AI Architect (Python & Chatbot & AWS Enterprise Solutions)
Employment Type: Permanent
Seniority: Senior / Lead
Department: Data & AI
About the Role
In this Role, You Will:
- Define reference architectures for RAG pipelines and agentic systems, ensuring safety and reliability.
- Lead end-to-end design and implementation of AI/ML systems, including model selection, training, and deployment.
- Leverage AWS AI/ML services (Amazon Bedrock, SageMaker, Lambda, S3, EC2, EKS) for cloud-native solutions.
- Architect conversational AI (chatbot) capabilities with RAG and LLM fine-tuning strategies.
- Establish observability and evaluation frameworks for LLM Ops, including tracing and monitoring.
Work Model
What You Need to Have to Be Considered
- 15+ years in technical roles, with 5+ years in enterprise-scale AI/ML solution design.
- Expert in Python (typing, async, packaging), FastAPI/Flask, and API design.
- Hands-on delivery of RAG systems and agentic workflows.
- Strong experience with AWS/Azure/GCP for AI workloads, containers, and Kubernetes.
- Solid grounding in security & compliance (IAM, PII handling, audit logging).
These Will Help You Stand Out
- Experience with agent frameworks (CrewAI, AutoGen, LangGraph).
- Familiarity with observability tools for LLMs (LangSmith, Langfuse, Arize Phoenix).
- Knowledge of prompt engineering patterns and safety techniques.
- Certifications in AWS GenAI, Azure AI, or GCP ML/GenAI.
What We Offer (Belgium)
- Health insurance, life cover, and pension plan.
- Car or mobility budget, work-from-home allowance.
- 32 vacation days, luncheon vouchers, EcoCheques.
- Laptop, mobile phone with subscription.
- Travel insurance and entertainment cost coverage.
Contact the Recruiter
The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.
- Cognizant is a global community with more than 300,000+ associates around the world.
- We don’t just dream of a better way – we make it happen.
- We take care of our people, clients, company, communities and climate by doing what’s right.
- We foster an innovative environment where you can build the career path that’s right for you.
About us:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
Disclaimer:
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.