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Added 3 mins ago
Software Engineer, Bugbot
SpaceXAI
New York, NY · San Francisco, CA
We're hiring a Software Engineer to work on Bugbot. Bugbot reviews pull requests, catches bugs, suggests improvements, and is becoming a critical part of how engineering teams ship…
Added 3 mins ago
Engineering Manager, Agent & Product Security
SpaceXAI
New York, NY · Palo Alto, CA
- Engineer the isolation that makes Cursor safe to run inside customers' most valuable codebases: tenancy, workspace, secret, and data protections designed for real adversaries
Added 3 mins ago
Model Engineer
SpaceXAI
Palo Alto, CA
- Design and run rigorous experiments that turn research ideas into measurable gains in model capability
Added 3 mins ago
Software Engineer, Compute Infra
SpaceXAI
San Francisco, CA · New York, NY
As a Software Engineer on Compute Infra at SpaceXSI, you'll build the sandbox infrastructure that gives every agent its own VM. These VMs power coding agents, Grok Bot, reinforcement…
Added 3 mins ago
Software Engineer, Client Infrastructure
SpaceXAI
San Francisco, CA
As an Engineer on the Client Infrastructure team at SpaceXSI, you'll design and build the systems that make our desktop experience performant and stable for millions of developers. You'll…
Added 3 mins ago
ASIC Design Engineer, Cloud TPU
Google
Sunnyvale, CA
As an RTL Design Engineer on the TPU team, you will be a key contributor to the development of Google's AI accelerators. You will leverage your expertise in digital logic design, computer…
Added 3 mins ago
Staff Software Engineer, AI/ML, Cloud IAM, Dataset and Model Training
Google
Sunnyvale, CA
…information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile;…
Added 6 mins ago
AWS Lead Software Engineer-Backend Java/Spring Boot
JPMorgan Chase
Wilmington, DE
As an AWS Lead Software Engineer-Backend Java/Spring Boot at JPMorgan Chase within Consumer and Community Banking's Digital Connected Banking team, you are an integral part of an agile team…
Added 6 mins ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
Dover, DE
Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies
Added 6 mins ago
C
Senior .NET Full Stack Engineer with C#
Cognizant
Dover, DE
- $86,000 to $99,000 USD / year
As a Senior .NET Full Stack Engineer with C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 6 mins ago
C
Senior Full Stack Engineer – .NET & C#
Cognizant
Dover, DE
- $86,000 to $99,000 USD / year
As a Senior Full Stack Engineer – .NET & C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 6 mins ago
C
Senior Java Full Stack Engineer – Spring Boot & AWS
Cognizant
Dover, DE
- $86,000 to $99,000 USD / year
As a Senior Java Full Stack Engineer – Spring Boot & AWS , you will make an impact by designing and delivering scalable, secure, cloud-based applications using Java, Spring Boot, React, and…
Added 6 mins ago
MB
Lead Software Engineer
M&T Bank
Wilmington, DE
- $128,100 to $213,500 USD / year
Design process for peer review and coach others on code reviews, code quality, and improvements.
Added 6 mins ago
MB
Senior Technical Engineer - BI Analytics Platform Administrator - SAP Enterprise Business Objects
M&T Bank
Wilmington, DE
- $106,700 to $177,900 USD / year
Engineer and support platform components including Central Management Server, Central Management Console, Adaptive Processing Servers, Web Intelligence, Crystal Reports, File Repository…
Added 6 mins ago
MB
Senior Technical Engineer - BI Analytics Platform Administrator - Tableau
M&T Bank
Wilmington, DE
- $106,700 to $177,900 USD / year
Engineer and support multi-node Tableau Server clusters, Tableau Services Manager configurations, licensing, topology, background processes, and server settings.
Added 6 mins ago
C
Senior Knowledge Graph & Ontology Architect
Cognizant
Dover, DE
- $130,000 to $160,000 USD / year
Design and govern enterprise ontologies, semantic models, and knowledge graph architectures, including OWL/RDF ontologies, classes, properties, taxonomy structures, and SHACL validation…
Added 6 mins ago
C
GCP data Engineer
Cognizant
Dover, DE
- $100,000 to $120,000 USD / year
Cognizant is seeking an experienced Knowledge Graph Data Engineer to build and operate the connectivity, profiling, and graph/search foundation that powers enterprise ontology and knowledge…
Added 6 mins ago
Lead Infrastructure Engineer - GenAI/AI Automation/AWS
JPMorgan Chase
Wilmington, DE
As a Lead Infrastructure Engineer - GenAI/AI Automation/AWS at JPMorganChase within the Consumer and Community Banking team, you apply deep knowledge of software, applications, and…
Added 6 mins ago
C
Data Quality Engineer (Databricks & dbt)
Cognizant
Dover, DE
- $70,000 to $117,000 USD / year
We are seeking a Data Quality Engineer to ensure the accuracy, consistency, and reliability of enterprise data platforms. The ideal candidate will design and automate data quality testing…
Added 6 mins ago
Senior Workday Security Engineer
CVS Health
Dover, DE
CVS Health is seeking an experienced Senior Workday Security Engineer to join the HR Technology Workday Security team. This role designs, supports, governs, and optimizes security across…
Added 6 mins ago
Lead Software Engineer - Java/Microservices/AWS
JPMorgan Chase
Wilmington, DE
As a Lead Software Engineer - Java/Microservices/AWS at JPMorganChase within the Consumer and Community Banking team, you are an integral part of an agile team that works to enhance, build,…
Added 6 mins ago
Sr. Lead Software Engineer
JPMorgan Chase
Wilmington, DE
As a Senior Lead Software Engineer at JPMorgan Chase within Consumer and Community Banking, you will be a key member of a team designing and delivering high-quality architecture solutions…
Added 6 mins ago
CMC Mechanical Analysis Lead Engineer
GE Aerospace
Dover, DE
The Lead Engineer will be responsible for supporting and leading mechanical analysis projects for CMC hot section hardware and/or interfacing metallic components with specific focus on…
Added 6 mins ago
Senior Network Engineer
Cognizant
Dover, DE
We are seeking an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise data-center, campus, branch, wireless, and hybrid-cloud networks. The…
Added 6 mins ago
MB
Senior Technical Engineer - Microsoft Fabric & Power BI Administration
M&T Bank
Wilmington, DE
- $106,700 to $177,900 USD / year
…gateways, security, monitoring, and platform integrations. The engineer delivers secure, scalable, highly available analytics services while partnering with infrastructure, networking,…

Majestic Labs

AI Kernel Engineer

Los Altos, CA, United States

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Job details

Posting language: English

Original job description

Description

We’re a fast-moving, US-Israeli AI startup building next-generation infrastructure for the world’s most demanding AI workloads. Our mission is to accelerate the future of intelligence and make it ubiquitously accessible by delivering full stack custom AI servers optimized for large-scale inference and training. Backed by top-tier investors and led by industry veterans, we’re scaling rapidly. We seek forward-thinking engineers and operators who thrive in a collaborative environment and excel at solving complex challenges from first principles. If you want to build infrastructure that fundamentally changes what the world can accomplish with AI, come join us!

About the position

Design and implement high-performance compute kernels for AI primitives such as GEMM, attention, normalization, and convolution.
Optimize for throughput, latency, and memory hierarchy across heterogeneous compute units (SIMD, matrix engines, DMA).
Collaborate with compiler and runtime teams to integrate kernels into Triton and PyTorch pipelines.
Profile and tune kernels using tools like Perfetto, VTune, Tracy, Nsight, or custom simulators.
Prototype and evaluate precision formats (FP16/BF16/FP8/e5m2, MXFP/FP4, etc.).
Contribute to micro-architecture feedback loops, helping co-design ISA and memory features with the hardware team.

Requirements

Degree at any level in Computer Science, Computer Engineering, or a related field from a recognized university.
Strong background in parallel programming (CUDA, Triton, RISC-V Vector (RVV), POSIX Threads, or OpenMP).
Deep understanding of memory layout, vectorization, thread/block scheduling, and cache behavior.
Experience programming wide-SIMD vector units and matrix/systolic engines.
Familiarity with the parallel-computing ecosystem and its high-performance libraries and
primitives, such as BLAS/BLIS, dense linear algebra, and parallel scan/reduce/sort.
Skilled in performance analysis and parallel debugging using tools such as GNU Debugger and Nsight.
Hands-on experience profiling and optimizing compute or AI workloads (e.g., GEMM, softmax, attention).
Solid grasp of numerical stability, precision formats, and mixed precision arithmetic.
Proficiency in C++17 or higher, with strong knowledge of standard algorithms, data structures, and generic programming paradigms.
Collaborative work style with the ability to operate effectively in multicultural, cross-disciplinary environments.

Preferred qualifications

Experience with optimization of irregular algorithms, such as graph computations or sparse
numerical linear algebra, combining high-level data structure design with low-level SIMD and synchronization optimizations.
Familiarity with LLVM/MLIR.
RISC-V systems or bare-metal programming, including RISC-V vector and matrix extensions.

We seek smart, curious, self-driven individuals who enjoy creative problem-solving and continuous learning. Even if you don't meet all requirements, we'd love to hear from you if you have the mindset to tackle complex challenges. Majestic Labs is an equal opportunity employer deeply committed to diversity of background and thought. If you are ready to dare greatly, learn from mistakes, engage in vigorous debates, and help create a step-function shift in human technical capability, we want to meet you!

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