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Added 7 mins ago
Senior Mechanical Systems Engineer
KLA Corporation
Milpitas, CA
The Semiconductor Products and Customers (Semi PC) business unit designs, builds and sells KLA’s product portfolio to help chip manufacturers meet high-quality standards for technologies…
Added 9 mins ago
CC
In Circuit Test Engineer II
CIRCUIT CHECK INC
Maple Grove, MN
- $36 to $43 USD / hour
…a fast-paced, technology driven organization where our test designs impact products that are used by millions of people around the world every day, then we invite you to join us at Circuit…
Added 13 mins ago
A
Computer Engineer
Alluvionic
Port Hueneme, CA
- $105,010 to $122,837 USD / year
Alluvionic is seeking an experienced Computer Engineer to support the Naval Surface Warfare Center, Port Hueneme Division. This position contributes to the design, development, testing, and…
Added 13 mins ago
Civil Engineer
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…Roads Design position, we are looking for a Transportation Engineer to prepare and oversee engineering designs, plans and specifications for the construction of roadway improvement projects…
Added 14 mins ago
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Early Career R&D Mechanical Engineer - National Security Products Center, NM/CA, Onsite
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Develop early concepts and mature them into producible engineering designs.
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- $105,650 to $149,150 USD / year
As a Circuit Design Engineer, you will play a pivotal role in designing and optimizing cutting-edge digital circuits for custom blocks such as SRAM, register files, memory compilers, and…
Added 14 mins ago
IT Infrastructure Engineer VI, Security
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Research Engineer, Agentic Infrastructure, liftlab - Stanford Law School
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The Research Engineer reports to the lab Directors, Prof. Julian Nyarko and Dr. Megan Ma. The Directors collaboratively design the research agenda, study designs, and methodological…
Added 14 mins ago
Applied Research Lead, AI for Teaching
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Added 14 mins ago
Chief Engineer - Aircraft Development
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Added 14 mins ago
Aerodynamicist
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Added 14 mins ago
Mission Assurance Engineer, PMP - Millennium Space Systems
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Added 14 mins ago
Staff Engineer 3
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…SLAC National Accelerator Laboratory is seeking an Electronics Engineer to contribute to development of state-of-the-art electronics systems used in a variety of experiments and facilities.…
Added 14 mins ago
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Product RF Engineer
TEKsystems
Cupertino, CA
- $60 to $75 USD / hour
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Added 15 mins ago
PD Methodology Engineer, Annapurna Labs - Cloud Scale Machine Learning
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Cupertino, CA
Annapurna Labs (our organization within Amazon Utility Computing) designs silicon and software that accelerates innovation. Customers choose us to create cloud solutions that solve…
Added 15 mins ago
Senior Engineer, SoC HAL
Amazon
Cupertino, CA
Annapurna Labs builds the custom silicon at the heart of AWS machine learning servers, and we are hiring a senior engineer to own the architecture of the Hardware Abstraction Layer (HAL)…
Added 15 mins ago
Software Development Engineer, SoC HAL
Amazon
Cupertino, CA
Annapurna Labs builds the custom silicon at the heart of AWS machine learning servers, and we are hiring a software engineer to help build the Hardware Abstraction Layer (HAL) that brings…
Added 15 mins ago
Senior Engineering Manager, YouTube, Recommendations ML
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ECAD Application Development Engineer, Design Technologies
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Amazon Lab126 is an inventive research and development company that designs and engineer’s high-profile consumer electronics. Lab126 began in 2004 as a subsidiary of Amazon.com, Inc.,…
Added 15 mins ago
Senior Software Development Engineer in Test, Confidential Computing - SDET
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As an engineer on this Confidential Computing QA team, you will do many feature development that include test plan development, automate testbench independent test specification and…
Added 15 mins ago
Mixed Signal Design Engineer - New College Grad 2026
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…team and help move the needle! We are looking for a senior engineer to be part of the mixed-signal design team building next generation NVLINK. This position offers the opportunity to have…
Added 15 mins ago
Technical Program Lead
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Experience developing, reviewing, or managing technical documentation, engineering analyses, requirements, system designs, integration products, or program deliverables.
Added 15 mins ago
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Product RF Engineer
TEKsystems
San Diego, CA
- $60 to $75 USD / hour
We are seeking a skilled RF Engineer to join our team in Cupertino. As part of our team, you will be responsible for executing RF characterization, conducting OTA antenna measurements,…
Added 15 mins ago
Electrical Design Engineer (San Diego, CA)
Malin Space Science Systems
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Malin Space Science Systems (MSSS) is a private technology company that designs, develops and operates space camera systems for government and commercial aerospace customers and provides…

Amazon

Software Development Engineer, SoC HAL

Cupertino, CA, United States

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Job details

Posting language: English
Posted: Nov 7, 2026

Original job description

Description

Annapurna Labs builds the custom silicon at the heart of AWS machine learning servers, and we are hiring a software engineer to help build the Hardware Abstraction Layer (HAL) that brings these chips to life. If you love working where hardware meets software, writing the code that boots, configures, and debugs some of the largest custom silicon in the world, this is your team.

As a Software Engineer on the SoC HAL team, you will write and test C++ for the driver stack across the hardware blocks that make up our chips, learn how the silicon works from the engineers who design it, and grow your skills on a small, fast-moving team inside a large organization. No machine learning background is required (you will pick up ML concepts from colleagues if you want to). This role is based in Cupertino, CA.

Key job responsibilities

Implement, test, and maintain HAL/driver features for individual hardware blocks (for example PCIe, DDR / HBM memory, DMA, system fabric, interrupt controllers, and boot / firmware), working from designs and interfaces set by more senior engineers.

Write clean, well-tested C++ and contribute to the team's test, code-review, and continuous-deployment practices.

Debug failures that span software and silicon, with support from the team, and build an understanding of how the HAL interacts with the hardware underneath it.

Learn the hardware/software interface by partnering with RTL and design verification engineers on well-scoped questions.

Provide feature additions and bug fixes on current and prior chips.

A day in the life

A typical day moves between writing and reviewing C++ for the HAL, pairing with a teammate on a tricky bug, and learning how a hardware block works from its spec or from the engineer who designed it. You might add a feature to a driver, write tests for it, and work through code-review feedback, then dig into a failure that spans software and silicon. Your teammates are the HAL engineers you build alongside; the hardware design, verification, and firmware teams are close partners you will learn from; and your customers are the internal software teams that rely on the HAL to boot, configure, and debug the chip.

About the team

Annapurna Labs designs and deploys some of the largest custom silicon in the world, including the Trainium and Inferentia machine learning accelerators. Our SoC HAL team builds the low-level software that boots, configures, and manages these chips, sitting between the hardware and the system software that runs the server. We are a small team that works closely with hardware, holds a high engineering bar, and invests in helping engineers grow. Based in Cupertino, CA, we value mentorship, clear written design, and software that outlasts any single chip.

Basic Qualifications

Knowledge of programming languages such as C/C++, Python, Java or Perl
Experience (non-internship) in professional software development, or currently enrolled in or recently completed a Bachelor's or Master's degree in computer science or a related field
Experience with data structures, algorithms, and software design fundamentals

Preferred Qualifications

Bachelor's degree or above in Computer Science, Computer Engineering, or related fields at time of application
Coursework, internship, or project experience in computer architecture or operating systems
Experience with C or C++ and object-oriented design
Exposure to low-level, embedded, or hardware-adjacent programming
Familiarity with testing, debugging, source control, and build processes in a team setting

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 starting pay for this position is listed below. Starting Day 1 of employment, Amazon offers EAP, Mental Health Support, Medical Advice Line, 401(k) matching. Learn more about our benefits at https://hiring.amazon.com/why-amazon/benefits .

Cupertino, CA, USA - 148,400.00 USD Annually

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