Ajay Mahadeven
Economic Data Sciences

Economic Data Sciences

Software Engineer

PeriodMay 2024 – Present
LocationLondon Area, United Kingdom
TypeFull-time · On-site

Full-stack SE across 6 domains — Frontend, Backend, DevOps, Data Engineering, Technical Leadership & the Nectar360 serverless API platform.

Frontend Engineering

  • Rebuilt infoBase with Next.js, implementing login, forgot password, and switchboard pages for ONE project.
  • Designed and developed the sidebar and chat interface for EDS_GEN including sign-in, sign-up, and 404 pages.
  • Integrated Tailwind + Daisy UI on base_dj, improving UI consistency across applications.
  • Created responsive dashboards for clients including Iceland, with dynamic filtering and enhanced reporting.

Backend Engineering

  • Implemented CSV data parsing and Azure link generation supporting critical business operations.
  • Developed API endpoints for digital taxonomy, event inventory, company contacts, and transaction data.
  • Created the BASE3 Lost File API for file metadata retrieval and downloads.
  • Integrated with AWS Bedrock for the EDS_GEN project and built email functionality across platforms.

DevOps & Infrastructure

  • Optimised Webpack configuration by splitting into separate development and production builds.
  • Set up and configured UAT environments for Iceland, Heineken, and demo instances.
  • Established a standby disaster recovery environment on edsuk2 independently in 5 hours.
  • Migrated databases and launched UAT & MIG instances ensuring smooth environment transitions.

Data Engineering

  • Snowflake → PostgreSQL migration for Heineken, Carlsberg, and Alken Maes — migrated 13 schemas and 122 views, replacing Amazon QuickSight with an in-house reporting engine.
  • Built data pipelines for Citrus File Upload and implemented n360 file management processes.
  • Developed the Axiom Data File Loader with cron-based uploads to S3, streamlining data ingestion.
  • Implemented anomaly detection for Citrus data and exception reporting for identifying data issues.

Technical Leadership

  • Conducted code reviews on team branches to ensure quality and prepare for demos.
  • Created comprehensive documentation for critical processes to eliminate single-person dependencies.
  • Served as technical liaison during BASE CTO absence, coordinating with Heineken counterparts.
  • Led BASE 3 migration planning and execution with training sessions for platform setup.

Nectar360 API Platform

  • Architected a scalable serverless API platform on Azure Functions and Docker with CI/CD automation.
  • Built a real-time dashboard for endpoint analytics, log tracing, performance monitoring, and token management.
  • 420,000+ API calls with 99.4% reliability and 65ms average response time.
  • Implemented usage tracking, billing systems, and integrated Swagger documentation for API transparency.