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Fullstack Developer

Worldline

Job Location:

Madrid - Spain

Monthly Salary: Not provided by the employer

Posted: 29 September 2026 (Yesterday)

Application Deadline: 27 December 2026

Vacancies: 1 Vacancy

Job Summary

Who we are

Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly simply and securely. We are the innovators at the heart of the payments technology industry shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business we are committed to helping our people accelerate their careers. Together we shape the evolution.

We are the innovators at the heart of the payments technology industry shaping how the world pays and gets paid. The solutions our people build today power the growth of millions of businesses tomorrow. From your local coffee shop to unicorns and international banks. From San Francisco to Auckland. We are in every corner of the world in every part of commerce. And just as we help our customers accelerate their business we are committed to helping our people accelerate their careers. Together we shape the evolution.

Responsabilities:

You will contribute to the development of CX Suite a customer relationship management product:

Front-end development in Angular
Back-end development in Java
Ensure compliance with RGAA accessibility requirements All within an Agile framework.

Requirements:

Technical background; at least 5 years of experience in web projects.
At least 3 years of hands-on Front-End Angular experience.
For the back-end at least 3 years of Java/Spring Boot development.
Autonomous and dedicated you are committed to achieving your goals.
You will thrive in an experienced and driven team with managers to support your growth.

Environnement technique:

Testing: Selenium or equivalent (at least 1 year)
Development: Jenkins Git Eclipse (at least 3 years)
Project management: JIRA or equivalent (at least 1 year)

As a Software Engineer in Studies and Development your main responsibilities are:

Analyze the requirements from Product Managers and Product Owners and the CX Suite product features.
Develop the CX Suite product.
Produce specifications and design modules.
Participate in testing production deployment and optimization of services while ensuring quality.

We are seeking candidates who can drive positive change are passionate proactive and eager to learn.

You hold a Masters degree (Master 2) and are oriented toward innovation analysis and solving complex technological problems.
You are proficient with technologies such as Java/Spring Boot Angular Docker and SQL.
You are comfortable in a multi-site work environment and demonstrate strong curiosity and a keen customer-service mindset.
You take initiative by proposing improvements and have solid knowledge of Agile methodologies and DevOps principles.

The opportunity

As a Web Development & DevOps Engineer you will sit at the crossroads of development infrastructure and cloud teams architects product teams and clients. Your role consists of designing developing deploying and maintaining robust secure and observable web applications while industrializing delivery and operations processes and leveraging artificial intelligence assistants to optimize productivity and code quality.

Day-to-day responsibilities

Designing and Developing Web Applications (AI-Boosted)

Participate in the analysis of functional and technical requirements.
Design scalable maintainable and secure web solutions.
Develop front-end features using Angular TypeScript HTML and CSS.
Develop back-end services and APIs using and/or Java / Spring Boot.
Design and manage relational databases (e.g. SQL Server) and non-relational databases (e.g. MongoDB).
Integrate generative artificial intelligence into your daily development practices (code generation refactoring documentation and task automation using tools such as Gemini CLI).
Participate in architectural choices and contribute to defining technical standards.
Fix bugs and ensure proactive and corrective maintenance of applications.
Write technical documentation and contribute to knowledge capitalization.

Industrializing Development and Deployments

Design implement and maintain CI/CD pipelines with GitLab CI/CD.
Automate build test deployment and delivery processes.
Containerize applications using Docker.
Deploy and administer applications in Kubernetes environments.
Automate infrastructure management with Terraform and Ansible.
Work on GCP environments and the companys internal cloud.
Contribute to managing development testing staging and production environments.
Implement best practices for configuration management and version control using Git and GitLab.

Enhancing Quality Security and Observability

Set up and maintain unit integration and automated tests.
Participate in code reviews and promote software development best practices.
Improve code quality reliability and maintainability.
Contribute to application monitoring logging and observability.
Participate in incident analysis and resolution.
Identify areas for improvement and implement continuous improvement initiatives.
Integrate security requirements into development and deployment processes.

Collaboration and Team Support

Work within agile teams operating under Scrum or Kanban methodologies.
Collaborate with product teams developers architects and infrastructure/cloud teams.
Support product teams in adopting DevOps practices and raise awareness of AI best practices (effective prompting AI code reviews).
Understand business challenges and challenge requirements when necessary.
Communicate clearly and pedagogically with both technical and business stakeholders.
Participate in knowledge sharing and animating expertise communities.
Represent Magellan Partners to clients with professionalism and a service-oriented mindset.

Who are we looking for

Education and Experience

Higher education degree in computer science software engineering or equivalent.
3 to 8 years of professional experience in software development web engineering DevOps or a similar environment.
Significant experience in designing and developing web applications.
Proven experience in industrializing development and deployment processes.
Experience within a consulting context or working directly with clients is a plus.

Mandatory Technical Skills

Strong proficiency in Angular and TypeScript.
Good command of HTML and CSS.
Solid back-end development experience with and/or Java / Spring Boot.
Proficiency in relational databases (e.g. SQL Server) and non-relational databases (with proven expertise in MongoDB).
Strong interest and comfort in using AI coding assistants and command-line interfaces (hands-on experience with Gemini CLI or equivalent).
Mastery of Git and GitLab and practical experience with GitLab CI/CD.
Good command of Docker and Kubernetes.
Experience with Terraform and Ansible.
Knowledge of GCP environments and/or an internal cloud.
Proficiency in automated testing code review and continuous integration practices.

Soft Skills

Autonomy and ability to take initiatives.
Team spirit and strong collaborative mindset.
Rigor and attention to quality.
Technological curiosityparticularly regarding the evolution of generative AI tools for developmentand a commitment to keeping skills up to date.
Pedagogical skills and willingness to share knowledge.
Good analytical and problem-solving skills.
Service-oriented and client-focused mindset.

Perks & Benefits

Shape the evolution

We are on an exciting journey towards the next frontiers of payments technology and we look for big thinkers people with passion can-do attitude and a hunger to learn and grow. Here youll work with ambitious colleagues from around the world take on unique challenges as a team and make a real impact on the society. With an empowering culture strong technology and extensive training opportunities we help you accelerate your career - wherever you decide to go. Join our global team of 18000 innovators and shape a tomorrow that is yours to own.

Learn more about life at Worldline at

We are proud to be an Equal Opportunity employer. We do not discriminate based upon race religion color national origin sex sexual orientation gender identity gender expression age status as an individual with a disability or any applicable legally protected characteristics.

Required Experience:

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