Fullstack Software Engineer
at WIZELINE
Barcelona
Fullstack Software Engineer
The Company
Wizeline is a global digital services company helping mid-size to Fortune 500 companies build, scale, and deliver high-quality digital products and services. We thrive in solving our customer’s challenges through human-centered experiences, digital core modernization, and intelligence everywhere (AI/ML and data). We help them succeed in building digital capabilities that bring technology to the core of their business.
💻 Are you a fit?
We’re looking for a solution-oriented Fullstack Software Engineer who thrives on building scalable, performant, and reliable solutions. In this role, you’ll collaborate with product teams to design data-driven architectures, automate pipelines, and maintain high-performing database systems. You’ll also play a key role in shaping our test automation strategy—ensuring our applications are secure, stable, and scalable.To be successful in this role, you should bring hands-on experience with Node.js, React, and GraphQL, along with a passion for solving complex problems, optimizing systems, and contributing to products that deliver real impact.
🔑 Key Responsibility
As a Fullstack Software Engineer, you will:
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Develop and maintain automated test frameworks for web, mobile, and API testing.
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Collaborate with developers to design and implement test plans and strategies.
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Automate functional, integration, security, and regression tests.
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Identify, document, and track software defects.
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Work with DevOps to integrate automated tests into CI/CD pipelines.
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Conduct load, stress, and performance testing to ensure scalability and stability.
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Analyze test results and provide actionable feedback to development teams.
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Mentor team members on testing best practices.
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Contribute to the continuous improvement of testing processes and tools.
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Support data architecture design, including pipelines and database systems, to meet product and business needs.
✅ Your Expertise
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Bachelor’s degree in Computer Science or related technical field.
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2+ years of hands-on experience in test automation and software development.
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Strong knowledge of OOP principles.
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Experience with Node.js, React, GraphQL.
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Familiarity with HTML, CSS, JavaScript, Next.js, Emotion, Artifactory.
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Knowledge of C# and the Microsoft .NET framework.
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Experience with testing tools such as NUnit, MSTest, Selenium, Postman (or similar).
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Good understanding of relational database engines (SQL Server or PostgreSQL).
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Solid understanding of SDLC and various testing methodologies.
🎯 Does This Sound Like You?
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A strong analytical thinker with excellent planning and organizational skills.
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A self-starter with curiosity to learn and solve problems.
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A critical thinker with outstanding problem-solving ability.
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A team player with strong interpersonal and communication skills.
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A structured developer with great time management.
Nice to have
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Additional degrees, certifications, or awards in relevant fields.
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Experience with Agile / SCRUM methodologies.
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Familiarity with version control (Git, TFVC, Mercurial, SVN, etc.).
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Experience with continuous integration and deployment pipelines.
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Knowledge of database monitoring tools (SolarWinds, RedGate, etc.).
About Us
Wizeline prioritizes a culture of diversity and development for its nearly 2,000 person team spread across the globe. We believe great technology comes from a mix of talents and perspectives. Our core values of ownership, innovation and community are central to our work. Wizeline is invested in its employees' growth, offering opportunities to create personalized career paths and develop in-demand skills. To help you reach your goals, we have access to LinkedIn Learning and Pluralsight, two top-tier platforms filled with high-quality content.