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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Commerce Solutions Architect - **Company:** Dentsu - **Location:** Laza, Spain - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Amazon Cloudfront, Databases, Customer Data Management, Amazon DynamoDB, NoSQL, Payment Gateway, PCI Data Security Standards, Redis, Next.js, Shopify, Software Engineering, Transaction Processing (Computing), Autoscaling, ReactJS, Amazon ElastiCache, System Availability, Caching, Magento, Cloudformation, Vue.js, Servicebus, Event Driven Architecture, Adobe, Containerization, Stripe, Kubernetes, Apache Kafka, Graphql, Front End Software Development, Functional Programming, Api Design, Api Gateway, Amazon Simple Queue Service (SQS), Terraform, Docker, Microservices - **Published:** August 26, 2026 - **Apply:** https://www.buscojobs.com.es/commerce-solutions-architect-en-laza-ID-368892881 ## About the Role 7+ years in software engineering, with at least 3+ years specifically in Solution Architecture . AWS Expertise: Advanced knowledge of the AWS ecosystem. AWS Certified Solutions Architect (Associate or Professional) preferred. Commerce Domain: Proven experience building or maintaining large-scale e-commerce platforms (e.g., commercetools, Shopify Plus, Adobe Commerce/Magento, Salesforce Commerce Cloud , or custom builds). Technical Skills: Experience with Microservices and API design (REST/GraphQL). Strong understanding of Containerization (Docker/Kubernetes). Familiarity with Infrastructure as Code ( Terraform or CloudFormation). Data & Database: Experience designing schemas for both relational (RDS/Aurora) and NoSQL (DynamoDB) databases in a commerce context. Nice-to-Have Skills: Experience with event-driven architecture (Kafka, EventBridge, SQS/SNS). Background in retail, logistics, or supply chain technology. Experience with frontend frameworks (React/Next.js/Vue) to understand the full stack requirements of a Headless setup. Key Competencies (Soft Skills): Communication: Ability to explain complex architectural decisions to non-technical stakeholders (Product Managers, Merchants). Leadership: Mentoring senior engineers and conducting code/design reviews. Pragmatism: Ability to balance "perfect architecture" with business deadlines and budget constraints. ## Description Job Description:We Dream. We Do. We Deliver.At Merkle, a dentsu company, we power the experience economy. Whether we're building the next great app, running CRM at scale for global brands, delivering technology architectures that support millions of users, or providing world-class data, identity, and insights solutions, it's all in the name of crafting experiences that set brands apart from the competition. Backed by dentsu's legacy of innovation and creativity originating in Japan, we've spent over 35 years helping brands build loyalty, drive growth, and connect meaningfully with their audiences.We've been named a global "Leader" by top industry analyst firms in categories as wide-ranging as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management.We are looking for a hands-onCommerce Architectto design and oversee our highly scalable e-commerce infrastructure on AWS. You will bridge the gap between complex business requirements (merchandising, checkout, inventory) and cloud-native technical solutions. You will own the architectural roadmap for our commerce platform, ensuring high availability, security (PCI-DSS), and performance during peak traffic events.Key Responsibilities:Architectural Strategy:Design and maintain a cloud-native architecture usingAWS services(Lambda, API Gateway, DynamoDB, EKS, CloudFront) to support high-volume transaction processing.Commerce Integration:Lead the architectural design for integrating our commerce engine with third-party systems, including ERPs, PIMs, OMS (Order Management), and Payment Gateways (Stripe/Adyen/PayPal).Performance & Scalability:Architect solutions for "bursty" traffic (e.g., product drops, holiday sales), utilizing auto-scaling, caching strategies (Redis/ElastiCache), and CDNs.Security & Compliance:Ensure all architecture complies withPCI-DSS standards, GDPR/CCPA, and general security best practices for handling sensitive customer financial data.Modernization:Drive the migration from monolithic architecture to aHeadless/Composable Commerceapproach (Microservices/API-first).Cost Optimization:Manage AWS budgets and implement FinOps best practices to optimize cloud spend.Must-Have Qualifications:Experience:7+ years in software engineering, with at least 3+ years specifically inSolution Architecture.AWS Expertise:Advanced knowledge of the AWS ecosystem.AWS Certified Solutions Architect (Associate or Professional)preferred.Commerce Domain:Proven experience building or maintaining large-scale e-commerce platforms (e.g.,commercetools, Shopify Plus, Adobe Commerce/Magento, Salesforce Commerce Cloud, or custom builds).Technical Skills:Experience withMicroservicesand API design (REST/GraphQL).Strong understanding ofContainerization(Docker/Kubernetes).Familiarity with Infrastructure as Code (Terraformor CloudFormation).Data & Database:Experience designing schemas for both relational (RDS/Aurora) and NoSQL (DynamoDB) databases in a commerce context.Nice-to-Have Skills:Experience with event-driven architecture (Kafka, EventBridge, SQS/SNS).Background in retail, logistics, or supply chain technology.Experience with frontend frameworks (React/Next.js/Vue) to understand the full stack requirements of a Headless setup.Key Competencies (Soft Skills):Communication:Ability to explain complex architectural decisions to non-technical stakeholders (Product Managers, Merchants).Leadership:Mentoring senior engineers and conducting code/design reviews.Pragmatism:Ability to balance "perfect architecture" with business deadlines and budget constraints.Why choose Merkle?Innovation at Our Core:As part of dentsu's global network, Merkle pushes the boundaries of customer experience, integrating creativity, technology, and data to drive real-world impact. For over 35 years, we've been innovating to meet the changing needs of our clients.Global Reach with Local Expertise:With over 16,000 employees across 30+ countries, and part of a 70,000 employees network at dentsu, Merkle blends global insights with a deep understanding of local markets to deliver personalized, effective solutions.Collaborative Culture:At Merkle, your ideas and contributions truly matter. You'll join a team that fosters innovation, collaboration, and creative problem-solving. Together, we work on impactful international projects, making meaningful connections every step of the way.What's in It for You?Global Perspective:As part of a dentsu company, collaborate with over 70,000 talented colleagues across 145 countries to drive innovation on a global scale.Flexibility & Balance:Enjoy hybrid work models, adaptable hours, and home office options.Inclusive & Supportive Culture:We celebrate diversity and foster a respectful workplace where every team member's unique perspective is valued, and everyone is welcome.Well-balanced reward package:We offer competitive salaries, volunteer days, wellness days, modern offices, and a multi-cultural environment that fosters creativity and innovation.Innovation-Driven Work:Contribute to projects that are reshaping industries and driving transformation with next-generation technologies and strategies.Purpose-Driven Culture:Be part of an organization that fosters sustainable growth for brands, people, and society-where every contribution makes a meaningful impact.Growth Opportunities:Expand your skills through training, mentorship, and data-driven projects that reshape customer experience and business outcomes. Explore opportunities in the whole dentsu network to expand your reach.*many more attractive benefits are waiting for you, for more details regarding additional benefits, please ask your recruiter.Ready to join the team? Shape your unique career and reach your full potential. Apply now and join us in transforming the future together.*At dentsu, Diversity, Equity, and Inclusion (DEI) is central to our vision: "To be at the forefront of people-centered transformations that shape society."We cherish the unique talents and perspectives of all individuals, welcoming applicants regardless of gender, gender identity, nationality, religion, ethnicity, cultural background, sexual orientation, age, physical or mental ability. By embracing diverse perspectives, we create meaningful change and sustainable growth for our people, clients, and society. Our hiring decisions are guided by qualifications and role-specific requirements, ensuring a workplace free from discrimination and harassment.#LI-MERKLE #LI-SOFILocation:BarcelonaBrand:MerkleTime Type:Full timeContract Type:Permanent ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Beyond micro-services, embrace composable architecture !](https://www.wearedevelopers.com/videos/1188-beyond-micro-services-embrace-composable-architecture) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [3x Performance: A Humbling Journey](https://www.wearedevelopers.com/videos/100165-3x-performance-a-humbling-journey) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [E-Commerce in the Agentic Age: When "Buy" Becomes a Function Call](https://www.wearedevelopers.com/magazine/750-e-commerce-in-the-agentic-age-when-buy-becomes-a-function-call) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers)