Nicolas Cousin Tech SolutionsNicolas Cousin Tech Solutions

Senior .NET Expert & Tech Lead

Modernization, reliability and delivery .NET: less risk in production, more pace.

+10 years of experience.NET / C#DevOps & CI/CD

No commitment — response within 24–48 business hours.

Why work together?

Results

Production stability, incident reduction, improved delivery pace.

Method

Diagnosis → Action plan → Progressive implementation or team coaching.

Contexts

Legacy .NET applications, technical debt, CI/CD to improve, tests to implement, team skill development.

About

Senior .NET developer and freelance Tech Lead with over 10 years of experience, I work on contexts with high technical stakes: technical debt, application modernization, team structuring and sustainable improvement of software quality. My approach is pragmatic, business-oriented, and focused on transmission and team autonomy.

Our Services

Development & .NET Modernization

Modernize and secure your .NET application without big-bang

  • Progressive modernization of existing applications
  • Technical debt reduction and refactoring
  • Testable and scalable architecture
DevOps & Deployment Reliability

Reproducible production deployments with less risk

  • Implementation / improvement of CI/CD pipelines
  • Test automation and quality controls
  • Production deployment reliability

What you get

Robust CI/CD pipeline, automated deployments, measured quality

For whom / when

Risky manual deployments, lack of automated tests, unreliable release processes

Training & Technical Coaching

Train and upskill your .NET teams with a hands-on approach

  • .NET / C# training (beginner to advanced)
  • Unit testing and software quality practices
  • Technical coaching, code reviews, Tech Lead posture

What you get

Trained and autonomous teams, solid practices in place, improved quality

For whom / when

Junior or intermediate teams, need for structure, lack of testing practices

When to contact me?

Contact me if any of these situations sounds familiar:

  • your .NET application is becoming difficult to maintain or evolve
  • your production deployments are risky or too manual
  • you want to modernize an existing system without rewriting everything
  • your teams lack solid testing and quality practices
  • you need a Tech Lead perspective on a one-time or regular basis

Latest Articles

A look at the most important — and least visible — phase of building my Portfolio & Risk Tracker SaaS: thinking like a Tech Lead. From product vision to architecture, technical choices, and project structure long before writing a single feature.

Published on December 2, 2025

A personal look at why I enrolled in Studi’s RNCP36209 Master's Degree in CTO & Tech Lead, and how it supports my evolution toward a complete Tech Lead role.

Published on November 24, 2025

How clear workflow modelling improves readability, reduces hidden errors, and strengthens alignment between product and engineering. Result.bind is just one practical example rooted in Software Craft.

Published on November 17, 2025

A hands-on reflection on moving from senior developer to Tech Lead: how to keep coding, inspire your team, and balance craft with leadership.

Published on October 28, 2025