SEEKING FREELANCE / CONTRACT WORKLocation: Ukraine Remote: Yes Willing to relocate: NoTechnologies: C#, .NET, ASP.NET Core, REST APIs, WebSockets, PostgreSQL, RabbitMQ, trading/exchange APIsFocus: Trading automation and backend engineering — broker/exchange API integrations, order execution, webhook-to-trading backends, reconnect/restart recovery, duplicate-order prevention, partial fills, reconciliation, risk controls, logging and monitoring.I can also troubleshoot and improve existing trading bots and integrations.The client provides the strategy, signals, or trading rules; I focus on the engineering and execution infrastructure.Availability: 30+ hrs/weekGitHub / source code: <a href="https://github.com/avysotsky/TradeOps" rel="nofollow">https://github.com/avysotsky/TradeOpsUpwork / Project Catalog: <a href="https://www.upwork.com/services/product/development-it-a-reliable-broker-or-exchange-api-integration-for-your-trading-system-2106062966026600235" rel="nofollow">https://www.upwork.com/services/product/development-it-a-rel...Email: alex@alexvysotsky.com
alexandervysots · · focus · HN ↗
Location: Ukraine Remote: Yes Willing to relocate: No
Technologies: C#, .NET, ASP.NET Core, REST APIs, WebSockets, PostgreSQL, RabbitMQ, trading/exchange APIs
Focus: Trading automation and backend engineering — broker/exchange API integrations, order execution, webhook-to-trading backends, reconnect/restart recovery, duplicate-order prevention, partial fills, reconciliation, risk controls, logging and monitoring.
I can also troubleshoot and improve existing trading bots and integrations.
The client provides the strategy, signals, or trading rules; I focus on the engineering and execution infrastructure.
Availability: 30+ hrs/week
GitHub / source code: <a href="https://github.com/avysotsky/TradeOps" rel="nofollow">https://github.com/avysotsky/TradeOps
Upwork / Project Catalog: <a href="https://www.upwork.com/services/product/development-it-a-reliable-broker-or-exchange-api-integration-for-your-trading-system-2106062966026600235" rel="nofollow">https://www.upwork.com/services/product/development-it-a-rel...
Email: alex@alexvysotsky.com