Senior Data Engineer (Python)

Proxify AB; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

On-time monthly payments

Flexible withdrawal options

Flex days

Job summary

Proxify AB is seeking a Senior Data Engineer to architect and scale data foundations for a high-growth client product. The ideal candidate is a Python expert who treats data infrastructure as software, implementing CI/CD, unit testing, and observability across the modern data stack.

Responsibilities include building scalable ELT/ETL pipelines, testing, and cost optimization, collaborating with Data Scientists and Product Managers to translate business needs into robust data models.

Qualifications

• 5+ years building complex data processing using Python (Pandas/PySpark/Dask).
• Advanced SQL for transformations and optimization in cloud warehouses.
• Proficient with dbt for ELT, including docs and tests.
• Experience with Airflow/Prefect/Ddagster for dependencies.
• Hands-on with Snowflake/BigQuery/AWS Redshift and data modeling.
• Git, Docker, and CI/CD for data pipelines.

Responsibilities

• Build and maintain scalable ELT/ETL pipelines as a single source of truth.
• Implement automated tests and monitoring for data integrity.
• Optimize warehouse storage and compute costs; reduce latency.
• Collaborate with Data Scientists and Product Managers on data models.
• Promote DataOps culture via code reviews and best practices.

Skills

Python

SQL

dbt

Airflow

Cloud Data Warehouses

Dimensional Modeling

Git/Docker/CI‑CD

Tools

Terraform

Job description

Headquarters: Sweden URL: http://career.proxify.io The Role: We are looking for a Senior Data Engineer to architect and scale the data foundations for one of our high‑growth client products.

The ideal candidate is a Python expert who treats data infrastructure as software, implementing CI/CD, unit testing, and observability into every layer of the modern data stack.

You are a perfect candidate if you are growth‑oriented, you love what you do, and you enjoy working on new ideas to develop exciting products.

What we’re looking for:

• 5+ years of experience building complex data processing applications using Python (Pandas, PySpark, or Dask).
• Advanced SQL skills for complex transformations, window functions, and query optimization in cloud warehouses.
• Deep experience with dbt (data build tool) for managing the T in ELT, including documentation and testing.
• Proven experience with Apache Airflow, Prefect, or Dagster for managing complex dependency graphs.
• Hands‑on experience with Snowflake, BigQuery, or AWS Redshift.
• Strong understanding of Dimensional Modeling (Star/Snowflake schema) and Data Vault 2.0.
• Experience with Git, Docker, and implementing CI/CD for data pipelines.

Nice‑to‑Have:

• Experience building Real‑time Pipelines using Kafka or Flink.
• Familiarity with Data Contracts and Data Quality frameworks (Great Expectations, Monte Carlo).
• Knowledge of Vector Databases (Pinecone, Milvus) for AI/LLM applications.
• Infrastructure as Code (Terraform) experience.

Responsibilities:

• Build and maintain scalable, automated ELT/ETL pipelines that provide a 'single source of truth' for the organization.
• Implement rigorous automated testing and monitoring to ensure data integrity and reliability.
• Optimize warehouse storage and compute costs while reducing pipeline latency.
• Partner with Data Scientists and Product Managers to translate business requirements into technical data models.
• Promote a 'DataOps' culture within the team, conducting code reviews and sharing best practices.

What we offer:

• Get paid, not played
• No more unreliable clients.
• Enjoy on‑time monthly payments with flexible withdrawal options.
• Predictable project hours
• Enjoy a harmonious work‑life balance with consistent 8‑hour working days with clients.
• Flex days, so you can recharge
• Enjoy up to 24 flex days off per year without losing pay, for full‑time positions found through Proxify.
• Career‑accelerating positions at cutting‑edge companies
• Discover exclusive long‑term remote positions at the world's most exciting companies.
• Hand‑picked opportunities just for you
• Skip the typical recruitment roadblocks and biases with personally matched positions.
• One seamless process, multiple opportunities
• A one‑time contracting process for endless opportunities, with no extra assessments.
• Compensation
• Enjoy the same pay, every month with positions landed through Proxify.