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Fullstack Developer

Vattenfall ABAnne Frankstraat 30, 1183 BZ Amstelveen, Nederland, Noord-Holland
Startdatum 25 - 05 - 2026
Einddatum 31 - 12 - 2026
7.878,72 p/m 50,50 p/u
36 uur p/w
8 maanden
Noord-Holland
ICT

Publicatiedatum: 30 april 2026

Optie tot verlenging: Niets over bekend.

Werkplek: Hybride werken | Office presence (Amsterdam) is needed on 1 or 2 days per week. This is often on Wednesday but can be discussed within the team.

Opleidingsniveau: Niet bekend

Werkervaring: Senior

Hoe ga jij impact maken?

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 stackmobile, 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 organizations 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.

Eisen

Vereisten

  • 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)
  • Dutch speaking is required for this position.

Wensen en competenties

Wensen

  • Work experience in the energy sector is preferred but not mandatory.

Competenties

  • 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

Organisatie & Team

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.

Deze voorwaarden bieden we jou

Als ervaren specialist bieden wij jou passende voorwaarden.

Hoog salaris bij Impact Vandaag. Het bruto salaris is € 7.878,72 p/m o.b.v. € 50,50 p/u en 36 uur per week.
Transparante pro-forma berekening.
Vakantiegeld van 8% en een vast aantal vakantiedagen per jaar (fulltime basis).
Zorgeloze naleving van de Wet DBA.
Doorbetaling bij ziekte volgens CAO.
Een contract voor de duur van de opdracht, met optie tot verlenging afhankelijk van de functie en organisatie.
Pensioenopbouw via de regeling voor uitzendkrachten.
Reiskostenvergoeding afhankelijk van de functie en organisatie.

Naast de contractuele voordelen, bieden we extra dienstverlening als je voor Impact Vandaag kiest. Benieuwd naar onze dienstverlening?

Stappenplan voor deze vacature

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Vind je deze vacature interessant? Klik op solliciteren en stuur je cv mee. Binnen 48 uur neemt één van onze adviseurs contact met je op. We kijken daarbij:

  • Of jouw profiel geschikt is voor de functie op basis van de gevraagde eisen, wensen en competenties.
  • Of je past bij de organisatie.

Past de vacature bij jouw profiel? Dan neemt onze Opdracht Adviseur contact op over jouw sollicitatie en cv. Je kunt je contactvoorkeuren doorgeven in jouw profiel.

Solliciteren bij Impact Vandaag

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