Senior AI Engineer – Generative AI / LLM

Switzerland | Sept. 29, 2026

Report as Closed

Company: Swisslinx AG

Country: Switzerland

Type: Onsite

Employment: Part-time

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Senior AI Engineer – Generative AI / LLM
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For a long\-term project within a leading international financial institution in Basel, we are looking for an experienced Senior AI Engineer to join an Advanced Analytics \& AI team.

Senior AI Engineer – Generative AI / LLM
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### description:

* Design and develop **AI\-driven applications and software architectures** using
* Build and deploy **Generative AI and Large Language Model (LLM) applications**
* Develop testing and evaluation methodologies for LLM\-based solutions
* Work with **Azure OpenAI APIs** and related AI services
* Develop **RAG and agent\-based AI solutions** for different business use cases
* Explore, preprocess and integrate large structured and unstructured datasets
* Build APIs and interfaces to integrate AI solutions into existing platforms
* Ensure applications are production\-ready through **testing, CI/CD, monitoring and observability**
* Monitor, maintain and continuously improve deployed AI applications
* Collaborate closely with technical teams and business stakeholders


### About the customer:

You will work alongside AI Engineers, Data Engineers and Quantitative Developers to design and build **production\-ready AI and Generative AI applications**. The role combines strong software engineering with hands\-on experience in LLMs, RAG, AI agents and modern cloud technologies.

**Framework:**

* **Location:** Basel, Switzerland
* **Homeoffice**: 50% within Switzerland
* **Workload:** 100%
* **Start:** 1 December 2026
* **Duration:** 24 months
* **Contract:** Temporary / Contract


### Requirements:

* Around **5\+ years of professional Software Engineering experience**, with recent hands\-on experience as an **AI Engineer, Machine Learning Engineer or similar**
* Strong  **development** skills and experience building production\-grade applications
* Proven experience developing and deploying **Generative AI / LLM solutions**
* Hands\-on experience with **LangChain, LlamaIndex or comparable frameworks**
* Experience with **prompt engineering and LLM evaluation**
* Practical experience with **AI agents / agentic AI frameworks**
* Familiarity with **RAG architectures and vector databases** such as ChromaDB or Weaviate
* Experience with cloud environments, ideally **Microsoft Azure / Azure OpenAI**
* understanding of CI/CD, monitoring, performance analysis and application support
* Degree in Computer Science, Data Science, Statistics or a related field, or equivalent professional experience
* Strong English communication skill


**Nice to have:**

* Experience with **FastAPI, Flask or Django**
* Docker or other containerisation technologies
* Streamlit or Plotly Dash
* SQL and NoSQL databases
* Graph databases and graph\-based data representations
* Front\-end technologies such as React, Angular, JavaScript, HTML and CSS
* Previous experience within **banking or financial services**
* Contributions to AI/ML open\-source projects or relevant AI certifications
* Master's or PhD in a relevant technical field


This is an opportunity to join a highly specialised **Advanced Analytics \& AI environment** and work on modern Generative AI solutions with a strong focus on real\-world, production\-grade applications.

The position offers a **long\-term 24\-month engagement in Basel**, working at the intersection of software engineering, Generative AI and financial technology.


* Swisslinx AG  
Löwenstrasse 29  
8001 Zürich


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