Sr. Software Engineer, Testing
Bridgewater89 · Westport, CT and NYC
About this role
**Sr. Software Engineer, Testing — Bridgewater (Portfolio & Trading Teams)** **About Technology at Bridgewater** The Technology team engineers systems to understand the world—synthesizing and industrializing global knowledge into a “hive mind” of macroeconomic insight. They build highly available, high-performing, and highly secure cloud platforms and infrastructure that support and scale investing operations. **About the Team** - **Portfolio & Trading** translate understanding of the global economy into strategy-specific portfolios and execute investment decisions with precision, efficiency, and reliability. - The **Portfolio technology group** builds and manages platforms that help strategists, investors, and operations teams create and test portfolio strategies and logic, construct portfolios, and manifest portfolios into tradeable securities. - The **Trading technology group** designs, builds, and maintains systems powering execution, data flow, and real-time decision-making across global markets—partnering with investors and traders to optimize performance, automate processes, and ensure resilient implementation. **About the Role** Bridgewater is hiring into both the **Portfolio** and **Trading** teams. The **Sr. SWE, Testing** will design and build advanced test automation platforms for high-performance, mission-critical systems. This role will reduce reliance on external vendors and enable faster, more reliable development cycles through scalable automation and AI-driven testing approaches. This position sits at the intersection of **software engineering, testing strategy, and platform architecture**, with a strong emphasis on enabling **agentic development loops** and minimizing **latency and downtime** in production systems. **You Will Drive the Following Responsibilities** - Design, build, and maintain scalable test automation platforms for complex systems - Develop diagnostic and validation tools across production and QA environments - Enable end-to-end automated testing for business logic and system performance - Support agentic/AI-driven testing workflows to accelerate development cycles - Collaborate with engineering teams to integrate testing into the SDLC - Improve system reliability by reducing testing time and preventing production issues - Contribute to the evolution of testing strategy during platform re-architecture (e.g., OMS SaaS migration) **Required Qualifications** - Strong computer science fundamentals with **4+ years** in technically rigorous environments with extremely high engineering standards - **2+ years** in SDET or test architecture roles with an emphasis on true software engineering - Ability to design diagnostic tools and testing infrastructure - Strong problem-solving and system design skills - Exposure to agentic systems or autonomous testing frameworks - Familiarity with low-latency systems and performance optimization **Nice to Have Qualifications** - Proven experience building complex test automation platforms from scratch - Background with **OMS (Order Management Systems)** or similar platforms - Strong understanding of software testing methodologies and frameworks - Experience with distributed systems, data platforms, or financial systems - Experience integrating AI/ML tools into testing workflows - Experience in financial services, especially trading or portfolio systems **Location Requirements** Anticipated onsite requirement: **4 days/week onsite** - **2 days/week** at the **Westpor
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