Performance Engineer, C++, Python, Rust

Job not on LinkedIn

🕒 July 29

🇺🇸 United States – Remote

💵 $70 - $110 / hour

⏱ Part Time

🟢 Junior

🟡 Mid-level

🔙 Backend Engineer

🚫👨‍🎓 No degree required

👻 Ghost score 24%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Weekday (YC W21)

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2021

💼 Consulting

👥 HR Tech

☁️ SaaS

Consulting • HR Tech • SaaS

Weekday is a modern recruitment platform that combines AI technologies with a vast database of potential candidates, aiming to streamline the hiring process for companies in India. They offer various services, including a proactive outreach approach that helps employers connect with top talent, as well as tools for candidates to easily apply for jobs. Weekday's emphasis on candidate engagement through multiple channels, including email, WhatsApp, and phone calls, sets it apart in the competitive landscape of recruitment agencies.

📋 Description

• 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. • 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.

🎯 Requirements

• 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.