Backend Engineer | Rust & Python (m/f/d) | Legal AI Tech Start-up | Fully Remote

Kooku Recruiting GmbH; Deutschland; Remote; EUR 60.000 - 75.000; Vollzeit

Zusammenfassung

Une start-up juridique innovante, spécialisée dans l'IA, recherche un Backend Engineer pour développer des solutions IA respectueuses de la vie privée. Le candidat idéal aura une forte expertise en Rust et Python, prêt à travailler dans un environnement entièrement remote, avec des équipes dynamiques utilisant des technologies de pointe.

Leistungen

26 jours de congés payés + 24 et 31 décembre off

Équipement fourni (laptop, écran supplémentaire)

Horaires de travail flexibles

Déscentes sur abonnements sportifs

Qualifikationen

• Au moins 2 ans d'expérience en Rust, notamment dans le développement d'APIs.
• Maîtrise des pratiques de sécurité comme OAuth et du codage sécurisé.
• Expérience en développement dans l’architecture de microservices.

Aufgaben

• Développer et maintenir des services backend évolutifs en Rust.
• Concevoir, développer et déployer des API sécurisées et robustes.
• Intégrer des bibliothèques AI principalement en Python et optimiser les performances.

Kenntnisse

Rust

Python

API Development

Problem-solving

Algorithmic Skills

Tools

PostgreSQL

Docker

Kubernetes

GitHub

Atlassian JIRA

Confluence

Slack

Jobbeschreibung

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Backend Engineer | Rust & Python (m/f/d) | Legal AI Tech Start-up | Fully Remote, de

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Client:

Location:

de, Germany

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

68166c4645f5

Job Views:

2

Posted:

23.06.2025

Expiry Date:

07.08.2025

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Job Description:

The AI Startup Xayn developsNoxtua,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 versionBeck-Noxtuais based on the exclusive data of Germany’s leading legal publisherC.H.Beckand 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 publisherC.H.Beck, the High-Performance Computing specialistNorthern Data, Germany's largest business law firm and co-initiator of the Legal AI NoxtuaCMS, as well as the world's largest law firmDentons, have invested a total of € 80.7 million in the German startup as part of its Series B funding round.

Your Mission

As a Backend Engineer (m/f/d) you will play a vital role in developing Xayn’s privacy-first Legal AI solution helping professionals in the law research and advising domain. You’ll build scalable,high-performance backend services while working closely with AI researchers and engineers to implement cutting-edge features and optimize system performance.

Your Team

The Tech team consists of around 10 individuals who work remotely or at the office in Berlin city center. Besides the development team, Xayn’s technical lead and an external consultant team handle various tasks related to providing Xayn’s development team with the necessary technical environment, ensuring the smooth operation and scalability of Xayn’s AI applications.

Your Hiring Manager

Simon is heading the Tech Team (Development, Infrastructure). With more than 15 years of experience in software development, he is an advocate for product driven development, solving real life problems.

Your Responsibilities

• Develop and maintain scalable backend servicesusing Rust, focusing on the core APIs that handle the heavy lifting for Xayn’s Noxtua platform
• Design, develop, and deploy secure and robust APIswith a focus on scalability, stability, and security for customer-facing services
• Manage Service and Tenant APIsusing Python, including tenant creation, administration, and rights management for efficient customer operations
• Integrate AI libraries primarily in Python, implementing features close to LLMs (Large Language Models) and supporting AI-related API development
• Optimize algorithms and system performanceto ensure speed, scalability, and overall system reliability across the platform
• Contribute to platform developmentwith a focus on security and stability while designing and deploying new APIs for AI-driven features
• Collaborate with AI Engineers, DevOps, and Frontend Developersto implement solutions effectively and ensure seamless integration across teams
• Programming:Rust, Python
• Version Control:GitHub
• CI/CD System:GitHub Actions
• Ticket System:Atlassian JIRA
• Documentation:Confluence
• Communication:Slack
• Office Application:MS365

Requirements

• Working Permission:EU
• Strong proficiency in Rust and Python, with at least 2 years of Rust experience, including API development (e.g. withTokio)and applyingOpenAPI standards
• Expertise in backend development, including database integration (PostgreSQL), Docker containerization, and security practices likeOAuthand secure coding
• Solid understanding of system architecture, with experience in microservices, scalable deployments usingKubernetes, and network architecture fundamentals
• Strong problem-solving and algorithmic skills, with a clean code approach and a focus on performance optimization
• Test-driven development mindset, with proven experience in extending Python projects, ensuring type-safe coding practices, and efficient collaboration within cross-functional teams
• Working hours:Flexible working hours: Full-time (32- 40h/week).
• Vacation:26 days + December 24th & 31st 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.