Senior Software Engineer, Build Team (C/C++)

Location: Remote or hybrid within the United States; hiring is limited to employees living in eligible US states. Headquarters: New York, United States.

Salary: $190,500–$260,000 per year

Company

hirify.global-backed nTop develops engineering software that uses parametric geometry to accelerate product design and exploration.

What you will do

• Re-architect and evolve the execution kernel behind nTop's modeling platform.
• Modernize an established C++ codebase with more than 100,000 files by reducing application coupling and moving toward a service-oriented structure.
• Diagnose and resolve complex production issues involving memory, concurrency, and performance in a desktop application.
• Own technical direction across design discussions, code reviews, and architectural decisions.
• Collaborate with platform experts and improve the team's approach to modernization work.

Requirements

• 5+ years of professional C/C++ experience with modern C++ standards, object-oriented design, and design patterns.
• Experience working in large-scale C++ codebases and diagnosing complex production problems.
• Deep understanding of memory management, multithreading, and performance optimization.
• Bias to action and comfort working in fragile, legacy, or ambiguous systems.
• Technical leadership skills, including setting direction, driving change, and navigating engineering disagreement.
• Experience working in cross-functional teams with established development, testing, and QA practices.

Nice to have

• Software architecture modernization and monolith-to-service-oriented migration experience.
• Computational or algorithmic geometry, CAD, or engineering software experience.
• Compiler development, functional programming, legacy-code refactoring, or technical-debt assessment experience.
• Exposure to SOA, microservices, API, or RESTful design.
• Working understanding of AI/ML systems and how to architect toward them.

Culture & Benefits

• Work is available remotely or in a hybrid arrangement within the United States.
• The role joins the Build team and reports to the Engineering Manager.
• AI tools may be used during the live coding interview.

Hiring process

• Recruiter screen followed by a hiring manager conversation.
• Final stage includes an extended live collaborative coding session and a team-fit conversation.
• Candidates may use AI tools during the technical session while sharing their screen and explaining their reasoning.