Senior Full-Stack Developer for AI-Driven Security Platform

Onespan; Laza; Presencial; EUR 85.000 - 120.000; Jornada completa

Descripción de la vacante

OneSpan is seeking a Senior Software Developer (Full-Stack) to join our team in Barcelona. You’ll design, develop, test, and deliver our Mobile Application Security Platform, spanning frontend and backend systems.

You’ll build scalable services, intuitive UIs, and robust APIs, with CI/CD and automated builds driving frequent releases. Join a collaborative team that values architecture, code quality, and security.

Formación

• 5+ years of professional full-stack development.
• Experience building RESTful APIs and web apps.
• Experience with Python, Node.js or Java.
• Strong understanding of scalable system design.
• Experience with CI/CD and testing practices.

Responsabilidades

• Design and implement end-to-end features across frontend and backend systems.
• Build modern web interfaces and scalable APIs powering products.
• Translate requirements and wireframes into technical solutions.
• Write clean, testable code with good test coverage.
• Collaborate with product managers, designers, and engineers.
• Improve performance, scalability, and usability as the business grows.
• Contribute to architecture, code reviews, and best practices.
• Participate actively in team decision-making.

Conocimientos

5+ years experience

RESTful APIs

Full-stack development

Python/Node.js/Java

Software architecture

Testing methodologies

English communication

AI/LLM workflows

Independent collaboration

Herramientas

Docker

Git

Spring Boot

AWS

CI/CD

Descripción del empleo

OneSpan is seeking a Senior Software Developer (Full-Stack) to join our team in Barcelona. You’ll design, develop, test, and deliver our Mobile Application Security Platform, spanning frontend and backend systems.

You’ll build scalable services, intuitive UIs, and robust APIs, with CI/CD and automated builds driving frequent releases. Join a collaborative team that values architecture, code quality, and security.