Job
- Level
- Experienced
- Location
- Cologne
- Working Model
- Hybrid, Onsite
- Job Field
- Data, Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
Job Summary
In this role, you develop backend services for AI assistants, optimize semantic search, integrate LLMs, and ensure data privacy and quality management.
Job Technologies
Your role in the team
- You develop and operate the backend services behind our AI assistants, which provide our agents and their knowledge for all customer projects.
- You build and improve the search that finds the appropriate content for each question and prepares it for the answer.
- You ensure that large amounts of knowledge remain quickly searchable and take care of the development, operation, and quality of the search.
- You integrate language models (LLMs) and prepare the data they need.
- You integrate various AI providers and models while ensuring data protection and European data storage (GDPR).
- You ensure that responses arrive quickly and reliably — even with many simultaneous requests.
- You keep the data of different clients clearly separated and ensure that access rights are reliably enforced.
- You will decide on the architecture and work closely with the frontend, data, and AI teams.
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Our expectations of you
Qualifications
- Secure design and operation of APIs and real-time / streaming interfaces, including concurrent programming and performance optimization.
- Understanding of semantic search / AI-powered retrieval and handling large data sets.
- Proficient in container technologies, Linux, version control, and automated deployments (CI / CD).
- Solid database knowledge (relational and/or for search / vector data).
- Awareness of data protection, security, and tenant separation.
- Independent, structured way of working and enjoyment of teamwork.
- Very good knowledge of German.
Experience
- Several years of experience in backend development with a modern, type-safe programming language (e.g., Go, Rust, Java, C# or similar).
- Experience in integrating AI / LLM services.
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What we offer
- Future technologies: AI applications, semantic search, and proprietary AI infrastructure.
- Meaningful projects: Our clients are churches, social organizations, and public institutions.
- Design Freedom: You actively shape our AI platform.
- Further development: From traditional backend development to proprietary AI infrastructure.
- Flexible working: remote or hybrid - at our beautiful office in Cologne or from home.
- Modern equipment: New hardware, up-to-date tools, creative freedom.
- Pleasant atmosphere: flat hierarchies, friendly team, free snacks & drinks.
- Work-Life Balance: Flexible working hours, understanding for your private life.
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Topics You Will Work On
Job Locations
About Your Employer
I-gelb Gmbh
i-gelb konzipiert und realisiert anspruchsvolle Internetpräsenzen, Multimedia-Tools und Online-Kampagnen. Zu unseren Kunden zählen Non-Profit-Organisationen, Spitzenverbände, wissenschaftliche Einrichtungen und Unternehmen.
Description
- Company Type
- Established Company
- Industry
- Internet, IT, Telecommunication
Backend Developer / AI Engineer
- Location
- Cologne
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
