Strands is a leading fintech company at the forefront of innovation in the financial industry. Our cutting‑edge solutions empower banks and financial institutions to deliver personalized and intelligent banking experiences.
Our products are fully embedded with Artificial Intelligence and Machine Learning capabilities, giving you the opportunity to work on impactful and innovative technologies from day one.
Since 2020, we have been part of the CRIF group, a integral leader in the financial sector. This means we combine the agility of a startup with the stability and scale of an international company.
ABOUT THE INTERNSHIP
We are looking for Software Developer Interns to join our team in Barcelona.
This internship is a great opportunity for recent graduates or final‑year students to gain hands‑on experience working on real fintech products within an international and collaborative environment.
You will be part of a development team contributing to the design, implementation, and improvement of backend components of our products.
What you will do

Support the design and development of backend services and applications
Collaborate with the team to build and maintain Java‑based solutions
Contribute to the development of REST APIs and microservices
Assist in integrating software components within a product environment
Work with databases and help implement data processing solutions
Participate in testing, debugging, and performance improvement tasks
Learn and contribute within an Agile and collaborative team

What we are looking for

Final‑year student or recent graduate in Computer Science, Engineering, or similar
Basic knowledge of Java, Python, or other object‑oriented programming languages
Understanding of backend development concepts (APIs, databases, etc.)




Familiarity with SQL or relational databases is a plus
Interest in learning about microservices, cloud, and modern architectures
Strong willingness to learn and grow in a professional environment
Fluency in English

Nice to have (not required)

Knowledge of Spring Boot or similar frameworks
Exposure to Git, Maven, or development tools (IntelliJ, VS Code)
Basic understanding of CI/CD or cloud environments (AWS/Azure)

We are looking for Quality Assurance Interns to join our team in Barcelona.
What you will do

Collaborate with Product owners and Developers to understand the requirements and write extensive test cases for the application
Report issues found within the product
Write backend automated tests using our framework (Java + RestAssured)
Write UI automated tests using our framework (Playwright + Typescript)
Learn and contribute within an Agile and collaborative team

What we are looking for

Final‑year student or recent graduate in Computer Science, Engineering, or similar
Basic understanding of backend development concepts (APIs, databases, etc.)
Familiarity with SQL or relational databases is a plus
Strong willingness to learn and grow in a professional environment
Fluency in English

Nice to have (not required)

Exposure to Git, Maven, or development tools (IntelliJ, VS Code)
Basic understanding of CI/CD or cloud environments (AWS/Azure)

You’ll love it because you will get...

Hands‑on experience in a real product environment
Mentorship and learning from experienced engineers
A collaborative, international, and dynamic team
Opportunity to grow within the company

Don’t hesitate to apply even if you are not sure to cover all requirements, we would love to see your profile!
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📌 Software Engineer/Quality Assurance Intern (Barcelona)
🏢 Strands
📍 Barcelona