Senior Full-stack Engineer

Limbic's vision is to ensure the highest quality therapy is accessible to everyone, everywhere. The way we do that is by deploying AI responsibly, using it to augment clinical care and reduce barriers to accessing therapy at scale. Limbic is already used extensively in Talking Therapies in the UK, and now expanding operations into the US market. Every day, thousands of patients already interact with Limbic, making therapy more accessible. Limbic goes beyond replacing existing processes with AI and helps people recover from their mental health challenges who otherwise would not have.

We're seeking a Senior Full-stack Engineer to help build the product surfaces that bring our AI for mental health care to patients and clinicians in the emerging US market. You will work end-to-end across our systems, shipping features that combine clinical-grade reliability with a strong user experience. You will play a critical role in translating our platform capabilities into products that real users — patients and care providers — depend on every day.

What you'll do:

• Design, build, and ship full-stack features end-to-end, including:
• Implementing TypeScript/Node.js backend services compliant with data residency and regulatory standards
• Building React user interfaces for both patient-facing and clinician-facing products
• Modeling and handling application data (PostgreSQL, MongoDB) using regulatory compliance best practices
• Integrating features with ML/AI services and safety guardrails
• Treat security, data residency, and compliance as first-class concerns given our patient/clinical data context
• Collaborate and demonstrate ownership in a cross-functional team to integrate features smoothly and swiftly into a product
• Participate in code reviews and contribute to engineering standards
• Triage incoming alerts for collaborative error monitoring
• Participate in periodic 'SideQuest' hackathon days

We encourage women and individuals from diverse backgrounds to apply and join our team. We believe in creating an inclusive and supportive work environment where everyone can contribute their best.

Requirements:

• 4+ years of professional full-stack engineering experience
• This position requires availability during standard business hours for our teams across Europe (UTC to UTC+3)
• Ability to work from London (Spitalfields) office 1-day per week is preferred
• Limbic cannot provide visa sponsorship
• Strong TypeScript and Node.js ability (GraphQL and tRPC familiarity preferred)
• Solid React experience building production web applications
• Experience with databases — should be comfortable with PostgreSQL as well as document databases and KV stores
• Experience using AWS services in production and CI/CD pipelines (GitHub Actions)
• Proficiency with Git
• Interest in the mental healthcare space
• Experience with queue-based systems (BullMQ + Redis) is a bonus
• Experience working in a regulated or security-sensitive environment (healthcare, fintech, etc.) is a bonus
• Experience with React Native is a bonus

Benefits:

• An amazing office in central London (flexibility regarding working from the office and wfh)
• 25 days PTO
• Pension scheme
• Enhanced parental leave packages (UK)
• Equity share options
• Support with purchasing work-related books and materials

We take employee wellbeing seriously at Limbic and in addition to the above we offer:

• Quarterly life days (Enjoy 4 paid days off per year to use whenever you choose - one each quarter - to relax, recharge, or take care of personal matters)
• Access to mental health support