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Graduate Quantitative Developer - Job Opportunity at WEBB Traders BV

Paris, France
Full-time
Entry-level
Posted: June 27, 2025
On-site
EUR 50,000 - 70,000 annually for entry-level quantitative developers in Paris, with significant upside potential through performance bonuses that can add 20-50% to base compensation. The total compensation package likely ranges from EUR 60,000 - 105,000 when including bonuses and benefits, which is competitive for the Paris fintech market.

Benefits

Competitive compensation package with performance-based bonus scheme providing direct financial incentives tied to individual and company success
Comprehensive health insurance coverage with 100% employer funding, eliminating personal healthcare costs and providing superior coverage compared to standard market offerings
Extensive professional development opportunities through internal and external training programs covering trading software, agile methodologies, and technical management skills
Swile meal card providing daily dining flexibility and cost savings on food expenses
Gymlib sports facility access promoting work-life balance and employee wellness
Regular team building activities and social events fostering collaborative work environment and professional networking
Premium office location in central Paris between 8th and 9th arrondissements providing excellent accessibility and professional prestige
Comprehensive contingency coverage including life insurance and disability pension providing long-term financial security

Key Responsibilities

Drive the strategic evolution of mission-critical trading solutions and infrastructure systems that directly impact company profitability and market position
Lead the development and optimization of sophisticated trading algorithms using cutting-edge technologies including C++, C#, Python, Rust, and PostgreSQL
Architect and implement high-performance data processing systems capable of handling large-scale financial market data in real-time environments
Design and build crucial infrastructural components that support the company's global trading operations across multiple exchanges and markets
Collaborate with cross-functional teams to devise innovative technical solutions that enhance trading efficiency and competitive advantage
Engage directly with end-users to understand business objectives and translate complex requirements into scalable technical implementations
Contribute to workflow automation initiatives that streamline operational processes and reduce manual intervention in trading activities
Participate in comprehensive business rotation programs to gain deep understanding of all aspects of proprietary trading operations

Requirements

Education

Bachelor's or Master's degree in computer science

Experience

0 to 2 years of experience in a software engineering role

Required Skills

Strong computer science fundamentals Understanding of computer architecture, networking, and databases Hands-on experience with modern C++, design patterns & idioms Eager, curious, and a fast learner Team player who thrives in an agile and fast-paced environment Strong analytical and creative problem-solving skills with a 'get it done mentality'
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Sauge AI Market Intelligence

Industry Trends

Proprietary trading firms are increasingly investing in advanced technology infrastructure and algorithmic trading systems to maintain competitive advantages in high-frequency trading environments. The demand for skilled quantitative developers who can build and optimize these systems continues to grow as traditional trading methods become obsolete. The financial technology sector is experiencing rapid consolidation around firms that can effectively combine mathematical modeling, software engineering, and market expertise. Companies like WEBB Traders that focus on derivatives and arbitrage trading are particularly well-positioned to capitalize on market inefficiencies through technological innovation. Post-pandemic market volatility has created new opportunities for algorithmic trading strategies, driving increased demand for developers who can quickly adapt trading systems to changing market conditions. The emphasis on real-time data processing and automated decision-making has become critical for maintaining profitability in volatile markets.

Role Significance

The candidate will likely work within a small, agile R&D team of 5-8 engineers, with close collaboration across the entire 70-person organization. The flat organizational structure means direct access to senior leadership and involvement in strategic technical decisions.
This is a high-impact entry-level position with accelerated responsibility growth typical of smaller proprietary trading firms. The role offers significant autonomy and decision-making authority uncommon in traditional corporate environments, with direct influence on trading profitability and system architecture decisions.

Key Projects

Development of real-time trading algorithms for equity and derivatives markets Implementation of high-performance data processing pipelines for market data analysis Creation of risk management and portfolio optimization systems Building connectivity solutions for multiple global exchanges and broker networks Development of automated trading infrastructure and monitoring systems

Success Factors

Ability to rapidly learn complex financial markets concepts while maintaining strong technical execution capabilities Strong mathematical and analytical thinking combined with practical software engineering skills Adaptability to work across multiple programming languages and technologies based on project requirements Effective communication skills to collaborate with traders, researchers, and other technical team members Entrepreneurial mindset aligned with the company's growth-oriented culture and willingness to take on increasing responsibilities

Market Demand

Very high demand for quantitative developers with strong C++ skills and financial markets knowledge. The combination of mathematical expertise and software engineering capabilities is rare in the market, creating excellent opportunities for qualified candidates.

Important Skills

Critical Skills

Modern C++ expertise is absolutely essential as it forms the backbone of high-performance trading systems where microsecond execution speeds can determine profitability. The ability to write efficient, optimized C++ code directly impacts the company's competitive advantage in algorithmic trading. Strong computer science fundamentals including data structures, algorithms, and system design are crucial for building scalable trading infrastructure that can handle massive data volumes and complex mathematical calculations in real-time trading environments. Database knowledge, particularly PostgreSQL, is vital for managing and querying large volumes of historical and real-time market data, which forms the foundation for trading strategy development and risk management systems.

Beneficial Skills

Python proficiency for rapid prototyping and data analysis tasks that support trading strategy research and development Rust programming knowledge for building next-generation high-performance systems with memory safety guarantees Understanding of financial markets and trading concepts to better collaborate with traders and researchers Agile development methodologies experience to thrive in the fast-paced, iterative development environment typical of trading firms Networking and distributed systems knowledge for building robust, scalable trading infrastructure across multiple geographic locations

Unique Aspects

Opportunity to work across multiple programming languages and technologies in a single role, providing broad technical skill development
Direct exposure to global financial markets and trading strategies typically reserved for more senior positions
Rotation through different business areas providing comprehensive understanding of proprietary trading operations
Small company environment enabling direct interaction with senior leadership and immediate impact on business outcomes
International work environment with colleagues from 25+ countries offering diverse perspectives and networking opportunities

Career Growth

Typical progression to senior roles within 2-3 years given the accelerated learning environment and high-growth company context. Leadership opportunities may emerge within 3-5 years for high-performing individuals.

Potential Next Roles

Senior Quantitative Developer with specialization in algorithmic trading systems Quantitative Researcher focusing on strategy development and market analysis Trading Technology Team Lead managing development of critical trading infrastructure Product Manager for trading technology solutions

Company Overview

WEBB Traders BV

WEBB Traders BV is a Amsterdam-headquartered proprietary trading firm established in 2009, specializing in market making and arbitrage strategies across global equity and derivatives markets. The company operates with approximately 70 employees representing over 25 nationalities, indicating a diverse, international work environment with strong growth trajectory.

As a specialized proprietary trading firm, WEBB Traders occupies a niche but profitable segment of the financial services industry. The company's focus on technology-driven trading strategies and market making activities positions it well within the competitive landscape of algorithmic trading firms.
The Paris office represents a strategic expansion for WEBB Traders, housing 15 specialized professionals focused on derivatives trading. This indicates the company's commitment to the European market and provides opportunities for cross-office collaboration and potential international career development.
The company emphasizes a culture of 'openness, community, enjoyment, and boundary-free entrepreneurship,' suggesting a collaborative, innovation-focused environment typical of successful fintech startups. The emphasis on rapid responsibility growth and direct impact aligns with entrepreneurial work cultures that attract ambitious professionals.
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