Generative AI Engineer
Dentsu · Spain
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.
- Flexible 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 #LI-REMOTE
Location:
Remote - Spain
Brand:
Omega
Time Type:
Full time
Contract Type:
Permanent