AI Engineer

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AI Engineer

• Festanstellung, Vollzeit
• Leiria, Lisbon, Viseu

About Us

At xgeeks, we are on a mission to accelerate success with AI and Cloud-Native development ☁️ Making the promise of DevOps, Data, and Digital Solutions impact a reality.

Here, you’ll be able to design and implement AI and Cloud-Native solutions for start-ups, scale-ups, and some of the biggest companies in Europe, alongside an international, multidisciplinary team, all from our offices in Leiria, Lisbon and Viseu (so far!)!

As part of the synvert Group, you’ll be joining a global network of top-tier technology experts with the ability to push your creative boundaries while tapping into the expertise and resources of a larger, international tech powerhouse. Together, we’re expanding our impact and delivering even stronger solutions for our clients.

Our Tech Stack

We consider a good software engineer to be someone who can quickly pick up any technology, and more importantly, knows the right tool for the job.

Curious about our stack? Here’s a glimpse:

Skills And Qualifications

We’re looking for a hands-on AI Engineer to join our team and help transform frontier AI capabilities, particularly LLM-powered agents and multi-agent systems, into impactful real-world solutions.

In this role, you’ll collaborate closely with engineering, product, and client teams to design and deliver production-grade AI features. This includes crafting effective prompt strategies and sophisticated agent flows, implementing Retrieval-Augmented Generation (RAG) pipelines for robust knowledge access, and applying AI to data analysis workflows. You will focus on applying the right tools to the right problems, ensuring our solutions are valuable, reliable, maintainable, predictable, and adhere to strict compliance and security standards through rigorous evaluation and observability practices.

• Key Responsibilities
• Integrate and deploy LLM APIs and Models (e.g., OpenAI, Claude, Mistral, Hugging Face) into applications, internal tools, and backend workflows.
• Design and iterate on prompt strategies and agent flows for use cases like customer support, developer tools, data validation, and operational automation.
• Build and maintain AI workflows using orchestration libraries and frameworks (e.g., OpenAI Agents SDK, LangChain, LangGraph, LiteLLM, RAG pipelines).
• Contribute to the development and optimisation of infrastructure for embedding generation, vector search, and metadata enrichment (e.g., Pinecone, pgvector, Chroma, Cloudflare Vectorize, or Qdrant)
• Ensure AI-powered systems are testable, observable, performant, and aligned with compliance and security standards. (e.g. designing and implementing evals, OpenTelemetry standard)
• Stay up-to-date with developments in GenAI, ML engineering, and MLOps, and actively assess new tools and techniques.
• Contribute to a culture of experimentation, continuous improvement, and delivery-focused engineering.

• Key Requirements
• 2+ years of hands-on experience in backend software engineering or ML engineering, preferably with a focus on AI applications and agent development
• Proficient in Python or Node.js, with experience in building robust and maintainable systems.
• Hands-on experience integrating LLM APIs and/or building ML pipelines in real-world production applications.
• Solid understanding of prompt engineering, agentic design patterns, and retrieval-augmented generation.
• Familiarity with AI/ML libraries or platforms such as LangChain, Transformers, scikit-learn, or equivalent.
• Experience with CI/CD workflows, Docker, and cloud services (preferably AWS or Azure).
• Strong problem-solving skills and a pragmatic, delivery-oriented mindset.
• Fluent in English with strong communication and collaboration skills.

• Nice-to-Have
• Exposure to agentic architectures or orchestration tools (e.g., LangGraph, Airflow, Temporal).
• Familiarity with vector databases (e.g., Pinecone, Qdrant, Weaviate, pgvector) or semantic search tools.
• Experience working on data science projects or building ML models beyond LLM use cases.
• Strong understanding and practical application of evaluation strategies and observability for AI systems

Perks

One of the perks of being a part of the synvert Group is that you’ll join a global team of over 500 experts from Germany to the UK, Croatia and even the UAE.

As a member of xgeeks, you’ll have the opportunity to work on cutting-edge cloud-native and AI solutions, leveraging synvert's extensive industry knowledge and technical expertise.

We are looking for Software Engineers with a keen eye for high-quality execution to join our rapidly growing teams in Portugal