AdTechTalent
Data Science63 days agoRemote

Pixalate

AI Engineer (PhD Required)

PhDAI EngineerPythonPyTorchTensorFlowLangChainAutoGenHugging Face TransformersRayRAGvector databasesdistributed trainingGPU optimizationtransformersreinforcement learningneural architecture searchAutoMLMLOpsfraud detectionmultimodal learningagentic AImachine learningresearchonline trust and safety

Key details

Salary

Not specified

Employment type

Full-time

Seniority

Senior

Years experience

10+

Location

Remote, Pakistan

Full job description

Full-time AI Engineer role requiring a PhD in Computer Science, AI, Machine Learning, or related field. The position is remote based in Pakistan. Responsibilities include designing multi-agent architectures for autonomous fraud detection, developing agent coordination systems, creating AI agents for complex reasoning, researching agent safety, implementing advanced reasoning systems, optimizing inference compute, developing chain-of-thought mechanisms, building multimodal models, and developing RAG architectures. Required expertise includes Python, PyTorch, TensorFlow, LangChain, Hugging Face Transformers, Ray, RAG systems, vector databases, distributed training, GPU optimization, transformer architectures, reinforcement learning, neural architecture search, AutoML, and MLOps. Candidates must have a strong research track record with published work in LLMs, agentic AI, multimodal learning, and scalable ML. Experience with large-scale experimentation, research tools, and strong theoretical foundations is required. Preferred qualifications include experience in fraud detection, cybersecurity, open-source contributions, industry research labs, and production system translation.

What you'll do

  • Design and implement multi-agent architectures for autonomous fraud detection and analysis
  • Develop sophisticated agent coordination systems using frameworks like LangChain, AutoGen, or custom architectures
  • Create tool-integrated AI agents capable of complex reasoning and decision-making
  • Research novel approaches to agent safety and alignment in production environments
  • Implement state-of-the-art reasoning systems inspired by recent breakthroughs (o1, DeepSeek-R1)
  • Optimize inference-time compute allocation for complex analytical tasks
  • Develop chain-of-thought and verification mechanisms for high-stakes decision making
  • Research novel approaches to scaling reasoning capabilities efficiently
  • Build advanced multimodal models for analyzing video, image, text, and behavioral data
  • Develop sophisticated RAG (Retrieval-Augmented Generation) architectures including high-performance vector databases and hybrid search systems
  • Implement advanced chunking strategies and semantic understanding
  • Create context-aware retrieval mechanisms for complex documents
  • Research cross-modal learning for fraud pattern detection

Requirements

  • PhD in Computer Science, AI, Machine Learning, or related field (or exceptional research track record)
  • Published research in peer-reviewed venues demonstrating expertise in Large Language Models and transformer architectures
  • Published research demonstrating expertise in Agentic AI, autonomous systems, or multi-agent coordination
  • Published research demonstrating expertise in Multimodal learning or computer vision
  • Published research demonstrating expertise in Distributed systems and scalable ML
  • Expert proficiency in Python and deep learning frameworks (PyTorch preferred, TensorFlow)
  • Advanced experience with modern AI frameworks: LangChain, Hugging Face Transformers, Ray
  • Experience in agent development and orchestration
  • Experience with RAG systems and vector databases
  • Experience with distributed training frameworks and GPU optimization
  • Strong understanding of transformer architectures and attention mechanisms
  • Strong understanding of reinforcement learning and reward modeling
  • Strong understanding of neural architecture search and AutoML
  • Strong understanding of MLOps and production ML systems
  • Track record of novel algorithm development and innovation
  • Experience with large-scale experimentation and ablation studies
  • Proficiency in research tools: Weights & Biases, MLflow, TensorBoard
  • Strong theoretical foundation in optimization, statistics, and linear algebra

Tech stack

PythonPyTorchTensorFlowLangChainAutoGenHugging Face TransformersRayRAG systemsvector databasesdistributed training frameworksGPU optimizationWeights & BiasesMLflowTensorBoard

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