Lead Full Stack Software Engineer

Wizeline; Barcelona; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Professional development

Flexible culture

Total rewards

Job summary

Wizeline in Barcelona seeks a Lead Full Stack Software Engineer to drive architecture and deliver scalable web apps. You will mentor a team, enforce engineering best practices, and oversee CI/CD and testing to ensure high quality.

Work is hybrid (3 days in office, 2 days remote) with collaboration across product, design, and data teams on AWS-backed services and PostgreSQL databases.

Qualifications

• 8+ years of experience in architecting and building scalable web apps.
• Proficient with AWS services (S3, EC2, RDS, Lambda, API Gateway).
• Strong PostgreSQL and relational DB knowledge.
• Experience designing and running CI/CD pipelines.
• Proven leadership, mentorship, and engineering best practices.
• Fluent English suitable for international teams.

Responsibilities

• Lead the development and technical direction of full-stack web applications.
• Mentor developers and promote engineering best practices.
• Design, build, and optimize reusable components and APIs.
• Oversee CI/CD, testing strategies and code quality.
• Collaborate with cross-functional teams in Agile environments.

Skills

8+ yrs exp

AWS

PostgreSQL

CI/CD

Technical leadership

English (Advanced)

Tools

NestJS

Job description

Lead Full Stack Software Engineer – Full Stack

Hybrid – Barcelona, Spain

Work model: 3 days in the office and 2 days working from home.

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.

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

Key Responsibilities

• Lead the development and technical direction of full-stack web applications, ensuring high-quality, scalable, and maintainable solutions.


• Manage and mentor a team of developers, promoting engineering best practices, code reviews, and technical excellence.


• Design, build, and optimize reusable components, APIs, and software architectures.


• Oversee CI/CD processes, testing strategies, and code quality standards.


• Collaborate with cross-functional teams and stakeholders to deliver features and improvements within an Agile environment.

Must-have Skills

• 8+ years of experience architecting and developing scalable web applications.


• Hands-on experience with AWS cloud services, particularly S3, EC2, RDS, Lambda, or API Gateway.


• Strong knowledge of PostgreSQL and relational database technologies.


• Experience implementing CI/CD pipelines, using tools such as GitHub Actions or Jenkins.


• Proven experience providing technical leadership, mentoring developers, and driving engineering best practices.


• English: Advanced level (B2+ or equivalent), with the ability to communicate effectively with international teams.

Nice-to-have

• AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.


• Experience with NestJS.


• Background in the media, publishing, or digital news industry.

What we offer

• Commitment to Professional Development


• Flexible and Collaborative Culture


• Total Rewards

Specific benefits are determined by the employment type and location.