Backend + Ai Engineer

Challenge yourself and us At AdvanceWorks, we learn, grow, and have fun together. And we do all this while creating great software solutions for clients across many industries and geographies. We are constantly challenging ourselves and each other to use the latest technologies and the best methodologies and make sure we walk the talk. Exciting as it may sound, we also have our red lines: each of us is a unique person, with unique opinions, beliefs, options, interests, hopes, and fears. With the right to speak its mind, be mindful of the common goals, and always be constructive. What will be your role We are looking for talented Backend & AI Engineer to join a strategic project for a leading client in the banking sector. This role combines expertise in backend engineering with hands-on experience in Generative AI to design, implement, and scale intelligent solutions that drive automation, efficiency, and transformation across multiple business areas. The ideal candidate will bring strong backend skills with .NET and SQL, experience in event-driven architectures, and a creative mindset to architect, design, and optimize workflows powered by Large Language Models (LLMs). Key Responsibilities: Design, develop, and maintain backend services using .NET (or other) in alignment with banking sector standards. Architect and implement event-driven microservices to ensure scalable, resilient, and efficient solutions. Build and refine LLM-based workflows and intelligent agents that automate tasks and streamline business processes. Apply prompt engineering techniques to optimize model outputs and create effective AI-driven solutions. Collaborate with cross-functional teams to design and integrate AI agents across diverse business units. Leverage OpenAI LLMs within a backend infrastructure built on .NET C#, with React on the frontend. Work with modern event-streaming and caching technologies such as Kafka and Redis, ensuring performance and scalability. Deploy and manage applications using Kubernetes, ensuring high availability and resilience of solutions. Partner with business and technical stakeholders to identify opportunities for AI-driven automation and innovation. What should you bring to the team? Proven experience in backend development with .NET (or other backend language) and relational databases (MySQL, SingleStore, or similar). Solid knowledge of event-driven architectures and microservices design. Hands-on experience with Generative AI technologies, especially prompt engineering and LLM architecture. Experience building workflows and algorithms leveraging AI to automate and optimize business processes. Ability to design creative and innovative solutions, balancing technical feasibility with business needs. Excellent communication skills, with the ability to translate complex AI capabilities into business value. Comfortable working in Agile environments, with excellent organizational and communication skills for both technical and non-technical audiences. Fluent in Portuguese and English (written and spoken). Availability to work in a hybrid model (3 days a week) at clients' offices in Lisbon. The capacity to listen & influence people and foster change in a collaborative way. A keen commitment to your team. The passion to do what you love the most, and the perseverance to make your/the teams' dreams come true. The courage to question the status quo in a constructive and empathic way. An unshakable desire to keep on learning, and the willingness to share what you already know. What is in it for you? Work with an international team. To have a leading role in a huge team, and work with a multinational team. An amazing informal culture of smart hardworking and friendly people that support and care about each other; Be involved in strategic and operational initiatives beyond the scope of your main mission. Formal training and certifications in technology, methodology, and relational skills. Challenging projects with exciting clients and state-of-the-art technology. A dynamic company where you can make a difference and where talent and results matter (and politics do not). Flexibility with responsibility. Happy hours and after-hours feel-good actions. Don't hold off any longer and apply now If you have any questions, drop us a line at