For one of our projects in the car rental industry, we are looking for a Junior Data Engineer with an interest in working with BigQuery.
In this role, you will support the development and maintenance of data pipelines within the Google Cloud ecosystem, working closely with an international team and gaining hands-on experience in modern data engineering practices.
Responsibilities:
- Build and maintain ETL/ELT pipelines that ingest data from various sources into BigQuery
- Develop and maintain dbt models
- Monitor pipeline health, troubleshoot failures, and implement alerting
- Collaborate with backend engineers to design data contracts and integrate new data sources
- Write and maintain data quality tests and validation checks
- Optimize BigQuery performance (partitioning, clustering, query tuning, cost control)
- Maintain documentation: data dictionaries, pipeline runbooks, model descriptions
- Participate in data modeling discussions and propose improvements to existing structures
- Support analysts and business stakeholders with data access and ad-hoc queries
Requirements:
- 1+ years of experience in a data engineering or analytics engineering role
- Strong SQL skills
- Hands-on experience with BigQuery or a comparable cloud data warehouse
- Experience with dbt (Core or Cloud) - building models, writing tests, using macros, incremental materializations
- Working knowledge of Python for data engineering tasks (scripting, API integrations, light transformations)
- Experience with at least one orchestration/scheduling tool (Airflow, Cloud Composer, Dagster, Prefect, or similar)
- Familiarity with data ingestion patterns - batch loading, CDC, API extraction
- Comfortable with Git workflows (branching, PRs, code review)
- Awareness of PII handling and basic GDPR compliance practices
- Fluent in Polish and English
Nice to have:
- Experience with Terraform or other IaC tools for managing GCP resources
- Background in the mobility, automotive, or car rental domain
We offer:
- Flexible working hours
- Paid holidays
- Benefit package including a sports card, private health insurance, and private healthcare.
- B2B contract
- 100% remote
- International team
Skills Required
- 1-3 years of experience in a data engineering or analytics engineering role
- Strong SQL skills
- Hands-on experience with BigQuery or comparable cloud data warehouse
- Experience with dbt (Core or Cloud)
- Working knowledge of Python for data engineering tasks
- Experience with at least one orchestration/scheduling tool
- Familiarity with data ingestion patterns
- Comfortable with Git workflows
- Awareness of PII handling and basic GDPR compliance practices
- Fluent in Polish and English
What We Do
Our mission is to develop winning IT and VOD/OTT solutions for various businesses to enable people around the world to experience great products or services in mobile reality At the core of our effectiveness lie formal, higher education and long years of experience that drive the passion for technological change. Such approach gives our clients the highest level of certainty in all aspects of cooperation. This is why we code seriously Our core competencies are: Kotlin Multiplatforms Android (including Android Wear, Android TV, OTT TV BOX ANDROID, Kotlin Native) iOS (including Apple Watch, Apple TV) Graphic Design (UX and UI designers onboard) PHP Laravel server-side and mobile backend HTML, CSS, React JS on frontend side Dashboard Management Systems Ongoing post-launch maintenance React Next.js Among our clients you may find amazing companies such as: Samsung VECTRA Wide Khaliji Credit Information System BIK SAS Institute Randstad Maczfit Polonus Państwowy Instytut Automatyki i Pomiarów Mediapeers Vanity Style DataLexing [startup]AioCare [startup]MoonyLab and others... Awards: 2014 – Grand Prize and $10 000 at intersections.devpost.com for Anti-Sleep Alarm Smartwach App 2014 – 1st place and $100 000 at Samsung Gear App Challenge More: https://gearapp.devpost.com/submissions 2013 – 1st place and $100 000 at Tizen App Challenge - Travel & Navigation Category More: https://developer.tizen.org/contests/tizen-app-challenge 2010 – 2nd place and $60 000 at the international Bada Developer Challenge - Productivity category 2015 – 3-rd place in Magnet mobile App Challenge at devpost.com More: https://magnet.devpost.c [the above competitions were a trigger for the start - this is how we won and smoothly shifted to new commercial projects] Visit us at www.proexe.co or contact through [email protected] to discuss the results you’d like to achieve. Website http://proexe.co +48 691 538 689
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