Jobs in the United States

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Added 6 mins ago
Software Engineer - Agentic Reliability Infrastructure (Technical Leadership)
Meta
Charleston, WV
Meta is seeking an experienced Software Engineer to build the next generation of AI systems for production reliability. This role sits at the intersection of large-scale distributed…
Added 6 mins ago
Senior Staff Security Engineer, Google Distributed Cloud
Google
Sunnyvale, CA · Kirkland, WA · Seattle, WA
…Engineers work with network equipment and actively monitor our systems for attacks and intrusions. In this role, you will also work with software engineers to proactively identify and fix…
Added 6 mins ago
C
Senior Knowledge Graph & Ontology Architect
Cognizant
Charleston, WV
- $130,000 to $160,000 USD / year
As a Senior Knowledge Graph & Ontology Architect , you will make an impact by designing and governing enterprise semantic architectures that enable trusted, scalable, and AI-ready knowledge…
Added 6 mins ago
Senior Workday Security Engineer
CVS Health
Charleston, WV
CVS Health is seeking an experienced Senior Workday Security Engineer to join the HR Technology Workday Security team. This role designs, supports, governs, and optimizes security across…
Added 6 mins ago
CMC Mechanical Analysis Lead Engineer
GE Aerospace
Charleston, WV
The Lead Engineer will be responsible for supporting and leading mechanical analysis projects for CMC hot section hardware and/or interfacing metallic components with specific focus on…
Added 7 mins ago
SA
Supplier Quality Specialist - Propulsion (R6585)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic…
Added 7 mins ago
SA
Supplier Quality Specialist - Machining (R6584)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
Advance supplier-quality processes, business systems, data analytics, and continuous-improvement practices that strengthen supplier capability, product quality, delivery performance, and…
Added 7 mins ago
SA
Senior Staff Engineer, Supply Chain (R6485)
Shield AI
Dallas, TX
- $177,000 to $266,000 USD / year
…of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic…
Added 14 mins ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
…understanding to power next-generation shopping experiences. These systems continuously learn from real-world customer interactions to become more helpful, personalized, and context-aware…
Added 17 mins ago
Senior Azure/AWS Cloud Engineer (5539)
SMX
Huntsville, AL
SMX is actively searching for a dynamic and adept Senior Azure/AWS Cloud Engineer to support our government client in Huntsville, AL.
Added 17 mins ago
Sr Project Manager - AI Data Centers
Jacobs
Huntsville, AL · Mobile, AL
This is your opportunity to elevate your career to the next level - leading complex, multi-discipline programs as a Senior Project Manager (CA) Lead, across OE, EPCM, and Design-Build…
Added 17 mins ago
Cybersecurity Team Lead
SAIC
Huntsville, AL
Previous experience as a Cybersecurity Team Lead, ISSO, ISSM, or senior cybersecurity engineer supporting DoD authorization activities.
Added 17 mins ago
CMC Mechanical Analysis Lead Engineer
GE Aerospace
Huntsville, AL
The Lead Engineer will be responsible for supporting and leading mechanical analysis projects for CMC hot section hardware and/or interfacing metallic components with specific focus on…
Added 17 mins ago
Senior Product Manager
Acxiom
Montgomery, AL
The Senior Product Manager for Clean Rooms and Data Delivery Platforms is responsible for defining and executing Acxiom’s strategy for client and partner based clean-room implementations…
Added 17 mins ago
Senior Workday Security Engineer
CVS Health
Montgomery, AL
CVS Health is seeking an experienced Senior Workday Security Engineer to join the HR Technology Workday Security team. This role designs, supports, governs, and optimizes security across…
Added 17 mins ago
C
Senior Knowledge Graph & Ontology Architect
Cognizant
Montgomery, AL
- $130,000 to $160,000 USD / year
As a Senior Knowledge Graph & Ontology Architect , you will make an impact by designing and governing enterprise semantic architectures that enable trusted, scalable, and AI-ready knowledge…
Added 27 mins ago
Senior Software Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer based in the United States.
Added 27 mins ago
Senior Embedded Linux BSP Engineer – Qualcomm QCS / Camera & Multimedia
Jobgether
Remote, United States
…all applications and next steps. Our partner is looking for a Senior Embedded Linux BSP Engineer – Qualcomm QCS / Camera & Multimedia based in the United…
Added 32 mins ago
Data Engineer I
Midwest Physicians Administrative Services, LLC dba Duly Health and Care
Downers Grove, IL
The Data Engineer I is an early-career role within the Data & Analytics team, responsible for helping build, operate, and improve the data pipelines that feed analytics, reporting, and AI…
Added 32 mins ago
AI Engineer I
Midwest Physicians Administrative Services, LLC dba Duly Health and Care
Downers Grove, IL
The AI Engineer I is an early-career role within the Data & Analytics team, working with the AI/ML team to implement, deploy, and support the AI platforms and models that improve patient…
Added 36 mins ago
Senior Software Engineer, AI/ML NLP, Deep Learning, Search Infrastructure
Google
Mountain View, CA
We're seeking an engineer to contribute to DeepRank, one of the most impactful systems in Google Search, responsible for ranking web results. In this role, you will be involved in designing…
Added 38 mins ago
DISTINGUISHED SCIENTIST/ENGINEER FOR ELECTRO-OPTIC/INFRARED SENSOR TECHNOLOGIES
Naval Sea Systems Command
Crane, IN
Added 39 mins ago
C
Senior Systems Testing Engineer
Carrier
Indianapolis, IN
- $79,000 to $158,000 USD / year
The Senior Systems Test Engineer oversees testing the embedded system to ensure it meets both system requirements and customer expectations. The Senior Systems Test Engineer owns the…
Added 39 mins ago
Software Engineer, Experienced Associate
PwC
Indianapolis, IN
As a Software Engineer, Experienced Associate you will contribute to the design, build, modernization, and scaling of custom applications across the software development lifecycle within…
Added 40 mins ago
SA
Senior Staff Engineer, Supply Chain (R6479)
Shield AI
Dallas, TX
- $177,000 to $266,000 USD / year
…of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic…

Amazon.com Services LLC

Senior Software Development Engineer , Stores Foundational AI - Rufus

Seattle, WA, United States
Palo Alto, CA, United States

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Job details

Posting language: English
Posted: Jun 29, 2026

Original job description

We are building foundational LLMs for Amazon Stores that fuse world knowledge with deep e-commerce understanding to power next-generation shopping experiences. These systems continuously learn from real-world customer interactions to become more helpful, personalized, and context-aware over time.

We are looking for builders who are passionate about large-scale systems, AI innovation, and customer impact. You will work at the intersection of distributed systems, machine learning infrastructure, and science to bring frontier research - especially in post-training and reinforcement learning - into production at Amazon scale.

Key job responsibilities

Architect and build scalable ML infrastructure powering LLM training and post-training workflows, including supervised fine-tuning, reinforcement learning, and continuous learning from live traffic
Transform real-world customer interactions into high-quality training signals, enabling continuous model improvement and better customer experiences
Build and optimize post-training and RL systems, including reward modeling, policy optimization, data collection loops.
Drive experimentation and iteration velocity by building tooling and frameworks that enable rapid hypothesis testing, signal validation, and model quality improvements
Partner closely with applied scientists to translate frontier techniques (e.g., RLHF, agentic workflows, multi-turn optimization) into reliable, production-grade systems
Own systems end-to-end, including design, implementation, deployment, observability, and operational excellence
Raise the engineering bar through technical leadership, design reviews, and mentorship, influencing best practices across the organization Basic qualifications
5+ years of non-internship professional software development experience
5+ years of programming with at least one software programming language experience
5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Experience as a mentor, tech lead or leading an engineering team
Experience with vLLM, SGLang, TensorRT or similar platforms in production environments
Experience with CUDA kernels or ML/low-level kernels Preferred qualifications
5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Bachelor's degree in computer science or equivalent
Experience with Machine Learning and Large Language Model fundamentals, including architecture, training/inference lifecycles, and optimization of model execution

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.

USA, CA, Palo Alto - 193,300.00 - 261,500.00 USD annually USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

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