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Join Amaris Consulting and work on projects that impact thousands of users worldwide. Be part of an international team, grow in an agile environment, and develop your career within a global group that values innovation, collaboration, and talent.
As a Senior Tech Lead – RAG, you will lead one of our internal Retrieval-Augmented Generation (RAG) squads within our AI Factory in Barcelona. You will be the technical reference and hands‑on lead, coordinating a cross‑functional squad (AI Engineers, Full Stack Developers, DevOps) to design, build, and operate Azure‑based RAG and AI solutions that power internal products and services across the business.
What we’re looking for
Senior profile – solid experience in software/AI engineering in complex environments (junior profiles will not be considered).
Proven experience as a Technical Lead / Tech Lead for AI or software engineering squads, ideally up to 6 engineers.
Strong expertise in Retrieval‑Augmented Generation (RAG) and LLM‑based solutions (prompting, orchestration, evaluation, optimization).
Ability to define and enforce technical standards, best practices, and architecture guidelines for AI solutions.
Experience designing and building scalable backend systems and APIs in cloud environments, preferably Microsoft Azure .
Hands‑on experience integrating advanced AI capabilities : RAG & LLMs (Azure OpenAI or similar)
Speech‑to‑text, computer vision, and/or Intelligent Document Processing (IDP) is a strong plus
Solid knowledge of Azure services such as: Azure Functions, App Services
Cosmos DB or other cloud databases
Experience with observability, reliability,



and performance monitoring of production systems (logs, metrics, alerts, dashboards).
Strong collaboration and communication skills, acting as the technical interface between the squad and stakeholders (Product Owner, Data Scientists, frontend teams, business).
Comfortable working in international, multicultural environments and in English‑first contexts.
High level of ownership and autonomy, able to drive technical initiatives end‑to‑end and influence engineering practices.
What you will do
Lead and coordinate a cross‑functional RAG squad (up to 6 engineers), ensuring alignment on technical direction, priorities, and delivery timelines.
Define and maintain technical standards, architecture blueprints, and best practices for RAG and AI solutions within the squad.
Design and oversee the development of scalable backend systems and APIs that support AI products on Azure .
Architect and validate cloud‑based AI solutions leveraging Microsoft technologies: Azure Functions, App Services, Cosmos DB, Azure Key Vault, Azure OpenAI, and related services.
Drive the integration of advanced AI capabilities into internal products: RAG‑based assistants and knowledge systems
LLM‑powered features
(Optionally) speech‑to‑text, computer vision, IDP components
Conduct code reviews, technical mentoring, and upskilling of squad members,



ensuring high engineering standards.
Act as the technical point of contact for the squad, collaborating closely with Product Owners, Data Scientists, frontend developers, and business stakeholders.
Define and monitor system performance, reliability, and observability standards, ensuring high availability of AI deployments.
Maintain a strong awareness of market trends in Generative AI, LLMs, RAG, and prompt engineering, and translate them into concrete squad initiatives and roadmap items.
Contribute to the delivery of AI products within the axapartners.Ai program, ensuring value for internal users and business teams.
Spanish: Strongly preferred (almost a must) for day‑to‑day collaboration in Barcelona.
French: Nice to have, as many stakeholders operate in a French‑speaking environment.
Barcelona, Spain
Business travel: No (occasional internal events may occur).
Career growth: 70% of our senior leaders started in junior positions.
Continuous learning: access to our Technology Academy, Udemy courses, webinars, and company‑funded certifications (including AI and cloud).
Flexibility: remote work options, adaptable working policies, and social benefits (meal vouchers, transport, childcare support, private health insurance, etc.).
Wellbeing: our WeCare program supports employees in critical life situations.
Personal development: annual training budget to grow both your hard and soft skills.
At Amaris Consulting, we are committed to creating an inclusive environment. We welcome all qualified applications regardless of gender, sexual orientation, race, ethnicity, age, or any other characteristic.
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📌 Ia Senior Tech Lead (Barcelona)
🏢 Amaris Consulting
📍 Barcelona