Antonio S.
Senior Data Engineer
Proficient in Snowflake, SQL, Python, Postgres, dbt, and AWS (S3, Glue, Lambda), he has built multi-terabyte ingestion pipelines, developed Change Data Capture (CDC) frameworks using Streams and Tasks, and optimized data architectures to empower analytics teams.
His experience spans data modeling, real-time data ingestion, and query optimization through clustering and partitioning techniques. Known for combining hands-on pipeline development with strategic platform optimization, Antonio helps organizations achieve reliable, efficient, and cost-effective data operations.
Clients value his technical depth, attention to performance, and ability to translate complex data challenges into sustainable, business-driven solutions.
Main expertise
Python6 years
Google Cloud6 years
Azure4 yearsExperience3
Data Engineer
- Dockerized and modernized development environments, reducing setup time from hours to minutes.
- Designed and implemented reproducible ETL pipelines to seamlessly transfer data between staging and production-like environments.
- Automated data ingestion and transformation workflows, eliminating reliance on manual and error-prone test files.
- Improved system maintainability and reliability by introducing containerized services.
- Collaborated with cross-functional teams to establish best practices in data handling and pipeline management.
- Contributed to the leading digital care management platform used across the UK health and social care sector.
Docker
PostgreSQL
Ruby
AWS
ElasticSearchSoftware Engineer
- Re-engineered a legacy ERP system using FastAPI, improving scalability and reducing response times.
- Implemented Elasticsearch for advanced full-text search across millions of records, enhancing data retrieval efficiency.
- Developed asynchronous data pipelines with RabbitMQ, increasing throughput and enabling resilient, decoupled services.
- Designed and maintained REST APIs for external partners and B2B integrations.
- Optimized PostgreSQL database schemas and queries, reducing latency and improving overall system performance.
MySQLDockerPostgreSQLAWSElasticSearchSoftware \ Data Engineer
- Designed and implemented ETL pipelines for the Austrian Institute of Economy’s national data warehouse.
- Built ERP and CRM systems with a focus on clean, modular data architecture and maintainability.
- Developed tools for financial and tax return calculations across large, cross-border datasets.
- Delivered data-driven solutions for banking and e-commerce clients, including dashboards and analytics tools.
- Ensured data quality, integrity, and compliance across multiple industry domains.
PHPMySQLDockerPostgreSQLRubyAssessments
Engineering excellence
Antonio’s overall performance in a 90-minute live technical assessment ranks in the bottom 50% of vetted Senior Data Engineers at Proxify.
Education
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