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 general 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 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. 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. 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:

Commitment to Professional Development Flexible and Collaborative Culture Total Rewards *Specific benefits are determined by the employment type and location.

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📌 Lead Fullstack Engineer (Javascript) (Madrid)
🏢 Wizeline
📍 Madrid