Senior Software Optimization Engineer

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.

About Tessera Labs: We are pioneering the way businesses integrate and implement Artificial Intelligence solutions. Supported by Foundation Capital and a team of renowned experts, we specialize in creating multi-agent AI systems designed to automate intricate business processes across various platforms including SAP, Salesforce, Workday, Snowflake, and MuleSoft among others. Our mission is to provide genuine AI automation for enterprises, ensuring speed, accuracy, and measurable impact. We thrive in a fast-paced environment, taking ownership of our projects and pushing the boundaries of applied AI.Location: San Jose, CA or RemoteDuration: 10–12 weeksHours: Maximum of 40 hours per weekStart Date: June 2026Job Summary: We are seeking a motivated Frontend Software Engineering Intern who is eager to learn and contribute within a dynamic startup environment. In this hands-on position, you will collaborate closely with our engineering team to enhance the user experience from concept through deployment. You will design UI components, develop interactive dashboards, and create data visualizations that directly influence user engagement. If you thrive on overcoming UI challenges, delivering polished interfaces, and learning in a supportive team environment, this internship presents an exceptional opportunity to gain practical experience.Key Responsibilities:Assist in the development of UI components, dashboards, and data visualizations.Help maintain and enhance reusable component libraries.Support the implementation of client-side state management and user interactions.Contribute to the creation of intuitive user interfaces for internal tools, AI models, and data workflows.Collaborate with the engineering team to improve usability and performance.Learn to identify and resolve performance bottlenecks in frontend systems.Take initiative on smaller projects and features under the guidance of senior engineers.Learning Opportunities:Gain hands-on experience with React, TypeScript, and modern frontend frameworks.Understand scalable UI design patterns and component libraries.Work on real-world challenges in data visualization, dashboards, and interactive interfaces.

Archer designs and builds all-electric vertical takeoff and landing aircraft that seat four passengers. The company focuses on sustainable air mobility, aiming for quieter and cleaner transportation options. Diversity and inclusion are core values at Archer. The team is committed to fostering an equitable workplace where every perspective is respected and supported. Role overview The Frontend Engineer will create and enhance internal web applications using Vue 3. These tools are essential for both engineering and operations teams, helping streamline workflows and solve real-world challenges at Archer. Collaboration with the Data Team is a key part of this role. Together, you will build a visualization platform that turns complex flight test data into clear, actionable insights for various teams. Location This position is based in San Jose, California, United States.

Join Kognitos as a Senior/Staff Software Engineer - UIKognitos is at the forefront of revolutionizing the trillion-dollar hyper-automation industry. Our innovative multi-agent automation platform empowers systems to think, plan, and act with precision. We aim to elevate the debugging process to a natural language level, removing the fragility of conventional programming languages that fail under real-world complexities.We are committed to developing AI systems that prioritize safety and transparency while delivering tangible business results. Our talented team comprises engineers from prestigious companies such as Google, Microsoft, Meta, and Amazon, along with academic backgrounds from institutions like IIT, Stanford, CMU, UC Berkeley, and Georgia Tech.With offices in Mountain View, CA, and Bangalore, India, we foster close collaboration across regions.Role OverviewAs a Senior/Staff Software Engineer - UI, you will lead our Frontend team in San Jose. This pivotal role allows you to influence the technical direction and foster a collaborative culture within a key product area. You will focus on building and scaling our frontend platform while mentoring engineers and closely partnering with Product, Design, and Backend leaders.Expect hands-on involvement in developing robust, high-performance user interfaces utilizing cutting-edge frontend technologies, while establishing best practices for performance, accessibility, and maintainability.

Join our dynamic team at Sonsoft Inc. as a Java Frontend Developer, where you will create innovative web applications that enhance user experience. You will collaborate with cross-functional teams to design and implement cutting-edge solutions using Java and related technologies.

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.

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.

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.

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

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.

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.

Join our innovative team at System Canada Technologies as a Frontend Developer. We are looking for a skilled professional with expertise in ExtJS, jQuery, and JavaScript, along with a solid understanding of the MVC architecture. This is an exciting opportunity to enhance your skills in a dynamic environment while working on cutting-edge projects.

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.

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

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.

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.

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.

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.

Western Digital Corporation is hiring a Principal Software and Automation Engineer based in San Jose. This position takes the lead in designing, developing, and deploying advanced software solutions aimed at increasing automation throughout the company’s operations. What you will do Lead the creation and implementation of software that drives automation across operational processes. Collaborate with cross-functional teams to deliver systems that are both efficient and reliable. Support business objectives by ensuring that automation solutions align with organizational goals. Collaboration This role involves working closely with colleagues from various departments, ensuring that solutions meet the needs of multiple stakeholders and contribute to overall business efficiency.