Senior Data Engineer

Senior Data Engineer
About the companyOur client is an early-stage technology company building an AI-powered intelligence platform for the alternative investment industry, initially focused on hedge funds. The platform connects information about investment professionals and firms to support hiring and investment decisions.
The opportunityWorking directly with the founder and a small engineering team, you will help develop the AWS-based data platform.A central challenge is entity resolution: identifying when records from different sources refer to the same person or company, even when names, identifiers or other details are inconsistent. You will build the pipelines and matching processes that turn fragmented information into accurate, traceable datasets.
ResponsibilitiesBuild and maintain data ingestion and transformation pipelines on AWS.Develop entity resolution processes for person and company records.Implement medallion architecture across bronze, silver and gold data layers.Improve data quality, resolve conflicting information and preserve source lineage.Contribute to architecture decisions and take ownership of production delivery.Use AI tools effectively, with appropriate review and validation.
RequirementsStrong hands-on data engineering and production coding experience.Direct experience building and operating data solutions on AWS.Practical experience with entity resolution, record linkage or identity matching.Experience implementing medallion architecture and integrating multiple data sources.Ability to work independently and adapt within a small, evolving team.Strong English communication skills.
Experience with CRM data, applicant tracking systems or master data management would be valuable. Previous financial services experience is welcome but not required.
Location: Lisbon preferred; candidates in Colombia, Argentina and other locations consideredEmployment type: Initial contract, with potential for permanent employment