Jobs in the United States

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Added 19 mins ago
Product Security Engineer
Nominal
NY · WA
This is a high-ownership role for a software engineer who has moved into security and knows that secure products are designed in, not bolted on at the end.
Added 56 mins ago
Data Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
Charlottesville, VA
…unstructured data available today than ever before. As a data engineer, you know that organizing data can yield pivotal insights when it's gathered from disparate sources. We need an…
Added 2 hours ago
Infrastructure Engineer II
EMERGENT HOLDINGS, INC.
NEW BERLIN, WI
Added 2 hours ago
Software Engineer II- ECM Specialization
EMERGENT HOLDINGS, INC.
NEW BERLIN, WI
Added 2 hours ago
Training Environment Engineer - Military Health IT (JOMIS)
Rackner
Remote, United States
Training Environment Engineer - Military Health IT (JOMIS)
Added 2 hours ago
Network Engineer
Paragon Cyber Solutions
Colorado Springs, CO
We are seeking a Network Engineer to join a bright, talented, and dedicated team working on critical infrastructure and security-focused environments. In this role, you will help design,…
Added 2 hours ago
Cyber Security Engineer
Paragon Cyber Solutions
Crane, IN
Paragon Cyber Solutions is seeking a highly skilled and mission-driven Cyber Security Engineer to join our team in support of a critical defense program.
Added 2 hours ago
Software Developer/Engineer
Paragon Cyber Solutions
Colorado Springs, CO
…for an exciting and dynamic career as a Software Developer/Engineer to join other smart, talented, and dedicated engineers that pride themselves in analyzing the most difficult challenges.…
Added 3 hours ago
CL
MAINTENANCE ENGINEER II
City Light & Power
Denver, CO
- $40,123 USD / year
The CLPE Maintenance Engineer II will work with the Engineering Maintenance Team to provide technical expertise in distribution and substation equipment, and collaborate with stakeholders…
Added 4 hours ago
Fire Protection Engineer
Amentum
Richland, WA
The Fire Protection Engineer (FPE) fulfills a key role in the development and administration of the WTP Fire Protection Program (FPP) within the Direct Feed LAW (DFLAW) Operating Island.
Added 4 hours ago
Software Development Engineer II, Efficiency & Performance, Alloy
Amazon
Seattle, WA
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…
Added 4 hours ago
Network Development Engineer II , ALG Software and Network Integration and Test
Amazon
NORTHRIDGE, CA
We're looking for a Network Development Engineer who can design, build, and operate network infrastructure across data center and engineering environments. You'll own architectures that…
Added 4 hours ago
Marine Mechanic – Lead Technician
EPSILON SYSTEMS
San Diego, CA
…generation maintenance, repair, or inspection experience at the engineer, technician, planner, designer, foreman, or quality assurance level, concentrating on the specific…
Added 4 hours ago
Field Systems Engineer - Military Health IT (DDIL)
Rackner
Remote, United States
Field Systems Engineer - Military Health IT (DDIL)
Added 4 hours ago
OS
Lead Software Engineer/Technical Program Manager
Odyssey Systems Cons
Colorado Springs, CO
- $31,533 USD / year
We are seeking a Lead Software Engineer / Technical Program Manager to own both the technical architecture and program execution of the Multimode Threat Engagement Simulation Platform - a…
Added 4 hours ago
OS
Systems Cybersecurity Engineer
Odyssey Systems Cons
Colorado Springs, CO
- $31,533 USD / year
Odyssey is recruiting for a senior System Cybersecurity Engineer to join our elite team at Peterson Space Force Base in Colorado Springs, Colorado. In this role, you will be a hands-on…
Added 5 hours ago
Mechanical Product Design Engineer
Eaton Corporation
Orchard Park, NY
Eaton’s IS AER MSD division is currently seeking a Mechanical Product Design Engineer. This role is based in Orchard Park, NY.
Added 6 hours ago
Purchasing- Engineering Support Specialist II
Kansas City National Security Campus
Overland Park, KS
Added 7 hours ago
C
Technical Systems Engineer II (Full-Time) - United States
Cisco
RTP, NC
- Full-time
As a Technical Systems Engineer, you will maintain the health and performance of our cloud development environments to prevent system downtime. Build automated deployment workflows to…
Added 9 hours ago
Networks Systems Engineer III
Auria (Boecore LLC)
Colorado Springs, CO
Auria is looking to hire a Networks Systems Engineer III to support the Command, Control, Battle Management, and Communications(C2BMC) program. This role is onsite in Colorado Springs, CO.…
Added 10 hours ago
TA
Flight Dynamics Engineer
The Aerospace Corpor
Colorado Springs, CO
- $132,900 to $249,600 USD / year
Project Leader/Senior Project Engineer to join the EOFDD team. The selected candidate will provide expertise for a wide range of customer flight mechanics needs, supporting both analysis…
Added 10 hours ago
TA
2027 Trajectory Optimization Engineer
The Aerospace Corpor
Colorado Springs, CO
- $86,600 to $150,400 USD / year
This position requires the ability to obtain and maintain a security clearance, which is issued by the US government. U.S citizenship is required to obtain a security clearance.
Added 10 hours ago
Manufacturing Engineer 2 - Unmanned Underwater Vehicles (UUV) 31057
HII
Pocasset, MA
The Manufacturing Engineer II supports the development, documentation, and execution of manufacturing processes for Unmanned Underwater Vehicles (UUVs) in a defense contracting environment.…
Added 11 hours ago
Applications Engineer II IS -Remote
Providence St. Joseph Health
Billings, MT
The Application Engineer II is responsible for design, configuration, testing, implementation, and ongoing support of moderately complex applications and services. This role operates with…
Added 12 hours ago
Enterprise Security Systems, Senior Engineer II
Sempra
San Diego, CA
…change efforts - without supervising personnel. The Corporate Security Technology team is responsible for the enterprise physical security technology platforms supporting Sempra, SDG&E, and…

Amazon

Software Development Engineer II, Efficiency & Performance, Alloy

Seattle, WA, United States

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Job details

Posting language: English
Posted: Oct 30, 2026

Original job description

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.

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.

A day in the life

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.

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 Object Oriented Design experience
Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
Experience programming with at least one software programming language

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

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

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, WA, Seattle - 143,700.00 - 194,400.00 USD annually

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More about this job

Skills

Software development
AWS
Leadership
Problem solving
Communication skills
Process improvement
C#
C++
Oracle Java
Perl
Computer science
Recruitment
Mental health

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