Posted 20 May 2023, 5:11 pm

Back End Developer at Sandwich


Sandwich is an application that helps self-directed retail and institutional cryptocurrency traders monitor, trade and manage their portfolios across multiple centralised and decentralised exchanges. The app aims to standardize the trading experience across these global venues with a primary focus on derivative trading with spot trading on offer as well. Sandwich caters for the full lifecycle of trading (via DMA and algorithmic execution), order and position management, portfolio management, reporting and 3rd party product integration via API. 


Sandwich is interested in talking to driven back-end developers that can help expand Sandwich’s offering of exchanges. 


  • Help integrate new exchanges into Sandwich. 
  • Maintain and expand Sandwich’s back-end engine. 


  • Proven problem-solving abilities. 
  • Logical thinking. 
  • Attention to detail. 
  • Experience with Rest and Websocket connectivity. 
  • Software best-practice. 
  • Understanding of Finance & Derivatives. 
  • Experienced in C# 
  • SQL 
  • Git 


  • Experience with Rest and Websocket connectivity to cryptocurrency exchanges - Interest in algorithmic trading 
  • Cloud experience (AWS, GCP, Azure)

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Source: Remote Ok