
Senior AI Engineer
WEX
full-time
Posted on:
Location Type: Remote
Location: California • Illinois • United States
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Salary
💰 $121,500 - $145,500 per year
Job Level
Tech Stack
About the role
- Partner with stakeholders to translate complex customer challenges into robust technical designs and AI strategies
- Architect, build, and deploy high-performance AI/ML platforms and tools, ensuring scalability, reliability, and security
- Lead the development, evaluation, fine-tuning, and monitoring of production-grade AI/ML models (including LLMs and RAG architectures)
- Design and standardize CI/CD pipelines (GitHub Actions) and Infrastructure as Code (Terraform) to ensure reproducible and automated deployments
- Proactively monitor system health, lead incident response for critical AI systems, and drive architectural refactoring to remove bottlenecks
- Mentor L1/L2 engineers, conduct code reviews, and foster a culture of engineering excellence and best practices
- Evaluate emerging AI technologies/vendors and prototype new approaches to keep the organization at the cutting edge of the industry.
Requirements
- 5+ years of experience as an AI/ML Engineer, Data Scientist, or Software Engineer
- Bachelor's degree in Computer Science, Software Engineering, or related field; a Master’s or PhD in AI/ML is preferred
- Proven track record of taking AI solutions from concept to high-scale production using Java, C#, GoLang, or Python
- Deep experience with Generative AI, including prompting strategies, RAG (Retrieval-Augmented Generation), fine-tuning, and agentic workflows
- Strong ability to design distributed systems and microservices architectures for model serving
- Demonstrated ability to lead technical discussions with non-technical stakeholders and drive consensus
- Experience in the financial or fintech industry is a plus
- Expert proficiency in Python (preferred) or other core languages (Java, Go, C#)
- Deep knowledge of modern ML frameworks (PyTorch, TensorFlow, Scikit-learn) and LLM orchestration (LangChain, LlamaIndex, vLLM)
- Advanced understanding of MLOps principles, feature stores, and model monitoring
- Solid grasp of advanced probability, statistics, and linear algebra
- Extensive hands-on experience with Kubernetes (deploying and managing clusters) and Cloud platforms (AWS preferred)
- Strong command of CI/CD methodologies and Infrastructure as Code (Terraform)
- Excellent data engineering skills (SQL, NoSQL, data lakes, and processing pipelines).
Benefits
- health, dental and vision insurances
- retirement savings plan
- paid time off
- health savings account
- flexible spending accounts
- life insurance
- disability insurance
- tuition reimbursement
- comprehensive and market competitive benefits
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
AI/MLJavaC#GoLangPythonGenerative AIRAGMLOpsKubernetesSQL
Soft Skills
mentoringtechnical discussionsdriving consensusincident responsearchitectural refactoringengineering excellencecode reviews
Certifications
Bachelor's degree in Computer ScienceBachelor's degree in Software EngineeringMaster’s degree in AI/MLPhD in AI/ML