AI Backend Engineer

Just Vargas; Lisboa; Presencial; EUR 55 000 - 75 000; Tempo integral

Resumo da oferta

Just Vargas is seeking an AI Backend Engineer to contribute to the AI core module and the AI Low-Code agentic platform. You will work on international projects within an agile Microsoft stack, using SQL Server/PostgreSQL, .Net Core (C#), WCF/REST, and ensure robust unit and integration testing.

The ideal candidate has a degree in computer engineering, 2+ years in AI projects, knowledge of LLMs/RAG/AI agents, and strong problem-solving with fluent English.

Qualificações

• Degree in Computer Engineering or similar is required.
• Strong background in software development with OOP.
• Proficiency in at least one programming language, preferably C#.
• Minimum 2 years of hands-on AI project experience.
• Knowledge of LLMs, RAG, AI agents and related tech.
• Experience with relational database modeling and programming.
• Understanding of software architecture, version control, and best practices.
• Strong analytical and problem-solving skills; detail-oriented.
• Good written and spoken English communication.

Responsabilidades

• Participate in development of international projects.
• Design, implement, and maintain the AI core module for the product.
• Design, implement, and maintain the AI Low-Code agentic platform.
• Work in an agile method using a Microsoft stack (C#, .NET Core).
• Conduct unit and integration testing and fix bugs.

Conhecimentos

OOP

C# proficiency

SQL/DB knowledge

REST API

AI/LLMs

RAG/AI agents

Unit testing

Software architecture

Team collaboration

English fluency

Formação académica

Degree in Computer Engineering or similar

Descrição da oferta de emprego

Just Vargas is a human resources consultancy that recruits, trains, accompanies, challenges, and encourages candidates and companies to make the best use of their talents.

We are currently looking for a AI Backend Engineerfor a reference client in the Technology sector.

Key Responsibilities:

• Take part in the development of international projects;
• Design, implement, and maintain the AI core module for the main product;
• Design, implement, and maintain the AI Low-Code agentic platform;
• Work in an agile methodology within a Microsoft stack, using SQL Server/PostgreSql, .Net Core (C#, Visual Studio) and WebServices (WCF and REST API);
• Conduct unit testing and integration testing, executing the necessary bug fixing;

Requirments:

• Degree in Computer Engineering or similar;
• Solid background in Software Development, with strong knowledge of Object-Oriented Programming (OOP);
• Proficiency in at least one programming language, preferably C# (VB or Java are also valued);
• Minimum 2 years of hands‑on experience in Artificial Intelligence projects;
• Knowledge of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), AI agents, and related AI technologies;
• Experience with Relational Database Modeling and Programming;
• Understanding of software architecture principles, component reuse, version control, and development best practices;
• Strong analytical and problem‑solving skills, with high attention to quality and detail;
• Result‑oriented mindset and ability to work effectively within a team;
• Good communication skills and fluent/professional English, both written and spoken.