Quant Trading QA Engineer

Location: Remote (Europe) Type : Full-time, 12-month contract with an initial 3-month probationary period (possibly leading to a permanent position) Compensation : Highly competitive, based on experience Company & Role Overview: We are a proprietary trading firm that leverages cutting-edge technology to excel in cryptocurrency derivatives markets. We are currently focused on the first iteration of a real-time, cloud-based quantitative analysis pipeline that produces price & volatility forecasts and optimises our quoting strategy for our market-making activities. We will then look to integrate and interweave more models, data and approaches, such as ARIMA, LPPLS, RL/DL with LSTMs, and on-chain analysis for enhanced forecasting, crash protection strategies, sentiment analysis and other applications. As our Senior QA Engineer you’ll work closely with our Engineering, DevOps, Quantitative Research and Trading teams, taking the lead in shaping and driving our testing strategy. This means blending innovation with established standards to design, develop, execute and maintain a solid, scalable testing infrastructure that ensures our trading applications and supporting systems remain robust and performant. You’ll also have the chance to get hands-on with KDB+/q development if that sparks your interest. Key Responsibilities: Design and implement scalable, robust, apt, and efficient (automated) testing systems, frameworks and interfaces that provide actionable results and visibility across our technology stack throughout development and in production Balance maximal, continuous test coverage with efficiency and prioritisation to manage resources Collaborate to identify testing surfaces and scenarios and strategize appropriately, writing and executing high quality test cases for numerous systems and environments Identify, document and track issues from observation to resolution Maintain high-quality documentation of QA systems, processes and test cases Work with teams across the organisation to align deliverables with business needs and advocate for quality throughout project lifecycle Contribute to data-driven insights that identify our strengths and opportunities for growth Areas of Collaboration: Pipeline (KDB+/q) : unit, integration, performance & stress testing of pipeline core components, simulating heavy load, and intense, erratic market conditions Quantitative Models (KDB+/q, C++, Python) : unit, integration, performance & back testing of implementations of such as GARCH, SVI and Optimal Market Making Cloud Infrastructure (AWS) : support performance & deployment testing as needed Additional Tools (NodeJS / Python) : unit, integration testing of other internal tools as needed Key Qualifications : Bachelors or Masters degree in Computer Science, Mathematics, Statistics, or related STEM field, ideally combined with QA certification (e.g. CSQA, ISTBQ) 5+ years of experience operating and developing tests, testing frameworks and automation strategies for low-latency, cloud-based, dockerized financial or real-time data processing applications, ideally including KDB+/q Comprehensive understanding of current approaches such as BDD, Shift-Left & Shift-Right, Continuous and Risk-Based Extensive experience with related tooling: Python and shell scripting, unit testing & mocking libraries, CI/CD & test management tools, performance & load-testing kits, version control, defect tracking, test data generators, Markdown, etc. Preferred Skills : Familiarity with financial mathematics, stochastic processes, time-series modeling, and an understanding of derivatives, tick data, order books, and implied volatility surfaces Experience in testing C++ applications Familiarity with cryptocurrency markets and exchange dynamics Experience in security testing for cloud-based applications Experience in testing IaC, particularly in AWS Why Join Us : Creatively apply and deepen your expertise at the cutting edge of the rapidly-emerging field of cryptocurrency Position yourself to contribute to innovative combinations of quantitative finance, ML, cloud-computing and trading strategy tailored to cryptocurrency markets Highly competitive pay, including bonuses, and the opportunity to join us permanently Be a fundamental force in shaping the infrastructure and systems of a growing trading firm Enjoy a flexible, collaborative and empowering fully remote work environment