Job Description

We are seeking an experienced Enterprise Architect to lead the technology architecture across our e-commerce, digital,dataand customer platformsduring a period of significant growth.

Our ambition is to double online revenue within five years, requiring a scalable,secure,resilientandperformanttechnology ecosystem that supportscommerce at scale,rapid innovation, exceptional customer experiences,data driven insight,and operational excellence.

This role will define and lead the end-to-end technology strategy across digital commerce, data analytics, CRM, loyalty,marketingand workflowplatforms, ensuring the architecture enablesrevenuegrowth, personalisation, and efficient operations at scale.

TheLeadArchitect will work closely with engineering, product, data,operationsand commercial leaders to ensure technology investments deliver measurable business outcomes.

Key Responsibilities

Technology Strategy & Enterprise Architecture

• Define and own the enterprise architecture strategy for digital commerce, customerplatformsand data ecosystems

• Develop a target-state architecture and multi-year technology roadmapaligned to the company’s revenue growth ambitions.

• Ensure the technology landscape supports scalability, resilience and performance at significantly increased traffic and transaction volumes

• Establish architectural principles across cloud infrastructure, integration, data platforms, security and composable commerce

Digital Commerce & Customer Platforms

Lead architecture across the full customer and commerce ecosystem, including:

• Digital storefronts and experience platforms

• Commerce platforms and checkout systems

• Order management and fulfilment platforms

• Product information management and content platforms

• Payments,fraudand identity services

• CRM and customer engagement platforms

• Loyalty and customer value programmes

• Marketing technology and personalisation tools

Ensure the architecture enables:

• Omnichannel retail experiences (click & collect, ship-from-store, endless aisle)

• Marketplace and partner integrations

• Rapid experimentation and feature delivery

• Personalised customer journeys across channels

Data, Analytics & Customer Insight

• Define the data architecture supporting digital,commercialand operational decision making

• Enable a modern data platformsupporting:

• Real-time and batch data processing

• Customer data platforms

• Advanced analytics and experimentation

• AI-driven personalisation and merchandising

• Ensure data architecture supports single customer view,segmentationand lifetime value management

• Partner with data leaders to embed data-driven decision making across digital,marketingand operations

CRM, Loyalty & Customer Engagement

• Define the architecture supporting customer relationship management and loyalty programmes

• Enable capabilities such as:

• Customer identity and profile management

• Loyalty and rewards platforms

• Campaign orchestration and marketing automation

• Personalised communications and offers

• Ensure customer data flows seamlessly across commerce, marketing,serviceand analytics platforms

Operational Excellence & Platform Efficiency

• Drive architecture that supports operational excellence across digital and retail operations

• Enable technologies that improve:

• Order fulfilment andlogisticsefficiency

• Inventory visibility across channels

• Automation of operational workflows

• Monitoring,observabilityand operational resilience

• Promote platform architectures that increase engineering productivity,reliabilityand costefficiency, where applicable, powered by AItooling

Engineering& Delivery Alignment

• Work closely with engineering and product teamsto ensure architecture is practical,scalableand aligned with agile delivery.

• Promote platform engineering, reusableservicesand automation

• Support the adoption of modern architecture patterns, including:

• API-first architectures

• Event-driven systems

• Microservices and composable platforms

• Cloud-native infrastructure

Architecture Governance

• Establish and lead architecture governance and design authorityacross digital,dataand customer platforms.

• Ensure alignment with enterprise standards for security, privacy, regulatorycomplianceand resilience

• Provide architectural oversight across transformation programmes and major technology investments.

• Enable theinnovation capability inexploring future-state architecture to support growthpilots

Stakeholder Leadership

• Act as a trusted advisor to executive leadershipon technology strategy.

• Partner with leaders across digital, marketing, data, operations,merchandisingand supply chain

• Translate complex technology decisions into clear business impact and commercial outcomes

Skills & Experience

Essential

• Extensive experience as an Enterprise Architect or Principal Architectin a large-scale retail, digital or e-commerce environment

• Proven experience designing enterprise technology architectures supporting high-volume digital commerce platforms

• Strong understanding of modern architecture patterns, including:

• Cloud-native architectures

• API-first and microservices

• Event-driven architectures

• Composable commerce ecosystems

• Experience designing architectures across:

• E-commerce platforms

• Data and analytics platforms

• CRM and marketing technologies

• Loyalty and customer engagement platforms

• Strong understanding of customer data,personalisationand marketing technologies

• Experience integrating digital platforms with ERP, OMS,PIMand supply chain systems

Desirable

• Experience leading major retail digital transformation programmes

• Experience with Salesforce Commerce Cloud

• Experiencewith cloud platforms (AWS,Azureor GCP)

• Experiencewith modern data platforms,CDPsand AI-driven analytics

Leadership & Behavioural Attributes

• Strategic thinker able to translate business growthobjectivesinto technology strategy

• Strong systems thinkerwith the ability to connect complex enterprise landscapes.

• Excellent communicator capable of influencing executive stakeholders and engineering teams

• Pragmatic architect balancing innovation with delivery reality

• Passion for customer experience, data-driven decision making and digital retail transformation

Success Measures

Success in this role will be measured by:

• Delivery of a scalable architecture supporting 2× e-commerce revenue growth

• Improved customer personalisation and engagement

• Increased data-driven decision making across digital and marketing

• More efficient and resilient digital and operational platforms

• Faster delivery of new digital capabilities and customer experiences

About Dentsu

Dentsu is an integrated growth and transformation partner to the world’s leading organisations. Founded in 1901 in Tokyo, Japan, and now operating in approximately 120 countries and regions, we bring together the power of a global network of leadership brands to deliver impactful, end-to-end growth solutions.

Through our client promise, Innovating to Impact, we drive growth through integrated services across Media, Customer Experience Management (CXM), and Creative. Our business transformation (BX) mindset, combined with a focus on experience transformation (EX), drives sustainable growth for brands, people, and society.

Our commitment to innovation, collaboration, and diversity enables us to continuously evolve, pushing boundaries while delivering measurable impact in a fast-changing world.

Inclusion and Diversity

At Dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities.

We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.

We recognize the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us at accommodations@dentsu.com, quoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience.

#LI-Hybrid #LI-Dentsu

Location:

London

Brand:

Merkle

Time Type:

Full time

Contract Type:

Permanent