Sr. Software Engineer, Machine Learning & Data Infrastructure
United States·San JoseseniorSoftware EngineerSoftware Engineering
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Quick Summary
Overview
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,
Technical Tools
Software EngineerSoftware Engineering
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 Role
~1 min readWe are looking for a seasoned engineer to build and improve the ML and data infrastructure behind our risk and fraud prevention systems. You will work hands-on to move models from experimentation into reliable production services, improve model execution performance, and develop data pipelines that support training, evaluation, and real-time decisions. You will take ownership of your work, identify improvements proactively, and deliver with limited guidance
Responsibilities
~1 min read- →Improve model inference latency, throughput, resource utilization, and cost. Profile the prediction path—from feature retrieval and preprocessing to model execution—and implement measurable improvements while preserving model quality.
- →Build and maintain infrastructure for model packaging, versioning, deployment, serving, monitoring, and rollback across cloud platforms and regions.
- →Develop and optimize offline data pipelines using Databricks, Apache Spark, and warehouse or lakehouse technologies. Address data modeling, partitioning, joins, shuffles, skew, incremental processing, and cost.
- →Work on offline and online feature pipelines, supporting point-in-time correctness, consistent feature definitions, freshness, lineage, and reproducible backfills.
- →Build and maintain reliable feature services and data integrations for risk models and decision systems.
- →Take ownership of projects and operational issues, communicate progress and tradeoffs, and collaborate with ML, data engineering, cloud infrastructure, security, and product teams.
- →Contribute to technical discussions, share knowledge, and help teammates through code reviews and collaboration.
- Experience building and operating distributed systems, ML infrastructure, or data platforms, with ownership of meaningful production components.
- Hands-on experience improving production model performance, such as latency, throughput, resource utilization, or cost.
- Strong experience with Databricks and Spark, or comparable offline data platforms, including execution plans, distributed query optimization, storage layouts, data correctness, and workload cost management.
- Experience with the model lifecycle, including training and serving integration, validation, deployment, observability, and rollback.
- Strong Python and SQL skills, plus proficiency in at least one backend or systems language such as Java, Scala, Go, or C++.
- Ability to work independently through loosely defined problems, make sound implementation decisions, and deliver maintainable systems with limited guidance.
Nice to Have
~1 min read-
SageMaker, Alibaba Cloud PAI/EAS, or comparable ML platforms.
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Inference optimization using tools such as ONNX Runtime, TensorRT, or Triton.
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Delta Lake, MLflow, feature stores, Kafka, Flink, and low-latency data stores.
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Fraud detection or financial risk systems.
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Fluency in Mandarin
What We Offer
~2 min read✓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!
Location & Eligibility
Where is the job
San Jose, United States
On-site at the office
Who can apply
US
About this job
- Pay per year
- $178,888–$268,333 a year
- 19% above the $187,268 median for Software Engineer jobs on Jobera (7,355 salaries).
- Who can apply
- United States
- Posted
- Today
Listing Details
- Posted
- November 14, 2026
- First seen
- November 14, 2026
- Last seen
- November 14, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 79%
- Scored at
- November 14, 2026
Signal breakdown
freshnesssource trustcontent trustemployer trust
OKX is a global cryptocurrency exchange and Web3 technology company, offering trading, wallet services, and access to decentralized finance. Founded in 2017, it serves millions of users in over 100 countries.
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