Back End Developer

Vattenfall AB(Noord-Holland)

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Tarief/Salaris

€Geen max uurtarief

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Locatie

Noord-Holland

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Inzet

36 uur p/w

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Dienstverband

ICT Informatievoorziening

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Gepubliceerd

30 april, 2026

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Deadline

4 mei, 2026

De Opdrachtomschrijving

The Back-End Developer establishes the web development activities that are done at the back end of programs. The Back-End Developer covers server-side web application logic and integration and activities, like writing APIs, creating libraries, and working with system components instead of frontend development, which focuses on customer-facing services and programs. The Back-End Developer focuses on the design effective and efficient solutions by analysing the website’s performance demands and goals; Development and administration of Application Programming Interfaces (APIs); Develops data acceptance and storage solutions for websites; Write, test, and maintain development solutions for code-related problems; Identifies new features with developers, designers, and system administrators; Creates a website architecture by utilizing correct product lifecycle approaches, such as Agile Scrum and frameworks; Organizes the system logic; Provide remedies to difficulties with the system; Debugs and troubleshoots apps. Role Overview As a Senior Backend Developer in the Omega team, you will design and deliver scalable, production-ready backend solutions that enable customers to monitor their energy usage. Using .NET and Azure, you’ll build cloud-native 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. 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

7+ years of backend development experience
Strong expertise in .NET Core and C#
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 and 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
Commitment to building impactful, future-oriented solutions
Work experience in the energy sector is preferred but not mandatory.7+ years of backend development experienceStrong expertise in .NET Core and C#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 and non-technical stakeholdersStrong focus on code quality, security, and performanceCollaborative mindset with DevOps and frontend teamsCuriosity and creativity in applying new technologiesCommitment 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
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