Job Description

Job Brief:

We are looking for an AI Software Engineer to join a multinational company with offices in Lisbon, working on the development of AI agents and LLM-powered solutions within modern distributed architectures. This role follows a hybrid model, with three days per week in the office.

Responsibilities:

• Design and develop AI agents to support application modernization and technology migration initiatives, leveraging LLM capabilities and agentic patterns.
• Build micro-services and distributed components that expose intelligent capabilities through scalable and well-designed APIs.
• Develop LLM-Powered solutions, including the implementation of Retrieval-Augmented Generation (RAG), embeddings, and related protocols to enable advanced automation and reasoning.
• Contribute to improving and optimizing multiple stages of the SDLC through intelligent automation, integration, and engineering best practices.
• Contribute to the implementation of testing strategies and QA processes, including test case creation and API validation using tools such as Postman or SOAP UI.
• Collaborate with multidisciplinary teams to integrate AI-driven services into existing architectures, ensuring scalability, security, and maintainability.

Requirements & Skills:

• Strong programming experience in .NET (preferred) or Java, with the ability to design and build scalable backend services.
• Solid understanding of micro-services architectures and distributed systems, including the design of resilient and scalable service-based applications.
• Practical experience working with Large Language Models (LLMs) and related protocols (e.g., MCP), as well as familiarity with Retrieval-Augmented Generation (RAG) and embedding-based architectures.
• Experience in software testing and QA practices, including test case design and validation of APIs using tools such as Postman or SOAP UI.
• Familiarity with agent-based or agentic architectures, with the ability to contribute to intelligent automation solutions.
• Self-driven and results-oriented mindset, with the ability to work autonomously while collaborating effectively with cross-functional teams.
• Nice to have: exposure to event-driven architectures and high-availability systems, knowledge of communication protocols such as gRPC, SOAP, or JSON/RPC, as well as experience with API security (OAuth2, JWT, zero-trust principles) and observability standards like OpenTelemetry.

 
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