Eastelson
Posted 3w ago

Senior Full Stack Developer (React & Django)

Eastelson
Barcelona or Madrid
€40k-€55k/yrHybridFull Time
Responsibilities
  • developing applications
  • integrating APIs
  • optimizing performance
Requirements
  • 4+ years React web development
  • TypeScript/JavaScript
  • HTML5/CSS3
  • REST API integration
  • Basic Python/Django, Git
  • Agile experience
  • Professional English
  • Bachelor's degree or equivalent preferred
Technical tools mentioned
React.jsTypeScriptHTML5CSS3PythonDjangoGitReduxRESTful APIs

Job description

Company information

HOUSE OF ABY : a unique playground for our talents !


The HOUSE OF ABY Group brings together 10 complementary brands within a single ecosystem, covering a variety of sectors such as aeronautics, digital, nuclear, pharmaceuticals and railways. This diversity makes HOUSE OF ABY a true professional playground, offering our consultants and Business Partners the opportunity to evolve in environments, professions and projects with multiple challenges.


Thanks to this multi-brand organisation, everyone can build a tailor-made career path, develop their expertise, explore new areas and work on high value-added projects, while benefiting from the strength and synergies of a structured Group.


Joining HOUSE OF ABY means becoming part of a dynamic Group that trusts its teams and gives them the means to perform, grow and succeed.


ABYLSEN is an engineering consulting company that supports its clients in delivering technological projects through expert consultants. Its mission: to bring expertise, innovation and execution capability.

For over 20 years, Abylsen has established itself as a major engineering consulting player in Europe. It supports more than 660 clients in their industrial, digital and operational projects.


Area of expertise :
  • R&D
  • Production & operations
  • Digital & IT
  • Industrialisation
  • Validation & testing
  • Maintenance & safety
Sectors: ⚡ Energy ✈️ Aerospace, Space & Defence 🚗 Automotive 🧬 Life Sciences 🏗️ Construction & Infrastructure 🏭 Heavy Industry 💻 IT & Telecommunications 💳 Banking, Finance & Insurance

Equal opportunities

  • No barrier should hold back talent ! Dedicated to equal opportunities, our Group embraces an inclusive approach: every position is open to all, and we actively support the integration of people with disabilities.

Job description

Are you passionate about building modern, scalable web applications and delivering exceptional user experiences? We are looking for a Senior React Developer with Python Django exposure to join innovative digital projects and contribute to the development of enterprise-grade platforms. In this role, you will be responsible for designing and developing high-quality frontend applications while collaborating with backend teams to deliver robust, scalable, and maintainable solutions.

Working within multidisciplinary Agile teams, you will collaborate with UX/UI designers, architects, product owners, project managers, backend developers, and QA engineers to deliver impactful digital products from concept to production.



💻 Your day-to-day

  • Design, develop, and maintain responsive, scalable web applications using React.js, TypeScript, HTML5, and CSS3.
  • Build reusable, modular, and maintainable React components aligned with shared design systems and UI standards.
  • Translate wireframes, mockups, and prototypes into high-quality, production-ready applications.
  • Collaborate closely with UX/UI designers, product teams, architects, backend engineers, and QA specialists throughout the development lifecycle.
  • Contribute to backend development and API integration using Python and Django.
  • Design and consume RESTful APIs to ensure seamless frontend-backend communication.
  • Optimize application performance, responsiveness, scalability, and user experience across browsers and devices.
  • Implement secure coding practices, including authentication, authorization, secure API consumption, and XSS prevention.
  • Participate in code reviews and promote best practices for code quality, maintainability, performance, and security.
  • Debug, troubleshoot, and resolve frontend, backend integration, and performance-related issues.
  • Provide effort estimations, contribute to sprint planning, and ensure timely delivery of features.
  • Actively participate in Agile/Scrum ceremonies and contribute to continuous improvement initiatives.


🤔 What does our recruitment process look like?

  • A 10–15 minute introductory call with our Talent Acquisition team.
  • A video interview with Talent Acquisition to learn more about your background and explain how we work.
  • A technical interview with our Business Managers and technical team to discuss your experience, skills, and project details.
  • A final meeting with the client.


🚀 And last but not least, what do we offer?

🔛 Permanent contract with Abylsen.

🏠 Hybrid position within Spain.

⏰ Flexible working hours.

💸 Competitive salary package.

🩺 Private health insurance fully covered by Abylsen.

🎯 Access to an extensive learning platform with training courses, certifications, languages, software, and soft skills.

💪 Wellhub (Gympass) membership with access to sports centers, wellness programs, and fitness activities.

📈 Opportunity to work on cutting-edge digital transformation projects within international environments.

🌍 Collaborative, multicultural, and innovation-driven teams.

Job requirements

✨ What do we need from you?

  • Based in Barcelona or Madrid
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or equivalent experience.
  • 4+ years of experience developing web applications with React.js.
  • Solid experience with JavaScript, TypeScript, HTML5, and CSS3.
  • Good understanding of React concepts such as Hooks, Functional Components, and State Management.
  • Experience integrating applications with REST APIs.
  • Familiarity with Redux or other state management solutions.
  • Basic to intermediate experience with Python and Django.
  • Experience working with Git and collaborative development environments.
  • Knowledge of responsive web design and modern frontend development practices.
  • Experience working in Agile/Scrum teams.
  • Professional level of English.


Compensation & benefits

The salary for this position ranges from € 40.000 to € 55.000 gross per year, depending on your experience and qualifications.

About Eastelson

An IT consulting firm specializing in software development and application management.

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