Senior Software Developer C++ (f/m/d)

What do we do? Introducing Thinkproject Platform Thinkproject is a European leader in the digitalization of the construction industry, with offices and customers spanning Europe and beyond. Founded in 2000 — when construction project planning was still predominantly manual — Thinkproject was built on deep industry expertise and a mission to make complex construction projects manageable. Today, we call it Construction Intelligence: software that makes construction projects more efficient, safer, more punctual, and above all, more sustainable. VDC Manager is one of the flagship products in our portfolio — a complete openBIM platform at the intersection of 3D modeling, process management, and data intelligence. What your day will look like About The Role We are looking for a Senior C++ Software Developer to join the team behind VDC Manager — Thinkproject's complete openBIM software, developed by industry experts and trusted by AEC professionals worldwide. VDC Manager enables the merging of diverse data and information into BIM processes, including model checking and clash detection in 3D models, construction schedule creation and 4D simulation, quantity and dimension determination for cost calculations, and much more. As a senior member of the engineering team, you will take ownership of complex features, drive technical decisions, and help shape the future of one of Europe's leading BIM platforms. What You Will Do Core Development Architect, design, develop, and test new and existing features within VDC ManagerWrite clean, well-structured, secure, and testable modern C++ code (C++17/20)Take ownership of complex technical areas — from geometry processing and 3D rendering to data exchange and cloud connectivityTroubleshoot, debug, and upgrade existing systems with a focus on performance, scalability, and reliability Technical Leadership Drive technical analysis and research, including evaluation and selection of technical approaches and third-party componentsDefine and enforce best practices within the development team (code reviews, CI/CD, testing standards, architecture patterns)Contribute to architectural decisions and provide technical guidance across the teamMentor and support mid-level and junior developers Collaboration & Communication Collaborate closely with Product Owners, UX designers, and BIM domain experts to translate requirements into robust technical solutions Demonstrate and present technical work to product owners and stakeholders in a clear and structured mannerWork as part of a distributed, international team — contributing to technical discussions on implementation approaches and user interfacesContinuously learn and apply modern tools, frameworks, and engineering processes What you need to fulfill the role Must-Have 6–8 years of professional software development experienceExpert-level knowledge of C/C++, including modern standards (C++14/17/20)Strong skills in software architecture, data structures, and design patternsExcellent problem-solving and analytical skills — able to diagnose and resolve complex technical issuesSolid understanding of CI/CD pipelines, software quality practices (performance, scalability, security, testability)Fluency in English (written and spoken) — our working language across the engineering team Strong Advantages Experience with Qt for desktop application developmentHands-on experience with graphics programming (OpenGL, DirectX, Vulkan, or similar)Knowledge of BIM concepts, workflows, and data formats (IFC, BCF) and/or experience in the AEC industryExperience with JavaScript (user scripts), Python (utilities and build tooling), or C# (plug-in development and web services for Thinkproject cloud connectivity)Familiarity with web services and REST APIs for cloud platform integrationGerman language skills are a plus but not required Code Sample (Required) As part of your application, please share a C/C++ code sample — a function, class, or module that you wrote yourself and are proud of, or that best represents your coding style and preferences. It does not need to be executable or a complete programIt can come from a personal project or a previous role (anonymization is perfectly fine)You are welcome to supplement it with screenshots, videos, papers, or prototypes — anything that helps showcase your work and engineering thinkingThis is not a test — it is an opportunity to show us how you think and how you write code. What we offer Lunch 'n' Learn Sessions I Women's Network I LGBTQIA+ Network I Coffee Chat Roulette I Free English Lessons I Thinkproject Academy I Social Events I Volunteering Activities I Open Forum with Leadership Team (Tp Café) I Hybrid working I Unlimited learning Employee satisfaction is our top priority. Our people make Thinkproject what it is today. We value a work environment where everyone can help shape our culture through open feedback and mutual respect. We believe that flexibility and a diverse benefits program are key success factors — for our employees and for our business. We are an equal opportunity employer and welcome applications from candidates of all backgrounds, nationalities, and career paths. Your Contact Preethika Ramdass Please submit your application, including salary expectations and potential date of entry, by submitting the form on the next page. Working at thinkproject.com - think career. think ahead.