Lead design and hands-on development of low-latency real-time trading and market-data platforms for public markets. Architect event-driven API-first systems embed CI/CD observability and responsible AI practices collaborate with product and enterprise teams and mentor engineers to deliver resilient cloud-native solutions.

Description
Liberty Mutual Investments manages Liberty Mutual Insurance Group's global financial assets across public and private domains to create capital and generate income. With over $100 billion in AUM and staffed with 300+ investment finance and operations professionals located in Boston MA. Liberty Mutual Investments offers the best of both worlds; the look and feel of a boutique investment firm and the reputation and financial strength of a Fortune 100 company.
Note: This role has a hybrid work arrangement (2 -3 days per week in our Boston office).
The Principal Full Stack Software Engineer for the Public Markets Agile Squad will:
- Provide hands-on technical leadership designing and building real-time high-throughput trading and market data platforms for Global Liquid Markets.
- Partner closely with Product Owners business stakeholders and Solution Engineers to co-create solution designs that balance speed resilience security and enterprise quality.
- Serve as the technical authority on the squad guiding architecture decisions setting engineering standards and ensuring alignment with Public Markets and enterprise technology strategy.
- Design clean evolvable architectures for low-latency event-driven and API-first systems supporting institutional trading workflows.
- Embed modern software engineering practices including CI/CD automated testing observability and responsible use of AI across the SDLC to improve developer productivity and system quality.
- Lead design reviews produce clear architectural artifacts and articulate technical trade-offs to both technical and non-technical audiences.
- Collaborate across squads and enterprise architecture to deliver integrated solutions while avoiding local optimization.
- Mentor and develop engineers through code reviews pairing and coaching setting a high bar for engineering excellence.
Qualifications
Experience
- 8+ years of software engineering experience in an agile environment
- Prior experience building real-time trading execution order management or market data systems for institutional investors strongly preferred.
- Deep understanding of distributed systems low-latency architectures and resilient fault-tolerant design.
- Proven experience working in fast-paced regulated financial services environments.
Skills
- Strong proficiency in Python and modern backend development; experience with cloud-native architectures on AWS (e.g. Lambda Fargate Step Functions).
- Experience designing and consuming REST and event-driven APIs; familiarity with data platforms such as Snowflake and ingestion pipelines.
- Practical experience applying AI-assisted tools in the SDLC (e.g. code generation test creation observability or productivity tooling).
- Excellent communication facilitation and influence skills.
Knowledge
- Deep knowledge of software architecture patterns security and privacy controls and enterprise engineering practices.
- Strong grasp of agile delivery backlog management and incremental value delivery.
Education
A Bachelor's or Master's degree in Computer Science Engineering or equivalent practical experience.
Highly Desirable: CFA or Progress towards CFA
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