Senior/Principal Data Engineer
We are looking for a Senior/Principal Data Engineer to join our team and design a scalable, future‑proof data infrastructure.
CUSTOMER
Our customer is a rapidly scaling AI‑driven SaaS platform that helps finance and accounting teams automate critical workflows — from billing and collections to revenue recognition and reporting. Their technology eliminates manual work, accelerates cash flow, and ensures compliance for high‑growth businesses.
PROJECT
This greenfield project focuses on building a robust data platform that will power analytics, business intelligence, and AI‑driven features. You will design scalable data lakes or lakehouses, develop ingestion pipelines, and ensure data quality and observability. The platform will integrate with multiple internal and external systems, enabling self‑service analytics for both business and technical teams.
Responsibilities
Design and implement a scalable data warehouse or data lakehouse to support analytics, reporting, and business KPIs
Develop and maintain reliable batch and/or streaming data pipelines from internal databases and external systems
Collaborate with stakeholders to translate business requirements into efficient data models and schemas
Establish and maintain data modeling standards and best practices
Implement monitoring, data quality controls, and observability for all data workflows
Provide well‑structured datasets to enable self‑service analytics for BI and data teams
Document the data platform, including lineage, definitions, and contracts, to create a shared source of truth for metrics
Requirements
6+ years of experience in data engineering
Strong programming skills in Python
Proven track record of designing and delivering early‑stage data platforms from concept (v1) to production
Strong expertise with modern data tooling (e.g., Snowflake/BigQuery/Redshift, dbt, Airflow/Dagster/Prefect, Fivetran/Airbyte, etc.)
Solid understanding of data modeling, ETL/ELT, and pipeline optimization
Strong knowledge of data quality, testing, and monitoring best practices
Upper‑Intermediate English or higher
Ability to work 12:00-20:00 CET
WILL BE A PLUS
Experience with AI/ML data pipelines
Familiarity with finance/accounting datasets
Knowledge of compliance frameworks such as SOX or GDPR
Experience mentoring junior engineers
PERSONAL PROFILE
Proactive problem‑solver with a hands‑on approach
Adaptable to fast‑moving environments
Strong communication skills for cross‑team collaboration
Ability to take ownership and drive initiatives to completion

Sigma Software
Sigma Software is a global software development company founded in 2002. It enables enterprises, startups, and product houses to meet their technology needs through end-to-end delivery, providing top-quality software dev...Senior/Principal Data Engineer
Senior/Principal Data Engineer