Digital Developer

Digital Developer 

We are searching for a talented and creative Digital Developer to join our growing team.

As the technical lead in the Creative team, your main responsibility will be to help develop and implement high-quality, interactive display creatives for our digital advertising campaigns. We work across a wide variety of campaign executions that can include gamification features, complex interactivity and dynamic creative optimisation to name a few.   

You will report to the Director of Creative Services and work closely with the designers to bring creative concepts to life across various ad platforms so time management and communication is of importance.

Responsibilities

• Collaborate with designers to translate creative concepts into functional and visually appealing display creatives (banners, rich media, interstitials, etc.)
• Develop and implement interactive elements within display creatives using HTML5, CSS3, and JavaScript (jQuery or similar framework preferred).
• Ensure cross-browser compatibility and responsiveness of display creatives across various devices (desktop, mobile, tablet).
• Optimize display creatives for fast loading times and efficient performance.
• Assist with A/B testing of different creative variations to optimize campaign performance.
• Stay up-to-date on the latest trends and technologies in display advertising and development.
• Maintain and troubleshoot existing display creatives as needed.
• May be involved in some basic graphic design tasks (e.g., banner resizing) to support the creative team.
• There may be the need to support the Marketing team with front-end tasks on the Blis.com site.

Skills and requirements 

• Minimum 2-3 years of experience as a Digital Developer or similar role.

• Strong proficiency in HTML5, CSS3, and JavaScript (jQuery or similar framework preferred).

• Experience with various ad serving platforms (Celtra, DoubleClick Studio, Google Campaign Manager, etc.) a plus.

• Experience with Amazon Web Services AWS

• Familiarity with backend programming languages like Python and C#

• Understanding of responsive web design principles.

• Excellent communication and collaboration skills.

• Ability to work independently and manage multiple projects simultaneously.

• Strong attention to detail and a commitment to quality.

• Experience with basic animation techniques (e.g., CSS animations, basic SVG animation) a plus.

• Experience working in a fast-paced and agile environment.

• Familiarity with basic design principles and software (e.g., Photoshop, Illustrator) a plus.

About us

Blis is the audience-first platform that doesn't rely on personal data. We’re an integrated planning and buying platform that delivers scaled, relevant and high-performing audiences, helping the world’s largest brands and media agencies achieve their goals.

Over the past 19 years, Blis has built its reputation on delivering award-winning location-powered advertising solutions. In today’s consumer-centric landscape, Blis is transforming the role of location data by combining it with a broad range of rich and powerful datasets to give our clients the deepest audience understanding available. Our unique approach to integrated planning and buying provides personalised targeting and performance without reliance on personal data. We serve relevant ads to the highest-value addressable audiences across any channel and deliver our clients’ campaign outcomes every time, from brand awareness and engagement through to store/site visits and sales. 

Established in the UK in 2004, Blis now operates in more than 40 offices across five continents. Working with the world’s largest and most customer-driven companies across all verticals including Unilever, Samsung, McDonald's, HSBC, Mercedes Benz and Peugeot, as well as every major media agency.

At Blis our vision is to be the undisputed leader in location-powered advertising and analytics. We believe that values create behaviours and behaviours create a culture. Our company values are a huge part of our DNA. We are fully committed to creating a powerful culture of inclusivity and belonging that embraces diversity, encourages people to bring their authentic selves to work, educates everyone at Blis about matters of equality and engages with the wider industry community to drive social change.

As an equal opportunity employer, we treat all our employees and job applicants fairly and equally. We oppose all forms of unlawful and unfair discrimination and take all reasonable steps to create a work environment in which all employees are treated with respect and dignity. We don't condone or tolerate any form of harassment, by employees or by others who do business with us.

Our values

Brave

We're leaders not followers

An innovation and growth mindset helps us solve everyday challenges and achieve breakthroughs. Our passion drives
us to innovate. We don’t see barriers, just possibilities.
We take ownership and hold ourselves accountable for outcomes, good and bad – and we don’t pass the buck.

Love our   clients

We're client obsessed

We do what we say and build trusted relationships with our partners for the long term. We act with integrity. We put our clients at the centre of our business. We obsess over the best insights, ideas and solutions to deliver WOW and work with honesty and accountability to get it done.

Inclusive

We're one team

We are empathetic and embrace diversity. Everyone has
a voice and can bring their authentic self to work. We care
about and support each other – with humility and good
humour. Mutual respect and wellbeing are key. We strive
to eliminate bias and be open and transparent.

Solutions  driven

We're action oriented

Speed matters in business, so we're solution-driven and
action-oriented. We value simplification and calculated risk taking. We are lean, agile and resourceful self-starters.
We collaborate and break silos, working thoughtfully and
with urgency to solve problems, while learning from mistakes
and celebrating wins.