Principal C++ Platform Engineer – Real-Time Systems

Evolv Technologies Holdings, Inc.; Waltham (MA); On-site; USD 148,000 - 240,000; Full time

Benefits offered by this job

Equity

Medical, dental, and vision insurance

Flexible Spending Accounts (FSA)

401(k) with 2% company match

Unlimited vacation policy

Quarterly perk/benefit stipend

Tuition reimbursement

Calm subscription

Job summary

Evolv Technologies is seeking a principal software engineer in the U.S. to lead a major multi‑product platform. The role centers on translating complex math into optimized C++ code while driving performance benchmarks and system scalability.

You will mentor a skilled team of engineers, shape architectural directions, and improve CI/CD and testing practices. The position is based in Waltham, MA with occasional remote work and a competitive compensation package.

Qualifications

• Proficient in C++ with emphasis on real-time and embedded systems.
• Experience reviewing code and architectures; mentor teammates.
• Ability to translate math algorithms into optimized production code.

Responsibilities

• Maintain and improve C++ codebase with focus on performance, reliability, and scalability.
• Collaborate with SQA, DevOps, and hardware engineers.
• Lead design discussions, establish coding standards, and drive platform architecture decisions.

Skills

C++

Real-time systems

Embedded software

Code reviews

Mentoring

Performance optimization

Architecture design

Cross-functional collaboration

Tools

CI/CD tooling

Git

Job description

Evolv Technologies is seeking a principal software engineer in the U.S. to lead a major multi‑product platform. The role centers on translating complex math into optimized C++ code while driving performance benchmarks and system scalability.

You will mentor a skilled team of engineers, shape architectural directions, and improve CI/CD and testing practices. The position is based in Waltham, MA with occasional remote work and a competitive compensation package.