Software Engineering Internship at Exa | San Francisco

About TacitTacit is an innovative deep tech startup located in San Francisco, dedicated to transforming human-computer interaction through groundbreaking hardware solutions. Our venture is supported by prominent investors such as General Catalyst, Khosla Ventures, and Greylock Partners, with a founding team comprising experts from Stanford, BrainGate, Oculus, and Tesla. We are on a mission to tackle pioneering engineering challenges to bring visionary products to life.About the RoleWe are looking for a passionate PhD student to join us as an Antenna Engineering Intern. In this role, you will collaborate closely with our talented engineers and researchers to design, simulate, analyze, and validate advanced antenna systems for our wireless sensing hardware. This internship offers invaluable hands-on experience throughout the entire product lifecycle, emphasizing design optimization and performance reliability. You will have the unique opportunity to work on impactful problems, contributing directly to 0-to-1 product development in a vibrant startup environment.Key ResponsibilitiesDesign and evaluate antennas for specific wireless channel link budgets, considering various solutions and trade-offs between key performance indicators (KPIs).Conduct computational electromagnetic simulations and develop new models utilizing full-wave electromagnetic software tools.Analyze and interpret simulation results, providing insights and recommendations for design enhancements and performance optimization.Create mock-ups for proof-of-concept prototypes and test vehicles, build testing fixtures and platforms, and develop solutions to automate antenna system development and data analysis workflows.Support the PCB layout design process and DFM reviews, ensuring readiness for mass production with vendors and external manufacturing partners.Collaborate with cross-functional teams to integrate antennas into complete device form factors.Conduct antenna characterization to ensure integrated antennas meet specifications in free space and on-body, from prototype to mass production.Assist in sensor calibration to minimize device-to-device variability and maintain reliable performance under various operating conditions and user scenarios.Optimize hardware systems for low-noise and low-interference, high-resolution signal detection.

About Tacit Tacit is an early-stage deep tech startup based in San Francisco, focused on hardware that changes how people interact with computers. Backed by General Catalyst, Khosla Ventures, and Greylock Partners, the team brings experience from Stanford, BrainGate, Oculus, and Tesla. The company is committed to solving complex engineering problems to deliver new products that push the boundaries of human-computer interaction. Role Overview The Full-Stack Software Engineer will help turn ambitious ideas into real products, working across Tacit's software stack. This role involves taking features from initial concept through to deployment and shaping user experiences that support the company’s mission. What You Will Do Develop the internal product stack to improve workflows and prototypes across devices and companion clients. Build and expand internal applications for demos and data collection, supporting idea testing and user experience validation. Prototype new features for human-computer interaction, iterate with test users, and refine until the experience feels seamless. Design and run product experiments, including A/B tests and feedback loops, to quickly gather insights and guide product direction. Streamline data collection and participant experiences, including setup flows, session reliability, metadata capture, monitoring, and labeling. Develop demo features that showcase real-time sensing and inference in engaging, reliable ways. Find and implement integrations that improve team workflows and efficiency. Create and improve automated testing and release systems, such as CI/CD pipelines, smoke tests, and regression checks, to support frequent updates. Work closely with machine learning, hardware, and industrial design teams to define requirements, deliver results, troubleshoot, optimize, and ensure reliability. Qualifications Strong skills in Python (FastAPI, Pydantic; experience with pandas or numpy) and modern TypeScript/React. Experience building production backends (APIs, data models, reliability, observability) and delivering features for end users. History of shipping multiple products from start to finish.

About TacitTacit is a pioneering deep tech startup located in San Francisco, focused on creating groundbreaking hardware that transforms human-computer interaction. Supported by notable investors such as General Catalyst, Khosla Ventures, and Greylock Partners, our founding team comprises experts from Stanford, BrainGate, Oculus, and Tesla. While we are unable to disclose extensive details at this moment, our team is passionately addressing advanced engineering challenges to develop revolutionary products.About the RoleWe are on the lookout for a driven Electrical Engineering Intern to assist in the development and scaling of test infrastructure for our innovative sensing technology. This internship will provide you with hands-on experience across hardware, firmware, and automation systems, emphasizing the enhancement of test coverage and product reliability. You will have the opportunity to engage in collaborative learning and actively participate in product development within a vibrant startup atmosphere.What You'll DoAutomate lab equipment and validation workflowsDesign and construct custom PCBs for test jigsContribute to embedded firmware to support test hooks and diagnosticsDevelop a continuous integration (CI) test rack to automatically validate firmware releases and sensor performanceAssist in sensor characterization and calibration to minimize device-to-device variabilityDocument and effectively communicate engineering findings and recommendations.Ideal Candidates May HaveProficiency in Python, PCB Design (Altium), Embedded C/C++A strong independent work ethic, adaptability, and resourcefulness.Excellent communication and teamwork abilities.Comfort in a fast-paced startup environment, with a passion for independent building.CompensationHourly rate determined by your individual skills and experience.

About TacitTacit is an innovative, early-stage deep tech startup located in San Francisco, pioneering advanced hardware solutions that revolutionize human-computer interaction. With prestigious backing from General Catalyst, Khosla Ventures, and Greylock Partners, our founding team comprises experts from Stanford, BrainGate, Oculus, and Tesla. While we are still in stealth mode, our team is passionately addressing avant-garde engineering challenges to create groundbreaking products.About the RoleAs a Data Scientist Intern, you will join our Machine Learning and Research team, focusing on the development of state-of-the-art tools and methodologies for data processing and analysis. Your responsibilities will include designing, executing, and analyzing experiments using our unique systems, interpreting results to guide future data collection, hardware design, and enhancing our decoding algorithms. This role will involve hands-on experience with our custom hardware signals and examining performance scaling across diverse user groups.What You'll DoDesign, implement, and test algorithms for extracting features from bio-signals to enhance machine learning models.Rapidly iterate on experiments to evaluate new hardware prototypes and improve data collection methods.Develop visualization tools and establish metrics for data quality assessment.Collaborate with hardware and electrical engineers to optimize the sensing stack.Work alongside the ML team on data augmentation, multimodal training, and synthetic data experiments to enhance generalization.RequirementsCurrently enrolled in or recently graduated from a PhD program in neuroscience, biomedical engineering, computer science, applied mathematics, or a related discipline.Excellent communication and writing skills.Proven ability to collaborate across multidisciplinary teams and adapt quickly to new domains.Proficiency in Python; experience with PyTorch is a plus.Familiarity with dimensionality reduction techniques and time series data analysis.Strong independent work ethic, flexibility, and resourcefulness.Thrives in a fast-paced startup environment and is eager to contribute independently.Preferred QualificationsExperience with machine learning frameworks and data science tools.

About TacitTacit is an innovative deep tech startup located in the heart of San Francisco, pioneering hardware solutions that redefine human-computer interaction. Supported by prominent investors such as General Catalyst, Khosla Ventures, and Greylock Partners, our founding team comprises experts from esteemed organizations like Stanford, BrainGate, Oculus, and Tesla. While our groundbreaking products are still under wraps, our team is dedicated to tackling formidable engineering challenges to revolutionize the tech landscape.About the RoleWe are looking for an enthusiastic Software Engineering Intern to contribute to the development of the next generation of human-computer interfaces. This internship offers invaluable hands-on experience in both front-end and back-end development, focusing on creating user-centric applications and aiding internal research processes. You will collaborate closely with a talented team of engineers, designers, and researchers to bring innovative interaction paradigms to fruition.Key ResponsibilitiesDesign and implement applications for web, mobile, and embedded clients that interface with our hardware.Build backend services for real-time interaction and seamless data streaming.Develop internal tools for data labeling, visualization, and debugging purposes.Rapidly prototype new user experiences utilizing novel input methods.Collaborate with full-time engineers to deploy stable, high-performance software solutions.Document engineering insights and articulate design decisions effectively.Preferred QualificationsProficiency in Python, TypeScript, React, Linux, and command-line development.Demonstrated ability to work independently, with a strong sense of flexibility and resourcefulness.Excellent communication and teamwork skills.Ability to thrive in a fast-paced startup environment, with a keen interest in independent project development.CompensationHourly compensation will be determined based on your individual skills and experience.

About TacitTacit is an innovative, early-stage deep tech startup located in San Francisco, focused on developing groundbreaking hardware to redefine human-computer interactions. With support from prominent investors such as General Catalyst, Khosla Ventures, and Greylock Partners, our founding team brings expertise from renowned institutions including Stanford, BrainGate, Oculus, and Tesla. While we are not ready to disclose our projects fully, we are committed to solving complex engineering challenges to launch revolutionary products.Position OverviewWe are seeking a talented Senior Electrical Engineer to lead the architecture, design, and deployment of next-generation neurotechnology hardware products. As a pivotal member of our expanding hardware team, you will take ownership of significant components of our electrical systems from initial design stages to mass production, playing a crucial role in the realization of sophisticated consumer electronics.Key ResponsibilitiesElectrical System Design & DevelopmentLead the electrical architecture and board-level design for mixed-signal consumer hardware systems from concept to production.Oversee schematic design and guide the development process through EVT, DVT, PVT, and mass production stages.Define system partitioning, interfaces, and component selection across computing, sensors, connectivity, and power subsystems.Conduct rigorous design reviews and establish robust electrical design and manufacturing standards.Collaborate closely with mechanical, firmware, and software teams to enhance performance, size, thermal behavior, and reliability.Effectively navigate a startup environment where engineers manage substantial parts of the hardware stack.High-Speed and High-Density Hardware DesignDesign high-density, multi-layer PCBAs employing HDI techniques, fine-pitch BGAs, and controlled-impedance routing.Implement high-speed digital interfaces such as USB, Quad-SPI, MIPI, CSI/DSI, DDR, or similar buses.Create analog and mixed-signal circuits, including amplifiers, filters, sensor interfaces, and ADC/DAC connections.Optimize PCB layout for signal integrity, power integrity, and low-noise performance.Power Electronics & Battery SystemsDesign and implement power electronics and battery management systems for our devices.Ensure compliance with safety and regulatory standards while optimizing performance and efficiency.

About TacitTacit is an innovative, early-stage deep tech startup located in San Francisco, dedicated to revolutionizing human-computer interaction through cutting-edge hardware development. Our team, which includes experts from Stanford, BrainGate, Oculus, and Tesla, is backed by prominent investors like General Catalyst, Khosla Ventures, and Greylock Partners. We are committed to addressing complex engineering challenges to create groundbreaking products that will redefine the tech landscape.About the RoleWe are in search of a Patent Agent to spearhead and execute our patent prosecution strategy. This position is well-suited for an individual with substantial experience at a prestigious law firm who is eager to operate with greater independence while closely collaborating with our technical teams to safeguard and expand our sophisticated intellectual property portfolio.What You'll DoLead patent prosecution activities from invention disclosure to issuance.Draft, file, and prosecute U.S. and international patent applications with minimal oversight.Consult with internal stakeholders regarding patentability, freedom-to-operate, and portfolio strategies.Work directly with engineers, researchers, and leadership to develop inventions.Manage external counsel as necessary and review their work to ensure quality and strategic alignment.Contribute to the formulation of a long-term IP strategy that aligns with the company's product and research roadmap.Desired QualificationsA minimum of 4 years of experience as a Patent Agent in a top-tier law firm.A solid background in electrical engineering or a closely related technical discipline.An advanced technical degree (Master’s or PhD strongly preferred).Registered to practice before the USPTO.Proven ability to manage patent prosecution autonomously.Exceptional communication skills, capable of translating complex technical concepts into robust patent claims.CompensationThe compensation range for this role is between $180,000 and $200,000 per year.BenefitsCompetitive equity compensation package.Comprehensive health, vision, and dental insurance.A collaborative work environment with a company size of 20-30 people.Visa sponsorship available.Unlimited paid time off (PTO).

About Tacit Tacit is a deep tech startup based in San Francisco, focused on advancing human-computer interaction through new hardware. The company is backed by investors including General Catalyst, Khosla Ventures, and Greylock Partners. The founding team brings experience from Stanford, BrainGate, Oculus, and Tesla. While much of the work is confidential, the team tackles ambitious engineering problems to deliver novel products. Role Overview The Computational Neuroscientist will help develop new approaches for data analysis, improve signal extraction, and strengthen Tacit's technology infrastructure. The role involves running and interpreting experiments on proprietary systems, drawing insights to guide future data collection, and refining decoding algorithms. Work includes direct interaction with signals from custom hardware and studying how performance scales across different user groups. This is a full-time, on-site position in San Francisco (5 days per week). What You Will Do Design, implement, and evaluate algorithms to extract features from biosignals for machine learning use. Iterate quickly on experiments to test new hardware prototypes and improve data collection methods. Develop analytical tools for visualizing and assessing data quality. Work closely with hardware and electrical engineers to improve the sensing stack. Requirements PhD in neuroscience, biomedical engineering, machine learning, computer science, or a related field (or equivalent industry experience). Skilled in Python and PyTorch. Experience collaborating across diverse teams and adapting to new technical domains. Background in dimensionality reduction and time series data analysis. Self-driven, adaptable, and resourceful approach to work. Strong communication skills and a collaborative mindset. Comfort working in a startup setting and able to contribute independently. Preferred Qualifications Experience with real-time human-machine interaction technologies, such as automatic speech recognition or closed-loop systems.

Join Us at TacitAt Tacit, we are a pioneering deep tech startup located in the heart of San Francisco, dedicated to revolutionizing human-computer interaction through innovative hardware solutions. With the backing of esteemed investors such as General Catalyst, Khosla Ventures, and Greylock Partners, our founding team boasts expertise from industry leaders like Stanford, BrainGate, Oculus, and Tesla. Though we are bound by confidentiality regarding specifics, we are passionately engaged in solving advanced engineering challenges to bring groundbreaking products to market.Role OverviewWe are on the lookout for enthusiastic individuals to contribute to the development of our state-of-the-art technology. At Tacit, we emphasize hands-on experience, collaborative learning, and direct engagement in product innovation within an energetic startup atmosphere.Ideal Candidate ProfileA self-starter with a flexible mindset and the ability to resourcefully navigate challenges.Strong communication and teamwork skills.Thrives in a fast-paced startup environment, eager to work independently and contribute to the team.Compensation DetailsWe offer a competitive salary that reflects the role and experience, accompanied by a generous equity package for full-time employees.BenefitsCompetitive equity optionsComprehensive health, vision, and dental coverageA close-knit team of 20-30 professionalsVisa sponsorship availableUnlimited paid time off (PTO)3% 401(k) matching

Astranis Space Technologies Corp. develops advanced satellites for high orbits, supporting secure networks for enterprises, governments, and the U.S. military. With five satellites already in orbit and a significant commercial backlog, the company continues to expand its presence in satellite communications. The team, based in a 153,000 square foot headquarters in Northern California, includes 450 engineers and entrepreneurs working on end-to-end satellite design, build, and operations. The Antenna Intern position for Fall 2026 is a twelve-week, hourly internship designed for students enrolled in a four-year university program. This role centers on hands-on collaboration with engineers from mechanical, thermal, and payload systems to advance antenna technology for current and future satellite payloads. What you will do Use advanced design tools to develop communications antenna systems that can adapt to changing on-orbit conditions and customer requirements. Work with vendors to design and source RF and antenna components, then verify their performance through detailed anechoic chamber testing. Partner with teams across Mechanical, Structural, Thermal, and Payload Systems to co-design antenna components and systems. Internship details Internships are structured as twelve-week hourly roles. Open to students currently enrolled in a four-year university program.

Join Oura Health as an Antenna Design Engineer, where you will play a pivotal role in designing cutting-edge antenna systems for our innovative health tracking devices. You will work collaboratively with a talented team of engineers to develop, test, and refine antenna designs, ensuring optimal performance and integration into our products.

About Context Context builds AI platforms that help companies capture and manage their own knowledge, procedures, data, and objectives, using intelligent agents. These agents work with human teams to handle complex, ongoing tasks inside a unified office suite. Fortune 500 clients rely on Context to deploy these solutions securely. The team includes engineers and researchers with backgrounds at Apple, Ramp, Stripe, Meta, BAIR, and SAIL. Context’s products have reached over a million users and supported campaigns with audiences of more than 180 million. Backers include Lux Capital, Qualcomm Ventures, General Catalyst, and BoxGroup. Context moves quickly. Features developed one week are already in use by Fortune 100 teams the next, so the feedback loop is immediate and high-stakes. Summer Internship Overview This paid internship in San Francisco is for students who want to work on meaningful projects at a growing startup. Interns have the chance to ship code to production, collaborate with Fortune 500 clients, and take ownership of high-impact work. In previous summers, interns built platform integrations that are now used by major clients. Compensation $80,000 - $120,000 annual, prorated for the internship period Interview Process Behavioral screening Take-home case study or technical interview Two-day work trial (timing is flexible) Location San Francisco, CA (in-office)

At Mechanize, we are pioneering the development of Reinforcement Learning (RL) environments tailored to train AI models for real-world applications. Our ambition is to facilitate the complete automation of the economy, partnering with leading AI laboratories. Discover more at mechanize.work.As a Software Engineering Intern at Mechanize, you will play a pivotal role in assisting our team to develop these groundbreaking RL environments. If you have a solid command of Python programming and possess a keen intellect, we would love to hear from you.We are currently seeking interns for Winter 2026, Spring 2026, and Summer 2026.No prior experience in machine learning or AI is necessary.Curious about our interview process? Learn more here: https://www.mechanize.work/how-our-interview-process-works/

Join our dynamic team as a Sales & Marketing Intern at Ethereum Address Service (EAS) in San Francisco, where you'll have the opportunity to gain hands-on experience in the exciting world of blockchain technology and digital marketing. You’ll collaborate closely with our marketing and sales teams to develop innovative strategies, analyze market trends, and contribute to our outreach efforts while gaining invaluable insights into the industry.

Mavericks WantedAre you ready to embrace a challenge and redefine the impossible? If this ignites your passion, continue reading.In 2015, we revolutionized the biotech landscape with our unique "moneyball for biotech" strategy—integrating promising early-stage research projects from academia to mitigate risk and foster innovation. This approach empowers scientific exploration and enables small teams of experts to drive breakthroughs. We are committed to advancing treatments for rare diseases and delivering life-changing medicines to patients with unmet medical needs at unprecedented speed.At BridgeBio, we are pioneers, challenging norms, and empowering individuals to tackle complex problems. If you have a spirit that questions conventional wisdom, come join us. Collaborate with some of the most esteemed professionals in the industry as we ask, "Why not?" and help reshape the future of biopharma. Our culture champions curiosity and experimentation, emphasizing ethical and thoughtful AI utilization to enhance work quality, clarity, and efficiency.

About CluelyAt Cluely, we are revolutionizing the way people interact with AI by providing unparalleled advantages in diverse situations. Our innovative desktop assistant leverages screen, microphone, and audio context to deliver insights and suggestions that traditional models fail to offer due to contextual limitations.Our success hinges on two key factors:1) Chatbots are not the ideal interface for multi-modal AI.2) We possess the ability to make anything go viral.About the RoleAs an Engineering Intern at Cluely, you will be immersed in a dynamic environment where our engineering team works six days a week in-person in San Francisco, dedicating 10-12 hours each day. We provide housing within a block of the office to ensure your convenience and focus.Our engineering team comprises both seasoned professionals and ambitious young talent, creating a unique blend of skills and creativity. For more insights into our team, check out this link.Ideal Candidate ProfileYou are among the top engineers globally.You are willing to invest your life in the pursuit of greatness.

Join the vibrant team at the San Francisco Museum of Modern Art (SFMOMA), one of the largest modern and contemporary art museums in the United States, and a cultural hub for the Bay Area. Art is an essential part of our lives; it inspires and connects us daily. In today's world, these connections are crucial and resonate with our core values.Inclusive: We strive to be a museum that embraces diverse voices and fosters dialogue.Passionate: We view our work with art as not just a job but a way of life.Brave: We approach our tasks with courage and a willingness to explore new perspectives.Empathic: We aim to treat individuals as people, not just as roles within an institution.At SFMOMA, we invite the endlessly curious to explore, support, and engage with the art of our time. Modern and contemporary art has the power to reshape how we think and perceive the world, encouraging us to appreciate diverse perspectives. Our goal is to create an atmosphere that fosters joy, a sense of belonging, and purpose—where differences are celebrated, and everyone feels valued.Schedule: Full Time, 35 hours/week, from Monday, June 15 to Friday, August 14, with a minimum of three days onsite, including Sundays.Availability is required from Sunday through Thursday.Department Overview:The Education Department at SFMOMA focuses on pedagogical and cultural programming, committing itself to lifelong learning and the exploration of contemporary art's relevance in public life. It encompasses various program areas, including K-12 education, educator activities, school visits, family programs, talks, screenings, student symposia, and exhibitions.Position Overview:This internship provides an excellent opportunity for individuals eager to understand the intricacies of programming for the museum's youngest visitors and their families in an engaging museum setting. Under the mentorship of the Manager of Education, you will gain invaluable insights and experience in family-oriented educational initiatives.

The San Francisco Museum of Modern Art (SFMOMA) stands as one of the largest museums dedicated to modern and contemporary art across the United States, serving as a vibrant cultural hub for the Bay Area. Art is an integral part of our lives, inspiring and uniting us daily. In these challenging times, the connections fostered by art are more important than ever, resonating deeply with our core values.Inclusive: We endeavor to be a museum that amplifies diverse voices in a meaningful dialogue.Passionate: Our work with art transcends mere occupation; it embodies a vibrant way of living.Brave: We boldly approach our endeavors with an adventurous spirit, continuously seeking fresh perspectives.Empathic: We strive to operate with human warmth rather than institutional coldness.SFMOMA serves as an exploration ground for the endlessly curious, inviting them to engage with, support, and experience the art of our era. We are committed to showing how modern and contemporary art can shape our thoughts, perceptions, and appreciation of diverse voices and viewpoints. Our goal is to create an atmosphere that fosters joy, nurtures a sense of belonging, and recognizes the strength in diversity, valuing each individual in their entirety.Schedule: Full Time, 35 hours/week, from Monday, June 15 to Friday, August 14, with a minimum of three days onsite.Department Overview:The SFMOMA Design Studio plays a pivotal role in transforming our institutional vision into a lively, cohesive, and inviting brand experience. Within this studio, the Graphic Design team oversees all aspects of visual communication for the museum, encompassing both print and digital formats, including branding, exhibition graphics, publications, sfmoma.org, digital displays, and more. This department is essential for content strategy and effectively conveying the museum's voice to visitors both onsite and remotely.Position Overview:As a Graphic Design Intern, you will collaborate closely with the Senior Graphic Designer and other team members within the Design Studio, engaging in a variety of projects. Responsibilities may include brand system analyses, museum signage projects, product collaborations for the store, social media initiatives, website design, and more.

Netic stands at the forefront of artificial intelligence innovations, empowering essential services that serve as the backbone of the American economy.With an impressive $43 million in funding from renowned investors such as Founders Fund, Greylock, Hanabi, and Dylan Field, who spearheaded our Series B, we've enabled our clients to secure numerous jobs across various service industries in North America. Today, there are businesses that operate solely on an AI-first approach using Netic.Join our dynamic team comprised of relentless builders from top companies like Scale, Databricks, HRT, Meta, along with graduates from prestigious institutions like MIT, Stanford, and Harvard, as we integrate frontier AI into the physical economy, tackling complex challenges with immediate and tangible impacts.At Netic, we create features that empower businesses through AI. As an intern, you will receive dedicated mentorship guiding you through the entire process of supporting customers, launching features, and iterating swiftly.This internship spans 12 weeks and is set to commence in the Summer of 2026 or earlier.