InternFlow

Greenhouse ·

full-time

Staff+ Software Engineer, Account Abuse (machine Learning)

Anthropic · San Francisco, CA | New York City, NY

Anthropic is an AI research and safety company focused on developing reliable, interpretable, and steerable artificial intelligence systems. The Account Abuse team is responsible for protecting the company's computing resources by identifying and mitigating malicious activity. As a Staff+ Software Engineer in this domain, you will design and implement machine learning systems to detect and prevent fraud at scale. The role involves building feature computation platforms, training and deploying models on structured behavioral data, and automating the model development lifecycle. You will work closely with data scientists and policy teams to ensure high precision in detection, minimizing false positives that could impact legitimate users. The position requires a strong background in productionizing machine learning models, managing data pipelines, and implementing robust backtesting and rollout strategies. This role is well-suited for experienced engineers who have a track record of shipping production-grade ML systems in high-stakes environments like fraud or risk detection, and who possess the ability to anticipate and counter adversarial behavior.

machine learningfraud detectionsoftware engineeringdata pipelinesmodel deploymentadversarial machine learningfeature engineeringpythonsql

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role The Account Abuse team is tasked with ensuring Anthropic's computing capacity is allocated fairly, minimizing resources available to bad actors and preventing them from coming back. As a software engineer on this team, you will build the machine learning systems that help us detect and stop abuse at scale. The ideal candidate can see things from opponents' perspectives, understand their means and motives, and anticipate their responses to countermeasures. We're looking for full stack machine learning engineers with experience across model training, productionization, and evaluation. You'll also look for ways to use Claude to speed up how these models get built and maintained. This is classical ML on structured and behavioral data. You do not need a deep learning background or knowledge of LLM internals. What matters is that you have trained and shipped models where the stakes are real, and that you care about building robust production systems as much as the model itself. A false positive here is a legitimate customer locked out, so measurement, precision, and safe rollout are part of the job. Key responsibilities Build and operate a feature computation platform that serves both model training and real-time scoring, with point-in-time correct training data and low-latency online retrieval Train, evaluate, and deploy models that detect account-level abuse and fraud, running them both offline and online Build tooling that automates more of the model development lifecycle, including using Claude to speed up feature development, training, and evaluation Make backtesting, shadow deployment, and staged rollout the default path to production, with monitoring for training / serving skew, drift, and adversarial adaptation Work with our data scientists and our Policy & Enforcement team to improve label coverage and quality Partner with product and platform teams to gather signals and integrate model decisions with minimal impact on their systems' latency, stability, or overall architecture Minimum qualifications Proficiency in Python and SQL Experience training machine learning models and deploying them to production Experience building data pipelines with a batch processing engine (e.g., Spark, Beam) and a workflow scheduler (e.g., Airflow) Working understanding of point-in-time correctness and training / serving skew, and how to prevent both Strong communication skills and ability to explain technical tradeoffs to non-technical stakeholders Preferred qualifications Experience building or operating a feature platform such as Chronon, Feast, or Tecton Experience with stream processing engines such as Flink, Beam / Dataflow, or Kafka Streams Experience training ML models in a production setting with demanding serving requirements, such as fraud, risk, or ranking Experience with tree-based models on tabular data Experience building unsupervised, clustering-based or graph-based detection systems to surface coordinated account abuse Experience in integrity, spam, fraud, or abuse detection Experience working with scarce, delayed, or noisy labels Experience with AutoML or other approaches to automating the ML workflow Care about the societal impacts of AI and want your work to make powerful systems safer The annual compensation range for this role is listed below. For sales roles, the range provided is the role’s On Target Earnings ("OTE") range, meaning that the range includes both the sales commissions/sales bonuses target and annual base salary for the role. Annual Salary: $320,000 — $485,000 USD Logistics Minimum education: Bachelor’s degree or an equivalent combination of education, training, and/or experience Required field of study: A field relevant to the role as demonstrated through coursework, training, or professional experience Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the position Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices. Visa sponsorship: We do sponsor visas! However, we aren't able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this. We encourage you to apply even if you do not believe you meet every single qualification. Not all strong candidates will meet every single qualification as listed. Research shows that people who identify as being from underrepresented groups are more prone to experiencing imposte

RoleStaff+ Software Engineer, Account Abuse (machine Learning)
CompanyAnthropic
LocationSan Francisco, CA | New York City, NY
CompensationNot disclosed
Posted2026-09-29
DeadlineRolling

Typical process for this type of role

A general guide — the exact steps for this specific listing may vary; check the original posting for details.

  1. 1ApplicationSubmit your resume through the apply link.
  2. 2ScreeningRecruiter reviews your background against the role.
  3. 3AssessmentA technical test, assignment, or coding round, depending on the role.
  4. 4Interview(s)One or more rounds with the hiring team.
  5. 5OfferOffer letter with compensation and start date.

Before you apply

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Staff+ Software Engineer, Account Abuse (machine Learning) at Anthropic: frequently asked questions

What is the salary for this role?
Anthropic has not stated compensation in the listing. Check the original posting or ask during the application process.
Is the Staff+ Software Engineer, Account Abuse (machine Learning) position remote, hybrid or onsite?
The listing gives San Francisco, CA | New York City, NY as the location and does not state a work mode.
What is the application deadline?
Anthropic has not listed a fixed deadline, so apply early in case the opening is filled.
How do I apply for the Staff+ Software Engineer, Account Abuse (machine Learning) role?
Use the Apply button on this page. It opens the original listing on job-boards.greenhouse.io, where you submit your application with the company.

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