Applied AI Scientist, Senior/Staff

SignalFire

Applied AI Scientists and Researchers advancing machine learning capabilities for SignalFire’s VC-backed startup portfolio. Translating research into prototypes, production systems, and measurable product improvements.

Posted 8/5/2026full-time🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in machine learning and artificial intelligence, with a strong foundation in deep learning, statistics, and experimental design. Proven ability to translate research into production systems and improve model performance through rigorous evaluation and collaboration.

Highest-signal resume keywords

Machine LearningDeep LearningNatural Language ProcessingPython ProgrammingModel Evaluation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Machine LearningDeep LearningExperimental DesignModel TrainingFine-TuningPost-TrainingModel EvaluationPrototypingData StrategyOptimization

Soft Skills

Communication SkillsCollaborationMentoring

Tools & Technologies

PyTorchTensorFlowJAX

Certifications & Qualifications

Advanced Degree in Computer ScienceAdvanced Degree in Machine LearningAdvanced Degree in StatisticsAdvanced Degree in Mathematics

Industry Keywords

Artificial IntelligenceGenerative AIComputer VisionMultimodal LearningReinforcement LearningRecommendation SystemsSpeech Processing

Tech Stack

Tools & technologies

PythonPyTorchTensorflow

About the role

Key responsibilities & impact

Research, develop, and evaluate machine learning methods that improve product capabilities and customer outcomes
Design experiments to test model architectures, training approaches, data strategies, and system designs
Adapt foundation models through fine-tuning, post-training, prompt optimization, retrieval, and related techniques
Develop evaluation frameworks and benchmarks for model quality, reliability, safety, and performance
Build prototypes and proofs of concept for emerging AI techniques
Partner with AI/ML and software engineers to translate experiments into production systems
Improve model accuracy, reasoning, latency, efficiency, robustness, and cost
Curate, generate, and evaluate datasets for training, fine-tuning, and model assessment
Investigate model failures, edge cases, and unexpected behavior
Track relevant research and identify advances with practical product value
Communicate findings, tradeoffs, and recommendations to product, engineering, and executive stakeholders
Mentor scientists and contribute to research culture, technical standards, and AI roadmaps
Publish research, contribute to open-source projects, or represent the company in the technical community where appropriate

Requirements

What you’ll need

5+ years of experience in machine learning, artificial intelligence, applied research, or a related technical field
Strong foundation in deep learning, statistics, optimization, and experimental design
Experience developing or adapting models for real-world product applications
Expertise in one or more of natural language processing, generative AI, computer vision, multimodal learning, reinforcement learning, recommendation systems, or speech
Proficiency in Python and modern machine learning frameworks such as PyTorch, TensorFlow, or JAX
Experience with model training, fine-tuning, post-training, evaluation, or inference
Ability to design rigorous experiments and draw sound conclusions from incomplete or ambiguous results
Track record of translating research concepts into prototypes, production systems, or measurable product improvements
Ability to collaborate with research, engineering, product, and domain experts
Strong written and verbal communication skills, including explaining complex technical concepts clearly
Staff-level candidates may be expected to define research direction, lead cross-functional initiatives, and influence broader AI strategy
Advanced degree in computer science, machine learning, statistics, mathematics, or a related field may be preferred; equivalent applied experience may be considered
Resume/CV, LinkedIn URL, and current or preferred working location are required for the talent-network submission

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account SignalFire Website LinkedIn All Job Openings 11 - 50 employees Founded 2012 🏥 Healthcare 💼 Consulting 📦 Logistics Healthcare
Consulting
Logistics SignalFire is a venture capital firm built on technology and data, dedicated to supporting growth for early-stage companies through advanced AI tools and seasoned sector expertise. They focus on providing unparalleled support to their portfolio companies, combining in-house AI capabilities with tailored advisory programs across multiple sectors such as healthcare, fintech, cybersecurity, and more. Applied AI Scientist, Senior/Staff Job not on LinkedIn 🔥 38 minutes ago 🏢🏡 null – Hybrid ⏰ Full Time 🟠 Senior 🧠 AI Research Scientist Python PyTorch Tensorflow Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Research, develop, and evaluate machine learning methods that improve product capabilities and customer outcomes
Design experiments to test model architectures, training approaches, data strategies, and system designs
Adapt foundation models through fine-tuning, post-training, prompt optimization, retrieval, and related techniques
Develop evaluation frameworks and benchmarks for model quality, reliability, safety, and performance
Build prototypes and proofs of concept for emerging AI techniques
Partner with AI/ML and software engineers to translate experiments into production systems
Improve model accuracy, reasoning, latency, efficiency, robustness, and cost
Curate, generate, and evaluate datasets for training, fine-tuning, and model assessment
Investigate model failures, edge cases, and unexpected behavior
Track relevant research and identify advances with practical product value
Communicate findings, tradeoffs, and recommendations to product, engineering, and executive stakeholders
Mentor scientists and contribute to research culture, technical standards, and AI roadmaps
Publish research, contribute to open-source projects, or represent the company in the technical community where appropriate 🎯 Requirements
5+ years of experience in machine learning, artificial intelligence, applied research, or a related technical field
Strong foundation in deep learning, statistics, optimization, and experimental design
Experience developing or adapting models for real-world product applications
Expertise in one or more of natural language processing, generative AI, computer vision, multimodal learning, reinforcement learning, recommendation systems, or speech
Proficiency in Python and modern machine learning frameworks such as PyTorch, TensorFlow, or JAX
Experience with model training, fine-tuning, post-training, evaluation, or inference
Ability to design rigorous experiments and draw sound conclusions from incomplete or ambiguous results
Track record of translating research concepts into prototypes, production systems, or measurable product improvements
Ability to collaborate with research, engineering, product, and domain experts
Strong written and verbal communication skills, including explaining complex technical concepts clearly
Staff-level candidates may be expected to define research direction, lead cross-functional initiatives, and influence broader AI strategy
Advanced degree in computer science, machine learning, statistics, mathematics, or a related field may be preferred; equivalent applied experience may be considered
Resume/CV, LinkedIn URL, and current or preferred working location are required for the talent-network submission Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs AI Research Scientist 🕒 Yesterday Cogent Security 11 - 50 🔒 Cybersecurity 🤖 Artificial Intelligence ☁️ SaaS Website LinkedIn All Job Openings AI Research Scientist advancing automated reasoning, code analysis, and AI security research. Translating rigorous research into Cogent’s cybersecurity AI platform and tools. 🏢🏡 San Francisco – Hybrid 💵 $100k - $300k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 🧠 AI Research Scientist Cloud Cyber Security Terraform Senior AI Scientist 🕒 6 days ago Vanguard 10,000+ employees 💸 Finance 🤝 B2B 👥 B2C Website LinkedIn All Job Openings Senior AI Scientist developing predictive models to support data-driven business decisions at Vanguard. Mentoring junior data scientists and collaborating with leadership for innovative solutions. 🏢🏡 Malvern – Hybrid 💰 $2.5M Secondary Market on 2021-12 ⏰ Full Time 🟠 Senior 🧠 AI Research Scientist 🦅 H1B Visa Sponsor AWS Cloud Python PyTorch Scikit-Learn Tensorflow Senior AI Scientist 🕒 July 28 Cambia Health Solutions 5001 - 10000 🏥 Healthcare ⚕️ Healthcare Insurance 🤝 Non-profit Website LinkedIn All Job Openings AI Scientist Senior II leading and architecting AI solutions for healthcare at Cambia. Drive innovation and mentor junior staff while addressing complex healthcare challenges. 🏢🏡 Portland – Hybrid 💵 $168k - $275k / year ⏰ Full Time 🟠 Senior 🧠 AI Research Scientist Python Applied AI Scientist, Clinical AI Agents 🕒 July 28 R1 RCM 10,000+ employees 🏥 Healthcare ☁️ SaaS 🤖 Artificial Intelligence Website LinkedIn All Job Openings Applied AI Scientist developing agentic AI systems for healthcare workflows. Responsible for designing, building, and evaluating AI solutions in clinical settings. 🏢🏡 New York City – Hybrid 💵 $140k - $300k / year 💰 Private Equity Round - R1 RCM on 2025-05 ⏰ Full Time 🟡 Mid-level 🟠 Senior 🧠 AI Research Scientist Python AI Research Manager – Machine Learning 🕒 July 28 Nubank 5001 - 10000 💳 Fintech 🏦 Banking Website LinkedIn All Job Openings AI Research Manager overseeing machine learning research efforts at Nubank, driving high-impact AI initiatives with a team of world-class researchers in Palo Alto. 🏢🏡 Palo Alto – Hybrid 💵 $324k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 🧠 AI Research Scientist View More AI Research Scientist Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates About us Is Remote Rocketship legit? Privacy policy Terms of service Job board SEO course Remote Job Search MasterClass AI Apply Copilot OpenClaw job finder Find jobs using your resume Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs