Senior Quant DeveloperVerified as a real position

Who we’re looking for

• Very extensive Python 3+ pandas, numpy and matplotlib skills. Namely developing the architecture, abstraction and OOP, databases, containers, scientific computing, interfaces, test-driven development and code documentation
• Experience applying AI/ML tools in production workflows, including use of LLM-based assistants, prompt engineering, agents, and automation of technical or business processes.
• Familiarity with Git/CI/ Docker/MongoDB development and deployment patterns
• Desire to work in quantitative finance and utilize programming skills to develop frameworks, automate processes, drive testing and promote high quality production models/code
• Experience developing internal tools or user-facing applications using React and Express, with proficiency in software engineering fundamentals and ability to integrate with Python-based analytics/services
• Basic knowledge of mathematical finance (e.g. Black Scholes, Hull-White, etc)
• Basic understanding of numerical computation (optimization, Monte-Carlo, integration, etc)
• PhD or master’s in computer science, Applied Mathematics, physics (or similar mathematical, scientific, or software-related field)

What you’ll do

• To design, develop, and evolve trading, risk management and other platforms that facilitate trading and regulatory objectives within the investment banking domain.
• Design, development, and maintenance of high-performance trading platforms, risk systems, and applications catering to the needs of traders and market participants.
• Collaboration with traders, strategists, and stakeholders to gather requirements and translate them into scalable and efficient technological solutions.
• Implementation of new features, enhancements, and functionalities on trading platforms to improve performance, reliability, and user experience.
• Stay updated on technological advancements, industry trends, and best practices to drive innovation and continuous improvement in trading platforms.
• Collaboration with cross-functional teams including business aligned SM&D teams, strats, compliance, and IT to address system issues and implement solutions.

About the position

Join Barclays as a Senior Quant Developer to build and modernize our quant finance infrastructure, where you’ll be designing robust Python-driven frameworks and AI‑augmented workflows that turn complex model testing into scalable, production-grade systems integrated into decision making and trusted across the business.

Benefits

• Barclays employees are also eligible for a suite of competitive country-specific benefits.
• This position is eligible for an incentive award.
• Our Work Experience is the combination of everything that's unique about us: our culture, our core values, our company meetings, our commitment to sustainability, our recognition programs, but most importantly, it's our people.
• Our employees are self-disciplined, hard working, curious, trustworthy, humble, and truthful.
• They make choices according to what is best for the team, they live for opportunities to collaborate and make a difference, and they make us the #1 Top Workplace in the area.