With just over 9 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service: Strategy (Outsourcing, NeXel, Team as a Service, Tech Academies); R&D (Bootcamps, POC, Tech Lab); Nearshore.In ADENTIS, we focus on PEOPLE. This is our emotional salary: Great Work-Life balance; Very flexible organizational routine; Health benefits (for you and your family); Team Building activities; Over 300 protocols to offer you great discounts in different areas; Continuous professional development sponsored by our Training and Certification Department; Regular feedback on your performance through a personalized plan; Comprehensive career plan and progression involving assertive performance reviews.You must have: Senior experience in .NET Core, including APIs, background services and dependencies Experience designing and implementing solutions with event-driven and data-driven architectures in cloud environments with Kubernetes orchestration Strong knowledge of messaging and streaming systems (Apache Kafka, RabbitMQ or equivalents) Experience in observability: structured logging, metrics and distributed tracing Experience in database modelling, optimisation and management Practical knowledge of LLMs: prompting, RAG, context management, agents, tools and MCPs Effective use of AI tools in the workflow — task automation, code generation and review Knowledge of React in a full-stack context is a plus Work model: 3 days onsite / 2 days remote European Union Citizenship or Portuguese Working Visa / Portuguese Residency. Availability to go to the office, once or twice per week.If you want to be part of a real People First organization, join us! Send your CV to