GenAI+.NET On-site KWAN Lisbon December 4, 2025

KWAN is a 100% Portuguese company that is part of the Rupeal Group, dedicated to IT Staffing, consulting, and outsourcing. KWAN exists because a developer believed in a different way of recruiting: treating people with the respect they deserve. Our goal is to be your
- to place for career advice and help you reach your dream job.

We are looking for a Gen
AI+. NET to work in Lisbon who’s eager to embark on an exciting new opportunity!

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in‑house specialists - our People Experience Partners - to guide them through our journey with us.

What is this challenge about

• Building and maintaining scalable microservices using modern engineering principles;
• Designing high‑quality solutions following Clean Architecture, SOLID, and best development practices;
• Working with RESTful APIs and/or g
  RPC to ensure efficient service communication;
• Developing and integrating LLM‑based conversational agents for real business use cases;
• Creating and optimizing RAG (Retrieval‑Augmented Generation) pipelines connected to external data sources;
• Evaluating Gen
  AI agents using metrics like relevance, factual accuracy, and context awareness;
• Orchestrating internal fine‑tuned models and external AI services (Open
  AI, Azure Open
  AI, Hugging Face);
• Building API wrappers or SDKs to scale AI capabilities across the organization;
• Contributing to cutting‑edge AI and microservices architecture in an international environment.

Prerequisites and key qualifications

• Minimum of 5 years of experience as a Java Developer;
• Experience in microservices development, ideally using. NET (C#);
• Strong understanding of software architecture principles (Clean Architecture, SOLID, etc. );
• Experience working with REST/g
  RPC services;
• Knowledge or interest in Generative AI, LLMs, and/or RAG pipelines;
• Ability to integrate and orchestrate AI/LLM services using external APIs or internal models;
• Willingness to relocate to Portugal (full visa support provided).

Do you meet most of the position requirements? Then grab this opportunity and apply now!

Benefits

• A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
• A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
• An empowering and respectful work culture enriched with social and learning events.
• A People Experience Partner specially assigned to you — your go‑to career guide, responsible for supporting your growth, facilitating training, and ensuring your work‑life balance at KWAN.
• A relocation package and visa sponsorship for all our international hires.

Some Words From Our Colleagues

“At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations. ”