Fidelity Investments · 1 day ago
Principal Data Scientist
Boston, MA
Full-time
Hybrid
Senior Level, Lead/Staff
$126K/yr - $255K/yrFidelity Investments is a leading financial services company that is leveraging artificial intelligence to transform customer experiences. As a Principal Data Scientist, you will lead the design and development of AI capabilities, mentor other engineers, and collaborate with business partners to deliver innovative solutions that drive customer and business value.
Asset ManagementFinanceFinancial ServicesRetirementWealth Management
Responsibilities
Help shape the next generation of AI at Fidelity, designing and building critical AI capabilities and services that will benefit institutional and retail clients for years to come
Engage directly with business partners to navigate the complexities of artificial intelligence, advanced analytics, and machine learning, delivering scalable, production-ready solutions that drive customer and business value
Be a hands-on technical leader and mentor, guiding standard processes across NLP, speech analytics, and generative AI model development
Join a team passionate about innovation, working with modern cloud and open-source technologies while solving some of the financial industry’s most exciting data challenges
Research, develop, and scale sophisticated AI algorithms, models, frameworks, platforms, and technologies that transform customer experiences and drive measurable business outcomes
Play a vital technical leadership role: mentoring and uplifting other engineers, building collaborative partnerships, and setting the tone for quality and innovation
Combine expert open-source AI/ML modeling with hands-on technical experience to build algorithms, models and, occasionally, applications that surface insights and deliver value
Qualification
Required
Advanced degree or equivalent experience (Master's or PhD) in Computer Science, Machine Learning, Data Science, Engineering, or a related field, or equivalent practical experience
Experience designing, building, and deploying AI/ML models in production environments, with deep understanding of MLOps standards (scalable architectures, reproducibility, monitoring, CI/CD, and compliance)
Extensive hands-on expertise with Natural Language Processing (NLP) and computational linguistics, including entity recognition, text summarization, and conversational analytics
Programming in Python (primary), with experience in modern ML libraries (PyTorch, transformers, etc.)
Cloud-based workflows (AWS SageMaker, Bedrock, Athena, Snowflake)
RAG pipelines for retrieval-augmented generation, enabling context-aware responses and integration of external knowledge sources
Demonstrated technical leadership: mentoring and upskilling data scientists, conducting peer code/design reviews, driving architectural decisions, and championing engineering excellence
Ability to communicate complex technical topics clearly and persuasively to both technical and non-technical partners (including strong technical writing/documentation skills)
Experience working with audio data pipelines, speech recognition (ASR), audio-to-audio processing, and conversational AI (including dialogue systems, call transcription, or voice assistants)
Experience with modern real-time and streaming data technologies (such as Apache Kafka, AWS Kinesis, Apache Pulsar, or cloud-native event streaming platforms)
Hands-on CUDA/GPU optimization experience for accelerating AI/ML workloads
Ability to decompose research or tactical deliverables into modular, reusable, strategic capabilities/services
Excellent communication and presentation skills while being comfortable collaborating in team settings
Benefits
Comprehensive health care coverage and emotional well-being support
Market-leading retirement
Generous paid time off and parental leave
Charitable giving employee match program
Educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career
Company
Fidelity Investments
Fidelity’s mission is to strengthen the financial well-being of our customers and deliver better outcomes for the clients and businesses we serve.
Founded in 1946
10001+ employees
H1B Sponsorship
Fidelity Investments has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (8)
2023 (4)
2022 (6)
2021 (8)
2020 (30)
Funding
Current Stage
Late StageTotal Funding
$152.82MKey Investors
Apple
2020-12-28Secondary Market· $2.5M
2018-01-14Secondary Market· $1M
2017-05-03Secondary Market· $12.5M
Leadership Team
Abigail Johnson
Chairman & CEO
Jeanmarie Ward
Senior Vice President of Architecture
Recent News
2026-01-08
2026-01-08
Company data provided by crunchbase