Senior Backend Engineer | Rust

Our offer for youAs a Senior Backend Engineer (m/f/d) you will play a vital role in developing Noxtua’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, Noxtua’s technical lead and an external consultant team handle various tasks related to providing Noxtua’s development team with the necessary technical environment, ensuring the smooth operation and scalability of Noxtua’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.BENEFITS  Working hours: Flexible working hours: full-time or part-timeVacation: 26 days + December 24th & 31st off Remote: 100% remote work possible (given an EU residence)Discounts: e.g. Urban Sports Club Membership Equipment: Laptop (Lenovo or Mac), second screen, keyboard etc.  Your responsibilitiesDevelop and maintain scalable backend services using Rust, focusing on the core APIs that handle the heavy lifting for Noxtua's platformDesign, develop, and deploy secure and robust APIs with a focus on scalability, stability, and security for customer-facing servicesManage Service and Tenant APIs using Python, including tenant creation, administration, and rights management for efficient customer operationsIntegrate AI libraries primarily in Python, implementing features close to LLMs (Large Language Models) and supporting AI-related API developmentOptimize algorithms and system performance to ensure speed, scalability, and overall system reliability across the platformContribute to platform development with a focus on security and stability while designing and deploying new APIs for AI-driven featuresCollaborate with AI Engineers, DevOps, and Frontend Developers to implement solutions effectively and ensure seamless integration across teamsOur Tech StackProgramming: Rust, Python Infrastructure: AWS, Docker, KubernetesDatabase: e.g. PostgreSQL & Redis Version Control: GitHubCI/CD System: GitHub ActionsTicket System: Atlassian JIRADocumentation: ConfluenceCommunication: Slack Office Application: MS365 About youWorking Permission: EUResidence: must be within the EULanguage: English (fluent) Strong proficiency in Rust and Python, with at least 2 years of Rust experience, including API development (e.g. with Tokio) and applying OpenAPI standardsExpertise in backend development, including database integration (PostgreSQL), Docker containerization, and security practices like OAuth and secure codingSolid understanding of system architecture, with experience in microservices, scalable deployments using Kubernetes, and network architecture fundamentalsStrong problem-solving and algorithmic skills, with a clean code approach and a focus on performance optimizationTest-driven development mindset, with proven experience in extending Python projects, ensuring type-safe coding practices, and efficient collaboration within cross-functional teamsAbout 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.