full stack (.NET + React) – Microservices | Spain Only - Infoser New Technologies

Infoser New Technologies (Valladolid, Mexico) Follow 5 hours ago

Full-time Technical Support Apache Kafka REST Experience Design Grafana

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Responsibilities

Design, develop, and maintain scalable, high-performance backend applications using .NET (preferably .NET 10 or later versions).
Contribute to technical design and definition of microservices-based architectures.
Implement and evolve RESTful APIs for integration with internal and external systems.
Design, optimize, and maintain data models in SQL databases (e.g., SQL Server), ensuring performance and scalability.
Apply Clean Code principles, SOLID, design patterns, and best development practices.
Conduct code reviews, promoting quality standards and best practices within the team.
Collaborate with architects, Product Owners, QA, and other technical teams to define robust solutions aligned with business goals.
Participate in defining observability, monitoring, and application performance strategies.
Identify and resolve complex issues in production environments.
Contribute to continuous improvement of processes, tools, and development standards.
Mentor and provide technical support to less experienced developers.
Experience with HTML, CSS, and JavaScript.
Knowledge of React (other frameworks are also valued).
Experience with component libraries such as Material-UI.
Familiarity with state management tools like Redux.

Technical Requirements

5+ years of software development experience using .NET.
Strong experience with .NET 10 or recent versions of the .NET ecosystem (formerly .NET Core).
Advanced experience with:
ASP.NET Core
Entity Framework Core
REST API development
Proven experience with microservices architectures.
Strong knowledge of SQL databases (e.g., SQL Server):
Relational data modeling
SQL query optimization
Indexing and performance tuning
Transaction management
Experience with test-driven development:
xUnit, NUnit, or MSTest
Moq (or similar mocking frameworks)
Integration testing
Solid frontend development knowledge:
React
Working with APIs (Axios, fetch, etc.)
Component libraries such as Material UI
Experience working with Git and collaborative branching strategies.
Strong understanding of software design principles, architectural patterns, and distributed systems.
Experience with Agile methodologies (Scrum/Kanban).

Nice to Have

Experience with Docker and Kubernetes.
Experience with cloud platforms (Azure, AWS, or GCP).
Experience with messaging and event-driven tools:
Kafka
RabbitMQ
Azure Service Bus
Knowledge of observability and monitoring tools:
ELK Stack
Prometheus
Grafana
OpenTelemetry
Application Insights
Experience implementing and maintaining CI/CD pipelines:
GitHub Actions
GitLab CI
Knowledge of security best practices for APIs and backend applications.

Soft Skills

Strong analytical thinking and problem-solving skills.
Ability to work autonomously in dynamic environments.
Excellent communication and collaboration skills.
Strong focus on quality, maintainability, and scalability.
Continuous improvement mindset and eagerness to learn.
English proficiency sufficient to work in an international environment.

Tech Stack

.NET 10+
ASP.NET Core
Entity Framework Core
SQL Server (or other SQL databases)
REST APIs
NuGet / MSBuild
Git
Docker
Kubernetes
Kafka / RabbitMQ / Azure Service Bus
xUnit / NUnit / MSTest
Moq
Azure DevOps / GitHub Actions / GitLab CI
ELK Stack / Prometheus / Grafana / Application Insights
Azure / AWS / GCP
React
HTML
CSS
JavaScript

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