Key Facts

Remote From:

Canada

Full time

120 - 140K yearly

English

Hard Skills

Other Skills

•
Systems Thinking
•
Collaboration
•
Problem Solving

Roles & Responsibilities

5+ years of professional experience in data science or machine learning (advanced graduate research may substitute).
Strong Python proficiency from a functional programming perspective, including dependency management, virtual environments, and git version control with GitFlow; experience on Azure and Databricks using foundation model APIs.
Proven experience designing and implementing solutions with foundation models (prompt engineering, output validation) and delivering production-grade solutions end-to-end; solid ML fundamentals and statistical methods.
Excellent collaboration and communication skills, with ability to convey statistical performance and business considerations; insurance-domain document processing experience preferred.

Requirements:

Collaborate with scientists, engineers, and technical product owners to design and deliver technical solutions.
Deliver production-grade solutions for data extraction, classification, routing, search, and decision-making using foundation models.
Engineer and evaluate foundation model prompts across domain datasets and design comprehensive evaluation frameworks with metrics such as precision, recall, F1-score, and operational metrics.
Own documentation and mentor junior team members; decompose complex problems into measurable components, optimize across dimensions, and articulate trade-offs.

Arch Capital Group Ltd.

Insurance

About Arch Capital Group Ltd.

Arch is a leading global insurer with operations in more than a dozen countries. We write insurance, reinsurance and mortgage insurance on a worldwide basis, with corporate headquarters in Bermuda. Our customers value us as an innovative partner and dependable risk manager with decades of fresh ideas and solid results. Since our formation in 2001, Arch has grown organically, by building capacity in diverse lines of insurance, and through targeted acquisitions of businesses that enhance our offerings and fit our culture. We see our employees as our greatest asset and we’re deeply committed to doing what’s right for our people and the communities where we live and work. That’s why we offer what matters to our expanding, diversifying team — from a collaborative and creative environment, to professional growth opportunities and forums to advocate for one another and spark change. As a corporation, we support initiatives to improve housing, education and equity around the world. At the same time, we encourage our employees to give to the causes that matter to them by providing Volunteer Time Off and Matching Gifts programs. Whether you’re looking for an insurance solution, a place to grow your career or simply to better understand what we offer our shareholders, we’re glad you’re here. ATTENTION JOB SEEKERS Arch Capital Group Ltd. (Arch) and its affiliates take your interest in working here very seriously. If you receive a communication or email, please be vigilant to fraudulent activity asking you to submit any personal information. DO NOT send money or share any details with someone suggesting they can provide employment with Arch. Your information should only be entered into our official job portal. Please know the following about our interviewing and hiring practices: We never make job offers without a formal interview process. We never ask you to send money of any kind.

Company type: Large

Industry: Insurance

Founded: 2018

Company size: 5001 - 10000

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Job description

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility℠.

Position Summary

The ideal Senior Data Scientist delivers production-quality solutions for insurance business problems using foundation models and data science fundamentals. They take initiative, own their work from problem definition through deployment, and proactively communicate progress, blockers, and considerations with the team and leadership. They excel at systems thinking-decomposing complex problems, designing measurement frameworks, and optimizing across multiple dimensions. They work in Azure/Databricks using Python with git version control and produce maintainable code with strong documentation.

Responsibilities and Accountabilities

Collaborate with scientists, engineers, and technical product owners to create technical solutions

Deliver production solutions for data extraction, classification, routing, search, and decision-making using foundation models

Manipulate and analyze data programmatically, derive statistically sound insights, and communicate findings that address technical and business considerations

Engineer and evaluate foundation model prompts systematically across domain datasets

Design comprehensive evaluation frameworks using precision, recall, F-1 scores, accuracy, and operational metrics

Own documentation and mentor junior team members through systematic problem-solving approaches

Decompose complex problems into measurable components, optimize across multiple dimensions, and articulate trade-offs

Required Skills and Abilities

Strong Python proficiency from a functional programming paradigm, including dependency management, virtual environments, and git version control following git flow practices

Proven experience with cloud platforms like Azure and Databricks using foundation model APIs (OpenAI, Anthropic, Google, etc.)

Deep familiarity with ML fundamentals (supervised/unsupervised learning, evaluation metrics, model validation) and statistical methods

Experience designing and implementing solutions with foundation models, including prompt engineering and output validation

Proven capability to deliver solutions from inception through production with variable autonomy, iteratively refining through diagnosis, hypothesis testing, and systematic improvement

5+ years of relevant professional experience in data science, machine learning, or related fields; advanced graduate research or academic work may substitute for professional experience
Strong collaboration skills, capable of conveying statistical performance and business considerations and proactively surface issues to keep technical personas informed

Desired Skills and Abilities

Insurance industry experience with document processing

Experience with agent frameworks (LangChain, LlamaIndex), multi-agent orchestration, RAG systems, or vector databases

Education and Experience

Experience with production ML monitoring, experimental design, self-healing systems, or automated optimization
Graduate degree in quantitative field with strong systems thinking emphasis (Computer Science, Statistics, Economics, Physics, Mathematics, Operations Research, Computational Linguistics)

#LI-LH1

#LI-REMOTE

For individuals assigned or hired to work in the location(s) indicated below, the base salary range is provided. Range is as of the time of posting. Position is incentive eligible.

$120,000 - $140,000 CAN/year

Total individual compensation (base salary, short & long-term incentives) offered will take into account a number of factors including but not limited to geographic location, scope & responsibilities of the role, qualifications, talent availability & specialization as well as business needs. The above pay range may be modified in the future.
Arch is committed to helping employees succeed through our comprehensive benefits package that includes medical plus dental, vision and prescription drug coverage; a competitive retirement plan with generous matching; Vacation plus 4 Lieu Days per year; up to 12 paid company holidays per year plus 2 paid days of Volunteer Time Off plus 8 Sick Days per year; basic Life and AD&D Insurance as well as Short and Long-Term Disability; Maternity Leave top up of up to 18 weeks and Parental leave top up of 6 weeks; and Tuition Reimbursement.

Do you like solving complex business problems, working with talented colleagues and have an innovative mindset? Arch may be a great fit for you. If this job isn’t the right fit but you’re interested in working for Arch, create a job alert! Simply create an account and opt in to receive emails when we have job openings that meet your criteria. Join our talent community to share your preferences directly with Arch’s Talent Acquisition team.

10200 Arch Capital Services LLC

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