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Mechanical Engineer III - Design
Voyager Technologies, Inc.
Remote, United States
The future belongs to those who build it. At Voyager Technologies, we’re building technologies that protect lives, expand frontiers and prepare us for what’s next. And we’re doing that with…
Added 2 mins ago
Systems Engineer II
Rocket Lab Corporation
Long Beach, CA
Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity’s reach to the Moon, Mars, and…
Added 3 mins ago
Applied AI Engineer, People
Atomic Machines
or Santa Clara, CA
This role reports to the Head of Strategic Growth and can be full-time or contract. You’ll be the first engineer embedded in our People team, working directly with leadership and building…
Added 4 mins ago
Sr. Optical Safety Engineer
Apple
Cupertino, CA
We are seeking a technically rigorous and collaborative optical safety engineer to serve as the Directly Responsible Individual (DRI) for laser and LED product safety. This role sits at the…
Added 4 mins ago
ML Data Operations Engineer, AI-Assisted Annotation
Apple
San Diego, CA
…and users around the world. We're looking for an operations engineer who will own annotation projects from the first request to delivered data. That includes a growing set of AI-assisted…
Added 4 mins ago
CV/ML Generalist Engineer
Apple
Sunnyvale, CA
Apple is looking for a creative, versatile Computer Vision and Machine Learning (CVML) Generalist Engineer to join a team of leading researchers and engineers. The team builds generative…
Added 4 mins ago
Senior CV/ML Generalist Engineer
Apple
Sunnyvale, CA
Apple is looking for a creative, versatile Senior Computer Vision and Machine Learning (CVML) Generalist Engineer to join a team of leading researchers and engineers. The team builds…
Added 6 mins ago
Staff Facilities Mechanical Engineer
STERIS Corporation
Sanford, NC
The Staff Facilities Mechanical Engineer serves as the site's technical leader for mechanical reliability, plant utilities, maintenance excellence, and asset performance. The role provides…
Added 8 mins ago
MD
Forward Deployed Engineer
MISO Default Brand
Carmel, IN
- $190,000 to $215,000 USD / year
The Forward-Deployed AI Engineer will transform MISO’s most important business challenges into practical, production-ready AI solutions. Working side‑by‑side with domain experts, this role…
Added 12 mins ago
Mid-Level Model Based Systems Engineer
PMAT
Remote, United States
At PMAT, we work on mission critical systems that directly support the warfighter, designing, building, and securing modern digital capabilities across cloud, data, and software…
Added 12 mins ago
Senior Forward Deployed Engineer
Enlighten AI Labs
Atlanta, GA
Hands-on experience coordinating multiple AI agents and building custom apps or developer tools, with a clear method for checking generated work.
Added 12 mins ago
Forward Deployed Engineer
Enlighten AI Labs
Atlanta, GA
…substantial part of your day running multiple agents in parallel, building tools and workflows with them, and checking what they produce. You own the result. Verify the facts, calculations,…
Added 14 mins ago
Distinguished, Software Engineer
Walmart Inc.
United States
…most critical moments in the Walmart shopping journey, from building and managing a cart through checkout, payment selection, tender processing, and successful order…
Added 16 mins ago
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Building Engineer
Aerotek
BELLEVUE, WA
- $90,000 to $93,600 USD / year
…OpportunityJoin a well-established property management team as a Building Maintenance Engineer supporting commercial properties in Bellevue. This hands-on role is ideal for someone with…
Added 20 mins ago
TT
Senior Forward Deployed Engineer
True Talent Solutions Partners
Redwood City, CA
- $215,000 to $290,000 USD / year
Join a team building voice AI solutions for enterprise customers. You will work closely with client teams to take systems from early prototypes to production, while sharing customer…
Added 20 mins ago
TT
Member of Technical Staff, Senior
True Talent Solutions Partners
New York, NY
- $150,000 to $300,000 USD / year
- Five to fifteen years of experience building products from zero to one as a full-stack engineer.
Added 20 mins ago
TT
Research Engineer, Evals
True Talent Solutions Partners
San Francisco, CA
- $250,000 to $290,000 USD / year
- Experience building evaluations for LLM extraction of unstructured data, measuring whether fields are correctly extracted from messy, real-world pages or documents.
Added 20 mins ago
TT
Founding Product Engineer
True Talent Solutions Partners
San Francisco, CA
- $165,000 to $210,000 USD / year
Join a small, fast-moving AI company building coding agents for hedge funds. As the first engineering hire, you will help mature the core product and work directly with customers to turn…
Added 20 mins ago
TT
Software Engineer, C++ Systems
True Talent Solutions Partners
San Francisco, CA
- $250,000 to $325,000 USD / year
Join a systems engineering team building a GPU virtualization platform for AI and machine learning workloads. You will develop low-level C++ software that improves GPU utilization and…
Added 20 mins ago
Staff Technical Program Manager, Firmware Lifecycle and Release Management
Crusoe
Seattle, WA
…AI workloads. When you join Crusoe, you join a team that is building the future,…
Added 21 mins ago
Senior Pre-Sales Solution Engineer – Northeast
DTEX Systems
Remote, United States
As part of the DTEX Architecture and Solutions Engineering organization, the Senior Solutions Engineer (SE) is a technically sophisticated role combining deep security expertise with…
Added 21 mins ago
Senior Full Stack Software Engineer - Identity Verification & Proofing
Intuit
San Diego, CA · Mountain View, CA
The ideal candidate is an engineer who is very strong in designing and building each layer of enterprise software with full stack engineering mindset and skills. The engineer should have…
Added 22 mins ago
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Solutions Architect, NYC
Exa
New York, NY
- $160,000 to $300,000 USD / year
Exa is building a search engine for the AI era. Our Search API currently powers Agents, Fortune 500s, and AI labs as we transform an industry that hasn't been disrupted since the 90s. We're…
Added 23 mins ago
Staff Engineer
BlackLine Systems, Inc.
United States
As a Staff Software Engineer, you will play a crucial role in building the next generation of BlackLine and data platform. BlackLine thrives on data and we are investing heavily in being…
Added 24 mins ago
UX Designer
Andromeda Surgical
South San Francisco, CA
Andromeda is building autonomous surgical robots designed to help surgeons perform procedures more safely, consistently, and efficiently. Our engineers and designers work across robotics,…

Unity Technologies SF

Senior Machine Learning Engineer, Ads

Mountain View, CA, United States
San Francisco, CA, United States

Additional Details Base Salary Range: We determine the base salary range for this role based on your primary work location: Zone A: $178,700 - $232,300 Zone B: $159,100 - $206,800 Zone C: $140,700 - $182,900

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Job details

Pay: Additional Details Base Salary Range: We determine the base salary range for this role based on your primary work location: Zone A: $178,700 - $232,300 Zone B: $159,100 - $206,800 Zone C: $140,700 - $182,900
Posting language: English
Posted: Nov 3, 2026

Original job description

Opportunity Offerwall by Unity is a leading mobile advertising and monetization platform that empowers game developers to maximize revenue and engage users through rewarded experiences. For over a decade, we've connected millions of players with offers that provide tangible in-app value, and we're now building the next generation of that product. Rewarded advertising attracts fraud. Every conversion attempt on Offerwall and the Unity Rewards app is scored in real time by our fraud detection stack: a prediction service, an online feature store, streaming and batch feature pipelines, and a rules engine that decides what gets paid out. When fraud gets through, money leaks from our advertisers and our business. We're seeking a Machine Learning Engineer to own the ML side of Offerwall fraud prevention. You'll take our real-time anomaly detection and device risk models from development into production, build the labeled fraud dataset and evaluation methodology the team measures itself against, and modernize how we train, serve, and monitor models. You'll work closely with data engineering, backend, and product partners who own the systems your models plug into. This is a hands-on role with real scope. You'll be one of a small group of engineers responsible for fraud ML end to end, and you'll have a direct line from the models you ship to dollars saved.

What you'll be doing

Ship Fraud Models to Production: Take our real-time anomaly detection and device risk models from development to production, so their output drives payout and blocking decisions.
Build the Ground Truth: Create and maintain a golden labeled fraud dataset, and define the evaluation methodology and baseline fraud-efficacy metrics the team uses to judge every model and rule change.
Own Features End to End: Design and evolve the streaming and batch features that feed our Redis online feature store, partnering with data engineering on freshness, correctness, and lineage.
Modernize ML Infrastructure: Plan and drive the evolution of our training and serving stack, including evaluating a move from SageMaker to Kubeflow and KServe, with attention to latency on the real-time scoring path.
Detect New Fraud Patterns: Investigate fraud spikes, analyze user and device behavior, and turn findings into new detection signals, features, and models.
Operate & Document: Monitor model and feature health in production, write runbooks and data lineage docs, and participate in on-call for the fraud detection stack.

What we're looking for

Production ML Experience: Several years building ML models and taking them all the way to production, including deployment, monitoring, and iteration after launch.
Fraud, Risk, or Anomaly Detection: Hands-on experience with fraud detection, abuse prevention, risk scoring, or anomaly detection, including working with sparse, noisy, or adversarial labels.
Real-time Serving & Feature Engineering: Experience with low-latency model serving and online/offline feature pipelines (for example Redis or another online feature store, Kafka or similar streaming, Airflow).
Evaluation Rigor: Ability to build labeled datasets from imperfect signals and design evaluation methods that hold up when fraud patterns shift.
Core Technologies: Strong Python and SQL. Working knowledge of a cloud ML platform such as AWS SageMaker, Kubeflow, or KServe.
Ownership & Collaboration: You take ambiguous problems to shipped outcomes with limited oversight, write things down, and work well with backend, data, and product partners. You use AI coding tools to move faster.

You might also have

Experience with ad fraud, install/attribution fraud, or fraud in rewarded or incentivized advertising.
Experience with unsupervised or semi-supervised detection methods such as autoencoders, isolation forests, or graph-based approaches to device and user linking.
Experience migrating ML serving between platforms, or building MLOps tooling on Kubernetes.
Background in mobile ad tech, mobile games, or app monetization.

This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate’s relevant experience, professional background, and skill set.

Benefits

At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.

Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.

While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program

Life at Unity

Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D - closing the gap between ideas and reality. For more information, please visit www.unity.com.

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

Headhunters and recruitment agencies may not submit resumes/CVs through this Web site or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.

Your privacy is important to us. Please take a moment to review our Prospect and Applicant Privacy Policies. Should you have any concerns about your privacy, please contact us at DPO@unity.com.

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