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Aderen operates as an IT consulting and staffing agency that provides freelance professionals to third-party clients, acting as an intermediary rather than the direct employer.

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Posted 7mo ago

Senior React Native Developer

Madrid or Spain
€240-€260/dayRemoteFull Time, Contract
Responsibilities:developing applications, supporting projects, analyzing logs
Requirements Summary:Expertise in React Native/React and SSR, experience consuming GraphQL and REST APIs, testing (unit/integration), Git and Agile workflows, debugging and performance profiling; English C1 required.
Technical Tools Mentioned:React Native, React, GraphQL, Twig, Vue, JavaScript, HTML, RESTful APIs, Git, NestJS, Webpack, Docker, Kubernetes, CI/CD
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Job Description

Job Information

Title: Senior React Native Developer
Job Type: Freelance Full time
Company: ADEREN
Country: Spain
Location: Madrid
Published: 12/12/2025
ID de Oferta de empleo: 2346
Duración del proyecto meses: Largo Plazo
Sector: Tecnologia
Prioridad Incorporación: Crítica
Tarifa Candidato: 240-260
Salario: Largo Plazo
Ingresos por puesto: US$0.00
Area de Conocimiento: Consultoría
Habilidades: English
Idiomas: Español;Ingles
Ciudad: Madrid
Estado/provincia: Madrid
Código postal: 28001




SEEKING:  Senior React Native Developer

 

We are looking for a Senior React Native Developer


RESPONSIBILITIES & TASKS :

► Develop and maintain modern applications using React Native, ensuring an optimal user experience.

► Support legacy projects integrating GraphQL as a data gateway and consume REST APIs in projects built with Twig and Vue.

► Analyze logs effectively and maintain a strong focus on testing to ensure mobile application reliability and performance.

► Collaborate in an agile environment, ensuring high-quality code through reviews and best development practices.

► Stay up to date with the latest frontend technologies, contributing ideas and innovations to the team.

 

 

 

EXPERIENCE, KNOWLEDGE & SKILLS :

Experience with React/React Native and SSR

Proficient in writing high-quality, scalable HTML and understanding core JavaScript concepts

Experience with automated tests (unit and integration) and RESTful APIs

Comfortable in Agile environments and using Git

Effective communication skills, self-motivated, team player, and good English level

 



NICE TO HAVE :

Proficient in debugging, profiling, and detecting web errors/performance issues

Experience with NestJS, GraphQL, and microservices platforms

Familiar with building tools (e.g., Webpack) and dev tools (e.g., Docker)

Experience in Kubernetes, DevOps culture, and CI/CD

 

 

 

LANGUAGE :

English- (C1)

 

 


WE OFFER: 

·         Full-time Freelance contract

·         Rate: Up to €240 per day + VAT (according to the experience provided)

·         Long-Term Project

·         Location: Spain – Teleworking 100%

·         Desired start date: ASAP