AI Engineer SR (CHR/AI-20250812)

Remote
Contract
Worldwide
Posted 4 days ago

Job Type

100% Remote

Work from anywhere

Employment Type

Contract

Flexible schedule

Location Preference

Worldwide

Preferred time zones

Experience Level

Senior

Required experience

Job Description

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

Ready to Join Celara?

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