Senior C++ Developer

Johnson Service Group

📍 Mississauga, Ontario, Canada

JSG Contract Computer Occupations Posted June 04, 2026

Job Description


Our client is seeking a Senior C++ Developer to lead and execute the migration of a large-scale existing C++ application to AWS while ensuring performance, stability, scalability, and security. (Hybrid, Toronto- 3 days per week)




Must Have skills


  • 8+ years of C++ development experience
  • Strong expertise in modern C++ including C++11, C++14, C++17, or later.
  • Experience working with large, complex C++ codebases.
  • Strong understanding of data structures, algorithms, multithreading, concurrency, memory management, and performance optimization.
  • Hands-on AWS experience, preferably including at least one end-to-end cloud migration or modernization project.
  • Experience migrating or modernizing applications to cloud environments.
  • Knowledge of AWS services including EC2, S3, IAM, VPC