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Quant Data Engineer (Crypto)

Posley Capital • 🌐 In Person

In Person Posted 6 days, 17 hours ago

Job Description

About the Role

We’re a focused team of \~30 building in-house quantitative research and trading infrastructure for the crypto and DeFi markets.

As a

Quant Data Engineer

, you will design and maintain high-reliability data systems that power our research, backtesting, and live trading pipelines. You will work closely with quantitative researchers, developers, and strategy leads to ensure data accuracy, scalability, and accessibility across multiple exchanges and protocols.

Key Responsibilities

Design and maintain

data pipelines

for high-frequency and historical crypto market data (spot, perpetuals, on-chain metrics, funding rates, etc.).

Build and optimize

rate-limit aware ingestion systems

(REST, WebSocket, on-chain indexers) ensuring stability and fault tolerance.

Architect scalable time-series data storage (TimescaleDB, ClickHouse, Parquet, or S3) with efficient schema design for quantitative analysis

Develop tools and APIs for researchers to access standardized, clean datasets.

Implement

data quality validation

, reconciliation, and lineage tracking to ensure accuracy.

Work with engineers to deploy and maintain scalable ETL pipelines (Airflow, AWS Lambda, etc.)

Collaborate with quants to optimize data query performance for backtesting and feature generation.

Monitor, troubleshoot, and continuously improve system reliability, latency, scalability, and cost efficiency.

Qualifications

Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or related fields.

2–7 years of experience in data engineering, quantitative infrastructure, or backend systems development

Experience with

streaming data ingestion

(Kafka, WebSocket, SQS, Redis Streams, etc.) and distributed processing.

Hands-on experience with

AWS

or equivalent cloud platform (Lambda, ECS, S3, etc.).

Experience with

AWS data stack

Redshift, Athena, Kinesis, and Firehose

— is a strong plus.

Understanding of

crypto market structures

(spot, perpetuals, funding rates, on-chain data) or willingness to learn quickly.

Knowledge of

CI/CD,

containerization (Docker, K8s), and version control (Git).

Strong sense of ownership, reliability, and attention to detail.

Nice-to-Have

Experience in

quantitative trading, DeFi data, or market-microstructure analysis

.

Familiarity with

Elasticsearch

,

DuckDB

, or

PySpark

for analytical workloads.

Exposure to

machine learning pipelines

for signal research.

Understanding of

Solana / Arbitrum / EVM

ecosystems or on-chain data indexing.

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