Join Citi's technology team as a Senior Pricing Services Developer focusing on FX Options Pricing in London. This role is part of a greenfield multiyear transformation program aimed at modernizing and scaling the electronic FX Options Trading Business. You'll work with cutting-edge technologies in an event-driven architecture, developing crucial components of the trading platform including RFQ workflows, streaming prices, and trade lifecycle management. The position offers a hybrid working model with up to 2 days working from home per week, competitive compensation, and comprehensive benefits. As part of a global team, you'll collaborate with developers, quants, and traders, making significant contributions to system architecture while having opportunities to mentor others. The role combines technical expertise in C#, multithreading, and distributed systems with financial market domain knowledge, though prior finance experience isn't mandatory. Citi offers a business casual workplace environment and emphasizes diversity and inclusion, making it an ideal place for talented developers looking to make an impact in financial technology.