Vacant job

Description

We are currently looking for a senior system developer with expertise in Optimizely on behalf of our client for an exciting and developing assignment within digital services with high business impact. The role combines technical responsibility with the opportunity to influence architecture, working methods, and user experience in an agile environment with engaged colleagues.

Responsibilities

• Develop and maintain web platforms based on Optimizely

• System development in C# and .NET

• Participate in agile processes and collaborate with UX, testers, architects, and business

• Ensure quality, performance, and long-term sustainability of the solutions

• Contribute with technical improvements, code reviews, and best practices

• Collaborate with other development teams for integration and functionality

Qualifications

• At least 9 years of experience in system development

• At least 7 years of experience with Optimizely (Episerver)

• At least 7 years of experience with C# and .NET

• At least 5 years of experience with Azure or another cloud environment

• Good experience with SQL, web services, HTML, and CSS

• At least 5 years of experience with JavaScript and modern frameworks (Angular/Vue)

• Experience with agile work

• Very good knowledge of Swedish

Desired Qualifications

• Experience with Git and DevOps processes

• Strong ability to work independently and drive technical initiatives

• Experience with cross-functional collaboration

Assignment Information

• Start: February 2026

• End: July 2026

• Scope: 100%

• Location: Stockholm, with the possibility of remote work

• Presence: On-site 2–3 days per week

Application

Selection is ongoing. The assignment may be filled before the application deadline – submit your application immediately.