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Lead Fullstack Software Engineer (Javascript - Barcelona)

Wizeline

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

Work with

  • Lead and provide technical direction to a team of junior developers.
  • Establish and enforce software engineering best practices, including coding standards, code reviews,
  • 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.

Requirements

  • 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

Preferred

  • Experience building reusable components, shared libraries, or platforms following an open-source mentality.
  • Experience working in the

We are

Wizeline, a global 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:

AWS

  • PostgreSQL and other database technologies to build reliable and scalable data solutions.
  • Git

CI/CD

  • , and automated testing.
  • Provide technical guidance and independently drive solutions while seeking feedback when appropriate.

, 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.

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 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