Senior Developer (C++ / C# | Cloud Architecture)

Senior Developer (C++ / C# | Cloud Architecture) Hybrid – Espoo, Finland + Remote Flexibility Monthly salary-5800-6800 EUR gross We are looking for a Senior Developer to help modernize and evolve a large-scale software platform used globally within the manufacturing industry. This is a hands-on technical role focused on refactoring a complex C++ application while designing new C# components aligned with cloud architecture principles. You will work in a collaborative, low-hierarchy environment where your technical expertise and architectural mindset truly make an impact. What You'll Do Refactor and modularize a large existing C++ application to improve scalability and maintainability Design and develop new components in C# to support cloud integration and platform evolution Apply cloud architecture principles to ensure security, performance, and scalability Contribute to CI/CD pipelines and deployment automation Collaborate closely with an international, cross-functional team Mentor developers and promote engineering best practices This role combines legacy system modernization with forward-looking cloud solutions. Must Have Strong professional experience in C# development Proficiency in C++ , especially with large or legacy systems Experience refactoring and modularizing complex applications Solid understanding of cloud architecture principles (scalability, security, performance) Experience contributing to CI/CD pipelines Strong problem-solving and decision-making skills Ability to mentor and guide other developers Degree in Computer Science, Engineering, or related field Fluency in English Nice to Have Experience with containerization (Docker / Kubernetes) Background in industrial simulation or robotics Knowledge of manufacturing processes or automation systems Ideal Candidate Profile You are a proactive, hands-on senior developer who thrives in collaborative environments. You enjoy improving complex systems, thinking architecturally, and aligning technical decisions with long-term product goals. Youre comfortable working with legacy code while building scalable, cloud-enabled features. You value inclusive, low-hierarchy cultures that support learning, knowledge sharing, and continuous improvement. Work Environment Hybrid role based in Espoo, Finland , with remote flexibility Inclusive and low-hierarchy company culture International team and global product impact Collaborative, fast-paced software environment Strong focus on continuous learning and hands-on contribution