Xcelirate
Data Engineer, Fraud
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Who Are We?
Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible.
Who are we looking for?
The Data Engineer will focus on designing, developing, and maintaining robust data infrastructure to support use cases such as fraud detection but also general data engineering. The position emphasizes building scalable, high-performing data pipelines and storage systems for fraud use cases. Although this role involves light integration with machine learning models, its primary responsibility is creating the technical foundation that powers such use cases of fraud detection, analytics and reporting.
What will you be doing?
- Develop and Maintain Pipelines: build and maintain efficient, scalable data pipelines for use cases such as fraud detection
- Support Fraud Analytics: enable analysts and product teams to identify and address emerging fraud patterns through engineered datasets
- Integrate Detection Models: collaborate with teams to operationalise external fraud detection models and integrate them into the data infrastructure
- Data Storage Optimisation: design and optimise data storage solutions for analysing fraud signals and managing historical data
- Feature Engineering: create fraud-specific datasets and features to enhance detection accuracy while supporting business and analytics teams
- Pipeline Monitoring and Optimisation: monitor fraud data pipelines to ensure system reliability and troubleshoot performance issues
- Best Practices Documentation: establish and document best practices for fraud-related data engineering
- Cross-Team Collaboration: partner with data, product, and engineering teams to proactively address fraud trends
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What will you bring along?
- 3+ years of experience as a data engineer with some expertise in fraud detection systems or similar
- Proficiency in Python and SQL, with knowledge of orchestration and transformation tools (e.g., Apache Airflow, DBT)
- Strong knowledge of database design, query optimisation, and ETL/ELT workflows, ideally including relational databases such as MySQL and columnar databases such as ClickHouse
- Experience building and maintaining production data pipelines
- Familiarity with leveraging machine learning models, primarily as a component of the broader data pipeline, including model registries such as MLflow
- Understanding of CI/CD processes for data pipelines
- Hands-on experience with data visualization platforms for trend reporting (e.g., Tableau, Superset, Metabase)
- Ability to support with model serving components, such as Flask or FastAPI
- Familiarity with statistical techniques for fraud trend analysis and reporting
- Experience with Git and version control in collaborative workflows
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We are always looking for the best candidates, so if you think you would be a good fit even if you don't meet 100% of the requirements, we would love to hear from you!
How We Support Our Contractors:
- An annualised rate of €98,000 + retention bonus scheme: Competitive contractor rate with a generous bonus paid every 6 months based on your time with us.
- Top-Notch Workstation: We provide the latest MacBook, branded merchandise, and everything you need for an optimal work environment.
- Global Co-Working Access: Work from a global network of co-working spaces to keep your work-life dynamic and flexible.
- Flexibility: Enjoy full flexibility in work location and hours, supporting a work-life balance tailored to your needs.
- Events and Gatherings: Participate in exciting events throughout the year, including team gatherings, cultural events, and other fun activities.
At Xcelirate, we’re committed to equal employment opportunities regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We pride ourselves in being an equal opportunity workplace.
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