Software Engineer (Python) - Cap Arb Portfolio Manager ToolsSoftware Engineer, Cap Arb PM ToolsMillennium, a leading investment firm, is seeking an experienced and dynamic Senior Software Engineer to join a new team working on pioneering projects in Capital Structure Arbitrage (Cap Arb). This role lies at the intersection of sophisticated technology and innovative investment strategies, designed to support some of the most talented Portfolio Managers in the world.About the TeamOur team is a vital force in bridging the divide between equities and fixed income at Millennium. We focus on two primary areas:Platform Development:We're building a python-based platform that integrates datasets, analytics/pricing systems, and technology platforms across the firm. You'll be shaping a new system to standardize market data; to link diverse securities, derivatives and entities; to power research, exploration and backtesting workflows; and to build valuable and delightful front office apps and tools.Rapid Application Development:You'll be part of an elite squad responsible for deploying the platform to PMs and for building robust front office tools and systems to support PMs in trading, risk management, opportunity screening, technical/systematic analysis, and research.ResponsibilitiesThis is a heavy hands-on engineering role, and you will be expected to:Design, build and maintain beautiful, robust and high-performance APIs and servicesEnsure that our system is extensible, scalable, reliable and meets agreed-upon SLAs for both external users (PMs) and internal users (your teammates)Craft code that meets an exceptional standard for maintainability, readability and best practicesRecognize technical debt, and propose and implement solutions on your ownAdvocate for improvements to product quality and performanceRequirements7+ years of experience as a back-end or full-stack engineer, ideally on a front-office team at a hedge fund, focused on scalability, reliability and API design4+ years of experience with PythonFamiliarity with equity and fixed income products, especially basic pricing & analyticsDemonstrated experience with building a product and rapidly iterating based on user feedbackProficiency & thoughtfulness around API design, testability/readability and system architectureProven ability to work in a fast-paced development environment and deliver timely resultsDemonstrated use of data-driven approaches to experiment, measure success and iterateAbility to navigate complex technical and product-related issuesProactive, effective communication and a bias towards actionOpportunitiesAs an integral part of our team, you will:Enjoy the freedom to move fast, act autonomously, and make your mark on the firmExpand your understanding of complex, cross-asset investment strategiesWork with some of the most technically sophisticated investors on the StreetBuild alongside top-tier software engineers in a dynamic environmentOur CultureWe have a culture of fast execution with enterprise-level quality. We are high energy, driven, and not afraid of failure. Every member brings their A+ game and leaves a positive impact on our stakeholders, which span many departments across the firm. We value:Extreme accountability: You own your role and the impact you makeRespect for different ideas: We will disagree and that's great, but we respect the disagreement and embrace the processBold pursuit: We don't hesitate in the face of potential mistakes. If you're confident in the impact, take actionVibrant engineering culture: We champion an energetic, dynamic engineering atmosphere that thrives on continuous upskilling, creative teamwork, and pursuit of innovationAt Millennium, we're doing things differently. Come be a part of a team that's building out new platforms, unearthing innovative solutions, and pushing the bounds of what's possible.