Principal Gen AI Developer

Description
We deliver our customers peace of mind every day by helping them protect what they value most. Our passion for placing the customer at the center of everything we do is driving a transformational shift at Liberty Mutual. Operating as a tech startup within a Fortune 100 company, we are leading a digital disruption that will redefine how people experience insurance.
At Liberty, you'll thrive in a hybrid setting that fosters in-person collaboration, innovation and growth. This approach optimizes both remote and in-person interactions, enabling you to connect and ideate with your team and deepen valuable relationships across the company, while still enjoying the flexibility of remote work for focused tasks and projects.
This role has a hybrid work schedule (2 days onsite) and we are considering candidates based in Portsmouth, NH, Boston, MA, Plano, TX, Columbus, OH, Indianapolis, IN.
Job summary:
The Personal Lines Policy team within the US Retail Markets (USRM) organization is where we design, build, and evolve modern, best-in-class Policy Platform software solutions for Personal Lines insurance products.
The team is looking to hire a Principal Gen AI Developer who will apply their talent in a hybrid agile environment that has the creative and technical passion of a start-up and the full backing and comprehensive benefits of a Fortune 100 company. This is a fast-paced role where you'll rapidly iterate and deliver on software, while bringing your talents to the table as a strategic shaper of our success. You will be working in a highly collaborative, team-oriented environment that values speed and quality, with a strong focus on driving continuous improvement.
This role is perfect for someone with a passion for cutting-edge generative AI, a strong software engineering background, and the creative spark to identify and implement novel use cases within our product. You will play a critical role in adding AI capabilities to our Insurance (Insur-Tech) API platform space. Whether it's enhancing user workflows, automating insights, or inventing entirely new product experiences, you'll have both the freedom and support to experiment and execute.
PL Products provides a uniquely rich dataset covering the full scope of a company's cloud spend. This expansive data playground offers a powerful foundation for experimentation and insight generation, enabling the development of intelligent, value-driven features.
Why Join Us?

• A fast-moving environment where innovation is encouraged
• Ownership of high-impact, user-facing features
• A collaborative team that values learning, bold thinking, and autonomy
• A fast-growing company that values its employees and promotes positivity and doing more.

About the job:

• Design, build, and deploy generative AI-powered features across our product.
• Identify opportunities for AI integration by proactively exploring use cases and user needs
• Prototype and validate new AI use cases quickly and iterate based on internal and external feedback
• Champion AI-driven transformation across teams by identifying high-impact use cases and prioritizing implementation efforts
• Create prompt libraries that support scalable communication, onboarding, success planning, and project management
• Collaborate with team leads to spot manual, repetitive processes and reimagine them with AI solutions and tooling
• Continuously test, improve, and document new AI workflows to share knowledge across the departments
• Maintain complex data integrations for our systems
• Help build a culture of AI curiosity and experimentation
• Collaborate cross-functionally with product, design, and backend teams to drive innovation from concept to production
• Stay current with the fast-moving generative AI landscape and evaluate new models, APIs, and tools (e.g., OpenAI, Anthropic, Hugging Face, AWS Bedrock, open-source LLMs).
• Live in the future and track new innovations and paradigms in this fast-evolving field, and identify opportunities to integrate them into the product
• Implement safeguards, prompt engineering techniques, and usage monitoring to ensure high-quality AI outputs
• Optimize model performance, inference time, and cost efficiency within our cloud & on-prem infrastructure

Qualifications

• Bachelor's degree in computer science, Engineering, or a related field; relevant certifications are a plus.
• Minimum 8+ years of hands-on experience in Software engineering experience.
• Minimum 3+ experience with leading projects focused on GenAI development, workflow automation, or technical operations, with demonstrated ability to lead end-to-end projects in fast-paced environments (GenAI examples - LLMs, diffusion models, multimodal models, etc.).
• Strong foundation in data structures, algorithms, and software engineering principles, with proficiency in languages like Python or Java.
• Practical experience integrating machine learning or AI capabilities into real-world systems, preferably within platform API workflows that support consumer facing UIs, and event-driven architectures that integrate with relational and NoSQL Databases.
• Strong command of generative AI platforms (OpenAI, Claude, Gemini, etc.) and the ability to build tools that serve real team needs.
• Demonstrated experience in operations and process creation, with a strong ability to identify inefficiencies and implement scalable, AI-driven solutions
• Engineering background with strong software development skills, including experience building AI-powered applications and tools.
• Fluency in Java, Python, Node.js, or similar languages used in ML and full-stack development.
• Experience with prompt engineering, fine-tuning, or embedding models using frameworks like LangChain, LlamaIndex, or similar, and the ability to design effective, context-aware prompt frameworks.
• Familiarity with Apache Kafka, Springboot, Kubernetes, AWS services and best practices, including Lambda, S3, SageMaker, ECS/EKS, Bedrock etc.
• A self-starter mindset with strong self-learning capabilities and the ability to move fast and adapt in an ever-evolving AI environment.
• Highly independent and proactive, with a strong ability to learn, execute, manage priorities and create initiatives.
• Experience with MLOps and model deployment practices (e.g., containerization, GPU inference, vector databases).
• Creativity and initiative able to pitch and prototype ideas with minimal oversight.
• Strong communication skills and the ability to explain technical concepts to non-technical stakeholders.

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.
As a purpose-driven organization, Liberty Mutual is committed to fostering an environment where employees from all backgrounds can build long and meaningful careers. Through strong relationships, comprehensive benefits and continuous learning opportunities, we seek to create an environment where employees can succeed, both professionally and personally.
At Liberty Mutual, we believe progress happens when people feel secure. By providing protection for the unexpected and delivering it with care, we help people embrace today and confidently pursue tomorrow.
We are dedicated to fostering an inclusive environment where employees from all backgrounds can build long and meaningful careers. By actively seeking employee feedback and amplifying the voices of our seven Employee Resource Groups (ERGs), which are open to all, we create an environment where every individual can make a meaningful impact so we continue to meet the evolving needs of our customers.
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://LMI.co/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 $117000.00 - $221000.00