Praveen Radhakrishnan

Code review and evaluation of AI coding agents for LLM training

• Reviews peer evaluations and rates their quality.
• Reads full agent transcripts across task understanding, planning, tool calls, file changes, tests and final diffs, flagging recurring failure patterns.
• Writes detailed rationales for each judgement, used as RLHF preference data.
• Applies shared rubrics and reviewer guidelines consistently across codebases and task types.

AI platforms for government child welfare agencies

• Designed and delivered a case note summarisation system using Azure OpenAI, Azure Functions, Cosmos DB and Azure AI Search.
• Set up evaluation datasets and metrics for faithfulness, answer relevancy and contextual precision.
• Built multimodal text, audio and image input backed by Azure Blob Storage, with monitoring for latency, token usage and content filter hits.
• Designed a real-time call transcription pipeline using Azure Communication Services, SignalR and Event Grid, with vector embeddings for RAG and Neo4j network analysis.
• Worked through government security reviews, legacy data constraints and compliance requirements.

Australia's largest superannuation administration platform

• Tuned critical SQL Server stored procedures to shorten the batch window.
• Built a data quality framework to catch anomalies before production and automated monthly transaction reconciliation.
• Built Power BI pipelines for APRA reporting, moved key loads to incremental patterns and delivered database security remediation.

One of Australia's largest energy retailers

• Migrated an on premises Oracle warehouse to AWS Redshift.
• Built a Databricks Delta Lake using Bronze, Silver and Gold medallion architecture.
• Replaced Oracle Data Integrator jobs with Python ETL and tuned Spark workloads with adaptive query execution.
• Added S3 lifecycle policies and data quality monitoring with Great Expectations.

Big Four Australian bank

• Designed end-to-end real-time reporting for call centre metrics and built an AWS data lake on S3, Glue and Athena.
• Built JSON flattening logic, query optimisations and dimensional models for executive KPI dashboards.
• Implemented change data capture for near-real-time warehouse updates and Open Banking data governance practices.

• Built an enterprise operational data store, led a Denodo data virtualisation rollout, delivered master data management and real-time CDC with Informatica PowerExchange.
• Migrated AS/400 data to SQL Server, led SAP data migration across retail stores and built real-time point-of-sale ETL.
• Built Informatica, Oracle and SQL Server warehouse solutions and managed onsite and offshore data engineering teams.