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Mobile & Web App Developer

's-Hertogenbosch, Noord-Brabant
Voor onze klant XEMEX zijn wij op zoek naar een Mobile & Web App Developer
 
Start 01-07-2025
Einddatum 30-09-2028
Optie op verlenging Ja
Uren per week 36-40
Locatie Den Bosch, zo nu en dan Antwerpen + Remote
Bijzonderheden Deze aanvraag is geschikt voor ZZP'ers (geen doorleen). 
Tarief Er is geen geen max. tarief gegeven dus graag marktconform aanbieden
Deadline 01-07-2025 om 17.00

Opdrachtomschrijving

Mobile & Web App Developer (Fulltime)

Xemex develops smart technologies and cloud services in the field of energy. This is how we make the use, management and generation of energy more efficient, affordable and sustainable. With live insight and control over energy consumption, we support end users, installers and energy companies in optimizing energy management. Our transparent systems work with the most common types of energy and devices. We accelerate the energy transition and we build a sustainable future. Xemex stands for balance in energy with innovative, scalable solutions.

Your job:
You will take ownership of both mobile and web app development and interface design, ensuring that our mobile solutions are robust, visually compelling, and user-friendly.

Key responsibilities: 
  • Design and build cross-platform mobile applications using Flutter and Dart
  • Design and build web portal (SPA) using Angular and JavaScript
  • Create detailed UX flows, wireframes, and high-fidelity UI mockups in Figma
  • Translate Figma designs into pixel-perfect, performant mobile UIs
  • Collaborate with product, backend, and hardware teams to define and deliver user-centered features
  • Incorporate real-time data visualizations, device controls, and user feedback into the mobile interface
  • Conduct user research and usability testing to refine designs
  • Maintain consistency through reusable design components and style guides in Figma

What you bring (graag puntsgewijs motiveren):
  • 2+ years of experience in mobile app development using Flutter and Dart
  • 2+ years of experience in web portal development using Angular
  • Strong command of Figma for UI/UX design, prototyping, and design systems
  • Demonstrated ability to take a design from concept to code
  • Solid understanding of mobile UX principles and best practices for iOS and Android
  • Experience with RESTful APIs, real-time data (MQTT/WebSockets), and JSON
  • Familiarity with state management approaches
  • Strong portfolio showcasing both Flutter apps and Figma design work
  • Familiarity with data visualization in mobile apps
  • Experience working with version control (Git) and CI/CD pipelines
  • Knowledge of accessibility and performance optimization in mobile apps
Graag ontvang ik het CV van mogelijk passende kandidaten. Hou bij aanbieden rekening met de onderstaande punten (zonder deze info kan het CV helaas niet mee worden genomen in de selectie!):

1.Nederlandstalig CV (Word doc.) van max 5 a 6 pagina's. Indien een Engelstalig CV nodig is dan staat dit in de aanvraag bij de eisen vermeld.

2.Motivatie gericht op de vacature. Dit kan kort d.m.v. ja de ervaring heb ik opgedaan / de werkzaamheden heb ik gedaan in de perioden x  bij de organisaties y. Dus puntsgewijs per eis, wens en werkzaamheden (graag deze ervaring & werkzaamheden in het CV vermelden in de betreffende perioden).

Naast de puntsgewijze motivatie van de wensen ook het aantal punten er bij vermelden; zie kolom beoordeling, dit geldt alleen voor de ICTU aanvragen!

3.Volledige naam + de officiële voorletters zoals in het paspoort staat
4.Woonplaats
5.Geboortedatum
6.Vakantieplannen in de komende 3 maanden

Met vriendelijke groet,

Michael Blaauw
FlexValue
+31613778889
michael
@flexvalue.nl
www.flexvalue.nl


 
  • Incorporate real-time data visualizations, device controls, and user feedback into the mobile interface
  • Conduct user research and usability testing to refine designs
  • Maintain consistency through reusable design components and style guides in Figma

What you bring:
  • 2+ years of experience in mobile app development using Flutter and Dart
  • 2+ years of experience in web portal development using Angular
  • Strong command of Figma for UI/UX design, prototyping, and design systems
  • Demonstrated ability to take a design from concept to code
  • Solid understanding of mobile UX principles and best practices for iOS and Android
  • Experience with RESTful APIs, real-time data (MQTT/WebSockets), and JSON
  • Familiarity with state management approaches
  • Strong portfolio showcasing both Flutter apps and Figma design work
  • Familiarity with data visualization in mobile apps
  • Experience working with version control (Git) and CI/CD pipelines
  • Knowledge of accessibility and performance optimization in mobile apps

 

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