Data Engineer: High-Performance ETL & FastAPI APIs

Holafly; Dublin; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

25 Days PTO

Pension contribution 5%

Health coverage €3000

Self development budget $500

Job summary

Holafly is hiring a Data Engineer to build and scale high-performance data pipelines that turn raw connectivity data into actionable insights for international growth.

You will develop APIs with FastAPI, lead DBT transformations, and optimize data models in a cloud data warehouse (GCP/BigQuery) to empower product and leadership with real-time analytics.

Ideal candidates combine backend data engineering expertise with a passion for reliable data solutions, security, and scalable architectures.

Qualifications

• Proven track record in data engineering in high-growth environments.
• Advanced Python proficiency with API development using FastAPI.
• Deep DBT expertise for scalable transformation layers; strong SQL and data modelling.

Responsibilities

• Build and scale ETL/ELT pipelines for diverse data sources.
• Develop high-performance APIs using FastAPI to expose data insights.
• Lead data transformations with DBT for modular warehouse.
• Optimize data structures and schemas for fast analytical queries.
• Automate data validation and cleansing for data integrity.
• Drive technical innovation for data processing reliability.

Skills

Python

FastAPI

DBT

SQL

Data modelling

Tools

FastAPI

DBT

BigQuery

GCP

Job description

Holafly is hiring a Data Engineer to build and scale high-performance data pipelines that turn raw connectivity data into actionable insights for international growth.

You will develop APIs with FastAPI, lead DBT transformations, and optimize data models in a cloud data warehouse (GCP/BigQuery) to empower product and leadership with real-time analytics.

Ideal candidates combine backend data engineering expertise with a passion for reliable data solutions, security, and scalable architectures.