Role Description We are seeking a motivated and detail-oriented Quantitative Risk Analyst to strengthen Particula's risk methodology capabilities across digital assets. This role sits at the intersection of financial engineering, crypto-native risk, and institutional-grade research, contributing directly to the models and frameworks that power Particula's proprietary risk ratings (PDARF) and the Particula Digital Asset Risk Passport (PDARP). You will collaborate with cross-functional teams to ensure our methodologies remain at the forefront of industry standards and deliver actionable insights to our clients. The ideal candidate (m/f/d) would have a minimum of 5+ years of proven experience in our or similar industry. Tasks - Risk Modelling & Quantitative Research - Design and implement stress testing frameworks to assess portfolio and protocol resilience under adverse market conditions - Develop and backtest predictive models using historical on-chain and market data - Run Monte Carlo simulations and other stochastic methods (e.g., Quasi-Monte Carlo, bootstrapping) and scenario analyses to quantify tail risks and expected loss distributions - Conduct time series analysis to identify structural patterns, volatility regimes, and correlation dynamics across digital asset markets - Crypto-Backed Lending & Collateral Risk - Build quantitative assessment frameworks for crypto-backed loan products, with a focus on ETH, SOL and BTC collateral - Model liquidation risk, collateral volatility, and loan-to-value (LTV) dynamics under stressed conditions - Support methodology development and establish ongoing monitoring processes for collateral health and margin adequacy - Real-World Asset (RWA) Vault Assessment - Develop quantitative approaches to evaluate RWA vaults, including credit quality, liquidity profiles, and concentration risk - Contribute to Particula's expanding RWA methodology, ensuring frameworks are rigorous, scalable, and market-relevant - Collaborate with the methodology team to integrate RWA risk factors into the broader PDARF framework - Research, Publications & Thought Leadership - Produce in-depth quantitative research and market analysis for external publication (e.g., stablecoin assessments, DeFi risk reports) - Translate complex modelling outputs into clear, institutional-quality insights for a broad audience - Represent Particula's analytical expertise through white papers, reports, and industry commentary - Protocol & Smart Contract Risk Quantification - Quantify risks embedded in DeFi protocol mechanics, including liquidity pool dynamics, oracle dependencies, and governance attack vectors - Build scoring models that incorporate on-chain data (TVL, utilization rates, slippage) into risk assessments - Market & Liquidity Risk Monitoring - Develop real-time or near-real-time risk dashboards and alert systems for market risk indicators (volatility spikes, liquidity crunches, de-peg events) - Monitor cross-asset correlations and systemic risk indicators across the digital asset ecosystem - Rating Model Validation & Calibration - Independently validate and back-test Particula's existing risk models to ensure accuracy, consistency, and freedom from bias - Calibrate rating thresholds and weighting schemes using empirical data, ensuring PDARF ratings remain statistically grounded - Data Infrastructure & Tooling - Work with on-chain and off-chain data sources to build robust, reproducible analytical pipelines - Contribute to the development of internal quantitative tooling used across methodology and research teams Qualifications - Strong foundation in quantitative finance, statistics, or financial engineering - Hands-on experience with Python (pandas, NumPy, SciPy, statsmodels) and/or R - Familiarity with DeFi mechanisms, tokenomics, and crypto market microstructure - Experience with credit risk, collateral modelling, or structured products is a strong plus - Excellent written communication skills - able to author rigorous, publication-ready research - Self-driven, intellectually curious, and comfortable operating in a fast-moving environment Benefits - Offsites with the team in exciting locations - Flexible working hours in a company that relies on remote work - Exciting product in a very dynamic market environment - Values-based start-up culture - Many opportunities to develop further and network with committed people - Flat hierarchy - Cash salary: gross annual salary & potential share options for outstanding performance

• Drive risk strategy for company-level strategic initiatives, including partnering with Stripe’s product, legal, operations, sales, and partnerships teams to solve risk problems and ensure a positive experience for Stripe’s users • Perform research and analysis to assess Stripe’s current risk performance and develop and prioritize long-term strategic plans for future growth • Enable user onboarding to safely grow at scale, continuously optimizing for efficiency and effectiveness, and staying hyper focused on a positive user experience • Challenge the status quo and provide multiple alternative solutions and key execution criteria • Represent Stripe in external engagements with our most critical partners and customers • Execute special projects/ad hoc analyses as initiatives, products, risks, and opportunities are constantly evolving

• Manages a team through providing oversight, strategy implementation and execution for Medicare Risk Adjustment Programs. • Oversee the end-to-end strategy for risk adjustment programs, including prospective and retrospective processes. • Partner with actuarial and finance teams to support bid development, producing defensible risk score projections, trend analysis, and revenue assumptions. • Manage work to produce customer value by planning and forecasting, setting objectives and priorities, establishing goals, clarifying accountabilities, assigning work and utilizing management and financial controls. • Lead analysis, provide recommendations, and represent Analytics. • Work closely with leaders across business areas to drive results across the business. • Manage levels of performance and assist with employees’ professional growth by planning and building an effective organization; communicating effectively; coordinating with others; maintaining employee morale; motivating, recognizing and rewarding others; coaching and developing others, and engaging in self-development. • Manage business and public relationships and situations to obtain better business outcomes; communicate effectively and coordinate with others. • Develop, prioritize and implement strategy; set policies and procedures and manage creativity and innovation with primary goal of impacting health business.

• Directly manage and develop a team of analysts performing EDD reviews of varying complexity; set performance expectations, provide coaching, and complete performance feedback processes • Own daily operations and workload planning (intake, assignment, prioritization, and capacity planning) to ensure reviews are completed within SLA timeframes • Establish and monitor team performance metrics (timeliness, productivity, quality) and drive corrective actions where needed • Oversee case assignment and case status management; remove blockers and coordinate rework for quality issues • Lead a quality control and sampling program for completed EDD reviews; identify root causes, document findings, and implement training and process improvements • Maintain and refine team procedures, process flows, templates, and job aids; ensure changes are communicated and adopted consistently • Partner with first-line business units and internal stakeholders to obtain required customer information and documentation; ensure requests are clear, appropriately risk-based, and timely • Manage escalations of financial crime red flags and unusual activity; ensure appropriate risk decisions, documentation, and handoffs (e.g., SAR investigation referral) occur in accordance with policy • Support leadership in maturing the EDD/HRC program by recommending process enhancements, tooling opportunities, and risk-based approaches that improve defensibility and efficiency • Provide reporting and analysis on pipeline health, trends, and recurring issues to management; escalate emerging risks and capacity concerns • Coordinate audit, compliance testing, and exam support for the team, including evidence gathering, response drafting, and remediation of findings • Lead and/or support ad hoc projects and initiatives as assigned.