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# Full Stack Developer (React And Express)

- **Company:** Infoser New Technologies
- **Location:** Coslada, Spain
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Systems Engineering, Build Automation, Code Review, Continuous Integration, Corona (Software Development Kit), Github, Design of User Interfaces, Node.Js, Scrum Methodology, Software Architecture, Ui Patterns, Systems Integration, TypeScript, Data Processing, ReactJS, Enterprise Portal, Software Application Programming, AWS Lambda, Backend, Kubernetes, External System Integrations, Front End Software Development, Restful APIs, Webhooks, Software Version Control, Serverless Computing
- **Published:** September 18, 2026
- **Apply:** https://www.buscojobs.com.es/full-stack-developer-react-and-express-en-coslada-ID-372258395

## About the Role

Strong hands-on experience with TypeScript and JavaScript
Solid professional experience developing applications with React
Experience with Node.
xqysrnh js / Express
Strong experience designing and consuming REST APIs
Experience with asynchronous data processing and system integrations
Good understanding of UI/UX principles and reusable component design
Experience working with GitHub and modern software development workflows
Good understanding of system and process architectures
Experience working in complex enterprise IT environments
Ability to work autonomously while collaborating effectively with international and cross-functional teams
Strong communication and problem-solving skills
Experience working with Agile methodologies (Scrum / Kanban)
What makes you stand out
Experience developing Backstage plugins or working with similar Internal Developer Portals
Experience with Developer Experience (DevEx) or Platform Engineering initiatives
Experience building GitHub integrations, webhooks or event-driven automations
Experience with AWS, particularly AWS Lambda
Experience deploying or operating applications on Kubernetes
Experience integrating developer ecosystems such as source control, CI/CD, observability, compliance or AI tooling
Understanding of Internal Developer Platforms (IDP), developer self-service or automated onboarding
If you are passionate about React and TypeScript but want to go beyond traditional frontend development, building tools and platforms that improve how other engineers work, we want to hear from you.

## Description

We are looking for a Full Stack Developer (React and Express) to help build and evolve an enterprise Developer Portal, designed to provide development teams with a single, scalable entry point to tools, services and engineering capabilities.¿Está considerando presentar su candidatura para este trabajo?Compruebe todos los detalles en esta descripción del puesto y luego haga clic en "Solicitar".This is not a traditional frontend role.You will work at the intersection of Frontend Engineering, Developer Experience and Platform Engineering, building React-based experiences, Backstage plugins and integrations that make it easier for engineering teams to discover, onboard and interact with platform services.A key part of the role will be automating developer onboarding and platform synchronization, including detecting changes in GitHub and automatically reflecting them within the Developer Portal.What you'll work withFrontend: React, TypeScript, JavaScriptBackend / Integration: Node.js, ExpressDeveloper Portal: BackstageDeveloper Ecosystem: GitHub and engineering toolingAPIs & Integration: REST APIs, asynchronous processing and external system integrationsAutomation: GitHub-driven workflows and automated platform synchronizationCloud: AWS, including AWS LambdaRuntime & Containers: KubernetesArchitecture: Enterprise portal architecture, scalability and reusable componentsUX: Reusable UI components and developer-centric experiencesWays of working: Agile (Scrum / Kanban), cross-functional and international teamsWhat you'll doDesign, develop and evolve React and TypeScript-based components for an enterprise Developer PortalBuild and maintain Backstage plugins to integrate internal and external engineering systemsDevelop backend and integration capabilities using TypeScript, Node.js and ExpressBuild automation that detects changes in GitHub and automatically synchronizes relevant information with the Developer PortalDevelop REST API integrations and asynchronous data-processing workflowsCreate tools that simplify the onboarding of development teams and reduce friction when adopting the platformCollaborate with UX specialists to design intuitive and reusable developer experiencesContribute to architectural decisions around scalability, maintainability and platform evolutionIntegrate cloud-native services running on AWS and KubernetesCollaborate with engineering teams and stakeholders across different organizational areasParticipate actively in technical discussions, code reviews and Agile ceremoniesWhat we're looking forStrong hands-on experience with TypeScript and JavaScriptSolid professional experience developing applications with ReactExperience with Node.xqysrnh js / ExpressStrong experience designing and consuming REST APIsExperience with asynchronous data processing and system integrationsGood understanding of UI/UX principles and reusable component designExperience working with GitHub and modern software development workflowsGood understanding of system and process architecturesExperience working in complex enterprise IT environmentsAbility to work autonomously while collaborating effectively with international and cross-functional teamsStrong communication and problem-solving skillsExperience working with Agile methodologies (Scrum / Kanban)What makes you stand outExperience developing Backstage plugins or working with similar Internal Developer PortalsExperience with Developer Experience (DevEx) or Platform Engineering initiativesExperience building GitHub integrations, webhooks or event-driven automationsExperience with AWS, particularly AWS LambdaExperience deploying or operating applications on KubernetesExperience integrating developer ecosystems such as source control, CI/CD, observability, compliance or AI toolingUnderstanding of Internal Developer Platforms (IDP), developer self-service or automated onboardingIf you are passionate about React and TypeScript but want to go beyond traditional frontend development, building tools and platforms that improve how other engineers work, we want to hear from you.Apply now or reach out for more details!#React #TypeScript #JavaScript #Backstage #NodeJS #ExpressJS #GitHub #DeveloperExperience #PlatformEngineering #DeveloperPortal #AWS #Kubernetes #RESTAPI #FrontendEngineering #Hiring #JobOpportunity