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Vetted R Professionals

Pre-screened and vetted.

RPythonSQLDockerAWSTensorFlow
IS

Irfan Shaik

Screened

Mid-level AI Software Engineer specializing in risk and fraud detection

Los Angeles, California4y exp
VisaGeorge Mason University

“AI/software engineer with experience at Visa building a real-time transaction fraud/risk scoring microservice in the card authorization path (Python, Kafka, Kubernetes on AWS) with strict 120–150ms latency constraints and reason-code outputs for downstream decisioning. Owns ML backend end-to-end (data/feature engineering, model training, deployment) and has demonstrated production reliability work including latency spike mitigation, SLO-based observability, drift monitoring, and safe fallbacks to rule-based decisions.”

PythonPandasNumPyScikit-learnTensorFlowKeras+109
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YW

Yufan Wei

Screened

Intern AI Engineer specializing in LLM agents, RAG, and applied biostatistics

Beijing, China0y exp
SiemensEmory University

“Siemens AI engineer who shipped production multi-agent LLM systems across cybersecurity and sustainability, including a vulnerability automation agent that cut manual work 70%. Deep in orchestration (LangGraph supervisor-worker state machines), reliability engineering (async fault tolerance, retries, spike handling), and rigorous evaluation (offline benchmarks, LLM-as-a-Judge improving label agreement 28.9%) with measurable production guardrails.”

PythonJavaScriptTypeScriptSQLRHTML+70
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RH

Rahul Hatkar

Screened

Mid-level AI/ML Engineer specializing in LLMs, RAG pipelines, and MLOps

San Francisco, CA6y exp
Scale AIWebster University

“AI/ML engineer who has shipped production AI systems end-to-end, including an automated multi-channel (Gmail/WhatsApp/voice) candidate interviewing workflow and an enterprise RAG knowledge search platform. Demonstrates strong production rigor (monitoring, A/B tests, guardrails, schema validation, shadow testing) with quantified impact: ~60–70% reduction in interview evaluation time and ~20–30% relevance gains in RAG retrieval.”

A/B TestingAgileAnomaly DetectionAnsibleApache HadoopApache Spark+167
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AC

AKHIL CHIPPALTHURTHY

Screened

Mid-level AI/ML Engineer specializing in NLP, LLMs, and risk modeling

NJ, USA5y exp
JPMorgan ChaseStevens Institute of Technology

“GenAI/LLM engineer who architected and deployed a production RAG “research assistant” for JPMorgan Chase’s regulatory compliance team, focused on safety-critical behavior (mandatory citations, refusal when evidence is missing). Deep hands-on experience with LlamaIndex, Pinecone, Hugging Face embeddings, LangGraph agent workflows, and metric-driven evaluation (golden sets, TruLens), including a reported 28% relevancy lift via cross-encoder re-ranking.”

AWSAWS CloudFormationAWS LambdaBERTBigQueryClaude+110
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JZ

jiayu Zhao

Screened

Junior Quantitative Analyst and Full-Stack Engineer specializing in FinTech and web platforms

Chicago, IL6y exp
Happy CashierUniversity of Chicago

“Backend/distributed-systems engineer with AI infrastructure experience who built an AI-driven video generation platform, focusing on an asynchronous FastAPI-based orchestration layer between user APIs and heavy inference services. Strong in production instrumentation and latency/concurrency optimization; actively learning ROS 2 but has not yet worked on physical robotics or ROS-based deployments.”

AWSAWS CodePipelineAWS LambdaCC++CI/CD+67
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PK

Pavan Kumar Malasani

Screened

Mid-level AI/ML Engineer specializing in financial risk, fraud detection, and GenAI

Remote, USA4y exp
CitigroupUniversity of Colorado Boulder

“GenAI/ML engineer in Citigroup’s finance environment who has deployed production RAG systems for investment banking under strict privacy and model-risk constraints. Built an internal-VPC Llama2 + Pinecone + LangChain solution with NER redaction and citation-based verification to prevent hallucinations, delivering major time savings, and also partnered with global finance executives to ship an AI early-warning indicator for treasury/liquidity risk.”

A/B TestingAmazon CloudWatchApache AirflowApache HiveApache KafkaApache Spark+137
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YZ

Yujie Zhang

Screened

Mid-level Embedded Software Engineer specializing in LiDAR firmware and SoC systems

San Jose, CA4y exp
CeptonUSC

“Firmware architect/lead engineer for automotive LiDAR sensors, designing RTOS-based, layered firmware and solving high-throughput real-time constraints using DMA and lock-free buffering. Built ROS nodes to bridge embedded sensor output to higher-level perception (point clouds, diagnostics, configuration) while isolating real-time logic in firmware. Established an end-to-end CI/CD pipeline with GTest unit tests plus SIL/HIL automation and Dockerized build/test environments.”

A/B TestingAPI DesignAWSCC++CI/CD+97
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YK

Yukti Kamthan

Screened

Senior Software Engineer specializing in AI/ML and data systems

Mumbai, India10y exp
JPMorgan ChaseFlorida International University

“Built and shipped production LLM/AI agent systems including an NL-to-SQL query agent with semantic search and Redis-based caching, using schema-aware prompting and threshold validation to reduce hallucinations. Has orchestration experience running ML microservices on Kubernetes and automating event-driven insurance (P&C) workflows (claims/policy + fraud checks), reporting ~60% manual overhead reduction and ~99% uptime, with strong monitoring/drift-detection and business-facing Power BI reporting.”

AgileAnalyticsArtificial IntelligenceAutomationBackend DevelopmentCI/CD+85
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HK

HEMANTH KUMAR KOTTAPALLI

Screened

Mid-level Machine Learning Engineer specializing in GPU-accelerated LLMs and MLOps

GA, USA4y exp
BlackRockMercer University

“Built and deployed a production LLM-powered decision-support system for supply-chain planners that explains demand forecast changes using grounded retrieval from sales, promotion, inventory, and supplier data. Implemented strict anti-hallucination guardrails and latency optimizations, deployed as a real-time AWS API with monitoring, and reported ~15% forecast accuracy improvement and ~12% supply-chain risk reduction. Experienced orchestrating data/ML/LLM workflows with Airflow, LangChain/LangGraph-style patterns, and AWS Step Functions while partnering closely with non-technical business users via demos and example-based requirements.”

AgileApache HadoopApache KafkaApache SparkAWSAWS Lambda+110
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PG

Pandari G

Screened

Mid-level Machine Learning Engineer specializing in Generative AI and RAG systems

San Francisco, USA5y exp
SephoraSaint Mary's College of California

“GenAI/LLM engineer with production deployments in both fintech and retail: built an AI-powered mortgage document analysis/automated underwriting pipeline at Fannie Mae (OCR + custom LLM) cutting underwriting review from 3–4 hours to under an hour with privacy-by-design controls. Also helped build Sephora’s GenAI product advisory bot using LangChain-orchestrated RAG (Azure GPT-4, Azure AI Search, MySQL HeatWave vector search), focusing on grounding, evaluation, and compliance-aware architecture choices.”

PythonSQLRPySparkPowerShellGenerative AI+158
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KS

Kunal Siddhawar

Screened

Mid-level Robotics & Embedded Systems Engineer specializing in perception and autonomy

Pune, India3y exp
InfosysUniversity of Michigan

“University of Michigan MDP / Atombots lab robotics engineer leading perception and sensor integration for multi-agent quadruped wheel-legged robots. Implemented and optimized RTAB-Map SLAM on Jetson Nano using Unitree L2 LiDAR + Intel RealSense D435i, including custom ROS 2 synchronization and TF2 calibration work; now building Apriltag-based tracking for multiple micro-robots to support decentralized swarm behavior research.”

CC++PythonRHTMLCSS+78
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OL

Olivia Liau

Screened

Junior Data Scientist specializing in ML research, NLP, and healthcare analytics

Los Angeles, CA2y exp
Worcester Polytechnic InstituteUSC

“Completed an Amazon externship building a GPT-4 + RAG pipeline to summarize themes from hundreds of employee reviews for workforce analytics aimed at improving warehouse retention. Emphasizes production-readiness through labeled-data evaluation, source attribution for explainability, human-in-the-loop review, and rigorous data cleaning/observability to debug real-world LLM workflow issues.”

A/B TestingArtificial IntelligenceCI/CDCC++Clustering+74
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SK

Shram Kadia

Screened

Mid-level Software Engineer specializing in backend systems, cloud-native apps, and AI platforms

Santa Clara, CA4y exp
ServiceNowNorth Carolina State University

“Backend/full-stack engineer who has owned production systems end-to-end, including a Dockerized Node.js/TypeScript probabilistic fault-tree analysis service for nuclear safety research deployed on AWS. Also built and operated a FastAPI-based RAG pipeline over 200+ PDFs using FAISS, focusing on low-latency, idempotent workflows and strong observability; experienced with API design and Playwright E2E automation across React/Angular projects.”

PythonJavaTypeScriptSQLCC+++151
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JM

Janvitha Mandyam

Screened

Mid-level GenAI/ML Engineer specializing in LLM applications and RAG systems

Chicago, IL4y exp
Citibank

“GenAI/LLMOps practitioner who deployed a production RAG-based customer service and knowledge retrieval system for a global bank using LangChain, FAISS/Azure Cognitive Search, GPT-4/Claude, and Guardrails—driving a reported 35% Q&A accuracy lift while reducing handle time and escalations. Also partnered with non-technical leaders at CVS Health to deliver ML-driven supply chain risk and inventory insights via anomaly detection, NLG summaries, and stakeholder-friendly dashboards.”

A/B TestingAmazon EC2Amazon RedshiftAmazon S3Amazon SageMakerAngularJS+204
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KS

Kumar Shashi

Screened

Senior Program & Operations Manager specializing in AI, semiconductor NPI, and regulated manufacturing

Palo Alto, CA12y exp
Varian

“Operations and customer-facing leader with deep last-mile logistics expertise from running a critical extra-large Amazon logistics hub end-to-end (inventory accuracy, throughput, yard efficiency), including scalable process improvements adopted across Amazon XL sites. Strong cross-functional and partner management (DSPs/carriers, engineering ops) with rapid incident resolution and VOC-to-product translation (geofence/map fixes). Also demonstrates land-and-expand growth motion from Cisco, expanding a standardized software platform across multiple global sites.”

Program ManagementProject ManagementOperations ManagementInventory ManagementDocumentationRegulatory Compliance+229
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SD

sairam darapuneni

Senior GenAI/ML Engineer specializing in LLMs and multimodal generative AI

USA4y exp
Fidelity InvestmentsUniversity of Bridgeport
A/B TestingAgileAmazon API GatewayAmazon CloudWatchAmazon RedshiftAmazon S3+129
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SD

Saish Desai

Mid-level AI Software Engineer specializing in LLMs, RAG, and cloud data pipelines

6y exp
VerizonUniversity of Illinois Urbana-Champaign
PythonPyTorchTensorFlowScikit-learnPandasNumPy+112
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RR

Ram Reddy Naidi

Senior Data Scientist specializing in AI, ML, and LLM agents

Charlotte, NC6y exp
Wells FargoUniversity of North Texas
PythonTypeScriptJavaC#JavaScriptR+82
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ET

Edward Truong

Junior Software Engineer specializing in systems, databases, and security

Berkeley, CA3y exp
Lawrence Hall of ScienceUC Berkeley
PythonNumPyPandasJavaGoC+25
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JF

Jinghan Feng

Junior AI Engineer specializing in LLM systems, RAG pipelines, and cloud microservices

Chicago, IL2y exp
Digital EmissionsNorthwestern University
A/B TestingAmazon ECSAmazon S3Apache KafkaApache SparkAsana+87
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RC

Rahul Chowdary Kolla

Mid-Level Software Engineer specializing in microservices, cloud, and machine learning

Little Rock, AR3y exp
JPMorgan ChaseUniversity of Arkansas
PythonJavaJavaScriptC#C++SQL+86
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CP

Chaitanya Prasad Chilukuri

Mid-level AI/ML Engineer specializing in cloud MLOps and GenAI

Hardy Street, KS7y exp
McKinsey & CompanyUniversity of Central Missouri
A/B TestingAgileAmazon DynamoDBApache HadoopApache HiveApache Spark+104
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SG

srikar Gundubavi

Senior Data Scientist specializing in GenAI, fraud/credit risk, and cloud MLOps

Chicago, IL5y exp
Bankers LifeNorthern Illinois University
A/B TestingAgileAngularApache HadoopApache KafkaApache Spark+165
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SK

SAIRAM KOVA

Mid-level Machine Learning Engineer specializing in NLP, MLOps, and risk/fraud analytics

IL, USA5y exp
JPMorgan ChaseLewis University
SDLCAgileWaterfallPythonRC+++65
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