Sr./Staff Data Scientist

Posted 4 Hours Ago
Be an Early Applicant
2 Locations
Remote
175K-250K Annually
Senior level
Artificial Intelligence • Fintech • Software • Financial Services
The Role
Develop and optimize machine learning and statistical models for fraud detection and anti-money laundering. Analyze large datasets to identify fraudulent patterns, build scalable data pipelines and features, evaluate model performance, and collaborate with engineering, product, and operations teams. Communicate insights to technical and non-technical stakeholders while maintaining data privacy and security compliance. The role offers significant ownership in building Oscilar’s early machine learning stack within a remote-first startup.
Summary Generated by Built In

Shape the future of trust in the age of AI
At Oscilar, we're building the most advanced AI Risk Decisioning™ Platform. Banks, fintechs, and digitally native organizations rely on us to manage their fraud, credit, and compliance risk with the power of AI. If you're passionate about solving complex problems and making the internet safer for everyone, this is your place.

Why join us:

  • Mission-driven teams: Work alongside industry veterans from Meta, Uber, Citi, and Confluent, all united by a shared goal to make the digital world safer.

  • Ownership and impact: We believe in extreme ownership. You'll be empowered to take responsibility, move fast, and make decisions that drive our mission forward.

  • Innovate at the cutting edge: Your work will shape how modern finance detects fraud and manages risk.

Job Description

As a Data Scientist at Oscilar, you will be responsible for developing and implementing advanced fraud detection models to protect our customers’ business from fraudulent activities. As an early member in the ML team you will have great impact in building out our ML stack.

Responsibilities:
  • Develop and implement advanced fraud detection models, leveraging machine learning and statistical techniques, to identify and prevent fraudulent activities across our platform.

  • Collaborate with cross-functional teams, including engineering, product, and operations, to design and implement fraud detection systems and processes.

  • Analyze large volumes of data to identify patterns, trends, and anomalies indicative of fraudulent behavior, and develop data-driven insights to improve fraud prevention strategies.

  • Evaluate the performance of existing fraud detection models and systems, and continuously optimize and update them to adapt to changing fraud trends and tactics.

  • Stay up-to-date with the latest trends and advancements in fraud detection, data science, and machine learning, and apply this knowledge to enhance our fraud prevention capabilities.

  • Communicate complex data analysis and model performance results to both technical and non-technical stakeholders, driving data-driven decision-making across the organization.

  • Ensure data privacy and security compliance in all aspects of fraud detection and data analysis.

Requirements:
  • 3+ years of experience in data science, machine learning, or a related field, with a focus on fraud prevention and/or anti-money laundering.

  • Proficiency in Python.

  • Fluency in cloud development (AWS, GCP, Azure, etc.) and MLOps is a plus.

  • Strong knowledge of machine learning algorithms and statistical techniques, with a focus on their application in fraud detection.

  • Experience working with large datasets using distributed systems like Apache Spark and Dask, handling data-related challenges such as data cleaning, data quality, and data transformation and feature engineering at scale.

  • Excellent analytical and problem-solving skills, with the ability to derive actionable insights from complex data.

  • Strong communication skills, with the ability to explain complex concepts and findings to both technical and non-technical audiences.

  • Ability to work independently and collaboratively in a fast-paced, dynamic startup environment.

Preferred Qualifications:
  • Experience in the fintech, marketplaces, or financial services industry.

  • Knowledge of current fraud tactics and trends, as well as experience with fraud detection tools and systems.

Benefits
  • Compensation: Competitive salary and equity packages, including a 401k

  • Flexibility: Remote-first culture — work from anywhere

  • Health: 100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)

  • Balance: Unlimited PTO policy

  • Technical: AI First company; both Co-Founders are engineers at heart; and over 50% of the company is Engineering and Product

  • Culture: Family-Friendly environment; Regular team events and offsites

  • Development: Unparalleled learning and professional development opportunities

  • Impact: Making the internet safer by protecting online transactions

Skills Required

  • 3+ years of experience in data science, machine learning, or a related field, focused on fraud prevention and/or anti-money laundering
  • Proficiency in Python
  • Strong knowledge of machine learning algorithms and statistical techniques applied to fraud detection
  • Experience working with large datasets using distributed systems such as Apache Spark and Dask
  • Experience with data cleaning, data quality, data transformation, and feature engineering at scale
  • Strong analytical and problem-solving skills
  • Strong communication skills for explaining complex concepts to technical and non-technical audiences
  • Ability to work independently and collaboratively in a fast-paced startup environment
  • Fluency in cloud development and MLOps
  • Experience in fintech, marketplaces, or financial services
  • Knowledge of current fraud tactics and trends and experience with fraud detection tools and systems
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The Company
HQ: Palo Alto, CA
104 Employees
Year Founded: 2021

What We Do

Oscilar is the leading provider of AI-native risk intelligence for financial institutions. Based in Palo Alto, California, Oscilar powers real-time risk decisioning across fraud, credit, and compliance through a single, unified solution. Our no-code AI Risk Decisioning™ platform leverages agentic AI and advanced signal processing to analyze complex data, detect anomalies, and automate mission-critical decisions with speed and precision. Built by the team behind risk systems at Google, Meta, Uber, Citi, and J.P. Morgan, Oscilar combines deep technical expertise with cloud-native architecture to deliver scalability, transparency, and regulatory-grade performance. Oscilar empowers banks, fintechs, and digital asset services to navigate complex risk landscapes and grow with confidence in an AI-activated world.

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