whoami
Pooja Mahapatra
Software engineer (ML). 10+ years at Expedia and Zalando building ML pipelines, feature-serving endpoints and reranking services for search ranking and fraud detection at scale. Now building LLM-powered products end to end.
cat status.yaml
- role:
- software engineer, machine learning
- experience:
- 10+ years
- location:
- London, UK
- open_to:
- ML / AI engineering roles
- resume:
- resume_uk.pdf
git log --career
-
2026 (HEAD -> main)
Freelancer - building LLM-powered products
- ship consumer products with AI-assisted development and structured LLM evals
-
2022-2025
Expedia Group - Software Engineer (ML), Search Ranking
- Spark ML pipelines on Databricks to train and score ranking models, with feature engineering from raw event data
- second-pass reranking in the service layer, feature-serving endpoints, YAML-driven signal selection
- pipeline runtime 15h → 2h by parallelising jobs with Databricks Workflows
- A/B experiments on model impact; Travel Ads in the ranking backend with real-time placement
- data services ingesting millions of events/day; tuned the SQL behind ranking datasets
-
2020-2022
Zalando - Software Engineer (ML), Fraud & Risk
- feature pipelines turning raw fraud signals into features for real-time risk scoring
- ML-based post-processing to flag fraudulent invoices
- scaled APIs handling 250M+ orders and payments with low-latency fraud checks
- GDPR compliance across the risk platform
-
2015-2020
Earlier - Software Engineer
- Hotels.com: personalised pricing APIs, Grafana monitoring pipelines
- Profectus Solutions: 0→1 pricing intelligence platform, led 8 engineers
- Infosys: REST APIs with Kafka event streaming for Apple Concierge Analytics
ls -l ~/projects
-
drwxr-xr-x
citybites/
Restaurant recommendations, built from a Google Maps Takeout CSV of 106 personal picks into an animated, searchable site. 80 visitors in the first 24h.
# built with Claude Code -
drwxr-xr-x
withspaces/
An app for working in flow state. Designed and shipped the waitlist.
# built with Claude Code
cat requirements.txt
- python
- java
- kotlin
- sql
- spark
- databricks
- kafka
- kubernetes
- aws
- llm-evals
ping pooja