AI Research Engineer - Applied AI

New

PlexTracCybersecurity SaaS

Remote — India only., Core working hours that partially overlap with U.S. Eastern Time.Full-TimeMiddle

Salary not disclosed

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Job Details

3+ years of software engineering experience with a focus on machine learning in production environments
Hands-on experience building and shipping ML models from training through to deployment and maintenance
Strong Python skills
Working knowledge of common ML libraries such as scikit-learn, PyTorch, or TensorFlow
Experience working with large, messy datasets including cleaning, labeling, and structuring data
Familiarity with MLOps basics including versioning, monitoring, and retraining models
Ability to evaluate model performance and explain trade-offs to non-technical stakeholders
Working knowledge of backend systems and API design

Build, train, and evaluate machine learning models that detect security threats and unusual system behavior
Develop and maintain production AI features: prompt orchestration, retrieval-augmented generation (RAG), model serving, and observability
Work with raw security data — logs, network traffic, event streams — to build reliable training datasets
Build and maintain automated pipelines for model performance reporting and operational workflows
Design and maintain data ingestion and transformation services used by downstream AI systems
Monitor models in production, identify performance issues, and ship fixes
Test models for accuracy, bias, and reliability before they reach production
Work closely with security analysts to understand detection requirements and translate them into model improvements
Design distributed training environments, optimize computational efficiency, and manage GPU clusters
Fine-tune and evaluate LLMs and deep learning models using SFT and RLHF techniques

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