Frontend Software Engineer (React)

NLPatent

London, England, United Kingdom Hybrid permanent

Posted: January 30, 2026

Required Skills

Job Description

About the role:

NLPatent is an industry leading AI-first patent research platform that was an early mover in the application of Large Language Models. We use a combination of proprietary and off-the-shelf machine learning models and NLP techniques to help our users answer patent related research questions such as "Is my invention patentable?". Increasingly, we're using generative LLMs to build agentic workflows that answer research questions without any human intervention.

As a software engineer at NLPatent, and one of the early hires for the engineering team, you'd be key in building the core features and foundations to scale out the platform. You'd work closely alongside NLPatent's CTO and senior engineers in planning and executing product development.

Requirements:
• 2+ years of commercial frontend engineering experience
• Proficiency in HTML, CSS, and TypeScript
• Strong commercial experience with React and Next.js (App Router)
• Experience with data fetching and caching using TanStack Query
• Experience with unit and integration testing (e.g., Jest, React Testing Library, Vitest)
• Experience consuming RESTful APIs
• Understanding of complex state management (e.g., React Context, Zustand, Redux)
• Proficiency with Git and version control workflows
• Willing to work 3 days per week onsite in our London office

Bonus points for:

• Experience with End-to-End testing (e.g., Datadog, Cypress, Playwright)
• Knowledge of web performance optimization and Core Web Vitals
• Exposure to CI/CD pipelines (e.g., GitHub Actions)
• Basic understanding of Python or backend technologies (Django, SQL/PSQL, AWS)
• Exposure to UI/UX design principles
• Experience or familiarity with patent data

Benefits:
• Flexible working
• Pension
• Training & Development
• Stock Option Plan
• Work from home budget
• 25 days of paid annual leave

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