Omega CRM is a Merkle & Dentsu company, leader in development of Customer Experience services, with +20 years of experience in the use of Technology applied to Marketing and providing a unique Customer Relationship with mainly focus on Innovation is looking for a Full Stack Developer Design, develop, and maintain scalable web applications using modern frameworks and technologies (React, Node.js, Python, Java, etc.).

- Collaborate with digital, data, and CRM teams to integrate solutions with Salesforce Marketing Cloud, Veeva Vault PromoMats, and Veeva CRM environments.

Experience with WordPress or WordPress VIP environments is a plus.

- Develop and maintain APIs and microservices for omnichannel content delivery and automation workflows.
- Ensure code quality through unit testing, peer reviews, and continuous integration pipelines.
- Optimize application performance, security, and scalability across multiple environments (cloud and on-premise).
- Participate in architectural decisions, defining best practices and coding standards.
- Mentor junior developers and contribute to the continuous improvement of development processes. Strong proficiency in JavaScript (React, Node.js, TypeScript) and one or more back-end languages (Python, Java, or .NET). Solid understanding of RESTful APIs, GraphQL, and microservices architecture.

Experience with database management (SQL, PostgreSQL, MongoDB). Expertise in CI/CD pipelines, Git, Docker, and cloud environments (AWS, Azure, or GCP). Knowledge of integration with enterprise systems such as Salesforce Marketing Cloud and Veeva Vault / Veeva CRM.

Familiarity with HTML5, CSS3, SASS, responsive design, and UI/UX optimization principles.



Understanding of data security, GDPR compliance, and code versioning best practices. Capacity to work independently and manage priorities in agile frameworks (Scrum/Kanban). 5+ years of experience as a Full Stack Developer or Software Engineer in digital or enterprise environments. ~ Proven track record developing front-end and back-end solutions for large-scale platforms. ~ Previous experience with WP Vip, Salesforce Marketing Cloud, Veeva Vault PromoMats, or Veeva CRM is highly valued. ~ Strong portfolio demonstrating technical achievements and integration projects. ~ Bachelor's or Master’s degree in Computer Science, Engineering, or related field.

Permanent contract. We make it easy. Trainings & Certifications. Home Office. Health insurance. Omega CRM, a Merkle Company, is a general digital company specialising in accelerating the Business Experience (BX) of our clients through customer-centric solutions, technology, and data – all enhanced by AI.

Together with Merkle, we form the largest Customer Experience Management (CXM) agency in Spain, and as part of the dentsu group, we offer end-to-end solutions that integrate media, creativity, content, technology, and strategy to deliver real business impact. With over 23 years of experience, a team of 580+ professionals from 24 nationalities, and 2,500+ certifications, Omega CRM is a recognised leader in the Salesforce ecosystem in Spain. Client satisfaction is at our core (rating: 4.9/5), and we’ve been recognised with awards such as Salesforce Partner of the Year FY23 and Most Innovative Project (Iberia).

At Omega CRM, we believe in growth through people – guided by our values: #

📌 Senior Fullstack Developer (Madrid)
🏢 Omega CRM, A Merkle
📍 Madrid