Jobs in the United States

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Added just now
Radio Communications Integration and Test Engineer II
Axiom Space
United States
Axiom Space is a human space exploration company, building era-defining space infrastructure and delivering technology-driven solutions that will empower civilization to transcend Earth.…
Added just now
Ground Network Engineer (Development Network) IV
Axiom Space
United States
Since Axiom Space is a very complex work environment, we are looking for a resilient, high-energy Ground Network Engineer (Development Network) (up to a level IV) to design and implement…
Added just now
Flight Network Engineer (Station Critical Network) IV
Axiom Space
United States
Axiom Space is a human space exploration company, building era-defining space infrastructure and delivering technology-driven solutions that will empower civilization to transcend Earth.…
Added just now
Electrical Design Engineer (Prime), Senior
Axiom Space
United States
Axiom Space is a human space exploration company, building era-defining space infrastructure and delivering technology-driven solutions that will empower civilization to transcend Earth.…
Added 1 min ago
Senior Wireless Network Engineer
Mass General Brigham Incorporated
United States
We are looking for a collaborative, detail-oriented engineer who enjoys solving complex network challenges, supporting mission-critical environments, and helping modernize infrastructure…
Added 2 mins ago
T
Radio Technician
TEKsystems
Madison, WI
- $30 to $35 USD / hour
Candidates must reside within one hour of Madison, WI or be willing to relocate prior to starting · Must reside within one hour of Madison, WI
Added 2 mins ago
Chief Engineer
Complete Building Services
Fairfax, VA
The Chief Engineer provides hands-on technical leadership and supervision for the daily operation, maintenance, and repair of building systems serving a 118-acre healthcare campus…
Added 2 mins ago
DC
Electrical Engineer
DEFTEC Corporation
Colorado Springs, CO
- $110,000 to $140,000 USD / year
The Electrical Engineer performs comprehensive planning and design for substantial, multi-phase new construction, renovation, and improvement projects for real property facilities and…
Added 2 mins ago
Manager, Inspection & Monitoring
SI Solutions, LLC
Remote, United States
Professional Engineer licensure, relevant NDE certification, advanced technical degree, or other recognized technical credentials relevant to inspection, monitoring, NDE, or structural…
Added 3 mins ago
System Development Engineer, Release Engineering and System Test
Amazon Data Services, Inc.
Cupertino, CA
…services, and our success depends on world-class network and server infrastructure operating at massive scale with rapid integration of emerging technologies. We're looking for a System…
Added 4 mins ago
Oracle Cloud Infrastructure Monitoring & Observability Engineer, OC2 Gov Cloud
ECS FEDERAL LLC
Remote, United States
ECS is seeking an Oracle Cloud Infrastructure (OCI) Monitoring & Observability Engineer to work remotely.
Added 5 mins ago
Lead AI Engineer
Paramount
Los Angeles, CA
They must have features like retrieval augmented generation, tool or function calling, and agents
Added 5 mins ago
Network and Systems Engineer
Dynetics, Inc
Huntsville, AL
We are looking for a Network and Systems Engineer to join our team in Huntsville AL, where you will have the opportunity to configure, maintain, troubleshoot, and secure systems, network…
Added 5 mins ago
Java Software Engineer
LEIDOS, INC.
San Diego, CA
Must have an Active Secret Security Clearance
Added 5 mins ago
Mid-Level Java Software Engineer
LEIDOS, INC.
San Diego, CA
Must have an Active Secret Security Clearance
Added 5 mins ago
Sr. Java Software Engneer
LEIDOS, INC.
San Diego, CA
Must have an Active Secret Security Clearance
Added 5 mins ago
Electronics Test and Characterization Engineer
LEIDOS, INC.
Lynnwood, WA
Leidos is seeking an Electronics Test and Characterization Engineer to develop automated test architectures, characterize and evaluate electro-mechanical subsystems, and communicate…
Added 5 mins ago
Senior Associate Engineer, Product Software
Equinix (US) Enterprises, Inc.
United States
Equinix is the world’s digital infrastructure company®, shortening the path to connectivity to enable the innovations that enrich our work, life and planet.
Added 5 mins ago
Technical Lead - Plant I&C Systems Design and Implementation
GE Vernova Hitachi Nuclear Energy Americas LLC
United States
Lead preparation of high thru low work planning, scheduling, and resource loading across lifecycle phases of Engineer-Procure-Construct or new product introduction using the applicable…
Added 7 mins ago
PH
Technical Support Engineer
Paradigm Health
Remote, United States
- $120,000 to $150,000 USD / year
…healthcare and life sciences investors, Paradigm’s seamless infrastructure implemented at healthcare provider organizations, will bring potentially life-saving therapies to patients…
Added 8 mins ago
IT Security Analyst - multiple openings (Ref# ITSA1110KBM)
RICEFW Technologies Inc.
Okemos, MI
…improving the process. Execute vulnerability assessments on cloud infrastructure, identifying and remediating critical findings across access controls and security configurations. Implement…
Added 8 mins ago
Graduate Engineer, Structural - Power - EDGE Job Details | Black & Veatch Family of Companies
Black & Veatch
Ann Arbor, MI
As an Entry Level Structural Engineer (Power) at Black & Veatch you will play a meaningful role in addressing some of the world’s most critical infrastructure challenges. This role offers…
Added 8 mins ago
Project - Delivery Management Engineer II - Systems Admin Unified Endpoint Management
Deloitte US
Richmond, VA · Rosslyn, VA · Washington, DC
Ability to work on-site in Patuxent River, MD 5 days per week
Added 8 mins ago
Senior Electrical Engineer
University of Michigan
Ann Arbor, MI
…and participate in analysis and long-term planning of campus infrastructure, applying energy conservation and carbon neutrality…
Added 8 mins ago
Network Engineer III
Deloitte
Detroit, MI
Our Enterprise Networks practice, part of Hybrid Cloud Infrastructure within AI & Engineering, helps clients architect, modernize, and operate the network foundation that underpins their…

Amazon Development Center U.S., Inc.

Sr Software Dev Engineer, Stores Foundational AI -SFAI

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

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Job details

Posting language: English
Posted: Nov 12, 2026

Original job description

We're building a foundational LLM for Amazon Stores that fuses general world knowledge with Amazon e-commerce domain knowledge to provide new and improved shopping experiences for our customers. We are searching for pioneers who are passionate about technology, innovation, and customer experience, and are ready to make a lasting impact on the industry. You'll be working with talented scientists and engineers to innovate on behalf of our customers. If you're fired up about being part of a dynamic, driven team, then this is your moment to join us on this exciting journey!

Key job responsibilities In this role you will leverage your engineering background and expertise to help develop generative AI for shopping. As a Senior Software Development Engineer, you will:

Architect and build scalable ML infrastructure that powers the training and deployment of large language models - directly shaping the future of AI-driven shopping experiences for all Amazon customers Drive technical innovation by designing experimentation frameworks and tooling that accelerate breakthrough insights, enabling scientists and engineers to iterate faster and smarter Lead cross-functional initiatives partnering with applied scientists and engineering teams to translate frontier research into production systems that delight customers Mentor and elevate the team through technical leadership, code reviews, and architectural guidance - raising the bar for engineering excellence across the organization Own impactful projects end-to-end across diverse technologies - from distributed computing and ML operations to prompt engineering - while navigating ambiguity and making strategic trade-offs that balance innovation with delivery

A day in the life

On any given day, you may work on:

Design and build end-to-end RL post-training pipelines (rollout → reward → optimization) at cluster scale Improve RL training stability (PPO / GRPO / RLOO) by monitoring and tuning key metrics such as reward, KL divergence, and policy stability Optimize RL post-training efficiency (GPU utilization, batching, sequence packing, async rollouts) Partner with research scientists to translate new RL algorithms into scalable, production-ready systems Profile and eliminate bottlenecks across compute, networking, and storage Build observability systems for training dynamics, system health, and experiment tracking Collaborate cross-functionally to run experiments, iterate quickly, and unblock research progress Mentor engineers and contribute to system design and long-term technical roadmap Basic qualifications

5+ years of non-internship professional software development experience
5+ years of programming with at least one software programming language experience
4+ 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
Demonstrated ability to drive technical direction and influence engineering decisions across teams Preferred qualifications
Knowledge of ML frameworks including JAX, PyTorch, vLLM, SGLang, Dynamo, TorchXLA, and TensorRT
Knowledge of Machine Learning and LLM fundamentals, including transformer architecture, training/inference lifecycles, and optimization techniques
Experience with distributed systems, big data technologies, and machine learning infrastructure

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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Jobs in the United States