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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

Training — Educational Institutions

Courses, workshops and juries for schools and universities

  • Courses and practical workshops
  • Jury participation
  • Technical talks and keynotes
  • Supervised projects and mentoring

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

What agentic methods change for a team: coding with AI agents daily, and designing architectures meant to be operated by agents.

Published on September 3, 2026

The most important, least visible phase of building my SaaS: thinking like a Tech Lead before writing a single feature.

Published on December 2, 2025

Why I enrolled in Studi's CTO & Tech Lead Master's Degree, 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 product-engineering alignment.

Published on November 17, 2025