of structured products in Equity, Fixed Income and Credit, and financial instruments in general Strong communication, presentation skills and problem-solving skills Experience with SaaS platforms and APIs (REST, FIX, or similar protocols) Experience using tools like Jira, Slack, and CRM systems (e.g. Hubspot) Ability to work independently and collaboratively in a fast-paced, dynamic environment Fluency in French More ❯
london, south east england, united kingdom Hybrid / WFH Options
X4 Technology
ensure end-to-end workflows run securely, efficiently and compliantly (MiFIDII, RTS6...). You'll also optimise connectivity to global futures exchanges, integrate market data (Bloomberg, Refinitiv...) and troubleshoot FIX connections, EMS/OMS platforms, network protocols and real-time data systems. Responsibilities for the Contract Site Reliability Engineer (Algorithmic Trading) Deploy applications following best practices and manage vendor … commodity trading, capital markets or investment banking Strong knowledge of global futures exchanges, exchange-traded derivatives lifecycle and real-time market data distribution systems (RTDS, DACS, ADH, ADS) Solid FIX engineering experience Great opportunity to contribute to an innovative algorithmic trading platform with one of the world's largest energy trading players. Day rates circa £800/d inside More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
X4 Technology
ensure end-to-end workflows run securely, efficiently and compliantly (MiFIDII, RTS6...). You'll also optimise connectivity to global futures exchanges, integrate market data (Bloomberg, Refinitiv...) and troubleshoot FIX connections, EMS/OMS platforms, network protocols and real-time data systems. Responsibilities for the Contract Site Reliability Engineer (Algorithmic Trading) Deploy applications following best practices and manage vendor … commodity trading, capital markets or investment banking Strong knowledge of global futures exchanges, exchange-traded derivatives lifecycle and real-time market data distribution systems (RTDS, DACS, ADH, ADS) Solid FIX engineering experience Great opportunity to contribute to an innovative algorithmic trading platform with one of the world's largest energy trading players. Day rates circa £800/d inside More ❯
slough, south east england, united kingdom Hybrid / WFH Options
X4 Technology
ensure end-to-end workflows run securely, efficiently and compliantly (MiFIDII, RTS6...). You'll also optimise connectivity to global futures exchanges, integrate market data (Bloomberg, Refinitiv...) and troubleshoot FIX connections, EMS/OMS platforms, network protocols and real-time data systems. Responsibilities for the Contract Site Reliability Engineer (Algorithmic Trading) Deploy applications following best practices and manage vendor … commodity trading, capital markets or investment banking Strong knowledge of global futures exchanges, exchange-traded derivatives lifecycle and real-time market data distribution systems (RTDS, DACS, ADH, ADS) Solid FIX engineering experience Great opportunity to contribute to an innovative algorithmic trading platform with one of the world's largest energy trading players. Day rates circa £800/d inside More ❯
with broker infrastructure, low-latency order handling, and a sophisticated margin and clearing engine. This is a fully remote , full time position. Responsibilities Integrate with broker order flow using FIX APIs and bridge platforms (e.g., PrimeXM, Centroid) Build internal routing and execution logic across multiple counterparties Design and enforce margin and net settlement systems per client Connect to institutional … normalize multi-venue pricing data Own the reliability and accuracy of high-throughput trade matching infrastructure Requirements 5+ years experience building backend infrastructure in financial markets Direct experience integrating FIX APIs and broker bridges (PrimeXM required) Experience with CFDs Strong programming skills (Python, or similar) Deep understanding of execution logic, margin enforcement, and post-trade flows Nice to Have … or liquidity providers Exposure to net settlement, per-broker margin models, or matching engines Knowledge of institutional custody or collateral management systems Deliverables Integrate with broker order flow using FIX APIs Build internal routing and execution logic Design margin and net settlement systems Connect to institutional LPs and normalize pricing data Ensure reliability of trade matching infrastructure More ❯