Senior Software Engineer — C/C++, Python | Flexible Hybrid

Expleo Group; Charleroi; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Health insurance

Pension plan

Meal vouchers

Flexible homeworking

32 vacation days

Job summary

Expleo Group is seeking a software professional to contribute to architecture, development and testing across robust software solutions. You will collaborate with architects to define precise specifications and help shape system design, delivering components in C/C++, C#, or Python.

Responsibilities include building and maintaining the toolchain, rigorous testing, and supporting integration with hardware. Fluent English is required; French is a plus, and experience in regulated industries is

Qualifications

• Master's degree or engineering degree in IT, CS, Electronics, or related field.
• Up to 15 years of experience in software development.
• Fluent in English (spoken and written). French is a plus.
• Proficient in C++ and/or C#, Python; knowledge of Git, GitLab, and software configuration management.

Responsibilities

• Define clear, robust software specifications in collaboration with architects.
• Shape system architecture through design reviews and technical discussions.
• Develop software components in C/C++, C#, or Python; ensure quality via unit/ integration testing.
• Set up and maintain the software toolchain and version control using Git/GitLab.
• Support integration between software components and hardware systems; collaborate with test engineers and hardware designers.
• Participate in continuous improvement initiatives and tooling evolution.

Skills

English fluency

Education

Master's or Engineering in IT/CS/Electronics

Tools

Git

GitLab

Software CM

Docker

Embedded Linux

Network protocols

Job description

Expleo Group is seeking a software professional to contribute to architecture, development and testing across robust software solutions. You will collaborate with architects to define precise specifications and help shape system design, delivering components in C/C++, C#, or Python.

Responsibilities include building and maintaining the toolchain, rigorous testing, and supporting integration with hardware. Fluent English is required; French is a plus, and experience in regulated industries is