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Added 2 mins ago
Lead Full Stack Java Engineer
Wells Fargo Bank, N. A.
CHARLOTTE, NC
Wells Fargo is seeking a highly skilled and hands-on Lead Engineer to drive the end-to-end delivery of strategic lending technology solutions supporting new product launches and feature…
Added 3 mins ago
Sr Consultant, Software Engineer (AI Engineer)
Nationwide Life and Annuity Insurance Co
OH · AZ · IA
The Sr Consultant, Software Engineer (AI Engineer) is accountable for turning AI strategy into trusted, reusable technology capabilities that enable Nationwide to build and operate AI…
Added 4 mins ago
2027 Associate Mission Assurance Engineer - Rocket Center WV
Northrop Grumman
Rocket Center, WV
At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our…
Added 5 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 5 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 5 mins ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
Charleston, WV
Influence a team of developers, data analysts and data scientists with deep experience in machine learning, distributed microservices, lakehouse architecture, and full-stack systems
Added 5 mins ago
Senior Workday Security Engineer
CVS Health
Charleston, WV
Integrate various software components or systems, ensuring seamless communication and interoperability between different parts of the digital solution.
Added 5 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 5 mins ago
GA
Director, Architecture and Data
GE Aerospace
Charleston, WV
- $152,000 to $202,000 USD / year
The Director, Architecture & Data leads the team that sets the guardrails and owns the foundation for how Defense & Systems architects software environments and delivers a data fabric that…
Added 5 mins ago
EG
Front End React Engineer
Eliassen Group
Charleston, WV
- $80 to $90 USD / hour
Our client seeks an experienced Front End React Engineer to join a small, focused team building features across three SaaS products in consumer goods retail. Global brands and retailers…
Added 5 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 5 mins ago
SA
Supplier Quality Specialist - PCBA (R6587)
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 5 mins ago
SA
Supplier Quality Specialist - Harnessing (R6588)
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 5 mins ago
SA
Supplier Quality Specialist - Composites (R6586)
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 5 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 13 mins ago
Embedded Software Engineer, Merlin Platform
Amazon Kuiper Manufacturing Enterprises LLC
Redmond, WA
- 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl…
Added 13 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 15 mins ago
Systems Integration/Test Engineer-Early Career
Lockheed Martin
Courtland, AL
…developed and COTS/GOTS components, elements, subsystems and/or systems. Synthesizes customer contractual needs and requirements into system test solutions that acknowledge technical,…
Added 16 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 16 mins ago
Sr Project Manager - AI Data Centers
Jacobs
Huntsville, AL · Mobile, AL
…process, controls, fire protection, and telecommunications/ICT systems, as…
Added 16 mins ago
Azure/AWS Cloud Engineer (5540)
SMX
Huntsville, AL
SMX is actively searching for an Azure/AWS Cloud Engineer to support our government client in Huntsville, AL.
Added 16 mins ago
Software Engineer - Rugged Embedded Systems (Mid LVL)
Insight Global
Huntsville, AL
A client in HSV, AL and Franklin, NC is seeking an experienced SW engineer to join our engineering team supporting the design, development, production, sustainment, reverse engineering, and…
Added 16 mins ago
ATE (Automated Test Equipment) Systems Engineer
Insight Global
Huntsville, AL
…and depot repair seeking a hands-on Automated Test Equipment Engineer to develop, integrate, troubleshoot, and sustain test systems for radar, RF, avionics, and defense electronic…
Added 16 mins ago
Software Engineer
Capstone Research Corporation
Huntsville, AL
Software Engineer Capstone Research Corporation is seeking to expand our team. Capstone Research Corporation is headquartered in Huntsville Alabama. We are a customer-oriented engineering…
Added 16 mins ago
Secret Systems Integration Engineer
Insight Global
Huntsville, AL
The Systems Integration Engineer will support the integration, testing, and troubleshooting of hardware and software across testbeds and operational environments within the Missile Defense…

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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