Intern Full Stack Developer (Estimation Website)

S53I DEME Dredging NV

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Belgium Until 10/5/2026 First posted August 6, 2026 Last posted August 6, 2026
Job description
As an Intern Full Stack Developer (Estimation Website), you will build a web application that allows teams to estimate integration requests based on complexity, dependencies, and required effort. The tool should provide a clear workflow: create request → select parameters → automatic calculation → overview of all active requests. It will also incorporate a feedback loop to check how accurate assessments are.

Your responsibilities

  • Design and develop a modern full‑stack web application

  • Build REST APIs in .NET for storing and retrieving estimations

  • Implement the SQL database and data access layer

  • Develop the UI in React with reusable components

  • Deploy the solution to RedHat OpenShift

  • Write unit and integration tests

  • Document the solution and present it to stakeholders

Your profile

  • Full‑stack interest - You enjoy working across the stack and want to build a complete application end‑to‑end.

  • Basic .NET skills - You can work with C#/.NET or are eager to learn it to build REST APIs

  • SQL understanding - You know how to design simple data models and write queries

  • React fundamentals - You have experience with JavaScript/TypeScript and want to build clean, reusable UI components

  • Structured problem‑solving - You can translate complex input into a clear workflow and logic

  • Attention to quality - You care about writing reliable code and tests

  • Language skills - You communicate fluently in Dutch and English

Our offer

  • A people-oriented work environment with a strong focus on the well-being of our employees

  • A permanent training offer that enables personal and professional development

  • Our office is located in Zwijndrecht and also accessible by Waterbus or shuttle

About this role

Summary

Develop a full-stack web app with APIs, database, UI, and deployment.

Job title

Intern Full Stack Developer (Estimation Website)

Experience level

entry level

Industry

software

Location requirements

Belgium, remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

C#/.NETSQLJavaScript/TypeScriptreactunit testing

Preferred skills

None specified

Specializations

full stack.NETSQLreact
Locations

Structured locations inferred from the posting.

Belgium

Work arrangement unknown Country