At
Hays
, we are collaborating with a
leading integral pharmaceutical company
operating in
more than 130 countries
focused on improving the
health and quality of life
of both people and animals through
innovation, research, and technology
.

We are looking for a
Full Stack Software Engineer
with solid experience across both frontend and backend development.

Working closely with
Product
,
Architecture
,
QA
, and
Operations
teams, you will contribute to building scalable and high-quality solutions while supporting ongoing digital transformation initiatives.

Main Responsibilities

• Design, develop, and maintain
end-to-end web applications
.

• Contribute to the definition of
software architectures
and
development best practices
.

• Develop and implement solutions across both
frontend
and
backend
environments.

• Collaborate closely with
Product
,
Architecture
,
QA
, and
Operations
teams.

• Ensure software quality through
testing
,
code reviews
, and
automation practices
.

• Support the continuous improvement of
processes
,
tools
, and
technical standards
.





• Participate in the integration of services and the evolution of
scalable architectures
.

Requirements

• Proven experience as a
Full Stack Software Engineer
.

• Strong knowledge of modern frontend frameworks such as
React
,
Angular
, or similar technologies.

• Experience developing backend solutions using
Python
,
Java
,
.NET
,
Node.js
, or equivalent technologies.

• Knowledge of
REST APIs
,
GraphQL
,
service integrations
, and
microservices architectures
.

• Experience working with
relational and/or NoSQL databases
.

• Understanding of cloud platforms such as
Azure
,
AWS
, or
GCP
.

• Familiarity with
DevOps practices
,
CI/CD pipelines
, and
Git version control
.

• Ability to work effectively within
Agile environments
and cross-functional teams.

Nice to Have

• Experience participating in
large-scale digital transformation projects
.

• Knowledge of
application security
,
observability
, and
performan

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