Outtask is a globally established company with over 25 years of experience in IT. Our Spanish office, located in Valencia, focuses on creating highly specialized tech teams that tackle complex challenges for the world's industry leaders.
We have a deeply rooted people focused culture and are a completely flat organization.
Creativity, innovation, and perseverance are our core values and are reflected in our entire team.
We’re hiring a full-time Backend Developer with experience in modern Microsoft technical stack software engineering, backend integration, and cloud-native systems.
You'll play a key role in building scalable backend services and robust integrations that drive operational efficiency and enhance our digital capabilities.
This position requires strong backend engineering skills along with integration experience to support secure, reliable communication between platforms. English is the corporate language and spoken proficiency is required for effective team and customer collaboration.
Your Responsibilities
Design, develop, and maintain fullstack web applications using .NET 8, C#, React, and TypeScript
Build secure, maintainable REST APIs and GraphQL endpoints to support dynamic frontends
Create responsive UI components and interfaces using React and Apollo Client
Write automated tests using Jest, React Testing Library, and MSTest
Ensure code quality, performance, and maintainability across both frontend and backend
Use containerization and Kubernetes -based deployments for shipping fullstack features
Collaborate with designers, backend engineers, and DevOps to create cohesive user experiences
Integrate AI-assisted tooling (e.g., GitHub Copilot, Cursor ) to optimize development speed and code clarity
Participate in agile planning, estimations, code reviews, and continuous improvement processes
Required Technical Skills
Frontend:
Proficient in TypeScript, React, and component-based architecture
Experience with GraphQL, Apollo Client, and Apollo Server
Strong testing practices with Jest and React Testing Library
Familiarity with monorepo tooling (e.g., NX, Turborepo, Lerna )
Backend:
Solid experience with C# and .NET 8 for scalable backend development
Knowledge of CQRS, design patterns (e.g., factory, pub/sub), and modular architecture
Experience with PostgreSQL or other relational databases
Working knowledge of Azure, Azure Service Bus, JWT, OpenID Connect
Familiarity with tools like Swagger/OpenAPI, Polly, Serilog, Datadog, and OpenTracing
Tooling & Development:
Experience using Git, modern CI/CD, and container-based workflows
AI-powered development practices (e.g., GitHub Copilot) to speed up refactors, test creation, and boilerplate reduction
Soft Skills
Strong communication skills in both English
Proactive and self-managed with attention to detail
Comfortable working in agile, cross-functional teams
Analytical mindset and strong troubleshooting skills
Position Details
Role : Full-time
Experience : 5+ years across backend and frontend development
Languages : English (corporate language)