Full-Stack Intern: Build End-to-End Features & Dashboards

Telespazio Be; Katwijk; On-site; EUR 3,300 - 6,700; Full time

Job summary

Telespazio Belgium invites highly motivated interns for a Full-Stack Intern position at our SCoE in Katwijk aan Zee. You will work on end-to-end features including DB schemas, REST APIs in Spring Boot, and a React UI using Mantine, helping to build CRUD tables, filters, and dashboards.

Under mentorship, you will write automated tests, commit meaningful changes, and own small slices of the product from design to completion.

Qualifications

• Pursuing a WO/HBO/Bachelor with interest in full-stack development.
• Familiar with Java/Kotlin, Spring Boot, REST and JSON.
• Basic React+JS/TS knowledge and using a component library.
• SQL basics and ability to write simple queries.
• Git/GitLab basics and English document reading.

Responsibilities

• Implement end-to-end features including DB schema, REST APIs in Spring Boot, and UI with React + Mantine.
• Build CRUD tables with filtering/sorting, validated forms, and simple dashboards.
• Add CSV import flows with server-side validation and UI feedback.
• Write automated tests (unit/integration) and keep code clean.
• Under mentorship, own small slices of the product from design to done.

Skills

Java fundamentals

Kotlin

Spring Boot

REST

JSON

React

JS/TS

Mantine

SQL fundamentals

GitLab basics

English reading

Kotlin experience

Education

Dutch WO or HBO student

Tools

Mantine UI

Job description

Telespazio Belgium invites highly motivated interns for a Full-Stack Intern position at our SCoE in Katwijk aan Zee. You will work on end-to-end features including DB schemas, REST APIs in Spring Boot, and a React UI using Mantine, helping to build CRUD tables, filters, and dashboards.

Under mentorship, you will write automated tests, commit meaningful changes, and own small slices of the product from design to completion.