Senior AI Engineer: Production LLMs & Scalable Backends

SGI; Zug; On-site; CHF 120,000 - 180,000; Full time

Job summary

Source Group International Ltd (SGI) is seeking a hands-on backend engineer in Switzerland to build production-grade systems and deploy LLM-powered apps. You will work directly with customers, design robust data pipelines, and help shape product direction.

The role requires 3+ years of backend experience, strong Python, cloud and API skills, plus fluency in German and English. Authorized to work in Switzerland; you’ll join a tight-knit team in a fast-growing AI company.

Qualifications

• 3+ years of professional backend development experience.
• Strong Python skills with production systems running at scale.
• Experience deploying LLMs into production for real users.
• Fluent German and English.
• Authorized to work in Switzerland.
• Comfortable interacting directly with customers and translating business needs into technical solutions.
• Proactive, entrepreneurial mindset with ownership.

Responsibilities

• Build and maintain scalable backend services in Python.
• Design, develop and deploy LLM-powered applications for real users.
• Work closely with customers to understand requirements and deliver impactful solutions.
• Develop APIs, integrations, background jobs, and data-processing pipelines.
• Contribute to architecture decisions and technical strategy.
• Collaborate with a small, highly motivated team in a fast-paced environment.
• Help shape both the product and the future growth of the company.

Skills

Backend development

Python

LLM deployment

APIs & data pipelines

Cloud environments

German & English

Work authorization

Customer interaction

Tools

Terraform

Azure

OCR solutions

Vector databases

GenAI frameworks

RAG

AI agents

Job description

Source Group International Ltd (SGI) is seeking a hands-on backend engineer in Switzerland to build production-grade systems and deploy LLM-powered apps. You will work directly with customers, design robust data pipelines, and help shape product direction.

The role requires 3+ years of backend experience, strong Python, cloud and API skills, plus fluency in German and English. Authorized to work in Switzerland; you’ll join a tight-knit team in a fast-growing AI company.