Jobs in the United States

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Added 4 mins ago
Senior Product Development Engineer
International Motors, LLC
San Antonio, TX
International Motors is seeking a Senior Product Development Engineer to play a critical role in supporting all stages of a product's lifecycle, including product development,…
Added 6 mins ago
FT
Data Engineer
Franchise Tax Board
CA
- $4,935 to $8,740 USD / month
FTB's Data Lake Development Unit is seeking an enthusiastic, proactive, and motivated Data Engineer (Information Technology Associate) who takes initiative and is interested in contributing…
Added 9 mins ago
Program Controls Coordinator
EOI Space (Earth Observant, Inc.)
Lafayette, CO
We are seeking a Program Controls Coordinator to serve as the right hand of our Chief Engineer/Technical Program Manager (CE/TPM). Working alongside the responsible engineers for each…
Added 9 mins ago
Software Engineer Internship – AI Platform Team
Wellmark, Inc.
Des Moines, IA
Why choose an internship with Wellmark? We strive to offer meaningful work that supports your professional development and creates value for the team. During Wellmark’s 2027 Summer…
Added 13 mins ago
MC
Construction Senior Engineer Associate
Maricopa County
Phoenix, AZ
- $75,250 to $120,000 USD / year
This position will serve as a Construction Senior Engineer Associate in the MCDOT Construction & Materials Division, working on Transportation and Maintenance Improvement Projects. An ideal…
Added 13 mins ago
MC
Project Manager - Professional Engineer
Maricopa County
Phoenix, AZ
- $90,000 to $133,750 USD / year
We are seeking a dynamic and experienced Project Manager to oversee the planning, design, and development of complex public works projects focused on flood risk reduction. This role offers…
Added 15 mins ago
DevSecOp Engineer
MANTECH
Patrick AFB, FL
…integrating security practices throughout the entire Software Development Life Cycle (SDLC). By fostering a culture of shared security responsibility, you will move security from a final…
Added 17 mins ago
OC
Associate Engineer (Electrical)
Orange County Sanitation District
Fountain Valley, CA
- $134,950.4 to $164,028.8 USD / year
Under general supervision, an Associate Engineer performs a variety of engineering duties in the planning, design, construction, operations, and compliance of wastewater facilities,…
Added 18 mins ago
Site Reliability Engineer III
LexisNexis Risk Solutions Inc. Company
Alpharetta, GA · Boca Raton, FL
The Site Reliability Engineer III is responsible for improving the reliability, scalability, security and operational maturity of cloud-hosted platforms and services. The role combines…
Added 22 mins ago
Full-stack Engineer 5
Capital One
NY
3+ years of experience mentoring senior engineers and driving professional development within technical teams
Added 22 mins ago
Data Engineer 4 (Manager IC) - Modeling & Architecture
Capital One
Richmond, VA · McLean, VA · Cambridge, MA
Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies
Added 23 mins ago
Industrial Engineer
Luminator Technology Group
Plano, TX
We’re searching for Industrial Engineer to join our team and play a key role in driving our vision forward. Join a team where your ideas drive results. As an Industrial Engineer, you will…
Added 26 mins ago
K
Electronic Systems Engineer
Knorr-Bremse
Westminster, MD
- $89,900 to $134,900 USD / year
The Electronic Systems Engineer is responsible for the design and development of pneumatic and hydraulic brake systems controls, for passenger rail transit vehicles.
Added 27 mins ago
Specialist, Manufacturing Engineering - TS/SCI
L3Harris Technologies
Palm Bay, FL
Experience with Automated chemical dispensing process development
Added 31 mins ago
Application Engineer IV (E4)
Applied Materials
Santa Clara, CA · Santa Clara
Support onsite customer activities, including tool evaluations, troubleshooting, process development, recipe optimization, and performance demonstrations.
Added 31 mins ago
MA
Lead Software Engineer – Java, MS SQL
Manufacturers and Traders Trust Co
Buffalo, NY
- $116,400 to $194,000 USD / year
…stability and resiliency of banking technology within the Software Development Lifecycle (SDLC) while also coaching…
Added 31 mins ago
Virtual Complex Chillers Commissioning Projects Support Engineer
Johnson Controls Inc.
United States
· Assists in the recommendation, development, and implementation of electronic enhancements and engineering changes to create new & enhanced product offerings that will improve product…
Added 33 mins ago
Operations Manager (Highways & Toll Roads)
CINTRA US SERVICES LLC
Austin, TX
…innovators and trailblazers. Ferrovial is also leading the development of the New Terminal One at JFK International Airport. Ferrovial shares trade under the ticker symbol FER on two stock…
Added 33 mins ago
Quality Engineer- Plastics
PLASCORE INC
ZEELAND, MI
The Quality Engineer plans and directs activities concerned with development, application and maintenance of quality standards for manufacturing processes, materials and products.
Added 34 mins ago
JH
Flight Test Instrumentation and Range Systems Engineer
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $100,000 USD / year
We are seeking a Flight Test Instrumentation and Range Systems Engineer to help us plan and execute upcoming tests of strategic missiles, reentry systems, hypersonic weapons, and other test…
Added 35 mins ago
Software Development Engineer, Amazon Customer Service
Amazon.com Services LLC
Austin, TX · Seattle, WA
- 1+ years of software development engineer or related occupational experience
Added 35 mins ago
Lead ASIC Modem Design Engineer, Satellite Communication
Amazon Kuiper Manufacturing Enterprises LLC
Sunnyvale, CA · San Diego, CA
Lead ASIC Modem Design Engineer, Satellite Communication role within a high performance ASIC Modem design team. This team is using industry leading methodologies to develop proprietary…
Added 36 mins ago
Project and Commissioning Engineer - Water Solutions
Emerson
San Diego, CA
…ideas come from great teams. Our commitment to ongoing career development and growing an inclusive culture ensures you have the support to thrive. Whether through mentorship, training, or…
Added 36 mins ago
ZT
Manufacturing Engineer, Advanced
Zebra Technologies
Knoxville, TN
- $108,960 to $163,440 USD / year
Design, develop, analyze, and implement manufacturing process in collaboration with Tier 1 suppliers. Lead Tier 1 suppliers teams to identify the root causes and resolution of manufacturing…
Added 39 mins ago
Distinguished Hardware Engineer
Cisco
San Jose, CA
As a Distinguished Engineer, you will serve as a technical visionary and advisor to Cisco’s engineering business and senior management. You will lead and influence key industry boards,…

Amazon.com Services LLC

Software Development Engineer II, Efficiency & Performance, Alloy, Region Flex Efficiency

Sunnyvale, CA, United States

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Job details

Posting language: English
Posted: Nov 2, 2026

Original job description

Amazon runs one of the world’s most complex eCommerce platforms, where operational efficiency directly drives profitability and customer satisfaction. Efficiency is core to Amazon’s DNA, reflected in the Leadership Principle of Frugality and the Flywheel strategy that lowers cost structures to fuel growth. With the cost of operating Amazon’s global infrastructure measured in billions of dollars, achieving true economies of scale rather than allowing scale to increase costs is essential to our success.

The Alloy team serves as Amazon’s central efficiency organization, leading company-wide cost optimization through intelligent and automated use of AWS resources. Our work spans thousands of internal services, enabling large-scale efficiency improvements with minimal engineering effort from partner teams. We drive optimization across multiple layers of Amazon’s stack, focusing on GPU efficiency infrastructure for AI/ML workloads through centralized scheduling, software performance profiling, and end-to-end storage optimizations through data lifecycle management. These cross-cutting initiatives transform isolated team optimizations into scalable, safe, and reusable systems that continuously improve efficiency across Amazon.

As a Software Development Engineer in Alloy, you will collaborate with service and infrastructure teams across Amazon to identify and eliminate performance bottlenecks in large-scale distributed systems. You will design and build mechanisms to measure, analyze, and automate performance improvements, using data to set and drive company-wide efficiency goals. You will work closely with Principal and Distinguished Engineers, gaining exposure to Amazon’s most advanced systems while developing deep technical expertise and leadership skills. Your work will directly influence how Amazon’s software and services operate at scale, delivering measurable cost savings in the tens to hundreds of millions of dollars each year and advancing Amazon’s commitment to operational excellence and sustainability.

In this role, you will:

Solve performance and efficiency problems that manifest at scale.
Design metrics and measure performance and cost efficiency of services in Amazon's ecosystem.
Collaborate with service teams to identify inefficiencies, and design and implement solutions.
Design and develop highly available components and profiling tools.

Key job responsibilities

Design and implement software solutions across the full development lifecycle - from product definition and scoping through coding, testing, deployment, and ongoing maintenance - ensuring high-quality, maintainable, and well-documented code.
Collaborate with customers, stakeholders, and cross-functional peers to understand business and customer needs, translating requirements into scalable system designs that account for performance, security, and extensibility tradeoffs.
Identify and resolve operational issues at their root cause, driving improvements to team operations and reducing support costs through proactive problem-solving and process enhancements.
Evaluate and integrate generative AI tools where appropriate to augment productivity and quality, applying responsible practices to refine outputs and accelerate development workflows.
Mentor and coach fellow engineers through code reviews and knowledge sharing, actively training new team members on system architecture, construction, and operational best practices.

About the team Our team is focused on building reliable, scalable software that directly impacts Amazon's customers. We value collaboration, clear communication, and a commitment to continuous improvement. Every engineer has a voice in technical decisions, and we encourage thoughtful debate to arrive at the best solutions. We are investing in new capabilities and looking for engineers who are excited to help shape our technical direction, grow their skills, and contribute to an inclusive environment where everyone can do their best work. Basic qualifications

3+ years of non-internship professional software development experience
2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
1+ years of software development engineer or related occupational experience
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 experience
1+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
1+ years of programming using a modern programming language such as Java, C++, or C#, including object-oriented design experience
Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field Preferred qualifications
3+ 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
Knowledge of system performance, memory management, and parallel computing principles

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, Sunnyvale - 165,200.00 - 223,600.00 USD annually

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