Join a pioneering team where your skills will significantly impact the energy sector. Be part of a project that reinforces the sustainability and reliability of electricity across Europe.
As an ideal candidate, you are a skilled
Back-End Developer
focused on ensuring the security and stability of digital platforms. If you are detail-oriented, technically proficient, and passionate about enhancing digital experiences, this role may be for you.
* You maintain and stabilize the existing Sitecore XM 10.2 platform until transitioning to XM Cloud.
* You implement and continuously improve secure development practices for Sitecore and .NET.
* You perform vulnerability scanning, patching, and remediation for Sitecore instances, pipelines, and modules.
* You conduct regular code reviews with a focus on performance, scalability, and security.
* You optimize platform performance through caching, database tuning, and improvements in CDN/WAF.
* You strengthen observability by enhancing monitoring, logging, and alerting.
* You ensure coexistence readiness with XM Cloud including content parity validation and unified incident communication.
What are we looking for?
* You hold a
Bachelor's or Master's degree in Computer Science, Information Technology,
or equivalent professional experience.
* You have a minimum of
5 years of recent experience
in Sitecore back-end development with a security and performance focus.
* You possess
5+ years of professional experience
in back-end development with
C#/.NET.
* You have proven experience with
Sitecore XM 10.2
(installation, pipelines, configuration, patching, and performance optimization).
* You are knowledgeable about Sitecore XM Cloud.
* You possess strong knowledge of web application security principles (OWASP, secure headers, encryption, CSRF, XSS prevention).
* You have experience with DevOps & CI/CD pipelines for Sitecore deployments (Azure DevOps, GitHub Actions, or similar).
* You have experience working with
on-premises Sitecore XM 10.2
, including
manual deployment procedures
.
* You have hands-on experience with
SQL Server performance tuning
and scaling Sitecore content delivery.
* You have experience configuring
WAF/CDN solutions
in combination with Sitecore XM 10.2 (e.g.
F5
,
Azure Front Door
,
Cloudflare
).
* You have practical experience with
application observability tools
such as
Application Insights
,
Seq
,
Kibana
, or similar.
* You communicate fluently in
English and
have a working knowledge of
Dutch or French
.
What do we offer?
Contract: Freelance or Permanent
Start date: To be agreed
Duration: Long-term assignment (initial phase focused on stabilization and migration support)
Location: Brussels (hybrid)