Java Developer – Front Office, Trading Systems

Job not on LinkedIn

🕒 January 12

🏢🏡 London – Hybrid

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

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MARGO

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2005

🤖 Artificial Intelligence

💳 Fintech

Artificial Intelligence • Fintech • Digital Transformation

MARGO is a digital consulting firm specializing in high-complexity IT missions across various sectors. As data, AI, and digital experts, MARGO partners with ambitious clients to drive progress through digital transformation. With a focus on industries such as finance, insurance, energy, and technology, MARGO provides expertise in artificial intelligence, cloud transformation, data architecture, and software engineering.

📋 Description

• Design, develop and maintain high-performance Java applications • Work on real-time data processing (market data, pricing, orders, analytics) • Implement multithreading and concurrency patterns adapted to performance-critical systems • Participate in system design, architecture discussions and technical specifications • Continuously optimise performance (latency, throughput, memory, GC behaviour) • Contribute to the full software lifecycle: design, development, testing and release • Produce clean, maintainable and well-tested code • Participate in sprint planning, estimations and technical reviews • Collaborate closely with developers, quant and infrastructure teams • Provide 3rd line support on production systems when required • Participate in production releases (including occasional out-of-hours interventions) • Contribute to system stability, monitoring and incident prevention

🎯 Requirements

• Strong experience as a Java Developer in performance-critical environments • Proven background in low-latency or high-throughput systems • Solid understanding of concurrency, threading and memory management • Experience working in Front Office, Trading or Risk IT environments • Comfortable working in Linux production environments • Clear communication and structured problem-solving skills • Exposure to one or more asset classes (Equities, Fixed Income, Commodities, FX, Derivatives) • Experience in trading, pricing, risk or market data systems

🏖️ Benefits

• Access to multi-asset Front Office environments • Highly technical and challenging engineering assignments • Strong emphasis on skill development and long-term career progression • Human-sized consultancy with close support and high-quality missions