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Added 2 mins ago
Sr Systems Integration Engineer – Radiation Producing Subsystem
x Varian Medical Systems, Inc.
United States
We seek a versatile Systems Engineer for our Linear Accelerator Systems group, supporting radiation-producing subsystems in oncology machines. Responsibilities include contributing to…
Added 3 mins ago
CO
Wastewater- Field Tech II
City of Denton
Denton, TX
- $25.78 to $41.25 USD / hour
Must have or obtain a valid Wastewater Collections Class II license from TCEQ within two (2) years of employment; and, · Must have or obtain a valid Water Class C Distribution license from TCEQ within two (2) years of employment
Added 3 mins ago
T
Value Engineering Manager
Tanium
Remote, United States
- $126,000 to $193,000 USD / year
…sales professionals. If you have experience working as a Value Engineer with a track record of successfully partnering with account teams, we would love to hear from…
Added 3 mins ago
Mission Protection Systems Engineer (OSS-SR)
Stellar Solutions Inc
Chantilly, VA
Stellar Solutions has an opportunity for a Systems Engineer located in Northern Virginia to provide Systems Engineering and Technical Advisory (SETA) services focused on protection of…
Added 4 mins ago
PSM Engineer
PPG Industries, Inc.
United States
The PSM Engineer facilitates the implementation and ongoing execution of the Oak Creek site's process safety management program. You will report to the site Project Manager and help ensure…
Added 4 mins ago
Data Engineer – Mobile Monetization – Big Data, GenAI & Mobile AdTech
PubMatic
Redwood City, CA
PubMatic is seeking for a passionate Data Engineer to join our Mobile Advertising Platform engineering team. In this role, you will build highly scalable data platforms powering Mobile…
Added 6 mins ago
SF
Assistant Chief Maintenance Officer
San Francisco Bay Area Rapid Transit District (BART)
Oakland, CA
- $94.71 to $143.48 USD / hour
…compliance, planning and executing of Capital Maintenance projects, quality assurance and warranty administration of District…
Added 9 mins ago
IC
Junior CPU Verification Engineer
Intel Corporation
TX · OR
- $91,150 to $128,690 USD / year
You must possess the below minimum qualifications to be initially considered for this position
Added 9 mins ago
IC
Substrate Packaging Research and Development Engineer
Intel Corporation
AZ
- $133,800 to $188,890 USD / year
As a Packaging Module Development Engineer, you will play a vital role in advancing Intel's semiconductor manufacturing capabilities by developing innovative packaging processes and…
Added 12 mins ago
Supervising Engineer
PPL Corporation
Louisville, KY · Lexington, KY
…technical guidance to assigned staff in support of producing high quality, timely and cost-effective solutions to technical and business objectives. The position is also accountable for the…
Added 12 mins ago
Test Engineering Intern (Summer)
REGENT
North Kingstown, RI
- Learn the Live Watch: During test events, you'll sit in the Data Room alongside a test engineer tracking real-time telemetry as the vehicle operates, learning to catch something odd in…
Added 14 mins ago
S
Deployment Engineer
Sieve
San Francisco, CA
- $150,000 to $225,000 USD / year
Sieve is a multi-modal lab curating the world's highest-quality training datasets, spanning video, audio, images, text, and 3D. We combine exabyte-scale data infrastructure and novel…
Added 16 mins ago
PM
Member of Technical Staff - Research Engineer, Post-training
Preference Model
San Francisco, CA
- $200,000 to $350,000 USD / year
- Train and evaluate models on our proprietary RL environments to validate data quality, surface gaps in task coverage, and close the feedback loop between environment design and model…
Added 17 mins ago
RU
Sr. Data Engineer (Python, Pyspark, AWS)
Randstad USA
Charlotte, NC
- $60 to $65 USD / hour
We are seeking a highly skilled Senior Data Engineer to join an innovative technology-driven team. This is an exceptional opportunity to enhance your career within the Data and Analytics…
Added 19 mins ago
SI
Software Engineering LMTS
Salesforce, Inc.
CA · IN · TX
- $172,500 to $285,800 USD / year
As a Lead Software Engineer, you will shape the technical direction of systems supporting Salesforce’s global finance operations. You will work across ERP capabilities, cloud services,…
Added 21 mins ago
Project Engineer I, Construction
Scout Clean Energy
Boulder, CO
Must have a valid current driver license and be able to travel and perform field work · Working from the Boulder office, when not traveling to a project, is required at least 3 days per week
Added 22 mins ago
PIT Operator
GXO Logistics
Carlisle, PA
Demonstrate an understanding of the Supply Chain quality policy
Added 22 mins ago
PIT Operator III
GXO Logistics
Carlisle, PA
Demonstrate an understanding of the Supply Chain quality policy
Added 24 mins ago
Engineer III - Technology
Edward Jones
Saint Louis, MO
Louis, MO home office locations are expected to work in the office four days per week."
Added 26 mins ago
Field Engineer
JDS Energy & Mining
Fairbanks, AK
JDS Energy & Mining is seeking a motivated and experienced Field Engineer (Civil) with 4–5 years of relevant experience to support field execution on active mining and construction…
Added 26 mins ago
KC
Electrical Engineering Supervisor
King County
Seattle, WA
- $77.35 to $93.51 USD / hour
…to work, reducing commuter stress, and enhancing urban air quality. By providing comfortable and effective transit services, Metro benefits thousands of commuters and residents across King…
Added 29 mins ago
SG
Supplier Quality Engineer
Smiths Group
Morton Grove, IL
- $72,500 to $90,000 USD / year
Reporting to the Operations Quality Manager, the Supplier Quality Engineer (SQE) is responsible for driving supplier quality performance, resolving quality issues, and leading continuous…
Added 31 mins ago
Machine Learning Engineer - Risk & AI
OKX
San Jose, CA
We’re looking for a Machine Learning Engineer to build models and AI tools that help detect fraud and protect users at a global crypto exchange. You’ll apply deep learning and XGBoost,…
Added 31 mins ago
Web Developer (React / WordPress - In-Office Philadelphia Suburbs)
Nexvel
Elkins Park, PA
…someone who can think like an architect, solve problems like an engineer, and adapt quickly as the tech evolves. You’ll work primarily on the front end using React, WordPress, and headless…
Added 32 mins ago
Principal Manufacturing Engineer
Nextern
Maple Grove, MN
We are seeking an experienced Manufacturing Engineer with a strong background in medical device production to join our dynamic manufacturing team. This role requires a versatile…

OKX

Machine Learning Engineer - Risk & AI

San Jose, CA, United States

The salary range for this position is $214,666 to $321,999

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Job details

Pay: The salary range for this position is $214,666 to $321,999
Posting language: English
Posted: Nov 10, 2026

Original job description

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.

About the Opportunity

Building machine learning systems for risk at a global crypto exchange is fundamentally different from conventional ML engineering. The data spans on-chain activity, fiat deposits and withdrawals, trading behaviour, account access patterns, device intelligence, identity information, and customer interactions - signals that very few organizations can analyze together.

The problems are complex, adversarial, and constantly evolving. Models must identify emerging fraud patterns, scams, account takeovers, payment abuse, and other forms of financial risk while minimizing disruption to legitimate customers. Success is not measured only through offline model metrics. It is measured through prevented losses, improved approval rates, reduced false positives, faster investigations, and more reliable customer experience.

This role sits within a multidisciplinary risk team of machine learning engineers, data scientists, risk strategy specialists, analytics engineers, product managers, and operations teams. You will work across the full ML lifecycle - from problem formulation, feature engineering, and model development to real-time deployment, monitoring, experimentation, and continuous iteration.

You will also help shape how AI is used across the risk organization. LLM-assisted development, automated model workflows, AI-powered investigations, and intelligent review agents are part of the team’s daily work. We are looking for engineers who already use these tools effectively and can help establish safe, scalable, and production-ready AI practices.

What You’ll Be Doing

We’re looking for a Machine Learning Engineer to build models and AI tools that help detect fraud and protect users at a global crypto exchange. You’ll apply deep learning and XGBoost, develop practical AI agents, and use AI coding tools in your daily work.

• Build, evaluate, and deploy machine learning models for fraud and risk detection.

• Improve data quality, features, and model performance, balancing fraud detection with customer experience.

• Develop AI agents to support investigations, summarize cases, retrieve evidence, and automate routine workflows.

• Use AI coding tools to accelerate development, testing, and debugging while reviewing and validating their output.

• Work with engineering, product, and risk teams to deploy solutions and monitor their impact.

What We Look For In You

• A strong foundation in machine learning, with hands-on experience in deep learning and tree-based models such as XGBoost or LightGBM.

• Strong Python skills and experience training, evaluating, and deploying models.

• Some practical experience building AI agents or LLM applications, including tool calling, retrieval, or workflow automation. Prototypes and personal projects are welcome.

• Regular use of AI coding tools, with the ability to understand, test, and improve generated code.

• Familiarity with databases and data pipelines for preparing training data and supporting ML workflows.

• Good problem-solving, communication, and collaboration skills.

Nice to Haves

• Experience in account takeover (ATO), scam detection, or other fraud and risk use cases.

• Experience with LLM training, fine-tuning, evaluation, and alignment.

• Experience with reinforcement learning algorithms and their practical implementation.

• Experience with real-time ML systems, imbalanced datasets, or model explainability.

• Prior fraud or risk experience is helpful

• Fluency in Mandarin

Perks & Benefits

• Competitive total compensation package

• L&D programs for employees' growth and development

• Various team building programs and company events

• Wellness and meal allowances

• Comprehensive healthcare schemes for employees and dependants

• More that we love to tell you along the process!

OKX Statement:

OKX is committed to equal employment opportunities regardless of race, color, genetic information, creed, religion, sex, sexual orientation, gender identity, lawful alien status, national origin, age, marital status, and non-job related physical or mental disability, or protected veteran status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

The salary range for this position is $214,666 to $321,999

The salary offered depends on a variety of factors, including job-related knowledge, skills, experience, and market location. In addition to the salary, a performance bonus and long-term incentives may be provided as part of the compensation package, as well as a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via OKX internal or external careers site.

Notice:

All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website.

Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX's Candidate Privacy Notice.

Apply on job-boards.greenhouse.io About employer

More about this job

Skills

Machine learning
ML
Customer experience
Deep learning
XGBoost
Fraud detection
Debugging
Python
Problem solving
Communication skills
Collaboration

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Jobs in the United States