.Net Developer

Capitole is one of the best IT consulting companies and the place you want to be. Why?

People in the center. We believe in a different model, more human, with the employee in the center of our company Interesting projects. Cutting-edge technologies. Agile methologies Happiness and low turnover rate €1200 per year training budget ⌚ Flexible working hours More than 900 skilled professionals, from more than 27 nationalities Tailored career path Monthly follow-ups. 360º continuous evaluation Private health insurance Flexible retribution program ️ ♂️ Wellhub: access to fitness, wellness, and mental health support Processing of the work permit for you to come to Spain with your family Technological communities Lots of amazing events

Capitole Consulting keeps growing and we want to do it with you!

Are you passionate about building scalable applications and working in an international environment? We are looking for a

Senior .NET Developer

to join a multicultural team where you'll have the opportunity to contribute to high-impact projects, mentor other developers, and help shape modern software architectures.

Location:

Full Remote (Spain) Schedule:

Flexible working hours + Intensive Fridays International environment ️

English level:

C1 required

What will you do? Design, develop, and maintain

high-performance backend applications

using modern

.NET technologies . Participate in the

technical design and definition of microservices architectures . Develop and evolve

RESTful APIs

for integrations with internal and external systems. Design, optimize, and maintain

SQL databases , ensuring scalability and performance. Apply

Clean Code, SOLID principles, design patterns, and software engineering best practices . Perform

code reviews

and promote development standards within the team. Collaborate closely with

Architects, Product Owners, QA teams, and other stakeholders

to deliver robust solutions aligned with business needs. Define and improve

observability, monitoring, and application performance strategies . Troubleshoot and resolve complex issues in production environments. Contribute to the continuous improvement of development processes, tools, and engineering standards. Mentor and support junior and mid-level developers. Participate in frontend development tasks using

React

and modern JavaScript technologies. What are we looking for?

✅

Must-have skills 5+ years of experience in

software development with .NET Strong experience with

.NET 10

or recent versions of the

.NET ecosystem Hands-on experience with: ASP.NET Core Entity Framework Core REST API development Microservices architectures Strong SQL knowledge: Relational database design Query optimization Indexing and performance tuning Transaction management Experience with

Test-Driven Development (TDD)

using: xUnit, NUnit, or MSTest Moq or similar mocking frameworks Integration testing Strong frontend development experience with: React API integrations (Axios, Fetch) Material UI or similar component libraries Redux or other state management libraries Experience working with

Git

and collaborative branching strategies Solid understanding of

software design principles, architectural patterns, and distributed systems Experience working in

Agile environments (Scrum/Kanban) English C1

⭐ Nice to have Docker & Kubernetes Cloud platforms:

Azure, AWS, or GCP Event-driven architectures and messaging systems: Kafka RabbitMQ Azure Service Bus Observability and monitoring tools: ELK Stack Prometheus Grafana OpenTelemetry Application Insights CI/CD pipelines: GitHub Actions GitLab CI Knowledge of

API security best practices

What we value ✔️ Strong analytical and problem-solving skills ✔️ Ability to work autonomously in dynamic environments ✔️ Excellent communication and teamwork abilities ✔️ Focus on quality, maintainability, and scalability ✔️ Continuous learning mindset and passion for technology

Full Remote position Flexible schedule Intensive Fridays

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The employee will adhere to information security policies: -Will have access to confidential information related to Capitole and the project they are working on. -Must comply with the security policies and internal policies of the company and the client. -Must sign an NDA.