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Data Systems Scala Developers in Spain

Engineered large-scale data processing workflows with Apache Spark, optimizing ETL operations. Developed data warehousing solutions using Hive for efficient querying and reporting. Managed Hadoop clusters, ensuring high availability and fault tolerance.

• Implemented real-time analytics using Spark Streaming
• Enhanced SQL query performance with custom indexing
• Automated data pipeline monitoring and alerts

Led the development of secure NFC payment systems using NXP DESFire and GlobalPlatform standards. Spearheaded the integration of NFC technology into large-scale public transportation systems, ensuring reliability and scalability. Architected complex systems for secure digital identity management, leveraging advanced cryptographic protocols.

• Optimized NXP LoaderService for high-throughput environments
• Implemented Agile methodologies to enhance engineering team productivity
• Pioneered NFC-based access control systems for smart cities

Designed and implemented distributed data processing systems using the Apache Spark framework, optimizing performance for large-scale data transformations. Developed real-time event-driven applications leveraging the Pekko/Akka ecosystem to enhance responsiveness and scalability in high-throughput environments.

• Built ETL pipelines for financial data analysis
• Integrated Scala with legacy Java systems for seamless interoperability
• Optimized SQL queries for improved database performance
• Implemented functional programming principles to reduce system complexity

Designed microservices-based architectures using Scala and Akka. Extensive experience in building scalable backend solutions with Spring Boot.

• Designed microservices-based architectures
• Experienced with Spring Boot
• Built scalable backend solutions

Pioneered distributed systems architecture, focusing on Kubernetes orchestration and Rust for high-performance computing. Led initiatives in developing and scaling cloud-native applications with extensive use of Scala and Python.

• Developed custom Kubernetes operators
• Optimized JVM performance for large-scale applications
• Engineered real-time analytics platforms using JavaScript

Led the development of a scalable microservices architecture in Java and Spring for e-commerce platforms. Architected NoSQL database solutions to support high-volume transactional systems.

• Developed scalable microservices architecture
• Architected NoSQL database solutions
• Supported high-volume transactional systems

Designed and implemented a large-scale event-driven architecture for IoT data ingestion using Scala and Akka. Specialized in building concurrency models with Rust to support multi-threaded processing in high-load environments. Spearheaded the development of a real-time monitoring system for SQL databases, enhancing query performance by 30%.

• Developed a distributed logging system using Actix and Rust.
• Integrated TypeScript-based UI with backend services for seamless data flow.
• Led migration of legacy systems to cloud infrastructure, improving resilience.