"reasoning systems" Jobs

1724 open tech roles matching “reasoning systems”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: AI/ML, Python, Kubernetes. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 1724 results

Crucibl

Join Crucibl as a Member of Technical Staff to push the frontier of judgment in AI and shape the future of decision-making.

Crucibl San Francisco, CA Published 1 month ago
Distyl AI

Join Distyl AI as an Applied AI Researcher to redefine enterprise AI systems with a focus on innovative architectures and robust solutions.

Distyl AI San Francisco $150k–$250k/yr Published 11 months ago
Rox

Join Rox as a Core Engineer to design and operate foundational infrastructure for autonomous revenue agents in a fast-growing AI company.

Rox San Francisco Published 4 months ago
Judgment Labs

Join Judgment Labs as an Applied AI Engineer to build self-improving AI systems using real-world agent interaction data.

Judgment Labs San Francisco Published 8 months ago
Cogent Security

Drive high-impact research in automated reasoning and AI-driven security at a rapidly growing applied AI lab.

Cogent Security San Francisco, CA $100k–$300k/yr Published 1 month ago
Flexible on stack
Twelve Labs

Lead the development of next-generation multimodal models at Twelve Labs, impacting thousands of customers worldwide.

Twelve Labs Seoul, South Korea Published 1 week ago
Flexible on stack
Hilbert

Join Hilbert as an AI Engineer to build production-grade AI systems that drive enterprise outcomes in a fast-paced startup environment.

Hilbert San Francisco Published 6 months ago
Flexible on stack 70% coding
Judgment Labs

Build product experiences for AI agents, owning problems end-to-end in a fast-paced environment.

Judgment Labs San Francisco Published 1 month ago
Twelve Labs

Drive research on Pegasus's complex problems in a hybrid role at a growing AI company focused on video understanding.

Twelve Labs Seoul, South Korea Published 5 months ago
Flexible on stack
Cogent Security

Join Cogent Security as an AI Research Engineer to innovate in automated reasoning and AI-driven code analysis for cybersecurity.

Cogent Security San Francisco, CA $100k–$300k/yr Published 1 month ago
Twelve Labs

Join Twelve Labs as a Senior AI Engineer to build the integration layer for their multimodal video AI system.

Twelve Labs San Francisco Published 1 month ago
Flexible on stack
Judgment Labs

Join Judgment Labs as a Senior Backend Engineer to build infrastructure for AI agents in a fast-paced, onsite environment in San Francisco.

Judgment Labs San Francisco Published 2 months ago
Reflection AI

Conduct critical analysis and develop evaluation frameworks to improve AI model capabilities in a fast-paced startup environment.

Reflection AI San Francisco, CA Published 9 months ago
Mirendil

Join Mirendil as a research engineer to build the post-training stack for frontier reasoning models in AI.

Mirendil San Francisco $300k–$400k/yr Published 2 months ago
Sphere

Lead the development of TRAM, an AI reasoning model for interpreting global trade law in a fast-paced, onsite environment.

Sphere San Francisco HQ Published 11 months ago
Anthropic
Anthropic San Francisco, CA | New York City, NY | Seattle, WA $500k–$850k/yr Published 11 months ago
Distyl AI

Join Distyl AI as an Applied AI Researcher to redefine software usage and explore new AI system architectures.

Distyl AI San Francisco $150k–$250k/yr Published 11 months ago
Anthropic

Join Anthropic as a Business Systems Analyst to bridge business needs and technical solutions in a rapidly growing AI company.

Anthropic Remote-Friendly (Travel-Required) | San Francisco, CA | Seattle, WA | New York City, NY $205k–$270k/yr Published 3 weeks ago
Anthropic

Join Anthropic as a Business Systems Analyst to bridge business needs and technical solutions in a rapidly growing AI company.

Anthropic London, UK £130k–£165k/yr Published 3 weeks ago
Flexible on stack