Performance Engineer (C++, Python, Rust)

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Engineering • W-2 Contingent • Remote (India) • $35 to $45/hr

JobHub by NeonLabs, in partnership with Cincinnatus LLC, is seeking skilled Performance Engineers with expertise in C++, Python, and Rust to support a leading AI lab working on next-generation GenAI systems.

This role focuses on low-level systems optimization, runtime performance, and improving the infrastructure behind large-scale AI training and inference. You'll work on challenging engineering problems tied directly to the development of advanced large language models and performance-critical systems.

What You'll Do

The Performance Engineer (C++, Python, Rust) role is a remote contract position paying $35-$45/hr. It suits experienced professionals who want flexible, project-based AI work reviewed on a rolling basis. You collaborate directly with client teams on real deliverables that help train and evaluate next-generation AI systems, with no long-term commitment required.

• Work with research and engineering teams to close knowledge gaps and improve AI model performance in systems-level optimization, compiler engineering, and runtime performance topics.
• Design challenging, domain-relevant tasks across multiple specializations, and write accurate, well-structured solutions to performance engineering problems.
• Evaluate performance engineering tasks and solutions and provide clear, written technical feedback.
• Develop guidelines and detailed rubrics/evaluation frameworks to assess systems design quality across AI workloads.
• Collaborate with other subject matter experts to ensure consistency and accuracy in training data.

Core Qualifications

• 2+ years of dedicated professional experience in performance engineering, systems programming, or low-level optimization.
• Deep hands-on expertise in at least one of the following: C++, Python, or Rust - with working familiarity across the others being a strong plus.
• Demonstrable track record of measurable performance improvements on production systems (e.g., latency reduction, throughput gains, memory footprint optimization).
• Demonstrable career progression and hands-on engineering experience.
• Strong written communication skills and the ability to explain complex technical decisions clearly.
• Ability to engage reliably for at least 30 hours/week during weekdays.

Engagement Details

• Pay: $35-$45/hour (USD)
• Employment Type: W-2 Contingent Role via Cincinnatus LLC
• Location: Remote - India only 🇮🇳
• Schedule: Full-time, 40 hours/week during weekdays
• Placement: Embedded within a leading AI lab's GenAI team