Persistent Systems Jobs in Blackfriars

Quantitative Developer | Global Electronic Trading Firm | HFT Research - Up to £550k TCThe Role You will work on the production systems that make markets globally. This is a quantitative engineering role operating at the intersection of:Ultra-low-latency systems engineering,Real-time pricing and riskMarket microstructure and executionDistributed sy...

Quantitative Developer | Global Electronic Trading Firm | HFT Research - Up to £550k TCThe Role You will work on the production systems that make markets globally. This is a quantitative engineering role operating at the intersection of:Ultra-low-latency systems engineering,Real-time pricing and riskMarket microstructure and executionDistributed sy...

Senior Javascript Engineer (Node.js / AI) | Publishing📍 London (Hybrid – min. 1 day per week)💰 Up to £80,000 (pro rata)📄 6-month Fixed Term ContractWe’re partnering with a well-established publishing organisation undergoing a major digital and AI-led transformation. With a strong global presence, they’re investing heavily in modern engineering a...

Senior Javascript Engineer (Node.js / AI) | Publishing📍 London (Hybrid – min. 1 day per week)💰 Up to £80,000 (pro rata)📄 6-month Fixed Term ContractWe’re partnering with a well-established publishing organisation undergoing a major digital and AI-led transformation. With a strong global presence, they’re investing heavily in modern engineering a...

Senior Backend Engineer - JavaLondon, hybrid (3 days in office)Up to £85k + benefitsPrefer solving real production problems over building features for the sake of it?We are working with a long established, AI driven technology business whose platform is used daily by major global media organisations. Their systems process large volumes of data in r...

Senior Backend Engineer - JavaLondon, hybrid (3 days in office)Up to £85k + benefitsPrefer solving real production problems over building features for the sake of it?We are working with a long established, AI driven technology business whose platform is used daily by major global media organisations. Their systems process large volumes of data in r...

Senior Backend Engineer | Mobile | Monetisation | Full Remote UK/EuropeI'm working with a scaling consumer mobile platform used by millions globally that is building out a brand new Monetisation squad.This is a high-impact role sitting at the centre of subscriptions, payments, pricing and entitlement systems – effectively owning the backend service...

C++ Software Engineer – High-Frequency TradingLooking for a C++ Engineer with strong commercial experience in low latency or ultra-low latency systems, to join a systematic trading firm operating at the cutting edge of high-frequency trading.Role Overview:You will work across the full trading system stack, building and optimising the infrastructure...

C++ Software Engineer – High-Frequency TradingLooking for a C++ Engineer with strong commercial experience in low latency or ultra-low latency systems, to join a systematic trading firm operating at the cutting edge of high-frequency trading.Role Overview:You will work across the full trading system stack, building and optimising the infrastructure...

Senior Backend Engineer | Mobile | Monetisation | Full Remote UK/EuropeI'm working with a scaling consumer mobile platform used by millions globally that is building out a brand new Monetisation squad.This is a high-impact role sitting at the centre of subscriptions, payments, pricing and entitlement systems – effectively owning the backend service...