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Koushik User

@koushikuser

Programmer Analyst delivering ML and NLP solutions for real-time risk monitoring, automation, and responsible AI at scale.

India

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What I'm looking for

I’m looking to build and deploy production ML/NLP systems with strong model validation, monitoring, and responsible AI governance—partnering with stakeholders to turn analytical results into real-time, actionable risk and automation outcomes.

I’m a Programmer Analyst at Cognizant Technology Solutions, focused on building and deploying supervised classification and anomaly detection ML models for real-time trade monitoring and alert generation, enabling data-driven risk and fraud signaling for financial operations. I’ve built and validated 35+ enterprise ML enhancements across Agile sprints using performance benchmarking, bias testing, and drift monitoring to keep production reliability high.

I also integrate NLP-based classification into automated correspondence analytics workflows—reducing manual communication overhead by 40%—and implement RBAC/IAM access governance on AWS to align data compliance and security controls with enterprise risk and regulatory standards. From traineeship to production delivery, I’ve owned end-to-end model validation frameworks, improved pipeline performance, and contributed responsible AI work (NIST AI RMF alignment, XAI, fairness analysis), including an IEEE publication.

Experience

Work history, roles, and key accomplishments

Programmer Analyst

Cognizant Technology Solutions

Nov 2024 - May 2026 (1 year 6 months)

Developed and deployed supervised ML models for real-time trade monitoring, enabling data-driven risk and fraud alerting for financial operations. Built and validated 35+ enterprise ML enhancements across 10 Agile sprints, integrated NLP analytics workflows that reduced manual communication overhead by 40%, and implemented AWS RBAC/IAM governance to support enterprise data compliance and security.

Python scikit learn TensorFlow NLP Anomaly Detection Classification AWS IAM CI CD Model Monitoring Drift Bias Testing

Programmer Analyst Trainee

Cognizant Technology Solutions

Dec 2023 - Nov 2024 (11 months)

Owned an end-to-end model validation framework using Scikit-learn and TensorFlow, resolving 50%+ recurring defects pre-production and improving reliability for financial analytics deployments. Automated Python ML workflows to reduce manual analyst effort by 30%, improved backend processing performance by 20% through query optimization and profiling, and supported post-deployment bug fixes.