Performance Engineer (C++, Python, Rust)

Posted Yesterday
Hiring Remotely in United States
Remote
70-110 Hourly
Junior
Artificial Intelligence • HR Tech • Professional Services • Software
The Role
Design and evaluate performance engineering tasks for AI training/evaluation. Optimize runtime, compilers, memory, CPU/GPU and concurrency. Produce documented solutions, evaluate AI-generated code, and build evaluation frameworks and scoring rubrics while collaborating with researchers and SMEs.
Summary Generated by Built In

This role is for one of our clients

Compensation: $70-$110 per hour

Join a cutting-edge AI research initiative and help advance the next generation of Large Language Models by contributing your expertise in systems optimization and performance engineering. We are seeking experienced Performance Engineers with deep knowledge of C++, Python, Rust, and low-level systems optimization to support the development of high-quality AI training and evaluation data.

In this role, you'll work alongside AI researchers and engineering teams to design, evaluate, and refine challenging performance engineering tasks that improve the reasoning capabilities of frontier AI models. Your expertise in optimizing production systems, runtime performance, compiler behavior, and systems architecture will directly contribute to building more capable AI systems.

This is a full-time, 40-hour-per-week remote engagement requiring full weekday availability.


RequirementsKey Responsibilities
  • Collaborate with research and engineering teams to improve AI capabilities in systems programming, compiler optimization, runtime performance, and low-level engineering concepts.
  • Design challenging, real-world performance engineering tasks that reflect production-scale optimization scenarios.
  • Develop accurate, well-documented solutions to complex systems programming and performance optimization problems.
  • Review and evaluate AI-generated solutions, providing detailed technical feedback on correctness, efficiency, and engineering quality.
  • Create comprehensive evaluation frameworks and scoring rubrics for topics including:
    • Systems architecture
    • Runtime optimization
    • Compiler engineering
    • Memory management
    • CPU and GPU performance
    • Concurrency and parallel processing
  • Collaborate with fellow subject matter experts to ensure consistency, technical accuracy, and quality across AI training datasets.
  • Contribute domain expertise to enhance the reasoning capabilities of advanced AI models.
Required Qualifications
  • Minimum 2 years of professional experience in Performance Engineering, Systems Programming, or Low-Level Software Optimization.
  • Strong hands-on expertise in at least one of the following programming languages:
    • C++
    • Python
    • Rust
  • Working familiarity with the remaining languages is highly desirable.
  • Proven experience delivering measurable improvements in production systems, including:
    • Latency reduction
    • Throughput optimization
    • Memory footprint reduction
    • Runtime performance improvements
  • Strong understanding of systems architecture, compiler behavior, and performance profiling techniques.
  • Demonstrated career progression with increasing technical responsibility.
  • Availability to work 40 hours per week during standard weekday business hours.
  • Excellent written communication skills with the ability to clearly explain complex engineering concepts and optimization decisions.
Preferred Qualifications
  • Experience optimizing large-scale distributed systems or high-performance computing workloads.
  • Knowledge of compiler internals, runtime systems, or operating system fundamentals.
  • Experience with profiling, benchmarking, and performance analysis tools.
  • Familiarity with AI infrastructure or machine learning system optimization.
  • Experience collaborating with research teams on advanced engineering projects.
  • Passion for building highly efficient, scalable software systems.
Why Join
  • Help shape the future of frontier AI by contributing expert-level systems engineering knowledge.
  • Collaborate with leading AI researchers and experienced software engineers on impactful technical initiatives.
  • Work on challenging, real-world performance engineering problems that influence next-generation AI capabilities.
  • Enjoy a fully remote engagement with meaningful technical work and flexible execution.
Equal Opportunity

We welcome applications from qualified professionals regardless of legally protected characteristics and are committed to providing reasonable accommodations throughout the application and engagement process upon request.

Contract & Payment Terms
  • Engagement is offered on an independent contractor basis.
  • This is a fully remote opportunity that can be completed according to your own schedule.
  • Project duration may be extended, shortened, or concluded based on project requirements and individual performance.
  • The engagement does not require access to confidential or proprietary information belonging to any current employer, client, or institution.
  • Payments are processed weekly through Stripe or Wise based on approved work completed.
  • Please note: Applicants requiring H-1B sponsorship or participating in the STEM OPT program are not eligible for this opportunity.

Skills Required

  • Minimum 2 years professional experience in Performance Engineering, Systems Programming, or Low-Level Software Optimization.
  • Hands-on expertise in at least one language: C++, Python, or Rust.
  • Working familiarity with the remaining languages (C++, Python, Rust).
  • Proven experience delivering measurable improvements in production systems (latency reduction, throughput optimization, memory footprint reduction, runtime performance improvements).
  • Strong understanding of systems architecture, compiler behavior, and performance profiling techniques.
  • Demonstrated career progression with increasing technical responsibility.
  • Availability to work 40 hours per week during standard weekday business hours.
  • Excellent written communication skills to explain complex engineering concepts and optimization decisions.
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
Year Founded: 2021

What We Do

Weekday is an AI-powered recruitment platform that helps startups hire top-tier engineering and product talent. By leveraging a massive database of white-collar professionals and advanced outreach tools, the company streamlines the hiring process through automated sourcing, AI-driven resume screening, and white-glove contingency services. Their mission is to modernize recruitment by enabling companies to discover and engage passive candidates efficiently, ensuring high-quality hires for critical roles.

Similar Jobs

Boeing Logo Boeing

UAS Operator 3 (Remote/Deployable)

Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
In-Office or Remote
Bingen, WA, USA
170000 Employees
30-42 Hourly

Boeing Logo Boeing

UAS Operator 3 (Remote/Deployed)

Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
In-Office or Remote
Bingen, WA, USA
170000 Employees
30-42 Hourly

Boeing Logo Boeing

Trade Compliance Specialist 4 - Remote

Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
In-Office or Remote
Bingen, WA, USA
170000 Employees
99K-135K Annually

Enverus Logo Enverus

Application Support Analyst

Big Data • Information Technology • Software • Analytics • Energy
In-Office or Remote
3 Locations
1800 Employees
43K-45K Annually

Similar Companies Hiring

Hanover Park Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
42 Employees
Kepler  Thumbnail
Fintech • Software
New York, New York
6 Employees
Onshore Thumbnail
Artificial Intelligence • Fintech • Software • Financial Services
New York, New York
60 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account