We Are

Wizeline, a integral AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there’s no limit to what we can achieve

Are you a fit?

Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:

Key Responsibilities

- Take full technical ownership of multiple products, including building new features, implementing technical improvements, and providing support to editorial teams.
- Design, develop, and maintain scalable web applications using JavaScript, React, and Node.js.
- Develop and maintain GraphQL APIs using Node.js, with NestJS experience as a plus.
- Design and optimize cloud-based applications and services using AWS.
- Work with PostgreSQL and other database technologies to build reliable and scalable data solutions.
- Lead and provide technical direction to a team of junior developers.
- Establish and enforce software engineering best practices, including coding standards, code reviews, Git, CI/CD, and automated testing.
- Continuously optimize application architecture, performance, scalability, maintainability, and reliability.
- Build and promote reusable components and solutions that can be leveraged across multiple products and teams.
- Collaborate with stakeholders and technical teams to communicate solutions, demonstrate work, identify risks, and drive projects forward.
- Work effectively in a fast-paced, agile environment while meeting critical project timelines.
- Provide technical guidance and independently drive solutions while seeking feedback when appropriate.

Must-have Skills

- 5+ years of experience architecting and building scalable web applications.
- Expert-level JavaScript skills with strong experience developing applications using React.




- Extensive experience building GraphQL APIs with Node.js.
- Strong experience with AWS, including:
- S3
- EC2
- RDS
- API Gateway
- CloudFront
- Lambda

- In-depth knowledge of database technologies with hands-on experience using PostgreSQL.
- Real-world experience implementing and maintaining CI/CD pipelines using tools such as GitHub Actions or Jenkins.
- Strong understanding of software architecture, scalability, performance, and maintainability.
- Experience with software engineering best practices, including unit testing, code reviews, Git, documentation, and coding standards.
- Experience providing technical direction and mentoring junior developers.
- Strong communication and collaboration skills, with the ability to work effectively with technical and non-technical stakeholders.
- Ability to work independently, identify risks, and drive solutions in a fast-paced agile environment.

Nice-to-have

- AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including coding, drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.
- Experience with NestJS.
- Experience building reusable components, shared libraries, or platforms following an open-source mentality.
- Experience working in the media and publishing industry.
- Experience building tools or platforms used by editorial, content, or newsroom teams.
- Experience designing highly scalable and high-performance web applications.
- Strong understanding of cloud-native and distributed application architectures.
- Experience optimizing application performance, reliability, and maintainability.
- Experience working with multiple engineering teams and driving technical standards across teams.

What We Offer

- A High-Impact Environment
- Commitment to Professional Development
- Flexible and Collaborative Culture
- Global Opportunities
- Vibrant Community
- Total Rewards
- Specific benefits are determined by the employment type and location.

Find out more about our culture here.

📌 Lead Fullstack Software Engineer (Javascript - Barcelona)
🏢 Wizeline
📍 Barcelona