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, andTypeScript
* Build secure, maintainableREST APIsandGraphQL endpointsto support dynamic frontends
* Create responsive UI components and interfaces usingReactandApollo Client
* Writeautomated testsusingJest, React Testing Library, and MSTest
* Ensure code quality, performance, and maintainability across both frontend and backend
* UsecontainerizationandKubernetes-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 inTypeScript, React, and component-based architecture
* Experience withGraphQL, Apollo Client, andApollo Server
* Strong testing practices withJestandReact Testing Library
* Familiarity with monorepo tooling (e. g., NX, Turborepo, Lerna)
* Solid experience withC#and. NET 8for scalable backend development
* Knowledge ofCQRS, design patterns(e. g., factory, pub/sub), and modular architecture
* Experience withPostgreSQLor other relational databases
* Familiarity with tools likeSwagger/OpenAPI, Polly, Serilog, Datadog, andOpenTracing
Tooling & Development:
* Experience usingGit, modern CI/CD, and container-based workflows
* AI-powered developmentpractices (e. g., GitHub Copilot) to speed up refactors, test creation, and boilerplate reduction
Soft Skills
* Strong communication skills in bothEnglish
* Proactive and self-managed with attention to detail
* Comfortable working inagile, cross-functional teams
* Analytical mindset and strong troubleshooting skills
* Role: Full-time
* Experience: 5+ years across backend and frontend development
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