Top Tech Startups in San Jose, CA in 2026

Adeia is a company specializing in research and development (R&D) and intellectual property (IP) licensing, with a primary focus on expediting the integration of cutting-edge technologies within the media and semiconductor sectors. Adeia's groundbreaking innovations serve as the foundation for cutting-edge technology solutions that are driving and enhancing the future of digital entertainment and electronics. Adeia's intellectual property portfolios empower the interconnected devices that impact the daily lives of millions of individuals globally, encompassing their experiences in work, leisure, and daily activities. From television sets to mobile devices, in virtually any location and across a wide spectrum of entertainment encounters, ranging from traditional Pay-TV to the ever-expanding realm of Over-The-Top (OTT) content, Adeia's innovations excel in intelligently, immersively, and personally managing content and connections.

FEITIAN Technologies is a global provider of identity authentication and payment security solutions: -- on the identity side, hardware security keys, smart cards, biometric devices, and FIDO/MFA authenticators that secure logins and digital identities for enterprises, governments, and financial institutions; -- on the payment side, a full portfolio of PCI PTS and EMV Level 1/2/3 certified POS hardware terminals, the FTPay SoftPOS platform (PCI MPoC certified for Android and iOS), and supporting software including FT SmartPay and STORM TMS, enabling secure, flexible payment acceptance across attended, unattended, and mobile environments worldwide.

Sponsor a Pet is a fundraising platform, dedicated to providing Animal Non-Profits a platform to share their stories and help raise the necessary resources to save the lives of animals. We do this by working together with passionate local organizations to amplify our impact in communities as we come together as one. The mission of Sponsor a Pet is to provide every animal a loving environment that they can call home. Every animal deserves the opportunity to have their basic needs met; food, medicine, a safe and loving family. Our overarching goals are to eliminate Kill Shelters, Animal Abuse, and the destruction of their habitats. We strive to share stories of positivity, laughter, uplifting stories, animals who need our help, and to give thanks to the volunteers who work tirelessly to help find these animals find their forever home. If this resonates with you, join our team and lets grow our community! Who We Are We are passionate individuals who came to together under a common vision to help all animals. We understand working together, moving in the same direction will have a greater impact. Sponsor a Pet provides an audience across the country that local non-profits do not have access to. As we come together we can create a lasting impact in all of our communities. How to get Involved Singing up as one of our members as a PetStar is a great Start. On top of that, there’s much more you can do to get involved. The easiest way is to share your story with us. We would love to hear from you and share your story. What drives your passion for animals and a little about your background. Another way would be to share local organizations that need our help, or local communities who would want to get involved. Our goal is to provide a platform for animals, non-profits, Individuals, and companies alike.

At Invention Co, we believe innovation should move as fast as imagination. Too often, IP strategy and legal risk management are prohibitively burdensome - misaligned incentives and exorbitant costs hinder breakthrough companies from realizing their full potential. We're building proprietary AI models that deliver breakthrough results to attorneys, powering the entire innovation lifecycle. Our goal is to make IP work faster, smarter, and more accessible for the companies pushing the boundaries of what's possible. Invention Co exists to evolve what it means to work in intellectual property - now and in the future. We're seeking a rare combination of exceptional engineers who can help us shape this transformation.

We are a fully funded, early stage healthcare technology company building a SaaS platform that will serve millions of patients across the US. We have strong institutional backing, a built-in customer base, product champions and a founding team with deep expertise across healthcare operations, clinical care, and software engineering. We are not outsiders looking in. We are deeply embedded in the industry we are building for, and that gives us a clarity of vision and direction that most startups spend years trying to find. The destination is clear. We are building a team that makes getting there the best part. We are hiring Senior and Staff engineers who want to help us go from 0 to 100 and shape the culture along the way.

The Age of Intelligent Machines Intelligent machines are reshaping industries from humanoid robots to autonomous vehicles to drones and defense systems. They perceive, decide, and act in real time. Unlocking this potential requires more than faster chips or incremental acceleration. It demands a new class of compute designed for the physical world, capable of unifying AI, connectivity, and control into seamless real-time autonomy.