Job Description
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 AI / Cloud Full Stack Developer. We are building artificial intelligence solutions for customer-facing teams: assistants and agents that query data, reason over it, and help make day-to-day decisions, among other tasks. We are looking for a full stack developer experienced with LLMs and AWS to design, build, and deploy these solutions into production. What You Will Do
• LLM-based agents: Design and development with tool calling, memory, and orchestration.
• Documentation and information retrieval: Pipelines with embeddings, vector databases, RAG, and response quality evaluation.
• AWS solutions: Deployment and operations on Amazon Bedrock and AgentCore, using infrastructure as code.
• Full stack development and integrations: Backend (APIs, integrations, authentication), user interface, and integration with internal systems via MCP and APIs.
• Measure and improve: Observability, costs, latency, and response quality. Skills & Experience
• Python, TypeScript, React, AWS (Bedrock, AgentCore, Lambda, DynamoDB, S3), Pulumi, MCP, vector databases, Langfuse, Datahub.
• Demonstrable experience taking LLMs and agents into production (not just prototypes).
• Strong command of RAG: chunking, embeddings, vector search, and evaluation.
• Solid knowledge of AWS, particularly Bedrock and AgentCore.
• Cloud development

experience:
serverless, containers, IAM,



networking, and CI/CD.
• Infrastructure as Code with Pulumi.
• Familiarity with backends in Python and/or TypeScript, and frontends built with a modern framework (React or similar).
• Security best practices: OAuth/OIDC, secrets management, and per-user permissions.
• Experience with Model Context Protocol (MCP).
• LLM observability (Langfuse or similar) and automated evaluation.
• Strong comprehension and analytical skills.
• Very fast adaptation to emerging developments and tools.
• Highly proactive mindset: proposes ideas rather than waiting for instructions.
• Sufficient experience to communicate in business terms and explain technical decisions to non-technical stakeholders.
• Strong critical judgment regarding AI: uses it as a tool and critically validates its outputs.
• Ability to understand the business model and the broader purpose of the work being done. Knowledge of Salesforce as a plus.
• Oral and written fluent in English (+B2+) What Do

We Offer
• Permanent contract.
• Versátil Schedule. We make it easy. Balance your professional and personal life.
• Certifications plan. Improve your skills and get the official certificate from our main partners.
• Home Office.



You decide and we support you.
• Flexible retribution (public transport ticket, Ticket restaurant, …).
• Health insurance.
• OMEGA in action. Our commitment to a better society is not just an intention
• Professional development: Evolve, grow and get where you want to go.

About Us
Omega CRM, a Merkle Company, is a global 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. We operate across key industries including Retail, Healthcare, Pharma, Real Estate, Education, and Non-Profit, delivering omnichannel experiences in Customer Service, eCommerce, Marketing, and Analytics. 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: #Talent, #Flexibility, #Commitment, and #Innovation. We grow #Together. #OMEGA

Location:
Remote
- Spain Brand: Omega Time Type: Full time Contract Type: Permanent

📌 Generative AI Engineer (España)
🏢 Omega CRM, A Dentsu
📍 España