Fullstack Developer

Vattenfall AB(Noord-Holland)

company logo
salary icon

Tarief/Salaris

€Geen max uurtarief

location icon

Locatie

Noord-Holland

hours icon

Inzet

36 uur p/w

type icon

Dienstverband

ICT Informatievoorziening

date icon

Gepubliceerd

30 april, 2026

expiry icon

Deadline

4 mei, 2026

De Opdrachtomschrijving

The Full-Stack Developer is a web engineer or web developer that deals with the front-end and back-end (and everything in-between) of an application or website. The Full-Stack Developer can work with any stack—mobile, web, or native applications. The Full-Stack Developer writes both front-end and back-end code; Designs user interfaces on web pages; Creates databases and servers for functionality; Ensures cross-platform optimization (e.g., laptops, tablets, smartphones); Has a high-level understanding of the organization’s systems and processes; Detects errors in the front or back ends; Maintains good communication with the UI/UX Developer and other team members regarding matters such as user-experience issues and design rationale; Oversees a development project from start to finish. Role Overview As a Senior Full-stacker with focus on back-end in the OSI team, you will design and deliver scalable, production-ready backend solutions that enable accurate customer offerings. Using .NET and Azure, you’ll build cloud-native and event-driven systems that drive innovation and business impact. You’ll collaborate closely with developers and stakeholders, contributing across the stack with a hands-on, pragmatic approach. The team, described as a team with an open working culture, currently consists of 6-7 other developers which will grow on the short term. Key Responsibilities Design, build, and maintain backend services using .NET on Azure Write clean, maintainable, and well-tested code with proper documentation Make informed technical decisions (performance, scalability, cost, reliability) Implement event-driven architectures for efficient system communication Own features end-to-end: discovery, design, development, testing, deployment, and monitoring Share best practices in code quality, security, and performance Collaborate with cross-functional teams to deliver complete solutions You’ll also contribute to architectural decisions, balancing business needs with technical excellence, and ensuring solutions are secure, scalable, and future-proof.

De Eisen

5+ years of development experience, focus on back-end.
Strong expertise in .NET Core and C#, knowledge of Angular or similar framework
Hands-on experience with Azure (e.g., Functions, Service Bus, Event Grid, Key Vault, App Insights, Container Apps)
Experience with event-driven architectures and messaging systems (e.g., Kafka)
Familiar with Infrastructure as Code, CI/CD pipelines, and containers (Docker/Kubernetes)
Clear and proactive communication with technical/non-technical stakeholders
Strong focus on code quality, security, and performance
Collaborative mindset with DevOps and frontend teams
Curiosity and creativity in applying new technologies such as working with Copilot/Cursor and agentic AI in general
Commitment to building impactful, future-oriented solutions
Work experience in the energy sector is preferred but not mandatory.5+ years of development experience, focus on back-end.Strong expertise in .NET Core and C#, knowledge of Angular or similar frameworkHands-on experience with Azure (e.g., Functions, Service Bus, Event Grid, Key Vault, App Insights, Container Apps)Experience with event-driven architectures and messaging systems (e.g., Kafka)Familiar with Infrastructure as Code, CI/CD pipelines, and containers (Docker/Kubernetes)Clear and proactive communication with technical/non-technical stakeholdersStrong focus on code quality, security, and performanceCollaborative mindset with DevOps and frontend teamsCuriosity and creativity in applying new technologies such as working with Copilot/Cursor and agentic AI in generalCommitment to building impactful, future-oriented solutionsWork experience in the energy sector is preferred but not mandatory.

De Wensen

Geen wensen geformuleerd.

Interesse? Zo werkt het bij Bij Oranje

1

Snelle screening!

  • • We beoordelen je CV op een match met de opdracht.
  • • We controleren of je voldoet aan de harde eisen en wensen.
  • • We adviseren je over een concurrerend tarief op basis van marktdata.

binnen 1 werkdag weet je waar je aan toe bent.

2

Wij verzorgen een professioneel voorstel dat opvalt.

  • • We optimaliseren je voorstel voor maximale overtuigingskracht.
  • • Voorwaarden en tarieven stemmen we vooraf 100% transparant af.
  • • We begeleiden je intensief tijdens het selectieproces.
  • • Jij behoudt de regie; wij faciliteren en versnellen.
3

Starten met je opdracht

ZZP
  • • 10% vaste marge over je uurtarief
  • • Razendsnelle betaling: binnen 1 werkdag na ontvangst van de klant
  • • Volledige vrijheid: geen concurrentie- of relatiebeding
DETACHERING
  • • 15% marge van het uurtarief
  • • Restant volledig verloond als brutoloon
  • • Netto betaling binnen 1 werkdag na betaling klant
  • • Geen beperkende bedingen voor de toekomst

Reageer Direct

De opdracht sluit 04-05-2026
Je hebt nog 4 dagen om te reageren.
Reageer minstens 1 dag voor de sluitingstijd van deze opdracht.

Eventuele motivatie volgt in een latere fase van het proces.