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Location

Leiria, Portugal

Salary

According to demonstrated Experience and Culture Fit

Job Type

Full-time

Date Posted

April 6th, 2026

View All Jobs

REACT Developer Intern at Leadzai

Location

Leiria, Portugal

Salary

According to demonstrated Experience and Culture Fit

Job Type

Full-time

Date Posted

April 6th, 2026

Apply Now

View All Jobs

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REACT Developer Intern 

Are you a student or recent graduate eager to build web applications that have an impact on thousands of SMBs? At Leadzai, we are looking for a React Developer Intern to join our frontend team. This isn’t just a "coffee-run" internship; you will be working on our core web application, building features that integrate with tech giants like Google, Meta, and Microsoft.


 

You can know more about us here

Always great to know our Product, and the Team you will be working with.


 

What will your “daily grind” look like?‍

  • Build & Learn: Contribute to our core React app alongside senior mentors who are invested in your growth.
  • Collaborate: Work in an agile environment, participating in planning sessions where your ideas on UI/UX and component design actually matter.
  • Global Impact: Help maintain integrations with third-party systems that power our digital marketing platform.
  • Code Quality: Learn the ropes of writing clean, maintainable, and efficient code through active code reviews.


 

What we're looking for:

We value potential and curiosity over years of experience. If you have a solid foundation and a "can-do" attitude, we want to talk to you.

Required basics:

  • Frontend Frameworks Fundamentals: You’ve built projects (even personal ones) using ReactJS, VueJS or other frameworks.
  • Web Basics: Strong understanding of HTML5, CSS3, and how to use UI libraries to make things look sharp.
  • The Logic: Familiarity with data structures and at least one Object-Oriented language (Java, C#, etc.), preferably Javascript.
  • API Savvy: You know how to fetch data from a REST API and display it.
  • Communication: Strong English skills (we are a global team!).
  • Constant pursuit for excellence.
  • Strong capacity of Time and Priorities Management.
  • Strong knowledge of English, written and spoken.

Bonus Point:

  • Experience with ReactJS or GraphQL.
  • Experience with TypeScript
  • Familiarity with the basics of version control (branches, commits, pull requests).
  • A passion for Digital Marketing or the AdTech industry. 
  • Knowledge of the Digital Marketing Business.

 

The Leadzai Experience

We manage by principles and founding beliefs. And you can only be happy at Leadzai, if you are strongly aligned with our DNA, the Rules we live by and Values. In one idea, being fully aligned with Leadzai Culture.

We trust our people. We trust each other. We are responsible adults, committed and deeply engaged with the success of Leadzai.

We operate within the principle of individual liberty strongly aligned with maximum collective responsibility. 

Work From Where You Want

We work from wherever we prefer and best suits the tasks we are dealing with. Make sure that you have the adequate conditions to work, meet and interact with others (within or outside Leadzai). 

In case you prefer to work from an office, we have offices in Leiria and Braga, and we can use the Regus network of co-work spaces.

Manage Your Rest Time

At Leadzai, we trust our teams and our people to manage their personal and professional needs.

Free Working Schedule

We trust that our team can manage and deliver on their work. We don't require anyone to keep working logs or fix to a strict schedule.

Health Insurance

All Employees with Work Contracts in Portugal are entitled to Health Insurance.

Mental Health Program

Leadzai is committed to supporting your well-being, through a partnership of mental health services. 

Free Online Courses

We have access to hundreds of online courses via an Online Platform.

Flex Benefits

We have a policy and a tool where our People can choose from a wide range of Flex Benefits.

Stock Options

Leadzai has an Employee Stock Options Plan in place. 


 

Apply Now

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