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

Constantin Grün

Software Engineer

€700/day
Liège, BE
8-15 years

Average response time: 1 hour

About Constantin

Passionate software engineer with a decade of experience in real-time and cross-platform application development, mainly using C++ and C#. Experienced in demanding environments such as broadcast systems, I have strong expertise in multi-threading, agile methodologies, and test-driven development. Curious and detail-oriented, I place great importance on reliability, performance, and technical collaboration within development teams
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Liège (up to 50km)

Experience

  • EVS Broadcast Equipment
    Software Engineer
    January 2019 - November 2025 (6 years and 10 months)
    Liège, Belgium
    • Develop and maintain core components of the software playout system powering real-time broadcast workflows.
    • Designed and implemented a browsable audio stream feature, enabling fast and accurate audio navigation during live operations.
    • Built a real-time asynchronous PCM-to-MPEG-1 Layer II proxy, reducing latency and improving audio handling performance in the playout module.
    • Led the migration from CentOS 7 to Rocky Linux 9, ensuring full compatibility, improved security, and maintainability across all team components.
    • Contributed to cross-platform support, successfully porting core services from Rocky Linux 9 to Windows environments.
    • Developed a multi-client asynchronous gRPC server to dispatch commands efficiently to a multi-threaded backend, enhancing scalability and responsiveness.
    • Modernized the CI/CD pipeline by porting legacy configurations to the Kotlin-based TeamCity DSL, improving reliability and developer productivity.
    • Supervised an intern in the design and development of a monitoring and result aggregation application used for long-run system tests.
    C++ Linux Windows Python Architecture logicielle
  • Euresys S.A.
    Software Engineer
    January 2014 - January 2019 (5 years)
    Liège, Belgium
    • Software Engineer: developed and maintained components ofthe image processing library, focusing on C++ to C API and C# interoperability wrappers, enabling external applications to access library functionality reliably.

    • Interim: hired immediately after the internship to continue development on the benchmark framework, ensuring project continuity.
    • Internship: developed a semi automated benchmark framework for the company's image processing library.
    C++ C# Python Windows Linux
  • Zara
    Salesperson - Cashier
    January 2011 - January 2015 (4 years)
    Liège, Belgium
    Cashier–Salesperson at Zara while pursuing evening studies, providing customer service, handling transactions, and maintaining store presentation.

Recommendations

Be the first to recommend Constantin

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

  • Bachelor's Degree in Business Computing
    HEPL - IPEPS Verviers
    2016
    Bachelor's Degree in Business Computing
  • CESS
    AR Pepinster
    2008
    CESS

Skill set

Categories