maxhora / arrow

Apache Arrow is a columnar in-memory analytics layer designed to accelerate big data. It houses a set of canonical in-memory representations of flat and hierarchical data along with multiple language-bindings for structure manipulation. It also provides IPC and common algorithm implementations.

Top 1% Upwork Expert-Vetted with 25000+ hours & 15+ years commercial experience overall.

CTO | Team leader | Adviser

Areas of expertise:

• All round support for the project ( product analysis, development planning and implementation, research )
• Solving sophisticated technical issues in the complex projects ( performance optimization, memory leaking, execution freezing )
• Cross-platform full stack solutions creation for all major platforms ( Web, Windows, MacOS, Unix, iOS, Android)
• High performance server applications
• Blockchain Consensus Protocol and ecosystem core, Smart Contracts, Proof of stake
• Various networking and communication protocols/libraries intergation ( gRPC, WebRTC, ZoomSDK )
• Unity and Unreal Engine 5 development
• Certified medical EHR and EMR systems development
• CI/CD with GitHub, MS Azure DevOps, Jenkins, Appveyor, Travis, Circle, and others

Achievements:

• 25,000+ worked hours and 125+ projects completed PERSONALLY only at Upwork
• 2020 and 2018 years - awarded with "The Best Top Rated Freelancer Award in Ukraine (Web, Mobile, Software Category) at Upwork."
• Helped 100+ businesses to reach their goals in time