Senior AI Architect – LLM & Agent Systems

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Job

Happy Group AB · Full-time

Holländargatan 29, Stockholm, Sweden

Happy Group AB
Employer
Full-time
Employment type
Yes
Experience required

About the Role Our client, a technology-driven consulting firm, is seeking a senior AI architect who wants to work at the forefront of modern AI development. You will work on assignments with clients in both the private and public sectors, with a focus on designing, building, and deploying advanced AI solutions. The role involves taking responsibility for the architecture and implementation of solutions based on Large Language Models (LLM), Retrieval-Augmented Generation (RAG), and agent-based systems. This is not a role for experimental prototypes – we're looking for someone with experience taking AI solutions all the way to robust production environments with requirements for performance, scalability, and quality. You work both strategically and operationally: setting technical direction, designing architecture, and being hands-on in implementation. Qualifications We're looking for someone with: Documented experience designing and deploying LLM-based solutions Built and implemented RAG architecture (embeddings, retrieval, chunking, evaluation) Experience with agent-based systems and workflow orchestration Worked with performance optimization, scalability, and AI in production Experience in regulated or complex environments (e.g., public sector, MedTech, finance, or similar) Understanding of GDPR and/or AI Act Several years of experience in software architecture and distributed systems You're not just a developer – you take architectural responsibility and can justify technical decisions. Desirable Experience Multimodal models (vision + language) OCR or document automation solutions GPU/compute environments Experience in an advisory role or technical leadership Teaching, publishing, or open source involvement Key Responsibilities Design and implement LLM and agent-based systems Set architecture for RAG and retrieval strategies Ensure robust deployment and operational readiness Work with AI governance, risk assessment, and documentation Serve as a technical advisor on AI-related decisions What the Company Offers Opportunity to work with AI in real production environments High technical level and complex problems Influence on architecture and technical direction An environment where quality, depth, and long-term thinking are prioritized Application Send your CV and a few lines about yourself to: 📩 [email protected] For questions about the position, please contact: 📧 [email protected] Screening is ongoing, and we will always follow up with relevant candidates within 24 hours – we look forward to hearing from you

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City
Stockholm
Address
Holländargatan 29
GPS
59.339415370087, 18.057517497664
Published
Profession
Civilingenjör, systemutveckling
Salary type
Fixed monthly, weekly or hourly pay
Open positions
1
Employer Workplace
Happy Group AB
Region
Stockholms län
Occupation Field
Data/IT

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