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MOBKOI is a fast-growing mobile company headquartered in London, with offices across central Europe, US and Asia. We use the latest in mobile ad technology to help premium brands effectively reach and engage with their clients' audiences. 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 &amp; 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 &amp; 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

Junior Digital Designer

MOBKOI is a fast-growing mobile company headquartered in London, with offices across central Europe, US and Asia. We use the latest in mobile ad technology to help premium brands effectively reach and engage with their clients' audiences.&nbsp; 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 &amp; Mr Jones, working with partners developing the best technology across the globe. ROLE OVERVIEW As a Head of Technical Account Management (with leadership responsibilities), you will oversee a team responsible for the technical integration and operational excellence of Mobkoi’s publisher partnerships. This includes direct involvement in tag-based and Prebid.js integrations, server-to-server connections, and the resolution of complex technical issues impacting ad delivery and monetization, along with partnering with campaign managers and traders to ensure a seamless demand connectivity. The role provides end-to-end accountability across the delivery pipeline. You will play a central role at the intersection of AdOps, engineering, and commercial teams, ensuring Mobkoi's premium creatives are accurately delivered and tracked across programmatic supply paths. The role requires deep technical knowledge of the adtech ecosystem, strong stakeholder communication skills (internal and external), and the ability to build durable relationships with publishers, balancing technical KPIs with mutual business goals. This position combines hands-on technical troubleshooting and strategic account leadership.&nbsp; You will: Lead and develop a team with 3 direct reports supporting publisher integrations and programmatic setup. Collaborate with Publisher Managers and Business Developers to strengthen and expand technical partnerships. Drive the quality of integrations and delivery pipelines through proactive debugging, configuration support, and technical enablement. Represent Mobkoi’s technical voice when discussing monetization KPIs and optimization strategies with publishers. Key Responsibilities: Publisher Integrations: Oversee setup and QA of tags, Prebid.js modules, and Prebid Server connections. Lead debugging sessions using browser dev tools (Chrome DevTools, network tracing, console logs) to diagnose issues across creatives, tracking, and rendering. Technical Relationship Mgmt: Act as the primary technical point of contact for publishers.&nbsp; Guide integration strategy and improvements.&nbsp; Co-own technical KPIs with Publisher Managers (latency, viewability, fill rate, etc.). AdOps &amp; Programmatic Support: Ensure seamless campaign setup across SSPs and DSPs.&nbsp; Manage deal IDs, targeting parameters, and tracking requirements. Provide support to Campaign Operations for technical delivery issues. Team Leadership: Manage, mentor and grow a team of Technical Account Managers.&nbsp; Promote cross-functional collaboration with Product, Engineering, and Commercial teams. Internal Enablement: Document best practices and reusable integration frameworks. Identify and escalate systemic issues and propose scalable fixes. Skills and Qualifications: 5+ years in technical ad operations, publisher integrations, or similar roles. Proven ability to lead client-facing technical teams. Deep understanding of publisher monetization models, Prebid.js, header bidding,SSPs/DSPs, VAST/VPAID, ... Proficient with Chrome DevTools and other debugging tools. Ability to independently conduct data investigations using SQL-based query engines. Familiarity with HTML/JS, tag management, and programmatic deal structures. Able to translate complex technical issues to non-technical stakeholders. Comfortable negotiating or discussing technical outcomes with external partners. Able to define team goals and proactively improve service delivery. Operates with a partnership mindset, balancing performance and relationship health. BEHAVIOURS This is a high-impact role within a growing and technically ambitious organisation. At Mobkoi, you’ll collaborate with teams across creative, media, and engineering to shape the future of premium digital advertising. You’ll have the opportunity to: Work with cutting-edge creative formats and advanced integration strategies. Influence publisher monetization strategies while upholding high user experience standards. Join a multicultural, collaborative, and fast-paced environment that values initiative and innovation. 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 Mobkoi is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. LOCATION&nbsp; London - Hybrid - 3 days in office&nbsp; &nbsp; LANGUAGE English You may have experience of the following: Director of Technical Account Management, Head of AdTech Operations, Head of Publisher Technology, Director of Ad Operations (Programmatic), Head of Publisher Integrations, Director of Technical Partnerships, Head of Programmatic Operations, Technical Operations Lead, Head of Monetization Technology, Director of Supply-Side Operations, Head of Ad Platform Integrations, AdTech Solutions Director, Programmatic Technical Lead. REF-227 889

Head of Technical Account Management

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