Senior Full Stack Engineer (Automation Platform)

At Hays, we are looking for a
Senior Full Stack Engineer (Automation Platform)
to join the development of an internal automation platform for a leading global pharmaceutical company. This role will be responsible for designing, developing, and evolving a business-critical platform focused on process automation, operational efficiency, and future AI-enabled capabilities.

You will collaborate with business stakeholders, operational teams, IT, General Capability Owners, and international teams to deliver scalable, secure, and maintainable solutions that drive digital transformation and process excellence.

What you will do
- Design, develop, and maintain an internal platform focused on automation and AI-enabled process improvements.
- Build and enhance server-rendered web applications using
Node.js, Express.js, and EJS
following MVC architecture principles.
- Develop and maintain
RESTful integrations
with enterprise systems, particularly
Jira APIs and Webhooks
.
- Design and optimize
MongoDB databases and Mongoose data models




to ensure performance, scalability, and data integrity.
- Implement authentication and authorization mechanisms, including session management, role-based access control, and CSRF protection.
- Partner with business stakeholders to identify automation opportunities and translate business requirements into scalable technical solutions.
- Ensure software quality through clean code practices, documentation, testing, and maintainable architecture.
- Contribute to platform governance, standardization, and the adoption of reusable development patterns.
- Support the evolution of intelligent workflows and future AI-driven automation initiatives.
- Collaborate with global teams in a cross-functional and international environment.

What we are looking for
- 4+ years of experience in
Full Stack Development, Platform Engineering, or Software Development
roles.
- Strong experience with
JavaScript (ES6+)
, inclu

📌 Senior Full Stack Engineer (Barcelona)
🏢 Hays
📍 Barcelona