Jobs in the United States

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Added 3 mins ago
Software Engineer – Full Stack (JavaScript & Python)
HTC Global Services Inc
Dearborn, MI
Software Engineer – Full Stack (JavaScript & Python) Overview / Summary
Added 3 mins ago
KC
Service System Engineer Mechanical/Optical
KLATencor Corporation
Ann Arbor, MI
- $97,000 to $164,900 USD / year
…technology. Group/DivisionThe KLA Services team consists of Service Sales, Marketing, Spares Supply Chain Management, Field Operations, Engineering, Product Training, Digital Solutions and…
Added 7 mins ago
Senior Infrastructure Engineer
Mach Industries
Huntington Beach, CA
Design and deliver new infrastructure for services, environments, and sites, balancing reliability, security, capacity, and cost.
Added 28 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 31 mins ago
AV Engineer / IronBow Specialist
Ignite IT
Remote, United States
The AV Engineer / IronBow Specialist will support, maintain, troubleshoot, and optimize enterprise audio/visual and collaboration environments, with a focus on IronBow-supported…
Added 31 mins ago
Senior Identity Engineer
Ignite IT
Remote, United States
Ignite IT is seeking an experienced Senior Identity and Access Management (IAM) Engineer to support enterprise identity and directory services for the U.S. Census Bureau.
Added 31 mins ago
Full Stack Developer (Python / Java / Angular / AWS)
Ignite IT
Remote, United States
This is an excellent opportunity for an experienced engineer who enjoys solving complex technical challenges, working with modern cloud technologies, and delivering high-quality software in…
Added 38 mins ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
- 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Added 54 mins ago
IE
Senior Software Developer - Forward Deployed Model
Idea Entity
Remote, United States
- $110,000 to $170,000 USD / year
This role is designed for an engineer who thrives in a small delivery pod, takes broad ownership, and works effectively across traditional role boundaries. The engineer will work closely…
Added 1 hour ago
Graduate Trainee Engineer – Simulation (Mechanical)
nVent
Bangalore, IN
…more secure world. We design, manufacture, market, install and service high performance products and solutions that connect and protect some of the world's most sensitive equipment,…
Added 1 hour ago
Graduate Engineer Trainee – Warehouse
nVent
Bangalore, IN
…more secure world. We design, manufacture, market, install and service high performance products and solutions that connect and protect some of the world's most sensitive equipment,…
Added 1 hour ago
Graduate Trainee Engineer – Reliability
nVent
Bangalore, IN
…more secure world. We design, manufacture, market, install and service high performance products and solutions that connect and protect some of the world's most sensitive equipment,…
Added 1 hour ago
Graduate Trainee Engineer – Manufacturing / Industrial
nVent
Bangalore, IN
…more secure world. We design, manufacture, market, install and service high performance products and solutions that connect and protect some of the world's most sensitive equipment,…
Added 1 hour ago
Facilities Electrical Engineer
SAIC
Crane, IN
SAIC is seeking an experienced Electrical Engineer to provide non‑personal engineering, technical, and program support services to the Naval Surface Warfare Center, Crane Division (NSWC‑CR).
Added 1 hour ago
Automation Engineer
Amazon.com Services LLC
Summerville, SC
Operations is at the heart of Amazon’s business. We are known for our speed, accuracy, and exceptional service. Our buildings deliver tens of thousands of products to hundreds of countries…
Added 1 hour ago
Vice President, Facilities Management
Navy Federal Credit Union
Vienna, VA
Establish performance metrics, reporting practices, policies, procedures, and service standards to improve reliability, efficiency, compliance, customer service, risk management, and…
Added 1 hour ago
Principal IAM Engineer / Onsite in Natick, MA
Kelly Services
Natick, MA
…platforms rather than simply administer them. The Principal Engineer will provide technical leadership across core identity services, designing secure and resilient identity patterns while…
Added 1 hour ago
Principal, Software Engineer - Enterprise Automation Frameworks & Support
Humana
Boston, MA
Principal Automation Engineer, Enterprise Automation Frameworks & Support will lead the adoption of automation-first testing approaches, establish enterprise standards and frameworks, drive…
Added 1 hour ago
Network Engineer
Google
Austin, TX
Google is proud to boast a network that provides service to millions of Internet users around the world. The Network Engineering team is responsible for operating that network reliably and…
Added 1 hour ago
Associate Engineer, Engineer, Senior Engineer
Dominion Energy
COPE, SC
…one motivated engineers to fill the positions of Operations Engineer. The successful candidates will start at the level commensurate with their education, experience, knowledge, skills, and…
Added 1 hour ago
Senior Principal Systems Engineer / SME (Cyber & Analytics)
RTX
United States
Applied Signal Technology (AST) is seeking a Senior Principal Systems Engineer / SME (Cyber & Analytics) who strives for excellence and have a passion to be part of a team that strengthens…
Added 2 hours ago
Section Engineer - BGE T&S EPC Project Eng
Baltimore Gas and Electric Company
BALTIMORE, MD
The Section Engineer provides technical leadership in the planning, design, and execution of projects involving Exelon's utility infrastructure including electric transmission, substations,…
Added 2 hours ago
A
Mechanical Engineering Lead, Data Centers - Remote (U.S.)
AECOM
Remote, United States
- $200,000 to $240,000 USD / year
The Mechanical Engineer will play a critical role in ensuring the reliability, efficiency, and safety of our data center infrastructure. The ideal candidate will have a strong background in…
Added 2 hours ago
A
Mechanical Engineering Lead, Data Centers - Remote (U.S.)
AECOM
Remote, United States
- $200,000 to $240,000 USD / year
The Mechanical Engineer will play a critical role in ensuring the reliability, efficiency, and safety of our data center infrastructure. The ideal candidate will have a strong background in…
Added 2 hours ago
A
Mechanical Engineering Lead, Data Centers - Remote (U.S.)
AECOM
Remote, United States
- $200,000 to $240,000 USD / year
The Mechanical Engineer will play a critical role in ensuring the reliability, efficiency, and safety of our data center infrastructure. The ideal candidate will have a strong background in…

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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