Hire Contract
Scala Developers in Germany

Builds integration-heavy systems for financial services and public transportation, connecting heterogeneous platforms through REST, JMS, HTTP, and enterprise messaging interfaces. Works across JVM and native ecosystems, including Akka-based services, Apache Spark processing, relational databases, and containerized cloud deployments.

• FIX, FAST, BPIPE, and T7 market-data integrations
• AWS RDS, EC2, and Athena infrastructure
• Docker, Jenkins, Groovy, and Ansible delivery pipelines
• Native development with C, C++, and Rust

Architected distributed systems for real-time financial data processing, achieving sub-millisecond latency. Designed scalable microservices architecture for cloud-native applications, integrating Rust and Scala for high-performance computing. Spearheaded development of a domain-specific language for automated financial reporting, leveraging F# for functional programming paradigms.

• Implemented event-driven architecture for IoT data ingestion.
• Optimized .NET Core applications for cloud environments.
• Developed consensus algorithms for blockchain-based systems.

Architected large-scale data pipelines using Apache Spark and Scala, optimizing for real-time analytics in the e-commerce domain. Spearheaded the migration of data infrastructure to Databricks, enhancing processing speed and reliability. Developed a custom data validation framework in Python, ensuring data integrity across distributed systems.

• Implemented Rust-based data transformation tools for performance gains
• Designed SQL-based ETL workflows for complex data models
• Automated data quality checks using custom-built Python scripts

Led development of cross-platform applications, leveraging Scala and Java for backend services. Spearheaded the migration of legacy systems to modern microservices architectures.

• Integrated Node.js services with existing Java infrastructures
• Automated deployment pipelines using TypeScript and Python
• Enhanced scalability with Kotlin-based microservices

Designed and implemented a high-performance distributed system for real-time financial data processing, handling millions of transactions per second. Developed a fault-tolerant, scalable microservices architecture for a global e-commerce platform, optimizing for low-latency and high availability. Led the migration of a monolithic application to a cloud-native architecture, significantly improving deployment speed and resource efficiency.

• Expert in concurrency models and parallel processing techniques
• Architected a custom DSL for financial analytics
• Implemented a dynamic load-balancing algorithm for distributed systems
• Optimized JVM-based applications for memory and CPU efficiency

Specialized in building real-time data pipelines using Kafka and Scala for analytics platforms. Implemented Kubernetes orchestration to streamline deployment of microservices for backend systems.

• Built real-time data pipelines with Kafka
• Implemented Kubernetes orchestration
• Streamlined microservices deployment