Jobs in the United States

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System Engineer I - Application Hosting
Health First Careers
Rockledge, PA
The System Engineer II serves as the intermediate level technical member of an engineering team. The position will work across multiple disciplines to deliver IT products and services to…
Added 1 min ago
LA
Senior Engineer Design Leader, Mechanical (11650)
LOGISNEXT AMERICAS INC
HOUSTON, TX · MARENGO, IL
- $114,000 to $150,000 USD / year
Professional Engineering License or Engineer-in-Training (EIT) Certificate
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AC
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Engineer, Design
ALLIENT INC
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The Design Engineer provides engineering support for new customer application development, new product launch, cost reductions, and manufacturing improvements through collaboration with…
Added 1 min ago
DevOps Engineer
Stefanini Group
Dearborn, MI
Stefanini is looking for a DevOps Engineer, Dearborn, MI (Onsite)
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Engineer Internship
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Los Alamos, NM
Include/upload current transcripts as part of the application process, along with your resume.
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DDOPS Deputy PMO (Manager of Projects 4)
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Los Alamos, NM
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LAB-0P4931.Nuclear Facilities Engineer 1 (Project Engineer1)
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Los Alamos, NM
Functional Job Title Nuclear Facilities Engineer 1 (Project Engineer 1)
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Principal Software Engineer V
Indeed
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As a Principal Software Engineer V at Indeed, you will provide technical leadership on complex, cross-cutting platforms and systems that enable teams across the company to build high-impact…
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Cleared Senior/Principal R&D Mechanical Engineer - Enabling Aerospace Systems , Onsite
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Instrumentation & Controls Engineer SME – Hyperscale Data Centers
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Registered Professional Engineer (PE) required.
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Cleared Senior/Principal R&D Systems Engineer - Mobile Guardian Transport Electronics Engineering, Testers, and Cables, Onsite
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Sr Electrical Engineer
Leidos
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Leidos Defense Systems is seeking a highly motivated Sr Electrical Engineer who loves collaboration and being a part of something big, to join our team. This role drives the implementation…
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Sr Surety Engineer
Leidos
Albuquerque, NM
Leidos Defense Systems is seeking a highly motivated Sr Surety Engineer who loves collaboration and being a part of something big, to join our team. This role drives the implementation of…
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Sr Tech Support Engineer MI -1 (Level 2 support for medical device software)
Fujifilm
Santa Fe, NM
The Senior Technical Support Engineer, MI – I (Tier 1) provides highly visible remote technical support across our product lines for HCUS customers. This role focuses on more complex issue…
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Lead Director - Security Operations Center (SOC)
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Added 2 mins ago
Senior Director Software Engineering
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Santa Fe, NM
As a Senior Director, Full-stack Engineer at Capital One, you will lead high-performing engineering teams working to define the future of banking in the cloud. You will partner closely with…
Added 2 mins ago
Sr Tech Support Engineer MI -1 (for medical imaging devices)
Fujifilm
Santa Fe, NM
The Senior Technical Support Engineer, MI – I (Tier 1) provides highly visible remote technical support across our product lines for HCUS customers. This role focuses on more complex issue…
Added 2 mins ago
Technical Engineer
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Santa Fe, NM
5 years of experience with technology platforms, application development tools, business processes, software development life cycle used by our enterprise
Added 2 mins ago
Reverse Engineer - Android
Trellix
Santa Fe, NM
…following: Android Development, Reverse Engineering, Pentesting, Application Security Assessments, Capture the Flag…
Added 2 mins ago
AI/ML Engineer Intern
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Santa Fe, NM
Added 2 mins ago
EG
Forward Deployed AI/ML Engineer IV
Eliassen Group
Santa Fe, NM
- $170,000 to $190,000 USD / year
As a Forward Deployed Engineer, AI/ML, you will join our client's AI and Data Engineering (AIDE) team and embed directly with utility clients to understand their hardest operational…
Added 4 mins ago
Quality Engineer
Clarios, LLC
OR
Develops an understanding of how to maintain good employee relations through coaching and consistent application of employee relation policies.
Added 4 mins ago
Sourcing Engineer
YRH - PACKSIZE LLC
United States
The Sourcing Engineer is responsible for developing and executing sourcing strategies for raw materials, components, and services that support manufacturing operations across multiple…
Added 4 mins ago
Y-
Machine Technician - Joliet, IL (Weekend Nights)
YRH - PACKSIZE LLC
Joliet, IL
- $33 to $36 USD / hour

Block

Senior Machine Learning Engineer, Platform

Bay Area, CA, United States

Apply on block.xyz About employer

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Job details

Experience: 8+ years of experience in software development and/or machine learning experience with a focus on internal platforms or infrastructure.
Posting language: English
Posted: Nov 13, 2026

Original job description

Block is one company built from many blocks, all united by the same purpose: economic empowerment. We build technology that increases access and independence for sellers, individuals, and artists around the world. Working at Block means working on and across our brands - Square, Cash App, Afterpay, TIDAL, Spiral, and Proto - in roles that connect, enable, and push all of them forward faster.

We’re remote-first by design and operate with intelligence at the center of everything we do. At Block, you'll be challenged by some of the brightest, most creative minds in the industry and have the tools and autonomy to do the most meaningful work of your career.

The Role

Block’s Machine Learning (ML) Platform team builds shared infrastructure that helps teams develop, evaluate, deploy, and monitor models and automated decision systems for uses such as fraud detection, recommendations, and underwriting. You will work closely with applied machine learning teams across Block to shape our roadmap, improve established services, and build new platform capabilities. You will have opportunities to deepen your expertise across the ML lifecycle, influence system designs, and help other engineers grow through mentoring and design reviews.

You Will

Design, build, and operate shared ML infrastructure, including feature stores, rules engines, model hosting and inference, training infrastructure, and offline model evaluation.
Lead the design and delivery of large-scale distributed systems, balancing response time, throughput, data consistency, availability, and cost.
Work with applied machine learning teams and internal customers to understand their challenges, identify common needs, and turn them into reusable platform capabilities; use that feedback to help set our roadmap and priorities.
Build reliable services through automated testing, monitoring, capacity planning and safe deployments.
Participate in the oncall rotation for mission-critical systems, lead incident response and reviews, and fix underlying causes to prevent repeat incidents and reduce manual support work.
Build self-service interfaces, libraries, tools, and documentation that help teams develop models, move them into production, and understand how they perform.
Mentor engineers, guide design reviews, and share practices that help the team build and maintain reliable systems.

You Have

8+ years of experience in software development and/or machine learning experience with a focus on internal platforms or infrastructure.
Hands-on experience building and operating ML infrastructure, with depth in one or more areas such as feature stores, rules engines, model hosting and inference, or training infrastructure.
Deep understanding of architectures for ML-backed solutions and the ML lifecycle - from data gathering, training, model evaluation, MLOps, and productionizing models (both classical ML and deep learning/LLMs).
Experience designing and operating large-scale distributed systems, including understanding failure modes, maintaining correct data, and managing performance and capacity.
Experience operating mission-critical services, including oncall, incident response, and improvements that made systems more reliable.
Experience leading complex technical work from an unclear starting point through delivery: defining the problem, testing ideas, choosing a design, planning work with other teams, and checking the results.
Experience working with teams that use your platform, explaining technical choices and trade-offs, and mentoring engineers.
Experience using any of the major cloud vendors for high scale production use cases.
Strong communication skills (verbal and written) with technical and non-technical stakeholders.
Ruthless pragmatism when solving new and unconventional problems

Technologies We Use and Teach

Kotlin / Java, Golang, Python, Typescript, React
gRPC, Protocol Buffers
AWS (Sagemaker, EC2, EKS, Dynamo), Databricks (Spark)
NVidia Triton, vLLM, ONNX

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and “fair chance” ordinances.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page.

While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S. locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

To find a location’s zone designation, please refer to this resource. If a location of interest is not listed, please speak with a recruiter for additional information.

Zone A:

$228,700 - $343,100 USD

Zone B:

$217,300 - $325,900 USD

Zone C:

$205,900 - $308,900 USD

Zone D:

$194,500 - $291,700 USD

Application Guidelines

Candidates may submit up to 9 active applications within a 60-day period. Reapplications to the same role are accepted 90 days after a previous application has been reviewed.

Use of AI in Our Hiring Process

We may use automated AI tools to evaluate job applications for efficiency and consistency. These tools comply with local regulations, including bias audits, and we handle all personal data in accordance with state and local privacy laws.

Every benefit we offer is designed with one goal: empowering you to do the best work of your career while building the life you want. Remote work, medical insurance, flexible time off, retirement savings plans, and modern family planning are just some of our offering. Check out our other benefits at Block.

Block, Inc. (NYSE: XYZ) builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the easy way to spend, send, and store money. Afterpay is transforming the way customers manage their spending over time. TIDAL is a music platform that empowers artists to thrive as entrepreneurs. Bitkey is a simple self-custody wallet built for bitcoin. Proto is a suite of bitcoin mining products and services. Together, we’re helping build a financial system that is open to everyone.

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Jobs in the United States