NEW
Proxify is bringing transparency to tech team performance based on research conducted at Stanford. An industry first, built for engineering leaders.
Learn more
Oscar C.
Data Engineer
Oscar on pitkälle erikoistunut vanhempi data-insinööri, jolla on 13 vuoden kaupallinen kokemus. Hän on työskennellyt erilaisilla toimialoilla, kuten AdTech-, FinTech-, HealthTech- ja Enterprise Software -aloilla, ja osoittanut osaamisensa eri aloilla.
Oscar on saanut arvokasta kokemusta työskentelystä sekä Yhdysvalloissa että Alankomaissa. Hänen teknisiin taitoihinsa kuuluu Golangin, Pythonin, BigQueryn, Apache Spark on Databricksin (AWS) ja Scalan hyödyntäminen vankkojen ohjelmistojärjestelmien luomiseksi.
Yksi Oscarin ylpeimmistä saavutuksista oli patentoidun idean kehittäminen USPTO:n kanssa, jonka hän toi menestyksekkäästi markkinoille. Tämä hanke on osoitus hänen innovatiivisuudestaan ja kyvystään kuroa umpeen konseptin ja kaupallistamisen välinen kuilu.
Teknisen asiantuntemuksensa lisäksi Oscar on koko uransa ajan osoittanut poikkeuksellisia tiiminjohtamistaitoja, mikä korostaa entisestään hänen kykyään tuottaa korkealaatuisia tuloksia monimutkaisissa projekteissa.
Tärkein asiantuntemus
- Apache Spark 10 vuotta
- AWS 10 vuotta
- BigQuery 5 vuotta
Muut taidot
- MySQL 13 vuotta
- PostgreSQL 13 vuotta

- ETL 11 vuotta

Valittu kokemus
Työllisyys
Senior MLOps Engineer
Sago Mini - 2 months
- Promoting Machine Learning models to Production on GCP
Tekniikat:
- Tekniikat:
Python
Vertex AI
Tech Lead / MLOps & Optimization Platform
Occidental Petroleum (Oxy) - 4 months
Summary: Led design and delivery of Oxy’s Optimization Pillar MLOps platform in AWS ● Designed and implemented MLOps platform integrating AWS (S3, ECS/Fargate, SageMaker, Lambda) with Oxy’s ODAP Lakehouse ● Packaged and deployed Python optimization models (Gurobi/Pyomo) with CI/CD pipelines in Azure DevOps + MLflow ● Built PySpark ingestion pipelines from Kabal APIs, SQL Server, and PI systems into ODAP, ensuring governance and schema validation ● Collaborated with data scientists and IT to enable predictive maintenance and vessel scheduling optimization use cases ● Mentored engineers and defined role skill matrices across MLOps, DevOps, Backend, and QA
Tekniikat:
- Tekniikat:
AWS
Python
Machine Learning
Senior Backend Developer
Reddit - 5 months
Summary: Backend development in Golang and Python ● Developed new integrations with Notification Platform to send emails to 300k+ users ● Implemented concurrency in email send increasing performance by 98% ● Implemented Spam filters in email send increasing performance further by 46% ● Developed client support for Business Experiences team to tap into Notification Platform, making progress towards goal of deprecating integrations with legacy Mailroom messaging. ● Code reviews and various team activities
Tekniikat:
- Tekniikat:
Golang
Apache Kafka
Senior Data Engineer
Curinos - 8 months
-
Led data product development on the Databricks Lakehouse platform, ensuring efficient data handling and analysis;
-
Migrated data from MySQL and PostgreSQL databases using AWS Database Migration Service (DMS) to streamline data management;
-
Developed Data Pipelines using Delta Live Tables (DLT) for real-time and batch processing of data;
-
Created a Code Generation tool to automatically generate Scala code for Databricks, enhancing development speed and accuracy;
-
Proficient in Databricks, Scala, and Python, with a strong focus on scalable data engineering solutions.
Tekniikat:
- Tekniikat:
MySQL
PostgreSQL
AWS
Databricks
Python
Scala
- Data Engineering
-
Senior Data Engineer
Clevertech - 2 years 11 months
- Developed a Reporting API for analyzing large-scale advertising campaigns (Golang, BigQuery)
- Created an Advanced Query Tool in Golang for complex SQL queries, reducing processing time by 50%
- Implemented Data Modeling for forecasting TV Ads performance to extrapolate impressions, increasing revenue by 20%
- Debugged and improved complex queries in BigQuery, reducing overall query complexity
- Enhanced collaboration with the Data Science team by serving as an interface with the Backend team
Tekniikat:
- Tekniikat:
Golang
SQL
- Data Engineering
BigQuery
Co-Founder and CTO
Sciencesheet - 1 year 8 months
- Developed Codegen for ML pipelines (Spark, Scala, Python), accelerating data science processes by 10x
- Invented and patented Codegen technology for processing millions of spreadsheet rows in Spark using Excel formulas
- Launched a startup from idea to market within one year
- Increased market reach by developing plugins for Google Sheets and Microsoft Excel
- Successfully developed the AWS Backend using Sagemaker Autopilot, Lambda, EC2, SNS, and SES
Tekniikat:
- Tekniikat:
AWS
Python
AWS Lambda
Scala
AWS EC2
Hadoop
Microsoft Excel
Data Scientist / Engineering Manager
PayPal (Xoom) - 3 years 9 months
- Tech Lead for Data Science and Engineering team (Spark, Scala, Python)
- Managed a team of five data scientists and data engineers
- Developed a Locations indexer, doubling the speed of finding bank branches in India
- Increased market coverage for the Sendmoney product by supporting FP&A analyses in Spark instead of Excel
- Enhanced the effective reach of push notifications by 20% through segmentation analyses in Spark
Tekniikat:
- Tekniikat:
Apache Spark
Python
Scala
- Data Engineering
- Team Leading
Microsoft Excel
Cloud Engineer
Mendix - 3 years 5 months
-
Developed the Mendix Cloud platform using a Mendix code generation tool, streamlining the development process;
-
Architected robust security protocols for the Mendix Enterprise Cloud Platform, ensuring data protection and compliance;
-
Automated parallel firewall installation and configuration across thousands of cloud nodes, enhancing security and operational efficiency;
-
Reverse-engineered Mendix code generation to reproduce applications using the open-source WebDSL language, expanding platform versatility and open-source integration.
Tekniikat:
- Tekniikat:
AWS
Python
- Data Engineering
-
Summer Intern
Google - 3 months
-
Conducted data mining on a Git repository containing 70 Apache projects, extracting valuable insights for analysis;
-
Presented the project findings at ApacheCon US in Atlanta, showcasing expertise and contributing to the open-source community.
Tekniikat:
- Tekniikat:
Apache Spark
- Data Engineering
Git
-
Koulutus
MSc.Computer Science
Delft University of Technology · 2009 - 2011
MSc.Management and Technology
Delft University of Technology · 2007 - 2009
MSc.Management and Technology
Delft University of Technology · 2007 - 2009
BSc.Computer Science
Universidad Francisco Marroquín · 1997 - 2002
Löydä seuraava kehittäjäsi päivien, ei kuukausien sisällä
Kun otat yhteyttä, järjestämme lyhyen 25 minuuttia kestävän tapaamisen, jonka aikana:
- Kartoitamme yrityksenne kehitystarvetta
- Kertoa prosessimme, jolla löydämme teille pätevän, ennakkotarkastetun kehittäjän verkostostamme
- Käymme läpi askeleet, joilla oikea ehdokas pääsee aloittamaan – useimmiten viikon sisällä
