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
Summary
Builds and deploys LLM-based assistants and agents for customer-facing teams, including RAG pipelines, AWS infrastructure, and full-stack integrations. Requires production experience with LLMs and agents, strong AWS and RAG skills, Python/TypeScript/React, and fluent English.
Responsibilities
Design and develop LLM agents with tool calling, memory, orchestration; build RAG/embeddings/vector DB pipelines; deploy on AWS Bedrock/AgentCore with IaC; full-stack backend/frontend and integrations via MCP/APIs; observability, cost, latency, quality
Qualifications
Demonstrable experience taking LLMs and agents into production; strong RAG; solid AWS Bedrock/AgentCore; cloud/serverless/containers/IAM/CI-CD; IaC with Pulumi; Python/TypeScript backends and React frontends; security (OAuth/OIDC, secrets, per-user permissions); MCP experience; LLM observability; business communication; fluent English (B2+)
Benefits
Flexible schedule; certifications plan; home office support; flexible retribution; health insurance; professional development