Mid-Senior Visual C++ Software Engineer

Expleo Group

Mid-Senior Visual C++ Engineer developing simulation models and applications for Expleo, a global engineering and technology consultancy. Supporting aerospace, automotive, and complex systems integration.

Posted 8/10/2026full-timeBucharest • 🇷🇴 RomaniaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in C/C++ software development, including Object-Oriented Programming and design, while effectively collaborating with diverse stakeholders. Proficient in developing user interfaces and specialized simulation applications, with a strong focus on testing and integration.

Highest-signal resume keywords

C/C++ Software DevelopmentObject-Oriented Programming (OOP)User Interface Design (Qt, .NET, MFC)Agile Development PracticesSimulation Systems Integration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C++STLObject-Oriented Design (OOD)Mathematical Algorithms3D Graphics Technologies (OpenGL, DirectX, Vulkan)ReactPythonAI Tools (Claude, GitHub Copilot)Software TestingIntegration Testing

Soft Skills

Advanced English CommunicationTeam CollaborationMentoringSelf-MotivationProactive Problem Solving

Tools & Technologies

MS OfficeSVNGitJiraConfluence

Industry Keywords

Airspace EngineeringAviation SystemsSimulation ApplicationsTechnical DocumentationSoftware Design

Tech Stack

Tools & technologies

.NETPythonQtReactSubversion

About the role

Key responsibilities & impact

Take end-to-end ownership of complex software models and specialized simulation applications
Make design decisions, guide integration and validation, resolve challenging technical issues, and support the growth of other engineers
Analyse and decompose complex technical documentation for aircraft, helicopters, combat vehicles, ships, and related systems, components, instruments, and indicators
Own software design decisions and prepare design documentation
Develop maintainable, reliable, and testable C/C++ software models, including instrument and indicator graphics and communication with host or driving applications
Design and develop user interfaces using Qt, .NET (C#), MFC, or other relevant APIs, integrating with C++ environments
Develop specialized applications for simulation-industry requirements and contribute to architecture decisions for multi-component solutions
Define and execute stand-alone and integration tests, troubleshoot defects, and support deployment, system integration, acceptance, and validation
Lead or contribute to design reviews, code reviews, technical estimates, planning, and delivery-risk identification
Collaborate with technical and non-technical stakeholders to clarify requirements, communicate trade-offs, and align technical solutions
Mentor junior engineers and promote effective engineering, documentation, testing, and Agile practices

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or another relevant technical field
Relevant experience with C++ and strong proficiency in STL, Object-Oriented Programming (OOP), and Object-Oriented Design (OOD)
Good understanding and practical implementation of mathematical algorithms
Advanced English communication skills, both written and spoken
Proficiency in MS Office package for technical and software design documentation
Familiarity with SVN and Git, Jira and Confluence, and Agile development practices
Self-motivated and proactive, with the ability to work effectively with minimal supervision
Strong team-working and collaboration skills
Availability to travel locally and internationally for various project assignments
Experience in airspace engineering, including familiarity with aviation-related concepts, systems, and data (desired)
Experience with simulation systems and hardware/software system integration (desired)
Experience diagnosing integration issues across multiple software components (desired)
Knowledge and practical experience with 3D graphics and rendering technologies, including OpenGL, DirectX, Vulkan, or similar frameworks (desired)
Experience with React or Python for web-based applications and user interfaces (desired)
Experience using AI tools such as Claude or GitHub Copilot for source-code development, software design, testing, and documentation generation (desired)

Benefits

Comp & perks

Benefit Platform
Holiday Voucher
Private medical insurance
Performance bonus
Easter and Christmas bonus
Employee referral bonus
Bookster subscription
Work from home options depending on project