Jobs in the United States

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Added 2 mins ago
Markets Technology - Site Reliability Engineer, VP
Citibank, N.A.
United States
The Site Reliability Engineer is based in North America (NAM) to serve as the regional pillar of our global reliability engineering function within Markets Technology. In this role, you…
Added 2 mins ago
Senior Full stack Hands on Engineer
Citibank, N.A.
United States
We are seeking a Senior Full-Stack hands-on Engineer to be part of the Wealth Technology Digital Engineering team delivering best in class technology solutions to help the Banking…
Added 4 mins ago
Sr. Systems Engineer (New Kensington, PA)
Philips
New Kensington, Pennsylvania, United States, PA
For our office-based teams, this means working in-person at least 3 days per week · For this position, you must reside in or within commuting distance to New Kensington, PA
Added 8 mins ago
D&
Senior DevOps Engineer (R-19897)
Dun & Bradstreet
Florham Park, NJ
- $120,300 to $202,300 USD / year
The Senior DevOps Engineer will lead the design and operation of highly available, secure, cloud-native platforms on GCP and enterprise cloud services - driving modernization, automation,…
Added 11 mins ago
C
Principal Mechanical Engineer
Clera
San Francisco, CA
- $235,000 to $305,000 USD / year
Join a small defense technology team developing autonomous, field-deployed directed energy systems. You will provide senior mechanical engineering judgment across the full system, guiding…
Added 11 mins ago
UG
Process Engineer - Simulation and Conceptual Design
Utility Global
United States
- $115,000 to $140,000 USD / year
We are seeking a Process Engineer, reporting to the Vice President of Engineering, to develop, validate, and maintain process simulation models supporting the design, optimization, and…
Added 13 mins ago
Enterprise Data Solutions Manager
Cerro Wire LLC
Remote, United States
…standardized metrics and the BI and AI experiences built on them. The Senior Data Engineer owns ingestion through the silver layer; this role owns everything users consume from there. The…
Added 14 mins ago
Head of Software Architecture
Power Factors
Remote, United States
Mentor senior engineers and engineering leaders on architectural judgment, system design, and technical tradeoff analysis
Added 14 mins ago
Head of Software Architecture
Power Factors
Remote, United States
Mentor senior engineers and engineering leaders on architectural judgment, system design, and technical tradeoff analysis
Added 14 mins ago
Head of Software Architecture
Power Factors
Remote, United States
Mentor senior engineers and engineering leaders on architectural judgment, system design, and technical tradeoff analysis
Added 15 mins ago
Consulting/Principal Site Reliability Engineer
Reed Technology and Information Services LLC Company
Horsham, PA · Dayton, OH · Alpharetta, GA · NC
We're looking for a Consulting/Principal Site Reliability Engineer to guide our observability and reliability initiative for Government Systems, running on Azure Government. This is an…
Added 15 mins ago
ET
Journeyman Computer Systems Engineer/Architect
E&M Technologies, Inc.
Offutt AFB, NE
- $90,000 to $105,000 USD / year
Must have and be capable of maintaining a U.S · Department of Defense (DoD) Must have a current/active TS/SCI and with ability to obtain a CI Poly
Added 17 mins ago
Lead Electrical and Instrumentation Engineer
Valar Atomics
Torrance, CA
Valar Atomics is seeking a Lead E&I Engineer to join our reactor program. This is a player-coach role. You will direct and develop E&I engineers, designers, and the contract engineering…
Added 22 mins ago
Senior Administrator, Database Operations
Stateside
Adelphi, MD
The Senior Administrator, Database Operations is responsible for providing senior-level administration, operational leadership, performance management, security oversight, and lifecycle…
Added 24 mins ago
Onsite- Sr Quality Engineer (Endourology)
BD (Becton, Dickinson and Company)
Covington, GA
This position performs various quality engineering functions and owns Quality Assurance/Document Control/Design Control within the scope of their product line. This includes supporting…
Added 24 mins ago
C
Senior Software Engineer
Carrier
Kennesaw, GA
- $79,000 to $158,000 USD / year
We are seeking a Senior Software Engineer to design, build, and maintain mission-critical software solutions for our Building Automation Systems (BAS), with a dedicated focus on building…
Added 24 mins ago
Senior Data Center Electrical Engineer , Mechanical Products and Services
Amazon
Atlanta, GA
…the world's largest and most reliable infrastructure? As a Senior Data Center Infrastructure Electrical Engineer, you will serve as a technical leader responsible for the design,…
Added 24 mins ago
Senior Front-End and Agentic-UI Engineer
Evolent
Atlanta, GA
The Senior Software Engineer leads the design, development, and deployment of complex features in the web user experience for the Evolent Platform. This role builds high-performance React…
Added 24 mins ago
Core Senior .NET Software Engineer
Evolent
Atlanta, GA
The Senior Software Engineer leads the design, development, and deployment of complex software solutions, ensuring scalability and maintainability. This role architects and implements…
Added 24 mins ago
UG
Senior Software Engineer - Remote
UnitedHealth Group
Eden Prairie, MN
- $91,700 to $163,700 USD / year
area, you will be required to work in the office a minimum of four days per week
Added 24 mins ago
Senior Advanced Site Reliability Engineer (SRE)
Honeywell Technologies
Atlanta, GA
We are seeking a highly skilled and experienced Senior Advanced Site Reliability Engineer (SRE) to join our team. The ideal candidate will have a strong background in DevOps and SRE…
Added 25 mins ago
Sr Software Dev Engineer, Stores Foundational AI -SFAI
Amazon Development Center U.S., Inc.
Seattle, WA · Palo Alto, CA
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:
Added 26 mins ago
Sr Advanced Software Engineer
General Dynamics Mission Systems, Inc
Manassas, VA
Mentor senior engineers and technical leads, strengthen engineering judgment, and guide teams through complex development and integration challenges
Added 29 mins ago
Senior Frontend Engineer
American Express
Phoenix, AZ
The Cyber Engineering team at American Express is seeking a dynamic engineer for the role of Frontend engineer within the Information Security organization. This position offers a unique…
Added 31 mins ago
Quality Test Engineer (2nd Shift)
Haier US Appliance Solutions, Inc.
Louisville, KY
The Senior Manufacturing Quality Engineer – Test Systems is responsible for managing the quality test manufacturing systems, test loops and final product testing. Primarily supporting in…

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