Principal Application Engineer

About Neuralink:At Neuralink, we are pioneering cutting-edge technology that establishes a two-way interface with the human brain. Our innovative devices aim to restore motor function to those who are paralyzed, provide sight to the visually impaired, and transform human interaction with digital environments.Team Overview:As part of the internal applications team, you will collaborate with an interdisciplinary group of experts — including neuroscientists, physicists, chip designers, pathologists, and mechanical engineers — to develop Neuralink's central data aggregation and analysis platform. This platform is designed to collect, organize, and visualize a wide array of data, such as neural signal recordings, brain histology images, and both experimental and operational data. Our projects are essential for advancing engineering and experimentation within Neuralink.Work Environment:We function like a dynamic internal startup, rapidly developing software solutions to address critical challenges faced by the company. Our work typically involves creating full-stack tools, although we embrace a variety of technology stacks.As a cohesive and high-trust team, you will have significant ownership over your projects and the freedom to tackle complex problems, coupled with high expectations for performance.We are moving swiftly to meet clinical demands and support ongoing deployments. Expect to work around 60 hours a week during peak times; this role is not suited for everyone.Position Overview:This internship offers a high degree of autonomy and ownership. You will work side by side with engineers and scientists to develop software that has a direct and meaningful impact on Neuralink's mission. Depending on the day, you may spend time coding independently or collaborating with colleagues to comprehend new workflows and devise appropriate tools.We are seeking adaptable software engineers who are passionate about designing and implementing sophisticated software solutions and thrive in an environment that encourages innovative problem-solving.As an intern, you will contribute to applications that will enhance Neuralink's efficiency significantly, including:

About Neuralink:At Neuralink, we are pioneering groundbreaking technologies that facilitate a bi-directional interface with the human brain. Our mission is to create devices that empower individuals by restoring movement to the paralyzed, reviving sight for the visually impaired, and transforming the way humans engage with their digital environments.We are on the lookout for a motivated Software Engineer Intern who possesses a strong foundation in programming and has the ability to quickly adapt to new challenges. This role will involve working on diverse projects, including surgical robotics, implant communication, manufacturing automation, cloud infrastructure, and brain-computer interface (BCI) software.If you have proven your exceptional skills, thrive in a high-intensity setting, and desire to take ownership of technology that is making a significant impact, we invite you to join our team.

About Neuralink:At Neuralink, we are pioneering the development of groundbreaking devices that facilitate a symbiotic interaction with the human brain. Our innovative technologies aim to restore mobility for individuals with paralysis, enhance vision for those who are blind, and transform the way humans engage with their digital environments.Team Overview:The Robot Software Team is at the forefront of creating software that supports scalable neurosurgical procedures, enabling the safe implantation of the N1 device. Our work encompasses core control systems, sensor integration, autonomous functionalities, and surgical analytics, necessitating close collaboration with the hardware, surgery engineering, and BCI applications teams to ensure the successful and secure deployment of our technologies.At Neuralink, we foster a meritocratic culture characterized by open and honest communication, where we believe that the best ideas prevail. We are committed to building high-performing teams through rigorous inquiry and collaboration. If this ethos resonates with you, we invite you to join our mission.Internship Responsibilities:As a Software Engineer Intern on our Robot Software Team, you will play a crucial role in developing software that runs directly on our surgical robots, ensuring real-world functionality beyond mere simulation. You will work on integrating actuated devices with microelectromechanical systems and implementing novel surgical procedures, with a strong focus on precision, reliability, and fail-safe designs. Your key responsibilities will include:Creating safety-critical software for robotic systems, contributing directly to software that is ready for surgical applications.Taking ownership of significant projects from design through implementation, with guidance from experienced team members.Proactively resolving issues that arise during operations to support non-software teams in the seamless functioning of the robot.Collaborating across various engineering disciplines, integrating software with mechanical, electrical, biological, and neuroscience teams.

About Neuralink:At Neuralink, we are pioneering the development of groundbreaking devices that facilitate a bi-directional interface with the brain. Our innovative technology aims to restore movement to the paralyzed, restore sight to the blind, and transform the way humans interact with their digital environments.Team Description:The Brain Interfaces Software Team is tasked with overseeing the entire software stack that governs implant communication, verification, manufacturing, and monitoring. We develop client-side SDKs and comprehensive platforms utilized across various divisions within the organization. We are in search of adaptable engineers who are passionate about designing and implementing sophisticated software solutions, and who thrive on the autonomy to propose inventive strategies for problem-solving.Neuralink is committed to maintaining a meritocratic workplace: we foster honest and transparent communication to ensure that the best ideas prevail. We believe that exceptional solutions emerge when high-performing individuals engage in rigorous and thoughtful inquiry. We are eager to collaborate with outstanding talent, and we encourage those who excel to take on greater responsibility and contribute to our collective success. If this resonates with you, we invite you to join our team.

Join Saronic as a Systems Software Engineer Intern for the summer of 2026 in the vibrant city of Austin, Texas. This internship offers a unique opportunity to immerse yourself in the world of systems software development, where you will work alongside seasoned professionals on cutting-edge projects. Your contributions will play a vital role in enhancing our software systems and ensuring optimal performance.

IMPORTANT: Please be aware, scammers may try to impersonate Zello by reaching out regarding job opportunities. We will never ask you for bank account information, checks, or other sensitive information as part of our hiring process. All correspondence will come from the zello.com email domain. If you’re unsure, please email recruiting@zello.com with questions.About ZelloZello is a premier voice-first communication platform that leverages our cutting-edge push-to-talk technology to enhance collaboration and productivity for desk-less workers. With over 175 million users globally, we proudly stand as the leading push-to-talk app worldwide, facilitating an astonishing 9 billion messages each month.We are deeply committed to our core values, which guide our mission daily. We take pride in supporting frontline workers, connecting individuals during crisis situations around the world, and honoring our commitment to first responders.And this is where you come in.Zello's Data & AI team has successfully launched customer-facing AI features (such as the Ella assistant, AI Insights, message summaries, and AI-driven search) and is currently developing the internal AI infrastructure that will enhance the efficiency and effectiveness of all teams within the company. We are seeking an engineering intern who can tackle real operational challenges—such as support triage bottlenecks, manual data workflows, and fragmented internal knowledge—and create functional AI-powered tools. This is a hands-on role focused on building rather than merely observing or researching.The RoleYou will report to the Head of Data & AI, collaborating with the AI engineering team to design and implement internal productivity tools powered by LLMs, embeddings, and automation. The ideal candidate is someone who has independently built projects utilizing LLMs—not just because it was assigned, but out of genuine curiosity and a desire to see it come to fruition. You will have significant autonomy, real users, and tangible impact from your very first week.After a Successful Internship, You Will Have:Delivered at least two internal AI tools that are essential to Zello teams on a weekly basis—be it an automated triage agent, a CRM enrichment pipeline, an LLM-driven Slack workflow, or something entirely new.Made substantial contributions to Zello's AI platform infrastructure—such as enhancements to embeddings pipelines, RAG systems, evaluation frameworks, or reusable components for future projects.Dramatically reduced manual effort in at least one operational workflow, providing clear before-and-after metrics to demonstrate your impact.Created comprehensive documentation that enables others to easily understand and build upon your work.

Internship OverviewJoin us as an Industrial Engineer Intern this summer, where you will play a vital role in shaping the future of our autonomous service vessels. This immersive internship offers an invaluable opportunity to apply your theoretical knowledge in a practical environment, contributing to projects that enhance national security and drive maritime innovation. We are looking for enthusiastic students pursuing a degree in industrial engineering or a related discipline who are eager to make a meaningful impact in the defense technology sector.

About Neuralink:At Neuralink, we are pioneering the development of advanced devices that facilitate a bi-directional interface with the human brain. Our innovative technology aims to restore movement to those with paralysis, enhance vision for the visually impaired, and transform the way humans engage with their digital environments.Team Overview:The Mechanical Engineering Team for Brain Interfaces is at the forefront of designing, constructing, and testing mechanical systems that are integral to our implants and chargers. Our team also focuses on developing testing infrastructure to expedite hardware development and manufacturing, designing electronic packaging for chargers and implant components, and crafting tooling for seamless integration with surgical robots.Role Overview and Responsibilities:As a Mechanical Engineering Intern, you will play a key role in the design and fabrication of hardware solutions for our cutting-edge brain-computer interface systems. This includes components for surgical robotics, automation, microfabrication, and more. You will engage in diverse projects from conception to production, leveraging your mechanical engineering expertise in this dynamic field. Your key responsibilities will include:Designing, constructing, testing, and validating systems for the implant and associated hardware components.Enhancing manufacturing processes and equipment to bolster in-house production capabilities.Scoping, designing, and iterating custom tooling and fixtures necessary for the implant assembly process.Collaborating with Quality Assurance, Electrical Engineering, BCI Software, Microfabrication, and Surgical Engineering teams to define system requirements and verification/validation testing protocols.Meeting aggressive project timelines to ensure prompt delivery from initial concept to final implementation.

Are you passionate about robotics and software development? Join us at Diligent Robotics as a Software Engineer specializing in Robotic Applications. You will have the opportunity to design, implement, and test software solutions that enhance our robotic systems, making a significant impact in the field of automation and artificial intelligence.

Join Allen Control Systems as a Manufacturing Intern and gain invaluable experience in a dynamic and innovative environment. This internship offers a unique opportunity to work alongside seasoned professionals, where you will assist in various manufacturing processes, learn about production techniques, and contribute to projects that enhance operational efficiency.

About Etched Etched builds AI inference systems designed specifically for transformer models. The company’s technology delivers over ten times the performance of traditional solutions, while cutting both cost and latency. Etched’s advanced ASICs enable products that were once out of reach for GPUs, such as real-time video generation and complex reasoning agents. Backed by leading venture capital and a team of experienced engineers, Etched is focused on reshaping the infrastructure for one of the fastest-growing industries. Role Overview The Design Verification Engineer - Internal IP will join the Internal IP DV team in Austin. This role centers on validating custom IP blocks that drive Etched’s products, including systolic arrays, DMA engines, and NoCs. The work ensures these components are ready for silicon and deliver high performance. The position involves close collaboration with architects, RTL designers, and software, firmware, and emulation teams to confirm the integrity and efficiency of the hardware-software stack. What You Will Do Develop and maintain UVM/SystemVerilog testbenches for compute arrays, DMA engines, NoCs, and memory subsystems. Design and execute detailed verification plans covering functional correctness, edge cases, concurrency, and performance tuning. Debug complex datapath and protocol issues in RTL and testbench environments. Work directly with architects and designers to validate functionality and design intent. Partner with software, firmware, and emulation teams to support comprehensive bring-up and debugging. Help build reusable DV infrastructure, coverage models, and improve verification methodologies. Qualifications Expert knowledge of UVM and SystemVerilog. Strong analytical and debugging skills for complex digital designs. Solid understanding of computer architecture and core digital design concepts. Hands-on experience verifying datapaths, memory systems, interconnects, or high-throughput fabrics. Preferred Additional background with verification tools and methodologies is beneficial.

About Speechify Speechify aims to remove reading barriers and improve learning for everyone. Over 50 million people use Speechify’s text-to-speech tools to turn PDFs, books, Google Docs, and web content into audio. The product lineup includes apps for iOS, Android, Mac, and a Chrome Extension. Recent recognition includes Google’s Chrome Extension of the Year and Apple’s 2025 Design Award for Inclusivity. The team is nearly 200 strong, fully remote, and includes engineers from Amazon, Microsoft, and Google, as well as leaders from top universities like Stanford. Role Overview: Senior Software Engineer – Windows/Desktop Applications Location: Austin, TX, USA What You Will Do Lead the design, architecture, and development of native Windows desktop apps using Windows App SDK, WinUI or similar frameworks, with C#, XAML, and C++ as needed. Establish and maintain best practices for Windows desktop development, focusing on code structure, performance, memory management, responsive UI, and compatibility across Windows 10 and 11. Drive accessibility by integrating and validating support for accessibility APIs, ensuring UI controls, focus management, keyboard navigation, and screen-reader compatibility. Collaborate with product designers, UX researchers, QA, and other stakeholders to shape feature planning, UI/UX architecture, and the long-term strategy for the Windows platform. Manage the full lifecycle of features: from conception and design through implementation, testing, release, and ongoing maintenance, with a focus on quality and consistency. Troubleshoot and resolve complex bugs, performance problems, memory leaks, and compatibility issues, recommending architectural or design improvements as needed.

As a leading name in the realm of online real estate for over 25 years, Realtor.com® is the most trusted destination for real estate professionals. We connect buyers, sellers, and renters with invaluable insights and expert guidance to facilitate their journey toward finding the perfect home. Our extensive suite of tools not only influences the broader real estate industry but also empowers consumers in making one of life's most significant purchases through a user-friendly experience that simplifies decision-making.Be a part of our mission to empower individuals in their quest for a home by dismantling barriers to entry, fostering the right connections, and instilling confidence through expert insights.Senior Software Engineer - Mobile ApplicationsAt Realtor.com®, we serve as a comprehensive resource for homebuyers, renters, sellers, and dreamers, offering a plethora of for-sale listings, insightful information, valuable tools, and professional expertise. Join us in making a positive impact on the millions of Americans seeking to purchase a home each year by crafting beautiful and intuitive mobile app experiences.If you are passionate about Design Systems, tackling complex UI challenges, and creating scalable architectures, you will thrive here. Our technology team engages in research and development of highly scalable, data-driven consumer-facing applications while exploring new technologies and trends to continuously enhance our offerings. Collaborate with top-tier talent in a culture that encourages experimentation and learning.The Component Systems team is seeking a Senior Software Engineer specializing in UI Component Systems and Android app development. You will play a pivotal role in shaping the user experience of Realtor.com®'s mobile applications, which attract millions of unique visitors daily. Your contributions will influence the design and architectural decisions for our internal component library and its supporting ecosystem of tools and processes. As a vital member of this team, you will help develop a critical component that enables our engineering community to build scalable applications across all consumer product lines.We believe in utilizing cutting-edge tools to solve problems efficiently. You will be expected to proficiently use AI coding assistants and LLMs to enhance development velocity, generate boilerplate code, and troubleshoot intricate debugging scenarios. This role requires critical judgment to evaluate AI-generated outputs for security, performance, and accuracy, and you should be comfortable integrating AI tools into your routine to streamline repetitive tasks, allowing you to focus on high-impact architectural and strategic initiatives.

About Base PowerBase Power is revolutionizing the energy landscape in America. As a next-generation power company, we are committed to reshaping the very foundation of modern civilization—electricity. By deploying an extensive network of distributed batteries, we are transforming the fragile, centralized grid into a robust and plentiful system. Our team comprises engineers, operators, and creatives tackling some of the most intricate interdisciplinary challenges of our time.About the RoleAs a Growth Intern, you will be an integral part of our Go-To-Market (GTM) team, where you’ll gain hands-on experience in sales, marketing, and customer support. You will engage directly with customers and play a significant role in contributing to various essential aspects of our startup. If you have a passion for the intersection of technology and human interaction, this internship might be the perfect opportunity for you.What You'll DoAssist in executing effective go-to-market strategies aimed at enhancing customer acquisition.Foster and maintain strong relationships with customers to ensure an exceptional customer experience.Utilize HubSpot and other analytical tools to assess customer interactions.Collaborate with the sales team to achieve targets and streamline processes.Conduct research on target segments and generate outbound leads.Support the launch of innovative marketing campaigns to attract inbound leads.What You'll BringA genuine interest in customer relations, sales, and building connections.A foundational understanding of technology sales and software products.Excellent communication skills in English, both written and verbal.The capability to deliver outstanding customer service and establish rapport with clients.Preferred SkillsExperience with HubSpot (or similar CRM systems) and Zapier.Relevant internship or work experience.Our ValuesFirst Principles Thinking: Challenge assumptions. Principles lead over rules.Operate at Base Pace: Prioritize effectively, take swift action, and learn through practice.Give & Get Feedback: Be straightforward, humble, and maintain a growth mindset.

About UsAt Cloudflare, we are dedicated to creating a better Internet. Currently, our company operates one of the largest networks globally, supporting millions of websites and Internet services for a diverse clientele, from individual bloggers to SMBs and Fortune 500 enterprises. Cloudflare enhances and secures any online application, eliminating the need for additional hardware, software installations, or code alterations. All Internet properties utilizing Cloudflare enjoy traffic routed through our intelligent global network, which improves with each request, resulting in significant performance boosts and reduced spam and attacks. Cloudflare has been recognized in Entrepreneur Magazine’s Top Company Cultures and ranked among the World’s Most Innovative Companies by Fast Company.We seek proactive individuals who recognize the gaps in the Internet that others have simply accepted. We value candidates who can identify a 'normalized' issue and possess the AI-driven curiosity to devise solutions using cutting-edge tools. Our culture emphasizes iteration and collaboration, leveraging AI to accelerate shipping today for enhancements tomorrow, while sharing every improvement, no matter how minor, to uplift the entire team. If you prioritize curiosity over bureaucracy and view AI as a partner in tackling complex challenges to advance the Internet, you will thrive here.Location: Austin, TXRole SummaryYour mission will be to construct the technical framework that powers Cloudflare's Go-To-Market (GTM) strategy. You will create AI-driven agents and web applications to automate and scale critical marketing and sales operations. This position is ideal for a self-motivated engineer eager to apply a modern full-stack approach to address real-world business challenges, connecting strategic GTM objectives with technical execution.What You Will Gain from This Internship:Generative AI & Agents: Become proficient with the Cloudflare Agents SDK and LLM orchestration.Full Stack Development: Develop scalable, stateful GTM applications at the Edge.GTM Strategy: Understand how technology facilitates global sales and marketing success.Entrepreneurship: Oversee the entire lifecycle of a technical project from concept to internal launch.

About Neuralink Neuralink develops advanced devices that enable direct communication between the human brain and computers. The company’s mission focuses on restoring movement for people with paralysis, providing vision to those who are blind, and redefining how humans interact with technology. Team Overview The electrical engineering team builds the core systems behind Neuralink’s brain-computer interfaces. Their work covers neural signal acquisition, stimulation, wireless power, embedded processing, and system integration. Devices must remain compact for implantation and operate efficiently within strict thermal and power limits. The team addresses challenges that blend analog, RF, digital, and biological systems, relying on careful measurement, iterative design, and solid engineering judgment. Internship Overview Neuralink is looking for an Electrical Engineering Intern to support the design and testing of implant electronics boards and integration with custom chips. This internship provides hands-on experience with innovative projects and the chance to work closely with experienced engineers. What You Will Do Apply electrical engineering fundamentals to design systems that are high-performance, reliable, manufacturable, and meet tight size requirements. Gain exposure to all phases of system and board design: system definition, component selection, schematic capture, layout, bring-up, and verification. Participate in research and development to evaluate new implant and charger technologies. Collaborate with other teams to support effective system integration. Help improve system latency, battery life, reliability, and safety through design enhancements. Learn to design and implement hardware-in-the-loop testing and quality control systems for manufacturing. Locations Austin, Texas, United States; Fremont, California, United States

Join Togetherwork as an AI Engineering Intern in our Austin, TX office, where you'll have the opportunity to work on innovative projects that leverage artificial intelligence and machine learning. As an intern, you will collaborate with experienced engineers and data scientists, gaining firsthand experience in developing cutting-edge AI solutions.Your contributions will directly impact our mission to enhance community connections through technology. If you’re passionate about AI and eager to learn in a dynamic environment, we want to hear from you!

Join our dynamic team as a Transportation Intern at Jobs for Humanity! This internship offers an incredible opportunity to gain hands-on experience in the transportation sector. You will work closely with our experienced professionals, contributing to projects that enhance accessibility and inclusivity in transportation. Throughout your internship, you'll have the chance to develop your skills, engage in meaningful work, and make a positive impact on communities. We are looking for enthusiastic individuals eager to learn and grow in a supportive environment.

lvcollective is seeking a Summer Intern focused on Social Media and Brand Marketing within the hospitality sector in Austin, Texas. This internship centers on building brand presence and engaging audiences through digital channels. Role overview The intern will support the team by developing creative social media strategies and producing content that reflects the brand’s voice. Collaboration with team members is key, as the role involves contributing ideas and assisting with marketing campaigns designed to connect with the target audience. What you will do Assist in planning and executing social media initiatives Create and curate content that aligns with brand identity Work alongside the marketing team to support ongoing campaigns Help ensure consistency in messaging across platforms Requirements Interest in social media and brand marketing Strong communication and collaboration skills Enthusiasm for the hospitality industry