About G20 Group
The G-20 Group is a pioneer in Quantitative Trading systems in cross-asset markets. Headquartered in Switzerland, we operate at the intersection of Quantitative Research, Software Engineering and Trading. The team combines a startup mindset with extensive experience in proprietary Trading, Technology and Quantitative Finance.
Role Overview
We are seeking an experienced Senior Proprietary Trader to identify, risk-manage, and execute directional trading opportunities in linear and derivative markets. You will run a defined risk book (or multiple strategies) with significant autonomy, focusing on repeatable edge, disciplined risk management, and strong execution.
Key Responsibilities
Idea generation & trade construction
* Develop discretionary trade theses using macro, fundamentals, positioning/flows, technicals, and/or volatility signals.
* Structure trades in spot and/or options (directional, relative value, volatility, event-driven, carry).
Execution
* Execute trades efficiently with strong attention to market microstructure, liquidity, slippage, and order types.
* Work with brokers/venues/OTC counterparties as applicable; maintain execution hygiene and best practices.
Risk management
* Own daily risk: position sizing, stop/exit discipline, scenario analysis, hedging, and tail-risk thinking.
* Maintain and respect hard risk limits (VAR/expected shortfall, Greeks, drawdowns, concentration, liquidity).
Performance & review
* Track P&L drivers, hit rate, expectancy, drawdowns, and attribution by strategy and regime.
* Conduct post-trade reviews, refine playbooks, and document frameworks for repeatability.
Collaboration & infrastructure
* Partner with risk, operations, compliance, and technology to ensure clean trade capture and controls.
* Contribute to improving tooling (dashboards, alerts, execution workflows) and market intelligence.
What Success Looks Like
* Demonstrates a clear, defensible edge with consistent decision-making and strong process discipline.
* Produces attractive risk-adjusted returns while staying within limits and minimizing operational issues.
* Communicates positions, risks, and scenarios crisply; maintains a well-documented trading playbook.
Risk & Controls Expectations
* Operate within predefined constraints (e.g., max gross/net exposure, Greeks limits, max daily/weekly drawdown).
* Maintain a robust trading journal and risk notes for significant positions.
* Escalate material risk events promptly and proactively.
Requirements
* Degree in Quantitative Finance, Mathematics, Computer Science, Statistics, or a related quantitative field.
* 5+ years professional trading experience (prop, hedge fund, family office) OR demonstrable audited track record.
* Proven ability to generate and manage discretionary P&L in spot and/or options.
* Strong practical understanding of:
* Market structure, liquidity, execution tactics
* Risk management (drawdowns, stress/scenario testing, hedging)
* For options: volatility, skew, term structure, Greeks, payoff engineering
* Highly disciplined, calm under pressure, and accountable for outcomes.
* Strong written and verbal communication; ability to explain trades and risks clearly.
Preferred / Desirable Experience
* Experience across multiple regimes (risk-on/off, crisis, high/low vol).
* Event-driven options trading (earnings, macro releases) or structured volatility strategies.
* Ability to use data tools (Excel, Python, SQL) for research, journaling, and analytics.
* Familiarity with systematic overlays (signals to inform discretionary timing).
Deadline for application: December 19, 2025
Location and Right to Work: This role will be based in our Zurich office. Only candidates who possess the pre-existing right to work in Switzerland need apply.
Join G-20 and be a part of a team that is at the forefront of financial markets, driving innovation and excellence in the sector.
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