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Lead Fullstack Software Engineer (JavaScript)
On-site in Barcelona·Full-time·Added 10 days ago
Overview
Job details
Full-time hours
Per the ad.
Requirements
Have the right to work in Spain
Wizeline doesn't mention sponsorship in the ad.
Work on-site in Barcelona
No relocation package mentioned.
Have 5+ years of experience
Lead-level role.
Pay & benefits
What you'll get
- A High-Impact Environment
- Commitment to Professional Development
- Flexible and Collaborative Culture
- Global Opportunities
- Vibrant Community
- Total Rewards
Requirements
What we're looking for
- 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.
The role
What you'll do
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.
How you'll work
*Specific benefits are determined by the employment type and location.
Find out more about our culture here.
description
With the right people and the right ideas, there's no limit to what we can achieve
Are you a fit?
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Must-have Skills
Nice-to-have:
About Wizeline
Wizeline is a global software engineering and product development company that partners with enterprises to build digital platforms, data solutions, and AI-driven products. Founded in 2014, the company has grown to over 1,000 employees across offices in the Americas, Europe, and Asia, serving clients in industries such as finance, healthcare, retail, and technology. Wizeline is known for its agile delivery model, combining engineering, design, and data science to help organizations modernize their technology stacks and scale innovation.
In Spain, Wizeline has a significant presence with offices in Barcelona and Madrid, where it hires engineers, data specialists, and AI/ML experts. The company is actively expanding its Spanish teams, offering hybrid work models and opportunities to work on global projects with international clients. For international professionals, Wizeline provides a multicultural environment, English as the working language, and a strong focus on continuous learning and career growth, making it an attractive option for those looking to relocate to Spain.
- Industry
- Software Engineering
- Founded
- 2014
- Employees
- 1,000–5,000
- Headquarters
- San Francisco, USA
- In Spain
- Barcelona, Madrid
- Website
- wizeline.com
Good to know if you are moving
- Wizeline has offices in Barcelona and Madrid, with hybrid work options for many roles, making it easier for international hires to settle in Spain.
- English is the primary working language at Wizeline, so non-Spanish speakers can work comfortably without needing to learn Spanish immediately.
- The company offers a global, multicultural environment with teams across the Americas, Europe, and Asia, providing exposure to diverse projects and clients.
- Wizeline invests in employee development through learning programs, mentorship, and opportunities to work on cutting-edge AI and cloud technologies.
- Spain-based roles often include competitive compensation packages and support for relocation, though specifics vary by position.
In their own words
About the company & team
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.
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