OPEN
OPEN
OPEN is a Nordic payments and point-of-sale technology company serving hospitality, retail, electric vehicle charging, and fuel businesses. Founded in 2005, the company operates across Sweden, Norway, Finland, and Denmark, developing industry-specific POS systems, payment terminals, and cloud-connected SaaS services. Its platform combines business integrations, inventory management, real-time analytics, and digital payment tools, supported by round-the-clock assistance for both startups and established enterprises.

C# .NET Developer at OPEN (Hybrid, France)

Join OPEN as a C#/.NET Developer supporting banks and financial institutions with application projects. Design Front Office tools and help deliver ongoing technical improvements.

Description

  • Act as the link between users and development teams
  • Price products and help develop new trading techniques
  • Build decision-support tools for Front Office teams, including traders, salespeople, and structurers
  • Follow Clean Code, Craftsmanship, TDD, and BDD practices
  • Contribute to Agile Scrum project status meetings
  • Prepare specifications and carry out testing
  • Review code produced by the entity’s development teams
  • Validate technical improvements
  • Deploy technical improvements to test environments
  • Monitor and support production systems

Requirements

  • Bring at least six years of professional .NET development experience
  • Demonstrate strong expertise in .NET
  • Demonstrate strong expertise in .NET Core
  • Demonstrate strong expertise in Angular
  • Demonstrate strong expertise in C#
  • Demonstrate strong expertise in Git
  • Demonstrate strong expertise in GitHub
  • Demonstrate strong expertise in Jenkins
  • Demonstrate strong expertise in Jira
  • Demonstrate strong expertise in Oracle
  • Demonstrate strong expertise with SQL Server databases
  • Communicate proficiently in English
  • Have experience working in an Agile environment
  • Show strong interpersonal skills and a proactive approach

Benefits

  • Receive close support from an attentive manager and dedicated Human Resources Officer
  • Work within a values-led, supportive company and friendly team environment
  • Access internal and external training opportunities
  • Join the Expert community and contribute to internal initiatives such as recruitment, onboarding, new-hire training, and webinars

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