Whether we’re building the next great app, running CRM at scale for general 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. A Senior Salesforce B2B Commerce Engineer is responsible for leading the development of complex software solutions in Salesforce B2B Commerce, providing technical guidance, and ensuring the quality and performance of the software. This role involves mentoring junior engineers and contributing to strategic initiatives.Lead the design and development of complex digital solutions in Salesforce B2B Commerce- Develop and customize Salesforce B2B Commerce storefronts including catalog structure, pricing, promotions, cart, checkout, and buyer accounts.

- Implement and maintain Apex classes, triggers, Lightning Web Components (LWC), and integration services.
- Build and optimize complex product models, entitlements, workflows, and order processes in B2B Commerce.
- Integrate Salesforce B2B Commerce with ERPs, payment gateways, shipping systems, and external APIs.
- Troubleshoot code, fix defects, and ensure platform performance and scalability.
- Provide technical guidance and mentorship to junior engineers.




- Ensure architectural integrity and consistency across the software development lifecycle.
- Develop and maintain software architecture documentation.
- Participate in project planning and estimation activities.
- 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.

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.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.Enjoy hybrid work models, adaptable hours, and home office options.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.Be part of an organization that fosters sustainable growth for brands, people, and society—where every contribution makes a meaningful impact.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.*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.

BarcelonaType: Full time

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