AI Engineer SR (CHR/AI-20250812)

Remote
Celara /
Contract /
Remote
We’re looking for a Senior AI Engineer — a hands-on technical leader with deep expertise in AI/ML, large-scale data engineering, and modern GenAI workflows. You thrive in high-autonomy, fast-moving environments, combining strong research skills with the ability to ship production-ready systems. This is a high-ownership role for someone who pairs technical excellence with a product mindset, mentors others, and solves complex problems in real time.

Key Responsibilities

    • 1. Lead AI Research & Model Development
    • Lead AI research and development, designing and implementing state-of-the-art machine learning and deep learning models.
    • Develop cutting-edge AI algorithms for NLP, computer vision, generative AI, and bias detection.
    • Optimize deep learning architectures (transformers, CNNs, RNNs, diffusion models) for accuracy, efficiency, and cost-effective inference.
    • Apply advanced mathematical concepts (linear algebra, probability, discrete mathematics, statistics, optimization) to AI model development.
    • 2. Build & Deploy GenAI Solutions
    • Build and deploy Python-based GenAI solutions for analyzing and improving ad content.
    • Work with large-scale, complex datasets — from acquisition to preprocessing, feature engineering, and augmentation — to enable high-quality model training and evaluation.
    • Design and implement LLM-based pipelines using tools like LangChain, LlamaIndex, and OpenAI APIs.
    • Own development of RAG systems, vector search, and prompt workflows.
    • 3. Production-Ready AI Systems
    • Build robust APIs to integrate AI models into production systems (FastAPI, Flask, Django).
    • Design scalable AI solutions with MLOps best practices for production-ready deployment.
    • Move fast: ship features, not just prototypes.

Required Skills & Experience

    • 1. Core AI/ML Expertise
    • 5+ years of experience in Python and AI/ML engineering.
    • Strong understanding of LLM-based workflows, embeddings, prompt engineering, and RAG.
    • Experience with modern GenAI frameworks (e.g., LangChain, LlamaIndex).
    • Experience working with large-scale datasets, preprocessing, feature engineering, and augmentation.
    • Familiarity with vector databases (e.g., FAISS, Pinecone, Weaviate).
    • 2. Software Engineering & Deployment
    • Ability to build and deploy APIs using FastAPI, Flask, or equivalent.
    • Solid software engineering habits: clean code, version control, CI/CD.
    • Cloud computing expertise (AWS, GCP, Azure) for scalable AI deployments.
    • Experience with LLM cost optimization and open-source model deployment.
    • 3. Leadership & Collaboration
    • Mentoring and guiding AI engineers, fostering a research-driven development culture.

Why Join us?

    • Work on large-scale AI projects with real-world impact 
    • High autonomy, high-impact role on a lean, ambitious team
    • Shape both the product and technical foundation of AI systems
    • Fully remote work with flexibility
    • Competitive compensation and opportunities for career growth.
    • Continuous learning, experimentation, and exposure to cutting-edge AI tools