Stefanini is hiring an AI Flows Senior Developer to join one of our clients in Portugal, operating within the energy business sector.- Work model: remote from Portugal / hybrid (from Lisbon or Porto); - Project duration: until 11-05-2027, with possible extending;We are seeking a Senior AI Flows Developer to join our client's growing engineering team.This role is ideal for an experienced developer with a background in computer engineering, computer science, mathematics, biomedical engineering, or a similar scientific field. You will have the opportunity to contribute directly to the evolution of our client's products in a dynamic and rapidly growing SaaS environment. Working closely with a multidisciplinary team, you will help design and build AI‐driven solutions while influencing technical decisions and product direction, ultimately helping the company reach the next level.Required knowledge:- Computer Science fundamentals such as Large Language Models (LLMs), Object-Oriented Programming, data structures, communication protocols, and knowledge bases; - Advanced prompting techniques (agents, tools, and mechanisms that influence agent behavior); - C#, or strong experience in another programming language such as Python or JavaScript, with openness to work with multiple technologies; - Development of conversational or AI-driven flows, including low-code environments; - Integration and use of REST APIs; - Data formats and communication protocols such as JSON, XML, and gRPC; - Strong English communication skills; - Minimum of 5 years of professional experience and a degree in Computer Science or a related field;Requested skills:- Resilience and strong tolerance for frustration when dealing with debugging and limited documentation; - Ability to stay focused and work effectively in complex environments; - Comfort working with uncertainty and exploring new technologies; - Proactive attitude and strong sense of ownership; - Ability to advocate for improvements in product quality, security, and performance; - Write clean, maintainable, and scalable code; - Review and refactor both new and existing source code; - Strong collaboration skills and a team‐oriented mindset; - Flexible and adaptable approach to tasks; - Experience with customer contact center environments (e.g., conversational flows, authentication steps, user journey design, and real-time customer interactions) is considered a strong plus.What you will learn from this role:- Development of highly scalable global software systems; - Advanced use of C# and modern backend practices; - Prompt engineering and AI-driven development; - Cloud infrastructure with Microsoft Azure (and potentially AWS); - Working in a dynamic and highly technical environment focused on disruptive projects; - Participation in large, multidisciplinary teams driving deep digital transformation, particularly in customer service and digital customer interaction channels.What we offer:You will find here not only a challenging and interesting workplace, but also a rewarding work experience, with competitive compensation and benefit packages:- Career development: opportunity to grow within the team; - Special referral bonuses for recommending your friends; - Friendly team who is eager to meet you;What's next:It's best to apply today, because job postings can be taken down and we wouldn't want you to miss this opportunity. To apply, please submit your updated CV.The preceding job description had been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties and responsibilities required of employees assigned to this job.Diversity & InclusionHere at the Stefanini Group, we value plurality and equity, regardless of race, sexual orientation, disability, age, ancestry, religion, gender, and nationality. We understand and encourage the importance of being you!About usWe are the Stefanini group, a global tech consulting company of Brazilian origin that believes in the power of people to transform businesses through technology.We are present in over 40 countries and operate with the purpose of co-creating solutions together with our clients that accelerate results and improve the experience of people and organizations.Here, we like to say that technology is not the end, but the means: what really matters are the people who drive it all.Our mindset is AI First, meaning we invest in cutting-edge technology in everything we do, focusing on results for our clients.We are a company, a group, that breathes collaboration and offers a dynamic environment where you will learn by doing, grow alongside the team, and have space to contribute with ideas and projects.More than just talking about digital transformation, we believe in real transformation that starts with people and impacts real businesses.If you are looking for a place to develop, innovate, and be part of something bigger, the Stefanini Group is your place.We want to inform you that there are currently scams targeting job seekers by falsely using our company's name, Stefanini. We sincerely apologize for any confusion or inconvenience this may have caused.Please remember that legitimate job offers from Stefanini will always come through official channels, including direct communication with our trained recruiters. If you receive any unsolicited messages requesting payment or personal information, please disregard them.If you suspect you've been targeted, please contact us immediately at for verification.Key Points to Remember:• Legitimate job offers only follow interviews conducted with our hiring managers or clients.• We will never ask for payment at any stage of the recruitment process.• Stay vigilant and feel free to reach out for verification. Your safety and security are our top priorities. Thank you for your understanding and cooperation.