Senior .NET/Optimizely Developer

2 days ago

Stockholm, Stockholm, Sweden Tenth Revolution Group Full time 120,000 - 180,000 per year


Senior .NET / Optimizely Developer - Stockholm (Hybrid)

Permanent or Contract | 5+ years' experience | Public-sector focused projects

A well-respected Swedish digital solutions provider is looking for experienced
Senior .NET / Optimizely Developers
to join their growing team. The company builds modern, user-centric platforms for mission-driven organisations across both the public and private sector, with a strong focus on quality, accessibility, and long-term value.

About the Role

In this position, you will help design, develop, and evolve solutions using
Optimizely CMS
and the
.NET platform
. You'll work closely with UX designers, project managers, and clients from initial needs analysis and architecture through to development and continuous improvement.

The work is meaningful, technically challenging, and central to delivering secure, accessible, and user-focused digital services.

Key Responsibilities

  • Develop and enhance digital solutions in
    Optimizely CMS / DXP
  • Build backend functionality using
    C# / .NET
  • Work on integrations and frontend components (HTML, CSS, JS, React/Next)
  • Ensure accessibility, security, and performance best practices
  • Take technical ownership and mentor colleagues
  • Collaborate within cross-functional, agile teams

What You'll Need

  • 5+ years' experience
    in .NET development (Optimizely strongly preferred)
  • Strong C# skills and experience integrating external systems
  • Frontend skills in HTML, CSS, JavaScript (React/Next beneficial)
  • Experience with cloud platforms (Optimizely DXP, Azure, or similar)
  • A consultative mindset and the ability to understand customer needs
  • Interest in leading technical decisions and guiding others

What's Offered

A highly competent, supportive team with a collaborative culture

Opportunities to work on impactful, well-known client projects

Training and certifications in Optimizely and related technologies

A values-driven workplace focused on knowledge sharing, development, and enjoyment

We are looking for to hire on both a permanent and contract basis for these positions.
This is a hybrid working arrangement in Stockholm.
Swedish fluency is required.

Please apply via the Easy Apply function.

For more information, please email t.collard-

The application deadline for this position is the 15th of December, 2025. However, applications will be reviewed on a rolling basis so please apply quickly.

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