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Karina Saylema
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Barcelona, Catalonia, Spain
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Résumé
Jobs
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Senior Python EngineerSLBDec 2023 - Current (2 years 11 months)• Built and maintained Django-based backend services for production and well data management in oil fields.
• Automated ingestion of SQL and real-time sensor data from oilfield equipment using Python and AWS (Lambda, S3), reducing load times by 40%.
• Developed RESTful microservices and event-driven workflows with AWS SQS and ECS to improve data flow across production systems.
• Leveraged AWS Bedrock LLM APIs to automate KPI reporting and operational summaries for well performance.
• Used Cursor to accelerate development, refactoring, and documentation tasks, improving delivery speed.
• Containerized workloads with Docker and Kubernetes to ensure stable, repeatable deployments.
• Built GitLab CI pipelines with- Senior Software EngineerTiaAug 2021 - Dec 2023 (2 years 5 months)• Redesigned a retail BI application architecture using AWS services and microservices principles, improving application availability by 20%.
• Built and deployed services with Docker and Kubernetes across staging and production, standardizing delivery and reducing deployment risk.
• Implemented CI/CD pipelines with GitLab CI, reducing production errors by 18% and deployment time by 25%.
• Integrated Redis as a caching and message-broker layer for high-throughput ecommerce endpoints, improving performance under peak demand.
• Applied pytest-based testing (unit and integration) across Django services, improving reliability and maintainability of core retail systems. - Software EngineerTiaJul 2019 - Aug 2021 (2 years 2 months)• Developed and maintained RESTful APIs using Django REST Framework to power ecommerce and BI integrations for retail operations.
• Developed data extraction and processing workflows with Python and SQL (PostgreSQL), reducing information response time for business users.
• Modeled analytics-ready datasets in SQL to support reporting and decision-making across commercial and operations teams.
• Participated in automation and process improvements that reduced overall development time and improved team efficiency. - Software Engineering InternTiaJan 2019 - Jul 2019 (7 months)• Supported process automation initiatives that helped reduce overtime hours for store and back-office teams.
• Collaborated with business stakeholders to document requirements and streamline workflows, shortening development cycles.
• Assisted in designing processes for new retail business models that contributed to profit growth.
Education
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- GTraining for the development and management of professional profilesGIZ-EcuadorJun 2023
- GPreparation of IT ProfessionalsGIZ-EcuadorJun 2023
- CApplication Development using Microservices and ServerlessCoursera-IBMFeb 2023
- CDjango Application Development with SQL and DatabasesCoursera-IBMFeb 2023
- CDeveloping Cloud Native ApplicationsCoursera-IBMJun 2022
- Computer Science EngineerEscuela Superior Politécnica del LitoralJan 2015 - Jan 2021 (6 years 1 month)
Projects (professional or personal)
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- GStore Credit Demand Analytics and Financial InsightsGIZ, ESPOL, CITECAug 2023• 2nd Place Winner- Created an application designed to predict store credit demand and offer valuable financial insights, ultimately leading to increased sales for businesses.