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Wizeline

Global software engineering and digital transformation

Lead Fullstack Software Engineer - JavaScript

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeBarcelona, SpainNo salary listedIn-person

About the Job

Requirements

  • At least 5 years of experience architecting and building scalable web applications.
  • Expert-level JavaScript skills and strong experience developing applications with React.
  • Extensive experience building GraphQL APIs with Node.js.
  • Strong experience with Amazon Web Services, including S3, EC2, RDS, API Gateway, CloudFront, and Lambda.
  • In-depth knowledge of database technologies and hands-on experience with PostgreSQL.
  • Real-world experience implementing and maintaining continuous integration and continuous delivery 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 technical and non-technical stakeholders.
  • Ability to work independently, identify risks, and drive solutions in a fast-paced agile environment.

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.
  • Design and optimize cloud-based applications and services using Amazon Web Services.
  • 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, continuous integration and continuous delivery, 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.

Desired Qualifications

  • Proficiency with one or more artificial intelligence tools for coding, drafting, analysis, research, or process automation, including recommending effective uses and identifying workflow opportunities.
  • 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.

About the Company

Wizeline

Global software engineering and digital transformation

Wizeline is a global technology services firm that helps organizations accelerate digital transformation and build software products. It delivers customized solutions through project-based fees, long-term contracts, or consulting, with engagement models that include embedded Studio teams, autonomous Project pods, and flexible Staff augmentation. Its services cover software development, AI, cloud and data engineering, and user experience design, focusing on modernizing core technologies and enabling data-driven decision making. CDPQ’s majority stake and the leadership change from founder Bismarck Lepe to Andres Angelani reflect its scale, while Wizeline aims to help clients ship better products faster and grow their technical capabilities.

Company size
1,001-5,000
Company stage
Series B
Total funding
$62.1M
Headquarters
Guadalajara, Mexico
Founded
2013

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