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Generative AI Engineer

Remote from Spain·Full-time·Added today (last checked 26 Oct)

Dentsu

36 open roles

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Our summary

Work mode
Remote from Spain
Contract
Full-time
English
Required
Benefits
Private health insurance, meal vouchers

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Skills

Nice to have

Requirements

What we're looking for

  • 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.

Nice to have

Knowledge of Salesforce as a plus.

Languages

  • Oral and written fluent in English (+B2+)

Pay & benefits

What you'll get

  • 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.

The role

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'll 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.

#OMEGA

Location: Remote - Spain

Brand

Omega

Time Type: Full time

Contract Type

Permanent

About Dentsu

Dentsu is a global advertising and marketing services company, founded in Tokyo in 1901, with a presence in over 145 countries and regions. It operates through a network of agencies including Dentsu Creative, Carat, iProspect, dentsu X, and Merkle, delivering integrated services across Media, CXM (Customer Experience Management), and Creative, with a focus on end-to-end experience transformation and business transformation for major brands.

Industry
Advertising and Marketing Services
Founded
1901
Employees
50,000–100,000
Headquarters
Tokyo, Japan
In Spain
Madrid, Barcelona

Good to know if you are moving

  • Dentsu has a dedicated Spain office, with roles in media, creative, and technology, offering opportunities for international professionals.
  • The company operates in over 145 countries, providing a global network that may facilitate cross-border career mobility.
  • Dentsu's Spain operations are part of a large global organization, with a strong focus on digital transformation and data-driven marketing.
  • The company's careers page lists roles in Spain such as Salesforce Consultant, Data Engineer, and Frontend Developer, indicating a need for tech and data skills.
  • Dentsu emphasizes innovation and sustainability, which may appeal to professionals seeking a purpose-driven employer.

In their own words

About the company & team

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.

All open roles at Dentsu

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