> Markdown version of [/jobs/ext/4169480-principal-front-office-engineer](https://www.wearedevelopers.com/jobs/ext/4169480-principal-front-office-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Front-Office Engineer - **Company:** Liberty Mutual Group Asset Management Inc. - **Location:** Boston, MA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** FactSet, Artificial Intelligence, Data Visualization, Database Queries, Programming Tools, Python (Programming Language), NumPy, SciPy, Data Processing, GitHub Copilot, Agentic-AI, Git, Pandas, Scikit Learn, Plotly, Front End Software Development, Claude, Software Version Control - **Published:** October 31, 2026 - **Apply:** https://www.themuse.com/jobs/libertymutualinsurance/principal-front-office-engineer-investment-innovation-integration-trading-cf8bb9 ## About the Role * Excellent problem-solving skills, with the ability to think critically, independently, and act with minimal handholding. * Effective communication skills, with the ability to clearly articulate complex ideas and analysis to both technical and non-technical stakeholders. * Strong attention to detail, organization, and the ability to manage multiple tasks and priorities in a fast-paced environment. * Full-stack development knowledge with a minimum of 8 years professional experience programming in Python demonstrating the ability to write efficient androbust code able to process and analyze large financial datasets. * Experience with key Python Libraries (pandas, NumPy) required * Hands-on experience developing within Bloomberg's BQuant environment is strongly preferred. * Experience writing and maintaining BQL queries, leveraging PyBQL and working with the Bloomberg data ecosystem is strongly preferred * Experience in front-end development and user experience (UX) design required; experience with Pythonic front-end and data visualization libraries (e.g., Plotly, Dash) preferred. * Experience using Version Control (Git) required. * Experience using Agentic Programming tools (Github Copilot, Claude) required. * Demonstrated ability to partner with business teams to convert AI-generated artifacts (e.g., prototypes, proofs of concept) into production-ready applications. * Experience bridging the gap between rapid AI-developed prototypes to quality full-stack applications is highly valued. * Proven ability to design, build, and scale application systems in data-rich environments including custom AI tools. * Experience developing applications for investment management firms or, more broadly, financial services is a strong plus. * Strong SQL skills required. Familiarity with financial data platforms (sucas Bloomberg, FactSet, Aladdin, eFront, Moodys), financial databases, and data manipulation techniques strongly preferred. * Experience with statistical and time-series data analysis using pythonic libraries (such as Scikit-Learn, SciPy, cvxpy) is preferred. * Solid understanding of financial markets, with foundational knowledge across fixed income, private equity, and private credit investment domains. * Practical experience in developing and maintaining models, tools, and reports thatshowcase a deep understanding of quantitative techniques, methods, statistics and econometrics Education * A Bachelor's or Master's degree in a technical or business discipline, or equivalent experience ## Description We are seeking a highly skilled and motivated Principal Front-Office Engineer to join Liberty Mutual Investments Technology. As a Principal Front-Office Engineer, you will serve as the technical lead embedded within the Investment Innovation, Integration & Trading (I3T) team, driving design and implementation of small-scale proofs of concept and prototypes that support the fixed income portfolio, improve investment analysis, develop AI-enabled workflows, and enhance reporting systems & processes. You will partner closely with analysts and investment teams to enhance their day-to-day use of AI, helping them build artifacts in a more technically sound manner and building robust systems and tools that scale those prototypes into production-ready applications. We're looking for a hands-on software architect and builder who can design systems, rapidly iterate on them, and deliver quality solutions that power analytics, reporting, and investment decision-making., This role is ideal for a Lead or Senior Engineer who thrives as an individual contributor and wants to drive technical direction without moving into management.