Principal Software Engineer positions focus on delivering results in their domain. This page aggregates open Principal Software Engineer roles and what employers typically expect.
The Principal Engineer will be responsible for delivery of end-to-end architecture and implementation of new Fixed Income trading systems, Reporting & Analytics Integrations, thorough test implementations, CI/CD Configuration and implementation of modern and efficient paradigms in systems and code. Tradeweb is a global leader in electronic trading across asset classes. As financial markets become increasingly interconnected, our technology enables efficient, multi-asset trading on a global scale. We serve more than 3,000 clients in more than 85 countries, including many of the world’s largest banks, asset managers, hedge funds, insurers, corporations, and wealth managers. Creative collaboration and sharp client focus have helped fuel our organic growth. We facilitated average daily trading volume (ADV) of more than $2.8 trillion over the past four fiscal quarters, topping $3.3 trillion in ADV for the first quarter of 2026. Since our IPO in 2019, Tradeweb has completed four acquisitions and doubled our revenues – and 2025 was our 26th consecutive year of record revenues. Tradeweb plays a central role in modernizing market structure by developing innovative trading protocols, embedding analytics into execution, and building technology infrastructure that supports the convergence of traditional and digitally native financial markets. Tradeweb is a great place to work, recognized in 2025 by Forbes as one of *America’s Best Companies* and by U.S. News & World Report as one of the *Best Financial Services Companies to Work For*. Tradeweb Markets LLC ("Tradeweb") is proud to be an EEO Minorities/Females/Protected Veterans/Disabled/Affirmative Action Employer. [Workplace Posters | U.S. Department of Labor](https://www.dol.gov/general/topics/posters) **Group Details** The Principal Engineer will be responsible for delivery of end-to-end architecture and implementation of new Fixed Income trading systems, Reporting & Analytics Integrations, thorough test implementations, CI/CD Configuration and implementation of modern and efficient paradigms in systems and code. **Qualifications** - 8+ years of progressive full-stack software engineering experience**.** - 5+ years of experience contributing to architecture and design of software systems. - Very clear written and verbal communication skills. - Experience mentoring junior team members. - Experience building and clear understanding of highly resilient & fault-tolerant systems, including event-driven or distributed systems with high availability. - Deep experience with cloud engineering with AWS infrastructure experience. - Experience using AI to boost personal productivity, especially Anthropic Claude. - Experience with Java Spring, Python or Rust, SQL databases, ReactJS, and REST or RPC APIs. **Preferred:** - 10+ years of progressive full stack software engineering experience. - 6+ years of experience contributing to architecture and design of software systems. - AWS Certifications, such as Solutions Architect, Developer or other Associate/Professional level certifications. - Prior experience with agentic AI and agentic workflows, especially using Anthropic Claude. - Experience promoting best practices and mentoring colleagues across an organization. **You will succeed if you:** - Have a deep sense of ownership and a high level of expertise in delivering cost-effective, highly available, maintainable, technical solutions at scale. - Are passionate about software architecture, system design, and solving real customers’ needs. - Find satisfaction in boosting developer productivity with agentic workflows and optimization. - Thrive in a dynamic environment that rewards execution and delivery. - Strive for excellence in all you do and aim to continuously learn and improve as a way of life. - Want to develop amazing products in the digital assets space. **Additional Information** Tradeweb is committed to providing valuable and competitive benefits. In addition to working in our culture of inn…