Junior Digital Designer
Job description
Original text imported from Reed
Bringing to market the most selective site list of premium global and local publishers enabling brands to be selective of where their ads are going to run and thus ensuring brand safety.
MOBKOI prides itself on offering full transparency, bespoke creative builds and local market coordination. We are part of The Brandtech Group, formerly known as You & Mr Jones, working with partners developing the best technology across the globe.
ROLE OVERVIEW
As a Junior Digital Designer, you will apply your design foundations to create and deliver engaging digital concepts that meet a variety of client briefs and campaign objectives. Working closely with the Senior Creative Team, you will help bring creative ideas to life while developing a strong understanding of typography, layout, animation, and responsive design.
As part of the MOBKOI Creative Team, you will contribute to multiple campaigns simultaneously, ensuring all work is delivered to the high creative and technical standards expected of MOBKOI. You will balance creative excellence with performance, platform requirements, and technical constraints to produce impactful digital advertising experiences.
RESPONSIBILITIES
Campaign Production - Work closely with clients and campaign partners, as well as the Senior Creative Team, to design and build quality ads to the highest standard.
Collaborate with clients, campaign partners, and the Senior Creative Team to design and build high-quality digital advertising experiences.
Balance visual design, performance objectives, and technical or publisher requirements when developing creatives.
Manage your workload independently and deliver projects within agreed deadlines.
Execute campaign briefs to the highest quality standards.
Conduct quality assurance testing on approved creative assets and identify areas for improvement.
Learn to troubleshoot campaigns or creative issues across different platforms and environments.
Cross-department Assistance
Provide creative support and guidance to other MOBKOI departments.
Advise Sales and Account Management teams on budgets, production timelines, creative feasibility, and best practices.
Ensure internal processes and workflows are followed correctly across teams.
Develop strong design concepts, including demos and storyboards, and support sales pitches when required.
Work closely with operational teams to optimise creatives across publishers, devices, and environments.
Support the Senior Creative Team in both internal and client-facing meetings, progressively building confidence to manage client interactions independently.
KEY SKILLS & COMPETENCIES
1+ year of experience in digital design
Proficiency in Adobe Creative Suite — particularly Photoshop, After Effects, and Premiere Pro
Familiarity with HTML, CSS, and JavaScript (advanced coding skills are a plus)
Solid understanding of animation principles
Experience with digital advertising platforms (e.g. Celtra, Google Studio, Sizmek) is a plus
Basic video editing skills
Strong communication skills with the ability to listen, present ideas clearly, and collaborate effectively
Ability to work both independently and within a collaborative team environment
Strong attention to detail and excellent organisational skills
A proactive mindset with a commitment to exceeding client expectations
Excellent written and verbal communication skills
Ability to thrive in a fast-paced, startup-style environment
Experience with 3D modelling is a plus
BEHAVIOURS
This role operates in a fast-moving, high-standards environment and requires someone who is motivated to learn, take ownership, and deliver quality work. The role holder is expected to manage their time effectively, adapt to change, and contribute positively to team and business outcomes.
The role offers autonomy and is suited to someone who is comfortable balancing independent work with cross-functional collaboration.
What we’re looking for:
Motivation to contribute to the growth and success of the business
A proactive, adaptable mindset with the ability to learn quickly
Strong ownership and accountability for outcomes
Clear and professional communication with a range of stakeholders
LOCATION
London - Hybrid - 3 days in the office
LANGUAGE
English (Fluency in French or Italian a bonus)
You may have experience of the following: Junior Digital Designer, Junior Creative Designer, Digital Creative, Junior Motion Designer, Digital Advertising Designer, Multimedia Designer, Junior Visual Designer, Creative Technologist (Junior), Digital Campaign Designer, Junior Interactive Designer, or Junior UI/Motion Designer.
REF-228 227
Key skills
AI-extracted from the job advert
Application advice
5 AI-generated recommendations to maximise your chances.
⭐ Highlight your Adobe Creative Suite proficiency at the top of your CV, specifically mentioning Photoshop, After Effects, and Premiere Pro as these are explicitly required
📊 Quantify your design experience: '1+ year creating digital campaigns, delivered 15+ mobile ad creatives on schedule'
🎯 Emphasise any mobile advertising or responsive design experience as MOBKOI specialises in mobile ad technology
🌐 Showcase your ability to work with premium brands and publishers, as MOBKOI focuses on brand safety and selective publisher networks
🤝 Demonstrate your collaboration skills with cross-functional teams, as you'll work closely with Sales, Account Management, and Senior Creative Team
Suggested CV bullets
3 bullets our AI drafted for this specific advert, mirroring its ATS keywords.
Add these 3 bullets under your most recent experience:
- •Created 12+ responsive mobile ad campaigns using Adobe Creative Suite, achieving 95% client approval rate across premium publisher networks
- •Collaborated with 3-person Senior Creative Team to deliver digital advertising assets for global brands, meeting 100% of project deadlines
- •Conducted quality assurance testing on 25+ creative assets monthly, identifying technical issues and optimising performance across mobile platforms
Free to copy — tailoring requires a 30-sec CV upload.
Your cover letter is ready
We've drafted a cover letter for Mobkoi. Preview the opening, then unlock the full personalised version.
Letter preview — tailored to Mobkoi
Dear Hiring Manager,
Mobkoi's focus on mobile ad technology and premium brand partnerships aligns perfectly with my digital design background, particularly my proficiency in Adobe Creative Suite including Photoshop, After Effects, and Premiere Pro.
My background in digital design has equipped me with strong foundations in typography, layout, and animation, enabling me to create engaging campaigns that balance creative excellence with technical requirements. I understand the importance of brand safety and working with selective publisher networks to deliver impactful advertising experiences.
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Interview questions
10 questions generated from this advert.
Technical
- ›How would you approach creating a responsive mobile ad that works across different devices and screen sizes?
- ›Walk me through your process for creating an animated banner in After Effects for a premium brand campaign
- ›How do you ensure brand safety when designing creatives for multiple publishers?
- ›What's your approach to balancing creative excellence with technical constraints in digital advertising?
- ›How would you troubleshoot a creative asset that's not displaying correctly across different platforms?
Behavioural
- ›Tell me about a time when you had to manage multiple design projects simultaneously under tight deadlines
- ›Describe a situation where you had to collaborate with non-creative team members to deliver a project
- ›Give an example of when you received feedback on your creative work and how you incorporated it
- ›Tell me about a time when you had to learn a new design technique or software quickly for a project
- ›Describe a situation where you had to balance creative vision with client requirements or technical limitations
STAR answer examples
Model answers using the Situation-Task-Action-Result framework. Adapt to your own experience.
Tell me about a time when you had to manage multiple design projects simultaneously under tight deadlines
Describe a situation where you had to collaborate with non-creative team members to deliver a project