Senior Quant Developer

Luxoft; United Kingdom; Remote; GBP 80,000 - 120,000; Full time

Job summary

A leading technology consultancy seeks a Senior Quant Developer to work with a major investment bank. This role involves architecting AI-driven models for market abuse detection using Python and PySpark. Candidates should have over 7 years of experience in investment banking and proficiency in SQL. The ideal candidate will communicate complex concepts effectively and ensure solutions comply with regulations.

Qualifications

• 7+ years of experience in investment banking.
• Expertise in advanced AI/ML modelling with Python and PySpark.
• Strong knowledge of SQL, with productionized experience.

Responsibilities

• Architect and implement scalable AI/ML models for market abuse detection.
• Collaborate with stakeholders to gather requirements.
• Translate regulatory requirements into technical designs.

Skills

Python

PySpark

SQL

AI/ML modelling

Statistical analysis

Data engineering

Market microstructure

Leadership

Tools

MS Copilot

kdb+/q

C++

Java

Hadoop

Job description

Project description

We need a Senior Quant Developer to work for a leading investment bank client for the part of Trade Surveillance Team. Lead the design and development of advanced quantitative and AI-driven models for market abuse detection across multiple asset classes and trading venues. Drive the solutioning and delivery of large-scale surveillance systems in a global investment banking environment, leveraging Python, PySpark, big data technologies, and MS Copilot for model development, automation, and code quality. Play a pivotal role in communicating complex technical concepts through compelling storytelling, ensuring alignment, and understanding across business,compliance, and technology teams.

Responsibilities

• Architect and implement scalable AI/ML models (using MS Copilot, Python, PySpark, and other tools) for detecting market abuse patterns (e.g., spoofing, layering, insider trading)across equities, fixed income, FX, and derivatives.
• Collaborate closely with consultants, MAR monitoring teams, and technology stakeholders to gather requirements, share insights, and co-create innovative solutions.
• Translate regulatory and business requirements into actionable technical designs, using storytelling to bridge gaps between technical and non-technical audiences.
• Develop cross-venue monitoring solutions to aggregate, normalize, and analyze trading data from multiple exchanges and platforms using big data frameworks.
• Design and optimize real-time and batch processing pipelines for large-scale market data ingestion and analysis.
• Build statistical and machine learning models for anomaly detection, behavioral analytics, and alert generation.
• Ensure solutions are compliant with global Market Abuse Regulations (MAR, MAD, MiFID II, Dodd-Frank, etc.).
• Lead code reviews, mentor junior quants/developers, and establish best practices for model validation and software engineering, with a focus on AI-assisted development.
• Integrate surveillance models with existing compliance platforms and workflow tools.
• Conduct backtesting, scenario analysis, and performance benchmarking of surveillance models.
• Document model logic, assumptions, and validation results for regulatory audits and internal governance.

SKILLS

Must have

• Technical Skills:
• 7+ years of experience
• Investment banking domain experience
• Advanced AI/ML modelling (Python, PySpark, MS Copilot, kdb+/q, C++, Java)
• Must be well versed with SQL and have hands on experience writing SQL (preferably Spark SQL) that is productionized (not ad-hoc queries) for at least 2-4 years
• Familiarity with Cross-Product and Cross-Venue Surveillance Techniques particularly with vendors such as TradingHub, Steeleye, Nasdaq or NICE
• Statistical analysis and anomaly detection
• Large-scale data engineering and ETL pipeline development (Spark, Hadoop, or similar)
• Market microstructure and trading strategy expertise
• Experience with enterprise-grade surveillance systems in banking.
• Integration of cross-product and cross-venue data sources
• Regulatory compliance (MAR, MAD, MiFID II, Dodd-Frank)
• Code quality, version control, and best practices.Soft Skills:
• Strong storytelling and communication for technical and non-technical audiences
• Collaboration with consultants, MAR monitoring teams, and technology stakeholders
• Stakeholder management and requirements gathering
• Leadership, mentoring, and team guidance
• Problem-solving and critical thinking
• Adaptability and continuous learning

Nice to have

• Understanding of Financial Markets Asset Classes (FX, FI, Equities, Rates, Commodities & Credit), various trade types (OTC, exchange traded, Spot, Forward, Swap, Options) and related systems is a plus• Surveillance domain knowledge, regulations (MAR, MIFID, CAT, Dodd Frank) and related Systems knowledge is certainly a plus