Senior Fullstack React Engineer (f/d/m) | Legal AI Tech Start-up | Full Remote

Xayn; Remote; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading Legal AI company in Berlin is seeking a Senior Fullstack React Engineer (f/d/m). You will develop UI components, optimize performance, and integrate backend services for innovative legal solutions. Ideal candidates will have experience with React, TypeScript, and Node.js, and thrive in a fast-paced environment. This position offers flexible working hours and the possibility for 100% remote work within Germany. Our team values diverse perspectives and encourages applications from underrepresented groups.

Leistungen

Flexible working hours

26 vacation days

Remote work options

Urban Sports Club Membership

Laptop and equipment provided

Qualifikationen

• Worked across the full development lifecycle from design to backend connection with React.
• Experience with Node.js and API design.
• Optimised technical debt and implemented best coding practices.

Aufgaben

• Develop UI components using React and TypeScript.
• Implement performance optimization techniques.
• Connect APIs using RESTful services.

Kenntnisse

Fluent English

Full development lifecycle

Backend integration experience

Delivery in fast-paced environments

Optimising technical debt

Tools

React

TypeScript

Node.js

Docker

Git

Jobbeschreibung

Our offer for you

As a Senior Fullstack React Engineer (f/d/m), you will play a pivotal role in shaping and enhancing the user experience of our AI-driven legal solutions. Our B2B solutions are helping especially professionals, who work in law research and legal advising. You will work closely with our design, engineering, and product teams to develop and optimise intuitive, responsive, and scalable UI components, bringing innovation and efficiency to the forefront of our product offerings.

YOUR TEAM

You will join our Tech Team of around 14 people, including UI Engineers, UI Designer, AI Engineers as well as Fullstack, Backend and DevOps Engineers.

YOUR HIRING MANAGER

Aurélien leads one Engineering Team. With extensive experience in software development and a hands‑on, pragmatic leadership style, Aurélien values independent thinking and efficient solutions that drive real‑world impact.

OUR BENEFITS

• Working hours: Flexible working hours
• Vacation: 26 days + 24th & 31st December off
• Remote: 100% remote work possible (given a German residence), other countries upon request
• Discounts: e.g. Urban Sports Club Membership
• Equipment: Laptop (Lenovo or Mac), second screen, keyboard etc.

Your responsibilities

• Develop UI Components: Using React, TypeScript, Office.js, hooks, and responsive design
• Performance Optimization: Implement code splitting, lazy loading, and caching techniques
• Design Implementation: Pixel‑perfect execution from Figma designs with Tailwind and animations
• Backend Integration: Connect APIs using RESTful services, integrating WASM solutions for encrypted communication
• Testing & Debugging: Write tests using Vitest ensuring clean, functional code
• End‑to‑End Responsibility: From design handover to backend integration, ensuring APIs fetch the right data
• Tech Stack Optimization: Streamline tooling, optimising the codebase for better scalability & clean code best practices

Our Tech Stack

• React, Native JavaScript, TypeScript, Node.js & Office.js, Vitest

About you

• Language: English (fluent)
• Full development lifecycle: Worked across the full development lifecycle, from design to backend connection with React, TypeScript, Hooks, and Context API, HTML5, CSS3, Web Components
• Backend integration experience: Node.js, API design, authentication mechanisms (JWT, OAuth & Keycloak)
• Delivery: Delivered results in evolving fast‑paced startup environmentt
• Technical Debt: Optimised technical debt and implemented best coding practices in previous roles
• Optional: Familiarity with tools such as Webpack, Docker, Git, and CI/CD pipelines as well as Office.js Sounds good?
• Working Permission: EU
• Residence: Must be within the EU

About us

Noxtua is Europe's leading sovereign Legal AI. The legally compliant and competent AI helps legal professionals to research legal issues and review, and draft legal documents. The GDPR‑compliant Legal AI meets the high professional and data protection requirements for lawyers (§ 203 Penal Code, § 43e Federal Lawyers' Act) and is certified according to ISO 27001, 9001, 27018, 27017, 42001, and BSI C5. The product version Beck-Noxtua is based on the exclusive data of Germany’s leading legal publisher C.H.Beck and Germany’s largest business law firm CMS.

Emerging from a 2017 research project by Dr. Leif‑Nissen Lundbæk and Professor Dr. Michael Huth at Oxford University and Imperial College London, the Berlin‑based Legal‑Tech company, formerly known as Xayn, boasts extensive experience in developing highly efficient GDPR‑compliant AI solutions. Strategic partners, including Germany's leading legal publisher C.H.Beck, the High‑Performance Computing specialist Northern Data, Germany's largest business law firm and co‑initiator of the Legal AI Noxtua CMS, as well as the world's largest law firm Dentons, have invested a total of € 80.7 million in the German startup as part of its Series B funding round.

We explicitly encourage women to apply, as they are currently underrepresented. Our goal is to build a diverse and inclusive work environment that values different perspectives. Of course, we welcome applications from all qualified individuals – regardless of gender, ethnic origin, religion, disability, age, or sexual identity.