--- title: 'Senior AI Researcher at Limbic' canonical: 'https://feeny.ai/job/senior-ai-researcher-limbic-united-kingdom-e68grd23szzk' type: 'job' last_seen: '2026-10-17' --- # Senior AI Researcher at Limbic - **Company:** Limbic - **Location:** United Kingdom - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-10-10 - **Last confirmed live:** 2026-10-17 - **Apply:** https://jobs.ashbyhq.com/limbic/47212922-5a01-4268-b39e-d9d772c1abdb ## Job description Help us build the future of mental health by developing our new AI Therapist ## About Limbic Limbic’s vision is to ensure the highest quality therapy is accessible to everyone, everywhere. Limbic is already used in over 50% of Talking Therapies in the NHS in the UK as well as serving thousands of patients every week across the US, which makes us the largest-ever deployment of generative AI for direct patient care. Our products augment clinical care, reduce barriers to accessing therapy at scale, and deliver autonomous mental health interventions, all deployed with safety as the top priority and as the only AI mental health chatbot with UKCA Class IIa and FDA TEMPO certification. Our company puts rigorous scientific quality first and our results are published in leading scientific journals, such as Nature Medicine. ## The Role As a Senior AI Researcher, you have demonstrated a deep expertise in AI research, in particular in the context of large language models (LLMs). In this role, you will drive innovation and dedicate your expertise to catapulting forward the capabilities of AI-delivered mental health therapy. ## What You’ll Do - Use cutting-edge ML techniques to improve patient trajectories and outcomes. - Use existing data to identify meaningful mental health representation spaces. - Identify causal mechanisms driving recovery from mental health conversations. - Predict trajectories of mental health outcomes and build recommender systems for interventions. - Design and run rigorous scientific experiments to validate your methods and publish these in high-impact peer-reviewed journals. - Lead on patent submissions to protect intellectual property. - Work closely with the clinical research team as well as the ML engineering team to build product-ready, clinically evaluated tools. - Drive continuous improvement through experimentation, iterative development, testing and optimisation. - Translate complex scientific challenges into impactful solutions. - Mentor and guide junior scientists and colleagues, fostering a collaborative, high-performing team culture. - Present your findings in internal and external scientific meetings and events. ## What You’ll Bring - A PhD in computational science or an AI-related field, plus 2+ years of experience in a postdoctoral AI researcher role. - Strong publication record in AI research in cutting-edge conference proceedings or peer-reviewed journals. - Expertise in LLM-related research and methods development. - Experience with neural deep learning and machine learning. - Expert-level proficiency in Python, Typescript or related languages. - Experience in data analysis of large language-based datasets, feature-extractions methods, and prediction modelling. - Experience with reinforcement learning and model fine-tuning (e.g. RLHF/RLAI) - Expertise in statistical principles specifically in the context of LLM evaluation and user activity analytics. - Proficiency with version control systems (preferably Git) and databases (SQL or NoSQL). - Hands-on experience with major cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker) desirable. - The ability to work from our London (Spitalfields) office on Tuesdays and Thursdays, with the flexibility to work remotely or from the office on other days of the week. - Visa sponsorship for skilled workers possible. ## Benefits & Wellbeing - 29 days of holidays (25 regular days and 4 Quarterly Life Days) + UK bank holidays - Access to mental health support - Company-wide meetups - Generous parental leave package - 100% reimbursement for work-related books and materials - Flexibility with remote working - Headquarters in London, UK with an amazing office in Shoreditch that offers free gym sessions, socials and guest speaker events (for those who like to work from the office) ## About Limbic ## Company Overview - **One-liner**: Limbic provides clinical-grade AI for mental healthcare providers to scale access, speed up care, and improve patient outcomes without increasing staff. - **Entity Type**: Private (Series A) - **Headquarters**: London, United Kingdom - **Founded**: 2018 - **Founders**: Dr. Ross Harper (CEO), Sebastiaan de Vries (CTO), and a founding team of 10 PhDs across neuroscience, psychiatry, machine learning, and medicine ## Core Business - **Primary industry**: Mental Health Care / Healthcare AI - **Target customers**: B2B – health plans, hospital systems, and therapy providers (NHS talking therapies, US healthcare providers) - **Mission statement**: To make the highest quality mental healthcare available to everyone, everywhere. ## Products & Services - **Limbic Access (Intake Agent)**: A Class IIa medical device chatbot that embeds in referral pathways (web, phone) to onboard patients, handle FAQs, and collect intake data. Interoperable with EHR systems. - **Limbic Triage Agent**: Proprietary clinical AI that assesses patient needs, predicts diagnoses, and triages to the appropriate level of care. - **Limbic Therapy Agent**: Delivers cognitive behavioral therapy (CBT) through generative chat, with clear escalation pathways to clinical staff. ## Market Standing - **Valuation/Market Cap**: Not disclosed - **Key Metric**: Total funding of $14.2M (USD) as of March 2024 Series A; annual revenue reported as $500K - **Notable Investors/Partners**: Khosla Ventures (lead Series A), Google for Startups (non-equity assistance), DigitalHealth.London (grant) - **Growth Signals**: Used in over 50% of NHS Talking Therapies; deployed in US healthcare providers (e.g., Rogers Behavioral Health, Everyturn Mental Health); 29% increase in minority referrals; 179% increase in nonbinary individuals seeking care (Nature Medicine study); headcount of ~40 employees (+1.9% YoY) ## Competitive Advantages - **First and only** mental health AI chatbot with UKCA Class IIa medical device certification - Clinically validated, peer-reviewed evidence (Nature Medicine, multiple studies): 2x recovery rates, 23% lower dropout, 10x more cost-effective - Proprietary Limbic Layer™ ensuring LLM decisions are based on validated clinical guidance - HIPAA, GDPR, ISO 27001, and Cyber Essentials compliant - Interoperable with major EHR systems, reducing manual data entry ## Strategic Focus - Expanding capacity for mental health providers without sacrificing quality - Deepening integration into referral pathways and clinical workflows - Continuing to publish clinical evidence and expand into new geographies and languages - Scaling the AI platform to handle triage, therapy, and follow-up across more conditions ## Why Work Here - **Remote-first culture** with team spread globally; headquarters in London but hiring across Europe and North America - **Mission-driven**: “Creating a movement” to tackle the leading cause of disability worldwide - **Science‑backed**: Core team of PhDs; work cited over 8,500 times - **Benefits**: Competitive salary, equity share options, wellbeing support, support for parents, company offsites - **Work model**: 50% remote, 50% hybrid; no on-site requirement - **Current openings** (as of mid‑2025): Product Manager, AI/ML Engineer, Senior Full‑stack Engineer, etc. (via Ashby careers page) ## Sources 1. [limbic.ai](https://www.limbic.ai/) – Product details, certifications, evidence claims 2. [limbic.ai/about](https://limbic.ai/about) – Founding story, leadership, mission 3. [uk.linkedin.com/company/limbic-ai](https://uk.linkedin.com/company/limbic-ai) – Headcount, revenue, funding rounds, office locations 4. [jobs.psychiatry.org](https://jobs.psychiatry.org/profile/limbic/2069707/) – Employer profile, NHS usage, certification 5. [empllo.com](https://empllo.com/company/limbic) – Flexibility, hiring regions, job types ## Other roles at Limbic - [Senior Full-stack Engineer](https://feeny.ai/job/senior-full-stack-engineer-limbic-canada-jb5e7yscsghw) — Canada - [Clinical Transcript Reviewer](https://feeny.ai/job/clinical-transcript-reviewer-limbic-united-states-n2y1qf84dqvk) — United States - [Product Manager](https://feeny.ai/job/product-manager-limbic-united-states-nsnr45346ss1) — United States - [ABM & Marketing Executive](https://feeny.ai/job/abm-marketing-executive-limbic-united-kingdom-6bk2pt1d100b) — United Kingdom - [Senior AI Researcher](https://feeny.ai/job/senior-ai-researcher-latamcent-brazil-k3tpr31qx1t1) — Brazil - [Senior AI Researcher](https://feeny.ai/job/senior-ai-researcher-recursion-united-states-ja2n3qaanxx4) — United States - [Senior AI Researcher](https://feeny.ai/job/senior-ai-researcher-ivo-inc-san-francisco-ps3d21k1d84f) — San Francisco, CA - [Senior AI Researcher](https://feeny.ai/job/senior-ai-researcher-scout-ai-us-sunnyvale-zqbb607t3a7q) — US Sunnyvale, CA