20 beste vacatures voor de functie van junior data in den haag (nieuwe medewerkers gezocht)

Junior Java Developer
Float IoT —Rotterdam
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- Java
- APIs
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- Continue verbetering
Junior Group & Project Travel Account Manager (parttime)
ITO TOURS —Leidschendam
- € 2.635 - € 2.895 per maand
- Parttime
- Verkoopervaring
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- Zonder diploma
Snel solliciteren
11 dagen
Junior Research Software Engineer for Sustainability Science - Full Stack
Universiteit Leiden —Leiden
- € 3.708 - € 5.057 per maand
- Fulltime
- Hybride werken
- Onderzoek
- Master
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Internship- Supply Chain AI, Data & Process Improvement
Pharming Group —Leiden
- Fulltime
- Microsoft Excel
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Junior Trade Support
Wilmar —Rotterdam
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(Junior) Accountant and Administrative Officer BeNeLux (mIfId)
Miltenyi Biotec —Leiden
- Fulltime
- Microsoft Excel
- ERP systemen
- Engels
- Reiskostenvergoeding
- Flexibele werkuren
Snel solliciteren
The Netherlands Marine Junior Operations Support Advisor
RINA —Rotterdam
- Engels
- Personeelswerving
Wireless Communication Systems Expert
TNO —Rijswijk
- € 3.530 - € 7.700 per maand
- Parttime
- Microsoft Excel
- Engels
- Master
- Flexibele werkuren
7 dagen
Quality Engineer (Test automation and Manual testing)
Exact —Delft
- Hybride werken
- Azure
- Informatica
- Salesforce
Internal Auditor Job
Aramco —Den Haag
- Financiën
- Master
- Projectmanagement
Quality Engineer – Exact payroll team (Test Automation & Manual Testing)
Exact —Delft
- Hybride werken
- Azure
- Informatica
- Salesforce
Engineering Team Leader E-house & Skid solutions
Siemens —Den Haag
- € 6.500 - € 8.000 per maand
- Fulltime
- Hybride werken
- Microsoft Excel
- Engineering
- Engels
2 uur
Front end developer
Officebooking —Rotterdam
- JavaScript
- HTML
Junior Business Controller
Hallmark —Capelle aan den IJssel
- Fulltime
- Microsoft Excel
- Engels
- Microsoft Office
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Junior Project Engineer
Hitachi Rail —Rotterdam
- Fulltime
- AutoCAD
- Engels
- Microsoft Office
5 dagen
Senior Data Scientist - Data & AI
FalconSmartIT —Den Haag
- Azure
- Informatica
- Master
Snel solliciteren
RF Engineer - Junior/Medior
ISISPACE —Delft
- € 3.538 - € 4.490 per maand
- Fulltime
- Hybride werken
- Engels
- Analytisch vermogen
- Bachelor
- Flexibele werkuren
Snel solliciteren
researcher in Safe Design for New Fuels
Hogeschool Rotterdam —Rotterdam
- € 3.826,54 - € 5.699,79 per maand
- Parttime
- Hybride werken
- Doctor
- Master
- Analytisch vermogen
Ervaren Project Controller/ Projectbeheersing - Internationale Power Distribution projecten
Siemens —Den Haag
- € 6.000 - € 7.200 per maand
- Parttime
- Hybride werken
- Engels
- Financiën
- Master
- Budget voor professionele ontwikkeling

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Junior Java Developer

Float IoT
Rotterdam

Nu solliciteren

Vacaturegegevens

Fulltime

Kwalificaties

React
Internet of things
Git
Java
Docker
PostgreSQL
REST
APIs
Kafka
TypeScript
Nederlands
Debuggen

Volledige vacaturetekst

Rotterdam, The Netherlands

Full-time

English (required), Dutch (optional)

Are you ready to accelerate your career as a Java Developer and work on cutting-edge IoT solutions? At Float IoT, we are looking for a Junior Java Developer to join our IoT Gatekeeper team. This is an exciting opportunity to gain hands-on experience in backend development, and real-time data processing, all while working in a supportive and collaborative environment.

As part of the team, you’ll contribute to the development and optimization of the IoT Gatekeeper, our secure, scalable platform that enables water utilities to manage their connected devices efficiently. You’ll work with modern technologies, learn from experienced developers, and have a clear path for career growth.

If you are detail-oriented, eager to learn, and passionate about problem-solving, we’d love to hear from you!

What you’ll do

Develop and maintain Java-based backend services for the IoT Gatekeeper.
Methodically identify and resolve issues, ensuring high system reliability.
Gain experience with RESTful APIs, PostgreSQL, and distributed systems.
Collaborate with senior developers and grow your skills in scalable backend architecture.
Work on solutions that securely manage thousands of connected devices in water utility networks.

What you bring

2+ years of Java development experience.
Strong attention to detail and a methodical approach to debugging.
Familiarity with Git and version control best practices.
Eager to learn about Kafka, TimescaleDB (PostgreSQL), and Docker – experience is a plus!
Enthusiasm for IoT, distributed systems, and real-world problem-solving.

About the IoT Gatekeeper

The IoT Gatekeeper is Float IoT’s dedicated IoT platform for managing and securing connected water utility devices. It provides:

Centralized device authentication for secure access management.
Event-driven data processing using Apache Kafka.
Real-time monitoring and analytics for large-scale water distribution networks, handling hundreds of millions of messages.
A secure and scalable architecture using a modern tech stack:

Tech Stack:

Java 11
Apache Kafka
TimescaleDB (PostgreSQL)
React (TypeScript)
Docker

What we offer

Exciting, fast-paced projects: Work on innovative IoT solutions that have a real-world impact.
A mission that matters: Help shape the future of water management and sustainability.
A culture that rewards initiative: Your ideas and input matter. Take ownership of your work and make a difference.
Attractive compensation and benefits: Competitive salary, flexibility, and a supportive team of top-tier engineers.

Interested?

Do you recognize yourself in this role and do you want to be part of our enthusiastic team? Then send your CV, and other relevant documents such as Git if applicable, to [email protected]. For questions you can contact via the same e-mail address.

Nu solliciteren

Verfijn je zoekopdracht

junior data vacatures in den haag

Junior Java Developer

Customer Success Representative

Junior Group & Project Travel Account Manager (parttime)

Junior Research Software Engineer for Sustainability Science - Full Stack

Internship- Supply Chain AI, Data & Process Improvement

Junior Trade Support

(Junior) Accountant and Administrative Officer BeNeLux (mIfId)

The Netherlands Marine Junior Operations Support Advisor

Wireless Communication Systems Expert

Quality Engineer (Test automation and Manual testing)

Internal Auditor Job

Quality Engineer – Exact payroll team (Test Automation & Manual Testing)

Engineering Team Leader E-house & Skid solutions

Front end developer

Junior Business Controller

Junior Project Engineer

Senior Data Scientist - Data & AI

RF Engineer - Junior/Medior

researcher in Safe Design for New Fuels

Ervaren Project Controller/ Projectbeheersing - Internationale Power Distribution projecten

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van junior data in den haag

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