ICT vacatures Haarlem

Fixed Term Employment | GeekSoft Consulting | Netherlands

Posted On 29.01.2026

Technology

Work Experience 8+ years

State/Province Noord-Holland

City Amsterdam

1022

• Help design, build and continuously improve the clients online platform.
  
• Research, suggest and implement new technology solutions following best practices/standards.
  
• Take responsibility for the resiliency and availability of different products.
  
• Be a productive member of the team.
  

• 3+ years of hands-on Python development experience, including strong proficiency in unit testing and code quality practices.
• Embrace and actively work within an Agile startup methodology, contributing to fast-paced, iterative product development.
• Create and maintain clear, up-to-date technical documentation to support knowledge sharing and scalability.
• Contribute to continuous delivery pipelines using tools such as Jenkins, ArgoCD, Azure DevOps, and GitHub Actions.
• Proactively identify and reduce technical debt, promoting clean, maintainable, and scalable codebases.
• Design and develop Python-based software solutions, including robust algorithms tailored to the electricity sector ecosystem.
• Collaborate in a predominantly open-source engineering environment, leveraging modern development and DevOps practices.
• Work closely with cross-functional teams, demonstrating strong communication and collaboration skills in English.
• Experience working with CI/CD tools such as Jenkins, Azure DevOps, and GitHub Actions.
• Strong working knowledge of JIRA for Agile project tracking and delivery.
• Familiarity with Kafka and big-data platforms within the Hadoop ecosystem (HDFS, Hive, Impala).
• Practical experience with Git, Docker, and Kubernetes in cloud-native environments.
• Mandatory experience in algorithm development within the electricity / energy sector.
• Fluency in Dutch.
  
• A challenging, innovating environment.
  
• Opportunities for learning where needed.