Sr Data Engineer

Company : Tech Aalto

Job Description - Sr Data Engineer

Sr Data Engineer

Responsibilities

• Building and maintaining dbt transformation models across multiple pipeline layers — from raw ingestion through to governed, consumer-ready datasets

• Writing Snowflake SQL for complex transformations: type casting, deduplication, incremental load logic, surrogate key generation

• Developing and debugging Apache Airflow DAGs on AWS ECS

• Contributing to AWS Lambda-based ingestion( Python) — file validation, control file generation, S3 event handling

• Maintaining source-to-target mapping documentation and aligning models to business requirements and data specs

• Supporting onboarding of downstream consumers via data sharing mechanisms and event-driven notifications

• Participating in code reviews, writing YAML-based data quality tests, and owning tickets from design through to production

Tech stack required

• Strong SQL

• Proficiency with dbt Core

• Apache Iceberg Table format (Nice to have)

• Apache Airflow

• AWS - Working Knowledge of S3, Lambda, MWAA, ECS, Glue Catalogs, Lake Formation, Lambda, SQS, EventBridge

• Experience with fixed-format or structured financial data files

• CICD with Github Actions.

When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the Tech Aalto Privacy Policy, a copy of which is published at Tech Aalto’s website (https://www.techaalto.com/privacy/)

Confidentiality is assured, and only shortlisted candidates will be notified for interviews.

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Sr Data Engineer

Job Description - Sr Data Engineer

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