Senior Software Engineer (C++)

TL;DR

Senior Software Engineer (C++): Re-architecting and evolving the execution kernel of a high-performance engineering platform with an accent on modernizing a large-scale legacy codebase. Focus on decomposing monolithic structures, optimizing memory and concurrency, and enabling clean integration with the broader R&D ecosystem.

Location: Must be based in Germany or the United Kingdom

Salary: £76,000 – £120,000 per year

Company

hirify.global is a software company that transforms engineering design by treating geometry as programmable, parametric code to accelerate product development.

What you will do

• Lead the re-architecture of the execution kernel to support next-generation modeling capabilities.
• Modernize an 8-year-old C++ codebase by untangling coupling and moving toward a service-oriented structure.
• Diagnose and resolve complex performance, memory, and concurrency issues in a production desktop application.
• Act as a technical owner in design discussions and architectural decision-making.
• Collaborate with platform engineers to raise the collective bar for modernization and code quality.

Requirements

• 5+ years of professional C/C++ experience with modern standards (C++11/14/17).
• Proven experience working with large-scale codebases (100k+ lines).
• Deep understanding of memory management, multithreading, and performance optimization.
• Demonstrated technical leadership and ability to navigate engineering conflict.
• Must be based in Germany or the United Kingdom.

Nice to have

• Background in software architecture modernization and migrating monoliths.
• Experience with computational or algorithmic geometry.
• Knowledge of compiler construction.
• Understanding of CAD or engineering software workflows.
• Exposure to containerization, microservices, and API design.

Culture & Benefits

• Opportunity to work on a high-impact, complex engineering platform.
• Focus on technical autonomy and solving impossible-looking problems.
• Collaborative environment that values bias to action and architectural bravery.
• Remote-first work culture within the specified regions.

Hiring process

• Recruiter screen and hiring manager conversation.
• Final stage consisting of a live, collaborative coding session and a team-fit interview.