Job Description
Principal Front Office Engineer Investment Innovation Integration & Trading
We are seeking a highly skilled and motivated Principal Front-Office Engineer to join our prestigious investment firm. 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.
Note: This Boston-based role has a hybrid work arrangement (3 days per week in office).
Qualifications
- 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 and robust 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 (such as 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 that showcase a deep understanding of quantitative techniques methods statistics and econometrics
About Us
Pay Philosophy: The typical starting salary range for this role is determined by a number of factors including skills experience education certifications and location. The full salary range for this role reflects the competitive labor market value for all employees in these positions across the national market and provides an opportunity to progress as employees grow and develop within the role. Some roles at Liberty Mutual have a corresponding compensation plan which may include commission and/or bonus earnings at rates that vary based on multiple factors set forth in the compensation plan for the role.
At Liberty Mutual our goal is to create a workplace where everyone feels valued supported and can thrive. We build an environment that welcomes a wide range of perspectives and experiences with inclusion embedded in every aspect of our culture and reflected in everyday interactions. This comes to life through comprehensive benefits workplace flexibility professional development opportunities and a host of opportunities provided through our Employee Resource Groups. Each employee plays a role in creating our inclusive culture which supports every individual to do their best work. Together we cultivate a community where everyone can make a meaningful impact for our business our customers and the communities we serve.
We value your hard work integrity and commitment to make things better and we put people first by offering you benefits that support your life and well-being. To learn more about our benefit offerings please visit: https://www.libertymutualgroup.com/about-lm/careers/benefits
Liberty Mutual is an equal opportunity employer. We will not tolerate discrimination on the basis of race color national origin sex sexual orientation gender identity religion age disability veteran's status pregnancy genetic information or on any basis prohibited by federal state or local law.
Fair Chance Notices
- California
- Los Angeles Incorporated
- Los Angeles Unincorporated
- Philadelphia
- San Francisco
USD $128000.00 - $225000.00
Skills Required
- Excellent problem-solving skills ability to think critically and work independently
- Effective communication skills to articulate complex ideas to technical and non-technical stakeholders
- Strong attention to detail organization and ability to manage multiple priorities in a fast-paced environment
- Full-stack development knowledge with a minimum of 8 years professional experience programming in Python
- Experience with key Python libraries (pandas NumPy)
- Experience in front-end development and user experience (UX) design
- Experience using Version Control (Git)
- Experience using Agentic Programming tools (GitHub Copilot Claude)
- Demonstrated ability to partner with business teams to convert AI-generated artifacts into production-ready applications
- Proven ability to design build and scale application systems in data-rich environments including custom AI tools
- Strong SQL skills
- Solid understanding of financial markets including fixed income private equity and private credit
- Practical experience developing and maintaining models tools and reports demonstrating quantitative techniques statistics and econometrics
- Hands-on experience developing within Bloomberg's BQuant environment
- Experience writing and maintaining BQL queries leveraging PyBQL and working with the Bloomberg data ecosystem
- Experience with Pythonic front-end and data visualization libraries (e.g. Plotly Dash)
- Experience bridging rapid AI-developed prototypes to production-ready full-stack applications
- Experience developing applications for investment management firms or financial services
- Familiarity with financial data platforms (Bloomberg FactSet Aladdin eFront Moodys)
- Experience with statistical and time-series analysis libraries (Scikit-Learn SciPy cvxpy)
What the Team is Saying









Liberty Mutual Insurance Compensation & Benefits Highlights
- Parental & Family Support—Paid bonding leave is 8 weeks for all new parents with birth parents receiving an additional 8 weeks via short-term disability for up to 16 weeks at 100% pay. Family-building support includes up to $40000 for adoption/surrogacy and fertility benefits up to $50000 medical and $25000 pharmacy.
- Retirement Support—A 401(k) program features matching that can include 100% up to 5% per pay period plus an additional 3% annual match and student-loan payments can be matched like 401(k) contributions. Company filings also indicate defined‑benefit pension coverage for certain U.S. employees with eligibility varying by group.
- Wellbeing & Lifestyle Benefits—Comprehensive medical dental vision disability and life insurance are paired with mental-health resources such as an EAP and free therapy sessions with onsite health centers in Boston and Plano. Tuition support (100% for approved undergraduate coursework; up to $6000/year for graduate) further supports overall well-being and development.
Liberty Mutual Insurance Insights
What We Do
Liberty Mutual Insurance exists to help people embrace today and confidently pursue tomorrow. A Fortune 100 company and global leader in property and casualty insurance we’ve spent over a century creating innovative products services and technologies to meet the world’s ever-changing needs and make a difference for our customers and communities.
Why Work With Us
We offer the agility work flexibility project ownership and access to emerging tech you’d expect from a start-up — combined with the stability resources and benefits that come from working at a leading Fortune 100 company. All in a welcoming inclusive environment that values the unique insights perspectives and backgrounds of each person.
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Employees engage in a combination of remote and on-site work.
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Date Posted
07/06/2026
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