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Matthias Castelain

Senior Engineering Manager (Infrastructure, Operations & SRE) - Customer Growth at Decathlon Technology

Engineering Manager Manager
m***@decathlon.com Sign up
Pro only
Lille, Nord-Pas-de-Calais, France

Company Details

Company: Decathlon Technology
Industry: information technology & services
Employees: 1200
HQ Location: Croix, Nord-Pas-de-Calais Picardie, France
Company LinkedIn: Pro only

Technology Stack

CSC Corporate Domains SendInBlue Gmail Google Apps Microsoft Office 365 Shopify Heroku VueJS Atlassian Cloud Amazon SES React Redux GitHub Hosting MongoDB MailJet Zendesk Datadog Shopify Plus Bing Ads Adobe Media Optimizer Tag Commander

Professional Summary

Matthias Castelain is Senior Engineering Manager (Infrastructure, Operations & SRE) - Customer Growth at Decathlon Technology. Decathlon Technology operates in the information technology & services industry and has 1200 employees. Based in Lille, Nord-Pas-de-Calais, France. Classified as a manager-level Engineering Manager leader. Their organization's technology stack includes CSC Corporate Domains, SendInBlue, Gmail, Google Apps, Microsoft Office 365, and 45 other technologies.

Manager level · Engineering Manager
Verified Apr 22, 2026

Position in the CTO Rank Database

  • • Typical Engineering Manager compensation in Nord-Pas-de-Calais: $150,000 – $280,000 (median $200,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.

Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.

Frequently Asked Questions

How do I contact Matthias Castelain?

Matthias Castelain has a verified email address on file on CTO Rank. They work at Decathlon Technology. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Matthias Castelain work for?

Matthias Castelain is Senior Engineering Manager (Infrastructure, Operations & SRE) - Customer Growth at Decathlon Technology, a company in the information technology & services industry with 1200 employees. The company is headquartered in Croix, Nord-Pas-de-Calais Picardie, France.

What is Matthias Castelain's role in technology leadership?

Matthias Castelain is classified as a Engineering Manager leader at the manager level.

What technologies does Matthias Castelain's organization use?

Matthias Castelain's organization uses a technology stack that includes CSC Corporate Domains, SendInBlue, Gmail, Google Apps, Microsoft Office 365, Shopify. This information is useful for sales teams, recruiters, and technology vendors.

Is Matthias Castelain open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Matthias Castelain using the verified contact information available to Pro members. When recruiting a Senior Engineering Manager (Infrastructure, Operations & SRE) - Customer Growth, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Matthias Castelain at Decathlon Technology?

Matthias Castelain is Senior Engineering Manager (Infrastructure, Operations & SRE) - Customer Growth at Decathlon Technology. Engineering Managers like Matthias Castelain typically evaluate vendors in CSC Corporate Domains, SendInBlue, Gmail, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Matthias Castelain's profile data?

CTO Rank verifies and refreshes profile data weekly. Matthias Castelain's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.