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Senior Backend API Engineer @Kooku Recruiting GmbH

[Hiring] Senior Backend API Engineer @Kooku Recruiting GmbH

Mar 05, 2025 - Kooku Recruiting GmbH is hiring a remote Senior Backend API Engineer. 💸 Salary: unspecified. 📍Location: Europe, Germany.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more.

Role Description

As a Senior Backend API 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 Responsibilities

  • Develop and maintain scalable backend services using Rust, focusing on the core APIs that handle the heavy lifting for Xayn’s Noxtua platform
  • Design, develop, and deploy secure and robust APIs with a focus on scalability, stability, and security for customer-facing services
  • Manage Service and Tenant APIs using 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 performance to ensure speed, scalability, and overall system reliability across the platform
  • Contribute to platform development with a focus on security and stability while designing and deploying new APIs for AI-driven features
  • Collaborate with AI Engineers, DevOps, and Frontend Developers to implement solutions effectively and ensure seamless integration across teams

Qualifications

  • Strong proficiency in Rust and Python, with at least 2 years of Rust experience, including API development (e.g. with Tokio) and applying OpenAPI standards
  • Expertise in backend development, including database integration (PostgreSQL), Docker containerization, and security practices like OAuth and secure coding
  • Solid understanding of system architecture, with experience in microservices, scalable deployments using Kubernetes, 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

Requirements

  • Working Permission: EU
  • Language: English (fluent)

Benefits

  • Flexible working hours: Full-time (32-40h/week)
  • 26 days vacation + December 24th & 31st off
  • 100% remote work possible (given a German residence), other countries upon request
  • Discounts: e.g. Urban Sports Club Membership
  • Laptop (Lenovo or Mac), second screen, keyboard etc.

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📍 Be aware of the location restriction for this remote position: Europe, Germany
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Back to Remote jobs  >   Software Development
Senior Backend API Engineer @Kooku Recruiting GmbH
Software Development
Salary 💸 unspecified
Remote Location
Europe, Germany
Job Type full-time
Posted Mar 05, 2025
Apply for this position Unlock 54,785 Remote Jobs
️
📍 Be aware of the location restriction for this remote position: Europe, Germany
‼ Beware of scams! When applying for jobs, you should NEVER have to pay anything. Learn more.
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