You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Christian BoulvaCB

Christian Boulva

CTO | .NET Software Expert | Cloud | Kubernetes

€750/day
Lyon, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Christian

With over 20 years of experience in software development, I specialize in designing, optimizing, and refactoring complex architectures. I work in critical contexts (refactoring, scalability, technical debt, performance) to help teams secure and stabilize their technical foundation.

🎯 What I Offer:

Architecture audit and refactoring (Clean Architecture, DDD, TDD, Event-driven)

Code optimization (performance, maintainability, testability)

Targeted interventions on advanced topics: .NET, C#, C++, containerization, CI/CD

Senior technical consulting in scale-up, SaaS, or complex B2B environments

Technical support for teams on legacy or critical issues

🧰 Technologies / Environment:

Backend: .NET (up to .NET 9), C#, Entity Framework, SQL Server, PostgreSQL

Cloud & DevOps: Azure, Docker, Kubernetes, Azure DevOps, Helm

Observability & Perf: OpenTelemetry, Grafana, Kibana, ELK, DataBricks

Front: Angular, D3.js, TypeScript

Distributed / real-time / data-heavy environments

👨‍💻 I work with high-growth startups or mature tech teams to:

Identify technical bottlenecks

Improve platform robustness and scalability

Implement good development practices (TDD, code review, Clean Code)

👉 Available for full remote or hybrid work. I bring strong adaptability, critical thinking, and real-world expertise.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • German

    Basic

Can work on-site
Lyon (up to 50km)

Experience

  • DataGalaxy
    Principal Architect & Engineering Leader
    SOFTWARE PUBLISHING
    September 2015 - Today (10 years and 11 months)
    Lyon, France
    As the very first employee, I built the SaaS solution from scratch and supported the company's growth from €0 to €10M ARR. My role gradually evolved into full engineering leadership: recruitment, mentoring, and upskilling the team, managing the tech roadmap, and making arbitration decisions.
  • Netapsys
    Software Engineer / Principal Architect
    January 2011 - January 2015 (4 years)
    Sopra Steria, Colomiers, France
    Projects for VolvoIT & Haulotte
    • Technical leadership of software transformation projects for major clients (migration of heavy applications, multi-platform mobile refactoring).
    • Significant reduction in maintenance costs and technical debt through structural optimizations (caching, network flows, portability).
    • Coordination of technical projects with performance and interoperability challenges (C++, Qt, SQL Server, Private Cloud).
    • Functional mentoring of juniors and cross-functional collaboration with product and support teams.
  • PCO Innovation
    Senior Software Engineer
    January 2008 - January 2011 (3 years)
    Accenture, Saint-Herblain, France
    VolvoIT Project
    • Deployment of critical .NET solutions with offshore teams (China, Poland) in a challenging project environment.
    • Resolution of critical production bugs, refactoring of multithreaded modules, direct contribution to system stabilization.
    • Advanced technical support on an international scale, acting as the technical point of contact for the backend scope (ClickOnce, C#).

Recommendations

Be the first to recommend Christian

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Computer Engineering (Master's degree equivalent)
    École Polytechnique de Montréal
    2002
    Ingénieur informatique (équivalent Bac+5)

Skill set

Categories