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 (designers, marketers).

Understanding of email marketing best practices and campaign objectives.

Excellent communication skills and ability to explain technical limitations to non-technical stakeholders.

Proficiency in French (written and spoken); knowledge of Flemish/Dutch is a plus.

Positive attitude, proactive mindset, and strong interpersonal skills.

Portfolio demonstrating previous email projects and responsive email solutions.

Req ID: 19022

Our values shape everything we do:

Be Ambitious to succeed 

Be Imaginative to push the boundaries of what’s possible 

Be Inspirational to do groundbreaking work 

Be always learning and listening to understand 

Be Results-focused to exceed expectations 

Be actively pro-inclusive and anti-racist across our community, clients and creations 

Our recruitment process does not employ artificial intelligence for selection. We use AI to support efficiency and consistency, not to replace human judgement. Candidate evaluation and selection are conducted without AI-supported screening or decision-making. We are committed to a fair, thoughtful, and equitable experience for every candidate.

OLIVER, a part of the Brandtech Group, is an equal opportunity employer committed to creating an inclusive working environment where all employees are encouraged to reach their full potential, and individual differences are valued and respected. All applicants shall be considered for employment without regard to race, ethnicity, religion, gender, sexual orientation, gender identity, age, neurodivergence, disability status, or any other characteristic protected by local laws. 

 OLIVER has set ambitious environmental goals around sustainability, with science-based emissions reduction targets. Collectively, we work towards our mission, embedding sustainability into every department and through every stage of the project lifecycle.

OLIVER Agency

HTML Developer

About the Job

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About the Company

OLIVER Agency

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