proficiency with email testing and QA tools (Email on Acid, Litmus, or equivalent). • Solid understanding of responsive design principles and media queries for email. • Experience with image optimization and asset management for email. • Familiarity with accessibility standards and inclusive email design. • Strong attention to detail and commitment to pixel-perfect execution. • Ability to work efficiently under tight deadlines while managing multiple campaigns. • Experience collaborating with cross-functional teams