Evan
From United States (UTC-5)
Evan – Dagster, Snowflake, FastAPI
Evan is a Middle-to-Senior Data Engineer with strong end-to-end ownership of data platforms, specializing in Python, Snowflake, dbt, Dagster, and FastAPI. He has built and maintained production lakehouse architectures, delivered analytics APIs, and integrated AI agent workflows. Evan demonstrates clear communication, autonomy, and a product-focused mindset, with experience in crypto, DeFi, and marketplace domains.
5 years of commercial experience
Main technologies
Additional skills
Direct hire
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Let’s get started today!Experience Highlights
Data Engineer (Contract)
Own the production data platform behind marketplace APIs end to end: multi-source Python ingestion into an Apache Iceberg/S3 lakehouse orchestrated by Dagster, incremental dbt transformations, real-time event streaming on Redpanda (Kafka), and a Postgres + FastAPI serving layer.
- Owned and operationalized the production data path behind marketplace APIs, normalizing multi-source Python ingestion into an Apache Iceberg/S3 lakehouse with Dagster orchestration.
- Designed and implemented real-time event streaming on Redpanda (Kafka-compatible), moving the platform from batch-only to streaming ingestion.
- Led the migration of API serving from Iceberg/Parquet files to Postgres for low-latency reads, keeping Iceberg as the analytical source of truth.
- Rebuilt the transformation layer with incremental dbt models, enforcing canonical grains, column-level lineage, schema guards and parity tests.
- Built statistical data-quality controls for pricing data using bimodal-distribution detection.
- Built a production AI-assisted analytics interface (Cursor Agent SDK) with guarded SQL execution and live-source fetchers.
Data Scientist
Owned the Sui DeFi data platform end to end as the primary data partner to the Heads of Partnerships, DeFi and Treasury.
- Designed and shipped the Sui DeFi data platform from zero: reverse-engineered on-chain schemas into dbt models orchestrated by Dagster on Snowflake, powering the KPIs for a $75M ecosystem incentives program.
- Set the metric definitions (retention, growth, stablecoin adoption) that leadership used to steer incentive spend.
- Architected governed LLM access to Snowflake via an MCP layer with SQL allowlists, row caps and caching, making production data safely queryable by AI agents.
- Extended external coverage by integrating financial APIs into the warehouse through Dagster.
- Took initiative upstream: shipped four Rust PRs to the DeepBook v3 indexer (event handlers, Postgres migrations, a portfolio read API) to fix data at the source.
Applied Researcher
Sole builder of the protocol's analytics platform, from warehouse design through published research.
- Designed and built the analytics platform from scratch: Python ETL ingesting consensus, mempool and protocol event data into a self-managed Postgres/TimescaleDB warehouse, served via PostgREST and materialized views.
- Turned transaction-level data into research on inclusion latency, censorship incentives and rollup reliability; the series won an Ethereum Foundation grant.
- Developed an execution-quality measurement methodology, published in Frontier.
Customer Data Analytics
Customer Data Analytics at Dune Analytics (Fall 2021) — partnered with engineering on the technical roadmap from customer feature requests and feedback.
Partnered with engineering on the technical roadmap from customer feature requests and feedback.