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Job Details
Title: LLM Application Engineer (Full-Stack) – AI Chatbots for Financial Environments
Location: Geneva, Switzerland – Hybrid Work Model
Type: Permanent
Languages: Fluent English (C1+); other languages an asset
About the Role
We are looking for an experienced Full-Stack Engineer to design, build, and deploy AI-powered chatbot applications serving mission-critical functions across trading, middle office, and back office environments. You will take end-to-end ownership of the application stack, from UI to secure backend APIs and integrations with existing enterprise systems, collaborating closely with data science and infrastructure teams.
Key Responsibilities
* Chat UI Development: Create responsive React/TypeScript interfaces with SSO, semantic search, and chat patterns.
* API & Model Serving: Build FastAPI REST/gRPC endpoints, deploy LLMs using Triton, Ray Serve, or AWS SageMaker with GPU-aware autoscaling.
* Security: Implement OAuth2/OIDC, prompt validation, rate limits, audit logging, and row-level entitlements.
* Integration: Connect with Java/.NET systems, FIX, Kafka, and message queues with low latency.
* Monitoring & Deployment: Configure observability dashboards (Prometheus/Grafana), manage GitLab CI/CD, perform blue-green deployments.
* Infrastructure Automation: Contribute Terraform modules for EKS, API Gateways, Transit Gateways, and Lambda functions.
Technical Skills Required
* Python 3.x, FastAPI, LangChain/Haystack, React, TypeScript
* Hugging Face, AWS Bedrock SDK, Triton Inference Server, Ray Serve, AWS SageMaker
* OAuth2, OIDC, SSO
* SQL, pgvector, Pinecone, OpenSearch
* Docker, Kubernetes/EKS, Terraform, GitLab CI
* REST, gRPC, WebSockets, SSE
Profile
* 4+ years in developing cloud-native, user-facing applications (finance/trading preferred).
* Proven deployment of LLMs or deep learning models in production.
* Strong presentation and stakeholder communication skills.
* Ability to thrive in a high-speed environment while maintaining enterprise-grade reliability.
Job Requirements
Interested?
Don\'t hesitate to apply! We are looking forward to see your profile and experiences.
Company description
Experis SA – Your IT Partner in Switzerland
Experis SA, the Swiss branch of the ManpowerGroup, is a leader in recruiting specialized IT profiles. We offer flexible solutions: temporary assignments, permanent placements, project management, and professional training. Our expertise covers digital transformation, cybersecurity, cloud, infrastructure, and more. Thanks to our global reach combined with a pragmatic and personalized approach, we effectively support both professionals and companies in achieving their goals.
Seniority level
* Entry level
Employment type
* Full-time
Job function
* Information Technology
Industries
* IT Services and IT Consulting
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