Jobs in the United States

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Added 4 mins ago
Software Engineer
Cisco
San Jose, CA
Join our team as a Software Engineer to design, develop, and sustain the core software that powers Cisco’s Wireless Access Point product line. Your focus will be on partnering with team…
Added 5 mins ago
Senior Electrical Engineer- PCBA Designer
ASML US, LP. (US30)
San Diego, CA
As Senior Electrical Engineer - PCBA Design Engineer, you’ll:
Added 6 mins ago
Deputy Node Lead
Panthalassa
Portland, OR
…system integrating mechanical structures, electrical power, embedded controls, software, data, operations, and ocean deployment realities. There are few precedents and no…
Added 14 mins ago
Software Development Engineer, AWS EC2 Nitro Team
Amazon Development Center U.S., Inc.
Santa Clara, CA
We are looking for an experienced software engineer to drive development for new EC2 Machine Learning platforms. In this role, the engineer will work with a broad group of technical teams…
Added 14 mins ago
Software Development Engineer, AWS EC2 Nitro Team
Amazon Development Center U.S., Inc.
Santa Clara, CA
We are looking for an experienced software engineer to drive development for new EC2 Machine Learning platforms. In this role, the engineer will work with a broad group of technical teams…
Added 14 mins ago
Software Development Engineer, AWS EC2 Nitro Team
Amazon Web Services, Inc.
Santa Clara, CA
We are looking for an experienced software engineer to drive development for new EC2 Machine Learning platforms. In this role, the engineer will work with a broad group of technical teams…
Added 14 mins ago
Software Development Engineer, AWS EC2 Nitro Team
Amazon.com Services LLC
Santa Clara, CA
We are looking for an experienced software engineer to drive development for new EC2 Machine Learning platforms. In this role, the engineer will work with a broad group of technical teams…
Added 18 mins ago
Principal Engineer Software
Northrop Grumman
Orlando, FL · Orlando
The Principal Software Engineer will perform embedded software design, development, unit testing, and integration into embedded tactical platforms with low power and challenging…
Added 18 mins ago
Principal Engineer/Sr. Principal Engineer Digital-RF Subsystems I&T Lead
Northrop Grumman
Baltimore, MD · Baltimore
Control architectures and control design/integration for hardware with firmware, embedded software, and ASICs
Added 19 mins ago
FPGA Engineer
Northrop Grumman
Rolling Meadows, IL · Rolling Meadows
You will develop FPGA-based digital subsystems integrated into circuit card assemblies, working closely with systems, software, hardware, and integration & test engineers. Designs utilize…
Added 19 mins ago
Principal/Sr. Principal FPGA Engineer
Northrop Grumman
Rolling Meadows, IL · Rolling Meadows
You will develop FPGA-based digital subsystems integrated into circuit card assemblies, working closely with systems, software, hardware, and integration & test engineers. Designs utilize…
Added 22 mins ago
Principal Embedded Software Engineer-17488
Northrop Grumman
Roy, UT · Roy
Northrop Grumman Defense Systems is seeking a Principal Embedded Software Engineer for the Flight / Guidance Navigation & Control (GN&C) Software Team. This position will be located in Roy,…
Added 23 mins ago
Senior Engineer - Firmware Engineer
MSI - (Marvell Semiconductor Inc.) US
Santa Clara, CA
We are looking for technology passionate engineers with focus on execution and quality to help innovate and develop highly scalable and distributed embedded network software.
Added 42 mins ago
Sr. / Staff Software Engineer, Infrastructure (Autonomy)
DiDi Labs
San Jose, CA · Mountain View, CA
We are seeking an experienced Sr. Software Engineer / Staff Software Engineer, Infrastructure to lead the architecture and evolution of the core platform powering our autonomous driving…
Added 48 mins ago
Software Development Engineer, Promotions Calculations Lifecycle (PCL)
Amazon.com Services LLC
Seattle, WA
We are looking for a Software Development Engineer II (SDE II) to own the design, build, and operation of services on this critical path. You will work on high-throughput, low-latency…
Added 50 mins ago
Software Engineer
Intuitive
Sunnyvale, CA
The engineer should be comfortable writing code in Python, managing branches with Git, and supporting large, complex projects to support software development goals.
Added 51 mins ago
Principal Engineer Software
CORP-Corporate Office
United States
The Principal Software Engineer will perform embedded software design, development, unit testing, and integration into embedded tactical platforms with low power and challenging…
Added 55 mins ago
GD
Lead Software Engineer
Green Dot Corporation
Los Angeles, CA
- $139,900 to $199,300 USD / year
We are seeking a highly skilled and motivated Lead Software Engineer to join our team, supporting a highly transactional (approx. 500-800 TPS) system. This role will be instrumental in…
Added 1 hour ago
Electrical Systems Engineer (OCONUS Travel)
Noblis
Philadelphia, PA
Noblis is hiring an Electrical Systems Engineer to provide engineering, technical, logistics, and obsolescence support to U.S. Navy ships and vessels related to the following systems and…
Added 1 hour ago
Sr. Software Engineer (Starlink Enterprise)
SpaceX
Palo Alto, CA
The Starlink Enterprise Software team builds interfaces and systems for Starlink’s largest customers. Starlink powers complex and critical tasks across hundreds of sectors: emergency…
Added 1 hour ago
Software Engineer (Starlink Enterprise)
SpaceX
Palo Alto, CA
The Starlink Enterprise Software team builds interfaces and systems for Starlink’s largest customers. Starlink powers complex and critical tasks across hundreds of sectors: emergency…
Added 1 hour ago
Software Development Engineer, Eva Development Team
Amazon Data Services, Inc.
Bellevue, WA
You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with…
Added 1 hour ago
Software Development Engineer, AWS EC2 Nitro Team
Amazon Development Center U.S., Inc.
Santa Clara, CA
We are looking for an experienced software engineer to drive development for new EC2 Machine Learning platforms. In this role, the engineer will work with a broad group of technical teams…
Added 1 hour ago
R
Research Engineer, Benchmarks & Evaluation
Ramp
New York City, NY · San Fransisco, CA
- $204,400 to $352,000 USD / year
Ramp is building the smart infrastructure for finance teams, embedded in the transaction flow of every dollar a business spends. We automate how over $275B in annualized spend flows in and…
Added 1 hour ago
Machine Learning / AI Engineer
Bose Corporation, U.S.A
Remote, United States
You’ll collaborate with engineers across machine learning, software, embedded systems, and hardware. Along the way, you’ll deepen your technical expertise, contribute your ideas, and learn…

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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