C++ Developer for Mission-Critical Communication Systems

HumanInTech; Antwerpen; On-site; EUR 60,000 - 80,000; Full time

Job summary

HumanInTech is looking for a C++ developer to work on mission-critical communication systems for public safety operations. The role involves developing, maintaining, and optimising C++ software components within a technical team to ensure reliability and high performance of the critical infrastructure.

The assignment is based in Antwerp, Belgium, starting 23 November 2026. You can join as a freelancer or as an employee of HumanInTech, with the extent of the contract potentially extending beyond

Qualifications

• Deep expertise in C++ development.
• Experience with mission-critical or safety-critical systems.
• Strong understanding of software reliability and performance optimisation.
• Ability to work in a demanding technical environment where system availability is paramount.
• Good communication skills in Dutch or English.

Responsibilities

• Develop, maintain and optimise software components written in C++ for mission-critical communication systems.
• Work in a technical team to ensure reliability and performance of the communication infrastructure.
• Contribute to the development lifecycle to keep systems available without interruption.

Skills

C++ development

Mission-critical systems

Software reliability

Performance optimisation

Dutch/English communication

Education

Bachelor's degree

Job description

What you will do

You will work on mission-critical communication systems that support public safety operations. Your role involves developing, maintaining and optimising software components written in C++ for these essential systems.

You will be part of a technical team responsible for ensuring the reliability and performance of communication infrastructure that must operate without interruption.

What we are looking for

• Deep expertise in C++ development
• Experience with mission-critical or safety-critical systems
• Strong understanding of software reliability and performance optimisation
• Ability to work in a demanding technical environment where system availability is paramount
• Good communication skills in Dutch or English

The setting

This role is based in Antwerp. The assignment starts on 23 November 2026.

You will work within a public-sector organisation that provides essential digital services and infrastructure.

You can join us for this assignment as a freelancer or as an employee of HumanInTech. Same role, same team. If you join as an employee, your employment continues beyond this assignment. When it ends, we’ll work together to find your next assignment.

Location: Antwerp

Work address: Belgium

Employer / contracting party: HumanInTech

Applications close (Brussels time): November 16, 2026 at 1:00 AM

Engagement: Freelance or employed by HumanInTech

Working hours: Full-time

Experience: 3–5 years or more

Education: Bachelor's or more

Published: November 2026