Software Engineer Performance Tools jobs in San Jose – Browse 619 openings on RoboApply Jobs

Software Engineer Performance Tools jobs in San Jose

Open roles matching “Software Engineer Performance Tools” with location signals for San Jose. 619 active listings on RoboApply Jobs.

619 jobs found

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companyEtched logo
Full-time|On-site|San Jose

About EtchedEtched is pioneering the development of the world's first AI inference system explicitly engineered for transformers, providing over 10x greater performance while significantly reducing costs and latency compared to traditional solutions. Our Etched ASICs enable the creation of products that were previously unattainable with GPUs, such as real-time video generation models and deeply parallel chain-of-thought reasoning agents. With substantial backing from leading investors and a team of top-tier engineers, Etched is reshaping the infrastructure for one of the fastest-growing industries in history.Job SummaryWe invite you to join our innovative team as a Software Engineer - Performance Tools. In this pivotal role, you will spearhead the development of an advanced performance analysis tool specifically designed for Sohu. Your expertise will be crucial in creating essential tools that empower our ML engineers and clients to comprehend workload behaviors, pinpoint performance limitations, and fully harness the potential of Sohu in accelerating the most demanding ML applications globally. This unique opportunity allows you to influence the performance analysis landscape for groundbreaking hardware from its inception.Key ResponsibilitiesTool Architecture & Design: Lead the architecture and design of a robust performance analysis suite, incorporating data collection mechanisms, processing pipelines, analysis engines, and user interfaces (CLI and/or GUI).Low-Level Data Collection: Create reliable methods to gather performance data directly from our custom ML accelerator hardware (e.g., hardware performance counters, execution unit status, memory access patterns) through driver interfaces or other means.Host & System Tracing: Establish tracing for host-side API interactions (runtime libraries, driver communications) and system-level events (CPU activity, PCIe traffic, memory usage, network contention) associated with Sohu workloads.Data Correlation & Synchronization: Develop and implement methodologies for accurately correlating performance events across host CPUs, device drivers, PCIe buses, multiple accelerators, and various hosts, ensuring precise time synchronization.Performance Analysis Engine: Construct analysis modules to automatically interpret the collected trace and counter data, identifying key performance limits (e.g., compute-bound, memory bandwidth-bound, latency-bound, PCIe-bound).

Jan 18, 2026
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companyaxiado logo
Full-time|On-site|San Jose

axiado is seeking a Senior Quality Assurance Engineer focused on Performance & Reliability to join the team in San Jose. This position centers on upholding strong quality and performance standards throughout the software development process. Role overview The Senior Quality Assurance Engineer will design, implement, and run comprehensive tests to verify that software products consistently meet demanding performance and reliability expectations. The work involves close attention to detail and a proactive approach to uncovering and addressing potential issues before they reach users. Key responsibilities Create and maintain rigorous test plans targeting performance and reliability aspects of software products Execute tests, analyze results, and identify areas for improvement Collaborate with development teams to resolve issues and enhance product quality Impact This role directly supports the success of axiado's products by ensuring that users experience reliable and high-performing software. Attention to quality at every stage helps prevent issues from affecting customers and strengthens the overall product offering.

Apr 29, 2026
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companyArcher logo
Full-time|$126.7K/yr - $164.2K/yr|On-site|San Jose, California, United States

Archer is an innovative aerospace company headquartered in San Jose, California, dedicated to revolutionizing air travel through the development of an all-electric vertical takeoff and landing (eVTOL) aircraft. Our mission is to enhance sustainable air mobility, providing a quieter, eco-friendly solution for urban transportation. At Archer, we embrace the challenges of cutting-edge aerospace technology, fostering a culture of diversity and inclusion that empowers our team to achieve groundbreaking results. We are committed to creating a workplace that values differences, supports our team members, and celebrates every contribution.What You’ll Do:Conduct comprehensive vehicle-level trade study analyses.Define and validate performance requirements for our aircraft.Characterize aircraft performance and capabilities, and perform simulations to support Functional Hazard Analyses (FHAs).Analyze flight test data, identify model errors, and refine vehicle physics models.Contribute to the development of flight training devices and pilot-in-the-loop simulator models.Collaborate with internal and external suppliers to integrate their systems into our vehicle simulations, covering dynamics, powertrain, actuation, sensors, and environmental modeling.Support design and analysis activities to ensure compliance with business and regulatory standards.Develop embedded aircraft performance models for inclusion in the aircraft flight manual, flight management system, and airline operations.

Feb 5, 2026
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companyEtched logo
Full-time|On-site|San Jose

About EtchedAt Etched, we are pioneering the world's first AI inference system uniquely designed for transformers, achieving over 10x greater performance, along with significantly reduced costs and latency compared to conventional solutions like the B200. Our innovative ASICs enable the creation of groundbreaking products, such as real-time video generation models and highly advanced deep reasoning agents. With substantial backing from premier investors and a team of top engineers, Etched is transforming the infrastructure layer for the fastest growing industry in history.Key ResponsibilitiesDevelop detailed performance models and forecasts for Etched's transformer-centric architecture across various workloads and configurations.Profile and assess deep learning workloads on Etched to detect micro-architectural bottlenecks and potential optimization areas.Create analytical and simulation-driven models to anticipate performance across different architectural setups and design trade-offs.Collaborate with hardware architects to influence micro-architectural decisions based on workload characteristics and performance insights.Facilitate hardware/software co-optimization by pinpointing opportunities where architectural features can substantially enhance performance.Analyze and optimize memory hierarchy efficiency, interconnect utilization, and computational resource effectiveness.Establish performance benchmarking frameworks and methodologies tailored specifically for transformer inference workloads.Performance CharacterizationConstruct detailed roofline models and performance forecasts for Etched across various transformer architectures (e.g., Llama, Mixtral).Profile production inference workloads to identify and mitigate micro-architectural bottlenecks.Evaluate memory bandwidth, compute utilization, and interconnect performance to inform next-gen architecture decisions.Develop performance modeling tools that forecast chip behavior based on different batch sizes, sequence lengths, and model configurations.Characterize the performance implications of architectural features such as specialized datapaths, memory hierarchies, and on-chip interconnects.Benchmark Etched's architectural efficiency against competitive solutions to ensure industry-leading performance.

Nov 10, 2025
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companyarcher56 logo
Full-time|On-site|San Jose, California, United States

archer56 is hiring a Software AI Operations & Tools Lead based in San Jose, California. This position guides the integration of AI tools into the company’s software architecture and shapes the operational strategies that support both products and internal processes. Main responsibilities Lead the integration of AI tools within current software systems Collaborate with teams across engineering, product, and operations to improve efficiency Develop and refine processes that enable AI-driven solutions Help define the direction for AI operations and tooling across the organization Collaboration and influence This role works closely with multiple groups to make sure AI tools are embedded effectively in the software stack, supporting both immediate and long-term needs.

Apr 23, 2026
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companyEtched Inc. logo
Full-time|On-site|San Jose

About EtchedAt Etched, we are pioneering the first AI inference system designed specifically for transformers, achieving performance levels exceeding 10x that of traditional solutions while significantly reducing costs and latency. Our innovative ASICs empower the development of products that were previously unimaginable with GPUs, such as real-time video generation models and highly complex reasoning agents. Supported by substantial investments from leading venture capitalists and a team of top engineering talents, Etched is setting new benchmarks in AI infrastructure, a sector experiencing unprecedented growth.Job OverviewWe are seeking a visionary Head of Performance Profiling to lead the understanding of performance metrics across our next-generation AI accelerator systems.Our machine learning accelerator platform encompasses custom silicon, advanced supercomputing software, compiler stacks, runtime libraries, and distributed inference environments. Performance analysis at this scope transcends device-level inquiries; it represents a complex distributed systems challenge. You will craft performance metrics that link raw hardware signals to distributed workload contexts, ML cluster behaviors, communication patterns, and emerging bottlenecks.This position goes beyond traditional telemetry. You will create new abstractions, structured counter ontologies, frameworks for cross-layer event correlation, distributed time-alignment strategies, and scalable reasoning systems that operate across nodes, racks, and clusters. Engaging at the crossroads of hardware design, driver architecture, runtime systems, and ML infrastructure, you will influence how we interpret and utilize performance intelligence. This foundational role will shape our tooling and the platform's approach to efficiency, scalability, and system behavior for years to come.

Feb 19, 2026
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companyCouchbase Inc. logo
Full-time|On-site|San Jose, CA

Join Couchbase Inc. as a Principal Software Engineer and play a pivotal role in designing and implementing innovative software solutions. You will collaborate with cross-functional teams to drive the technical direction of our products, ensuring high performance and scalability. Your expertise will guide the development of robust systems that meet customer needs and industry standards.

Apr 10, 2026
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companyarcher56 logo
Full-time|On-site|San Jose, California, United States

Join archer56 as a Staff Software Engineer specializing in Engineering Applications. In this pivotal role, you will leverage your extensive software engineering expertise to develop innovative solutions that enhance our engineering capabilities. Collaborate with cross-functional teams to design, implement, and optimize applications that streamline engineering processes and improve productivity.

Apr 8, 2026
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companyExtreme Networks, Inc. logo
Senior Software Systems Engineer

Extreme Networks, Inc.

Full-time|On-site|San Jose, California, United States

Join Extreme Networks, a global leader in cloud-driven networking solutions trusted by over 50,000 customers worldwide. Our innovative services empower organizations to enhance their digital transformation journeys, yielding remarkable progress and scalability. With a consistent double-digit growth year over year, we stand out as a premier provider committed to delivering exceptional outcomes.At Extreme, inclusion is woven into our core values. We are dedicated to cultivating a diverse and inclusive workplace where every employee thrives, and their unique perspectives contribute to our collective success.Be a part of something significant with Extreme! Discover why now is the perfect time to join our dynamic team.

Jan 13, 2026
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company
Full-time|On-site|San Jose Office (HQ)

About Tessera Labs: At Tessera Labs, we are pioneering the integration of Artificial Intelligence into enterprise operations. Supported by Foundation Capital and led by an exceptional founding team, we create advanced multi-agent AI systems designed to automate intricate business workflows across various platforms including SAP, Salesforce, Workday, Snowflake, and MuleSoft. Our mission is to deliver genuine AI automation to enterprises with unmatched speed, precision, and measurable outcomes. We thrive on rapid execution, embrace accountability, and innovate at the cutting edge of applied AI.Job Overview:We are on the hunt for a dynamic Frontend Engineer who flourishes in a fast-moving, high-responsibility startup atmosphere. This hands-on position is ideal for a proactive individual who is ready to take charge of the user experience from ideation through to deployment. You will be expected to iterate swiftly based on user feedback while optimizing for performance, usability, and speed. Your role will involve designing and developing intricate UI components, interactive dashboards, and data visualizations that have a direct influence on our end users.If you are passionate about tackling challenging UI problems, delivering polished interfaces at a rapid pace, and collaborating in a supportive, low-ego environment, we invite you to apply for this exciting opportunity.

Apr 8, 2026
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companyEtched logo
Full-time|On-site|San Jose

About EtchedEtched is pioneering the world's first AI inference system specifically designed for transformers, achieving over 10x higher performance, significantly reduced costs, and minimal latency compared to B200 systems. Our custom ASICs enable the development of innovative products that were previously unattainable with GPUs, such as real-time video generation models and advanced chain-of-thought reasoning agents. With substantial backing from leading investors and a team of top engineers, Etched is revolutionizing the infrastructure of one of the fastest-growing industries in history.Key ResponsibilitiesAssist in porting cutting-edge models to our architecture and contribute to the development of programming abstractions and testing capabilities to streamline the model porting process.Develop, enhance, and scale Sohu’s runtime, focusing on multi-node inference, intra-node execution, state management, and effective error handling.Optimize routing and communication layers utilizing Sohu's collectives.Employ performance profiling and debugging tools to pinpoint bottlenecks and correctness challenges.Ideal Candidate ProfileStrong proficiency in C++ or Rust programming languages.Solid understanding of performance-critical and complex distributed software systems, including Linux internals, accelerator architectures (e.g., GPUs, TPUs), compilers, and high-speed interconnects (e.g., NVLink, InfiniBand).Familiarity with machine learning frameworks such as PyTorch or JAX.Experience in porting applications to non-standard accelerator hardware or platforms.Preferred QualificationsExperience in developing low-latency, high-performance applications using both kernel-level and user-space networking stacks.In-depth understanding of distributed systems concepts, algorithms, and challenges, including consensus protocols and communication patterns.Thorough knowledge of Transformer architectures, particularly Mixture-of-Experts (MoE).Experience building applications with substantial SIMD (Single Instruction, Multiple Data) optimizations for performance-critical paths.BenefitsHealth Insurance401k

Jun 17, 2025
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companyExtreme Networks, Inc. logo
Staff Software Systems Engineer

Extreme Networks, Inc.

Full-time|On-site|San Jose, California, United States

Join a thriving community of over 50,000 customers worldwide who trust our innovative, cloud-driven networking solutions. At Extreme Networks, we empower organizations to accelerate their digital transformation and achieve remarkable progress through our award-winning services and unwavering support. With consistent double-digit growth each year, we are uniquely positioned to deliver scalable outcomes that transform businesses.At our core, we value inclusion and diversity, creating a workplace where every employee can flourish because of their unique perspectives and experiences. We believe that our differences are our strength, and we are dedicated to fostering an environment that supports everyone’s success.Now is the perfect time to become part of something significant with Extreme! As a global leader in networking, discover the exceptional opportunities that await you on the Extreme team.

Nov 24, 2025
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companyFloQast logo
Full-time|Hybrid|San Jose, California

San Jose or LA CA (Hybrid)At FloQast, we are revolutionizing the way accounting teams function with our AI-driven workflows. Our platform is trusted by thousands of companies worldwide, serving as a comprehensive operating system for accounting that streamlines intricate financial processes into efficient, dependable, and scalable systems.We are in search of a Staff Software Engineer who not only develops software but also contributes to shaping platforms, enhances team efficiency, and drives substantial impact. In this pivotal role, your architectural choices will significantly affect the entire FloQast application ecosystem, directly fostering innovation across our product offerings.

Sep 22, 2025
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companyEfficient Computer logo
Full-time|$160K/yr - $210K/yr|On-site|San Jose, CA OR Pittsburgh, PA

At Efficient, we are on a mission to create the world's most energy-efficient general-purpose computer processor. Our patented technology utilizes an astonishing 100 times less energy than the leading ultra-low-power processors available today. This groundbreaking efficiency allows for continuous AI/ML operations on just a AA battery for a remarkable 5-10 years. Our platform's unparalleled efficiency empowers IoT devices to intelligently gather and curate first-party data, paving the way for the next computing revolution.We invite a Senior Software Optimization Engineer to join our dynamic team at Efficient. In this pivotal role, you will design, optimize, and deploy applications for our state-of-the-art programmable processor known as the “Fabric.” You will take ownership of complex, performance-critical applications, collaborating closely with our compiler team to implement customer specifications, validate software quality, and offer deep technical insights into compiler interactions. This position presents a unique opportunity to engage in cutting-edge hardware/software co-design, while making an immediate impact in advancing the next generation of embedded applications.

Feb 20, 2026
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companyArcher logo
Full-time|$110K/yr - $150K/yr|On-site|San Jose, California, United States

Archer is an innovative aerospace firm located in San Jose, California, dedicated to creating an all-electric vertical takeoff and landing aircraft. Our goal is to enhance sustainable air mobility, designing, manufacturing, and operating an aircraft capable of transporting four passengers with minimal noise production.We aim high and tackle challenging problems, believing that a diverse workforce fosters smarter solutions, deeper insights, and collective success. Archer is committed to nurturing an inclusive and equitable environment that values differences and supports every member of our team.What you will do:Manage Archer's integrated lab environments to support validation and verification processes, including quality assessments, human factors evaluations, and test pilot training.Work collaboratively across internal teams and with suppliers to integrate, instrument, and maintain the configuration of simulation models within a real-time hardware-in-the-loop environment.Develop simulation models of various systems and integrate them into the overarching framework.Create and implement graphical user interfaces to facilitate control of the real-time simulation environment.Support the execution of test plans and automation of testing procedures.

Feb 5, 2026
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companyitD logo
Full-time|$55/hr - $62/hr|Hybrid|San Jose

Role overview itD seeks an Embedded Diagnostic Software Engineer to design, develop, and validate embedded diagnostic solutions. This position plays a key part in system reliability, performance, and smooth integration between hardware and software. The work centers on hands-on embedded systems development and low-level programming. The engineer will address complex interactions between hardware and software, debug challenging issues, and deliver code ready for production use. Location This is a hybrid position based in San Jose, CA. Expect to be onsite four days per week, with flexibility for five days onsite as needed. Compensation The hourly pay range is $55 to $62. Requirements Extensive experience in embedded systems development Strong low-level programming skills Demonstrated ability to debug complex hardware and software issues Track record of delivering production-quality solutions Benefits Medical coverage 401k plan Paid holidays Additional benefits included Additional details Direct W2 candidates only No sponsorship available

Apr 23, 2026
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companyRoku, Inc. logo
Full-time|$195K/yr - $408K/yr|On-site|San Jose, California

Collaboration Fuels Innovation. Transforming the Viewing ExperienceRoku is the leading TV streaming platform in the U.S., Canada, and Mexico, with ambitions to power every television globally. As pioneers in streaming technology, our goal is to connect consumers with their favorite content, empower content creators to build and monetize large audiences, and offer advertisers unparalleled tools to engage users.From day one at Roku, your contributions will be recognized and valued. Join a rapidly growing public company where you can make a difference and delight millions of TV streamers worldwide while expanding your expertise across various disciplines. About the Team The Ad Engineering Team is essential for creating a scalable and reliable real-time advertising platform crucial for expanding Roku's advertising business. We are seeking a Senior Software Engineer to join our Advertising Platform team, playing a key role in this mission. If you have extensive experience in developing complex systems, a passion for technology at scale, and enjoy mentoring and problem-solving, this opportunity is for you! About the Role As a leader in the TV streaming industry, Roku continues to innovate and shape the future of streaming through The Roku Channel. Our success depends on our investment in Advertising Engineering. The ideal candidate will exhibit a strong curiosity, blending a global vision with locally relevant execution. Successful candidates will showcase a balance of technical and interpersonal skills, adapting quickly to changing business needs.Building a real-time, highly scalable, and available advertising platform is vital for our success. Our team's mission is to develop a top-tier advertising platform that supports and enhances Roku's rapidly growing ad business, ensuring high performance and user privacy.For California Only - The estimated annual salary for this position ranges from $195,000 to $408,000. Compensation packages consider unique factors for each candidate, including experience and qualifications.

Mar 19, 2026
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company
Full-time|On-site|San Jose, CA

About the RoleJoin our team as a Senior Robotics Software Engineer, responsible for developing and managing the essential platform infrastructure for our cutting-edge autonomous robots. We are looking for a versatile robotics engineer with a strong background in software development across middleware, device integration, embedded systems, build and deployment pipelines, and cloud infrastructure.ResponsibilitiesTake ownership of the robotics platform stack from middleware to embedded software across various robot configurations.Develop infrastructure for sensor integration, data capture, system observability, and comprehensive diagnostics for our fleet.Enhance developer workflows by creating tools that increase team productivity and efficiency.Design and manage CI/CD processes, build, and deployment pipelines, along with fleet management systems for embedded targets.Lead architectural discussions on system design, messaging protocols, and cross-team integrations.

Mar 20, 2026
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company
Full-time|On-site|San Jose (US-HQ)

Location: On-site in San Jose, California or Trondheim, NorwayAbout UsBacked by leading venture capitalists in Silicon Valley, Trener Robotics is at the forefront of revolutionizing robotics. Our approach merges cutting-edge AI for intuitive programming with pre-trained skill models, ensuring expertise in industrial tasks. With offices in San Jose (USA) and Trondheim (Norway), our software empowers users with exceptional ease of use and unparalleled capabilities, enabling robots to think, adapt, and execute complex tasks efficiently.About the RoleWe are on the lookout for a dedicated Software-Focused Integration Engineer to join our dynamic robotics team. In this pivotal position, you will enhance and deploy the software architecture that drives our robotic systems. Your primary responsibilities will include integrating sensors, peripherals, and control systems through robust software solutions, facilitating seamless communication between hardware components and our AI-driven robotics platform.Key ResponsibilitiesDesign and implement software integration strategies for robotic systems, including sensor suites, cameras, and peripheral devices.Develop and maintain drivers and interfaces for various peripherals such as machine tools, conveyor systems, sensors, and PLCs.Integrate and calibrate vision systems into robotic workflows.Set up robot workcells and conduct rigorous software validation testing.Review robot scripts to ensure proper functionality.Provide comprehensive technical documentation and support for software integration processes.Diagnose and resolve software integration issues and performance challenges.

Mar 17, 2026
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companyAntora logo
Full-time|On-site|San Jose, CA

We are seeking a talented and innovative Senior Controls & Software Engineer to join our dynamic team at Antora in San Jose, CA. In this role, you will be responsible for developing and optimizing control systems and software solutions that drive our cutting-edge technology. You will collaborate with cross-functional teams to ensure seamless integration and performance of our systems.

Mar 23, 2026

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