Energy Sector | AI Backend Engineer
Devoteam · Lisboa
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Job Overview
We are seeking a Senior AI Flows Developer to join our 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 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.
Responsibilities / Expected Knowledge
For this role, we expect you to have knowledge of:
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
What We Expect From You
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 With Us
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.
Core Technical Skills
AI & Large Language Models: Strong grasp of Computer Science fundamentals as they relate to LLMs, including data structures and knowledge bases.
Advanced Prompt Engineering: Experience with agents, tool-use, and sophisticated mechanisms that influence and steer agent behavior.
Programming Proficiency: * Strong command of C# (preferred).
Alternatively, deep expertise in Python or JavaScript, with a proven ability and willingness to pivot between different languages and technologies.
System Design: Proficiency in Object-Oriented Programming (OOP) and designing conversational or AI-driven workflows (including experience with low-code environments).
Integration & Protocols: Hands-on experience with REST APIs and proficiency in data formats like JSON, XML, and gRPC.
Education & Professional Experience
Experience: Minimum of 5 years of professional software development experience (with the flexibility to accommodate up to 10 years for senior-level contributors).
Education: Degree in Software Engineering, Computer Engineering, or a closely related field.
Project History: Proven track record of successful project delivery within a professional environment.
Soft Skills & Collaborative Mindset
Problem Solving: Exceptional critical analysis skills and a commitment to high-quality, scalable deliveries.
Communication: Strong verbal and written communication skills; ability to articulate complex technical concepts clearly.
Teamwork: Comfortable working in a highly collaborative, global team environment.
The Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.