Senior .Net + React Developer / Architect

Adentis Portugal; Portugal; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Work-Life balance

Flexible routine

Health benefits

Discount programs

Professional development

Performance feedback

Career progression

Job summary

Adentis Portugal is seeking a senior .NET Core specialist to design and implement APIs, background services, and event-driven solutions in cloud environments with Kubernetes orchestration.

You will work with messaging systems like Kafka and RabbitMQ, implement observability practices, and model databases. Knowledge of LLMs and AI tooling to automate workflows is required; React is a plus. The role follows a 3 days onsite / 2 days remote hybrid model in Portugal.

Qualifications

• You must have senior experience with .NET Core, APIs and background services.
• You should design solutions with event-driven and data-driven cloud architectures using Kubernetes.
• Strong knowledge of messaging systems such as Kafka or RabbitMQ.
• Experience with observability including logging, metrics and tracing.
• Database modelling, optimisation and management experience.
• Practical knowledge of LLMs: prompting, RAG, context management, agents and MCPs.
• Experience using AI tools to automate tasks, generate code and review.

Skills

.NET Core

Event-driven

Data-driven

Observability

LLMs

AI tools

React

Tools

Kafka

RabbitMQ

Kubernetes

Observability tooling

Job description

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);
• 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);
• 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!