Sebastian Bach Email & Phone Number

Gdańsk, PL

Gdańsk, PL

Senior Software Engineer (Rust) for a regulatory-friendly data protection-based blockchain that safeguards sensitive commercial and personal data, protecting fundamental freedoms of association, commerce, and expression for developers, companies, and individuals.

Gdańsk, Pomorskie, Poland

• Senior Scala Developer at RChain Cooperative- a cooperative building a blockchain platform and social coordination technologies that address the world’s greatest problems. The main focus of the project was to create.
• Design and development of the communication and the transport layer
• Development of a P2P node discovery based on the Kademlia algorithmover gRPC
• Design and development of a communication protocol in Protobufs andgRPC
• Processing of outgoing and incoming message streams
• Implementation of system and application metrics via Kamon framework,InfluxDB and GrafanaUsed technologies:Scala, Monix, cats, cats-effect, cats-mtl, cats-tagless, blockchain, Docker, InfluxDB, Grafana

Senior Scala Developer at Pyrofex Corporation- a company where the next generation of blockchain platforms and decentralized applications are created. The main focus of the project was to create and maintain software for the RChain blockchain platform. Pyrofex was a subcontractor for the RChain Cooperative. The development team has later transitioned and.

• Scala Automation Engineer at Sony- a multinational corporation with focus on electronics, gaming, entertainment and financial services. The main focus of the project was to integrate multiple independent systems in a.
• Electronic Global Information Security (EGIS) integration Expert
• Microservice architecture (mixed environment Python and Scala)
• Distributed high availability system with Docker on DC/OS (Mesos, Linkerd)
• Event-driven architecture with RabbitMQUsed technologies:Scala, Monix, cats, Docker, InfluxDB, Grafana, DC/OS, Play framework, PostgreSQL, Splunk, Jira plug-in development, Python

Gdańsk, woj. Pomorskie, Polska

London, United Kingdom

Indianapolis, Indiana, Stany Zjednoczone

Gdynia, Pomeranian District, Polska

Management of the branch in Poland. Project management for the parent company in Germany. Implementation of dedicated ERP systems for private railway companies and intermodal logistics. Client/server applications based on Microsoft.NET technologies, MS SQL Server, Oracle, WCF, WPF and DevExpress.

Rejon Dortmund, Niemcy

Implementation of desktop applications for private railway companies and intermodal logistics. MS Access first, then migration to Microsoft.NET, Windows Forms and MS SQL Server. Implementation of complex business logic in database triggers, functions and stored procedures in T-SQL. Implementation of a web- application in ASP.NET for tracking & tracing of.

Rejon Dortmund, Niemcy

Implementation of a dedicated client/server system for T-Mobile in Java/J2EE and Oracle. The application was used for planning and development of the T-Mobile GSM network and for further management. In a later phase the application was used for planning and development of the T-Mobile UMTS network.

Rejon Dortmund, Niemcy

Implementation of e-commerce systems. Web-applications based on OpenStep/Web-Objects technologies in Objective-C for online book stores and travel agencies.