Jobs in the United States

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Added 2 mins ago
Lead Full Stack Java Engineer
Wells Fargo Bank, N. A.
CHARLOTTE, NC
5+ years of Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
Added 3 mins ago
Sr Consultant, Software Engineer (AI Engineer)
Nationwide Life and Annuity Insurance Co
OH · AZ · IA
Significant experience leading technology strategy, product/platform management, software engineering, architecture, or digital transformation in a complex enterprise; experience in a…
Added 4 mins ago
Material Coordinator 1 - Kiewit Supply Network
Kiewit
Point Pleasant, WV
…and maintaining materials, and proficiencies with advanced software. Long-term relocation and short-term field assignments are a requirement of this position. The position is operational in…
Added 4 mins ago
2027 Associate Mission Assurance Engineer - Rocket Center WV
Northrop Grumman
Rocket Center, WV
Discover careers that change the world and further advancements in defense, technology, and engineering today at Northrop Grumman. Use your experience to grow your career and support 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
10 years of experience with security engineering, computer and network security, and security protocols.
Added 5 mins ago
Technical Program Manager III, Software Tools
Google
Austin, TX · Addison, TX · New York, NY · Reston, VA · Seattle, WA · San Francisco, CA · Sunnyvale, CA
In this role, you will sit at the intersection of ServiceNow platform operations, product strategy, and software engineering execution partnering closely with product managers to prioritize…
Added 5 mins ago
Data Center Facilities Technician II, Electrical
Google
Reno, NV
The Data Center team designs and operates some of the most sophisticated electrical engineering, mechanical engineering and HVAC systems in the world. Facilities Technicians at Google data…
Added 5 mins ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
Charleston, WV
Collaborate with product managers and software engineers to deliver robust cloud-first data solutions that drive powerful experiences to help millions of Americans achieve financial…
Added 5 mins ago
Principal Architect
Akamai Technologies, Inc.
Charleston, WV
…platform services by driving key initiatives across multiple engineering teams. In this role, you will design foundational solutions that directly power and support all of Akamai's future…
Added 5 mins ago
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Senior .NET Full Stack Developer – C#
Cognizant
Charleston, WV
- $86,000 to $99,000 USD / year
Bachelor’s degree in computer science, Information Technology, Engineering, or a related field.
Added 5 mins ago
C
Senior .NET Full Stack Engineer with C#
Cognizant
Charleston, WV
- $86,000 to $99,000 USD / year
Bachelor’s degree in computer science, Information Technology, Engineering, or a related field.
Added 5 mins ago
C
Senior Full Stack Engineer – .NET & C#
Cognizant
Charleston, WV
- $86,000 to $99,000 USD / year
Bachelor’s degree in computer science, Information Technology, Engineering, or a related field.
Added 5 mins ago
C
Senior Java Full Stack Engineer – Spring Boot & AWS
Cognizant
Charleston, WV
- $86,000 to $99,000 USD / year
…Spring Boot, React, and AWS. You will be a valued member of the engineering team and work collaboratively with product owners, business analysts, architects, security teams, and other…
Added 5 mins ago
Senior Client Engagement Manager (Post-Pay)
Lyric
Charleston, WV
…business objectives with Lyric's product, business analysis, data, engineering, configuration, quality assurance, and operations teams. This person must understand healthcare data domains,…
Added 5 mins ago
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Specialty Account Executive –Intelligence Center X – Heavy Equipment & Automotive
Siemens
Charleston, WV
- $150,000 to $294,500 USD / year
The next wave of enterprise software isn't about writing more code - it's about giving organizations the tools to combine trusted data, AI, and applications into systems that can reason and…
Added 5 mins ago
HT
Senior Account Manager - Federal Systems, Mission Critical Facilities & Data Centers - | Washington, DC Metro Area (DC, Northern Virginia & Maryland)
Honeywell Technologies
Charleston, WV
- $144,000 to $215,000 USD / year
Identify customer priorities and position building automation, energy management, fire, security, cybersecurity, software, digital services, and connected solutions to address business and…
Added 5 mins ago
C
Program Manager / Implementation Lead (Ketryx)
Cognizant
Charleston, WV
- $83,000 to $94,500 USD / year
…leading the implementation of Ketryx and associated quality and engineering platforms in a regulated environment. You will be a valued member of the delivery team and work collaboratively…
Added 5 mins ago
Specialized Account Executive Intelligence Center X - ESIB
Siemens
Charleston, WV
The next wave of enterprise software isn't about writing more code - it's about giving organizations the tools to combine trusted data, AI, and applications into systems that can reason and…
Added 5 mins ago
Senior Network Engineer
Cognizant
Charleston, WV
· Support data-center migrations, segmentation, fabric expansion, software upgrades, and hardware refresh programs.
Added 5 mins ago
HT
Senior Account Manager Federal - Industrial & Strategic Accounts - North and South Carolina
Honeywell Technologies
Charleston, WV
- $166,000 to $250,000 USD / year
…as the primary customer interface for large-scale service, software, and capital…
Added 5 mins ago
CMC Mechanical Analysis Lead Engineer
GE Aerospace
Charleston, WV
…analyses on these components using finite-element-analysis (FEA) software as well as proprietary post-processing tools. The individual will be accountable for the quality of own their own…
Added 5 mins ago
Production Network Manager, Backbone Engineering
Meta
Charleston, WV
Meta's global network, comprised of cutting-edge platforms, is looking for a Network Engineering Manager to join the Backbone and Edge Engineering team focused on our Software Defined…
Added 5 mins ago
Sr. Staff Consultant - AI
Nutanix
Charleston, WV
…in pre- and post-sales stages, the team helps define their software-defined data center (SDDC) strategy and architecture. Besides ensuring successful implementations of Nutanix products,…
Added 5 mins ago
GA
Director, Architecture and Data
GE Aerospace
Charleston, WV
- $152,000 to $202,000 USD / year
…and owns the foundation for how Defense & Systems architects software environments and delivers a data fabric that enables the use of…

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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