Explore top tech companies.
All Filters
Office Type

Industry

Size

Open Jobs

Remote Jobs

Perks

DEI

Tech Stack

Top NYC, NY Web3 Companies (37)

Blockchain • Fintech • Security • Software • Cryptocurrency • Cybersecurity • Web3
Fully Remote, USA
40 Employees

Hiro is a company that creates developer tools for Stacks, a network that enables apps and smart contracts for Bitcoin. As a core entity within the Stacks Ecosystem, Hiro works alongside various independent entities, developers, and community members to establish a user-owned internet on Bitcoin. Hiro provides developers with the tools to innovate and build on Bitcoin in ways previously not possible.


Blockchain • Information Technology • Software • Cryptocurrency • Web3
New York, New York, USA
200 Employees

Alchemy powers the top blockchain companies globally and has been featured in TechCrunch, Forbes, Bloomberg, and elsewhere. Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain apps and rollups. Our infrastructure powers 70% of the top web3 teams, 90%+ of web2 companies building in web3 and 100+ million end users. Our customers include top web3 brands like Polymarket, OpenSea, Circle, WorldCoin, as well as major global brands like Shopify and Adobe. The Alchemy team draws from decades of deep expertise in massively scalable infrastructure, AI, and blockchain from leadership roles at leading companies and universities like Google, Microsoft, Facebook, Stanford, and MIT. We're backed by the world's leading VCs and institutions, including Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others.

Let Your Resume Do The Work
Upload your resume to be matched with jobs you’re a great fit for.

Artificial Intelligence • Blockchain • Cybersecurity • Web3
New York, New York, USA
133 Employees

Founded in 2018 by professors of Yale University and Columbia University, CertiK is a pioneer in blockchain security, utilizing best-in-class AI technology to secure and monitor blockchain protocols and smart contracts. CertiK’s mission is to secure the cyber world. Starting with blockchain, CertiK applies cutting-edge innovations from academia into enterprise, enabling mission-critical applications to be built with security and correctness. CertiK is one of the fastest growing and most trusted companies in blockchain security and has become a true market leader. To date, we have collectively worked with over 1300 enterprise clients, helped secure over $90 billion worth of digital assets, and detected over 23,000 vulnerabilities in blockchain code. Our clients include leading projects such as Aave, Polygon, Binance Smart Chain, Terra, Yearn, and Chiliz. Our Q1 2021 revenues have more than quadrupled the revenue of the full 2020 year. Since Q1 2020, our team size has more than doubled, and this rate of growth will continue in 2021, creating a highly effective, remote-friendly culture with talents located worldwide. CertiK just raised over $60 million in Series B and B+ funding rounds in 2021. Our investors include top VCs like Tiger Global, Coatue Management, Shunwei Capital and Hillhouse Capital as well as industry leaders like Coinbase Ventures and Binance.


Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
New York, New York, USA
3 Employees

Nuveaux is on a mission to re-imagine how exchanges work from first principles. At Nuveaux, we are passionate about delivering fair order execution to the masses. We are building a robust, high-throughput, low-latency exchange so our customers can focus on which trade to make instead of the idiosyncrasies of the exchange itself. Founded by customer-obsessed engineers and researchers, we seize every opportunity to tackle technical challenges—from designing next-gen UI/UX for interfacing with our exchange to scaling our services to support all kinds of financial instruments.


Blockchain • Fintech • Internet of Things • Cryptocurrency • Web3
New York, New York, USA
275 Employees

Today’s financial infrastructure is archaic, expensive, inefficient and risky - supporting a system that leaves out more people than it lets in. So we’re rebuilding it.


Blockchain • Software • Cryptocurrency • NFT • Web3
New York, New York, USA
220 Employees

Ava Labs makes it simple to launch decentralized finance applications on Avalanche, the fastest smart contracts platform in the blockchain industry. As the builders of Avalanche, Ava Labs has played a central role in shaping the future of enterprise blockchains and defining a path for other layer-1s to build a viable, sustainable user base. Our mission is to empower people to easily and freely digitize all the world's assets on one open, programmable blockchain platform.


Web3
NYC

PLINFT is a Web3 platform in the NFT space. We get the importance community plays in the health, wealth and happiness of NFT collections. An engaged community is the very definition of attention. We create IRL events for the NFT community that are pure, galvanizing community gold. How? We’re bringing NFT collections and their communities together on the most iconic digital billboard in Times Square.


Blockchain • Fintech • Cryptocurrency • Web3
New York, New York, USA
380 Employees

Republic gives people the power to invest in the future they believe in by providing access to startup, real estate, crypto, music, and video game ventures. Focused on creating a diverse, sustainable, connected world, Republic has deployed over $1.5 billion in investments, supported over 600 companies, and is comprised of a community of over 2.5M users across 100 countries. Headquartered in New York City with a team in six countries, Republic is backed by AngelList, Binance, Galaxy Digital, and more.


Blockchain • Gaming • Web3
Surat, Gujarat, IND
32 Employees

We empower businesses with cutting-edge services, including white-label crypto exchange development, smart contract development, NFT marketplace solutions, and secure wallet systems. At Rain Infotech, we combine expertise and creativity to transform your digital aspirations into reality.


NFT • Web3
Fully Remote, USA
8 Employees

Co:Create is a new web3 protocol that unlocks the potential of NFT communities and ecosystems. We’ve raised a $25M seed round led by a16z crypto to support our mission: Empowering NFT projects to “go beyond the drop.” Our goal is to provide the foundational infrastructure for decentralized brands of the future. We enable NFT projects to scale more effectively by empowering them to manage royalties, launch a thoughtfully designed fungible token and DAO alongside their collections.


Big Data • Cloud • Enterprise Web • Information Technology • Consulting • Web3 • Quantum Computing
Fully Remote, USA
20 Employees

Full-service premium New York Data Center hosting provider with white-glove support your business can rely on. Discover seamless connectivity with Metanet from Data Center Colocation, Hybrid Cloud to Bare Metal Servers, VPS Hosting, and IP Transit


Blockchain • Security • Software • Cryptocurrency • Web3 • Defense
NYC
10 Employees

Our tool offers a compilation of Ethereum's popular trending token lists, with insights to avoid scams


Artificial Intelligence • Blockchain • Gaming • Software • Esports • Web3 • App development
NYC
100 Employees

At Innosoft Group, we’re committed to delivering advanced technology solutions that empower businesses to succeed. Specializing in iGaming, Blockchain, Artificial Intelligence (AI), and Game Development, we combine expertise and innovation to help you stay ahead in today’s competitive digital landscape. Our Expertise iGaming Solutions From sports betting platforms and casino games to multiplayer experiences, we provide comprehensive iGaming services tailored to your needs. Using the latest technologies, we create immersive, high-quality platforms that engage users and drive revenue. We handle everything from design to deployment, ensuring compliance and top-notch performance. Blockchain Solutions As blockchain pioneers, we develop smart contracts, DApps, tokenization services, and enterprise-grade solutions to bring security and transparency to your projects. Whether you're building a cryptocurrency exchange, exploring DeFi platforms, or implementing blockchain into your business, we deliver scalable and future-ready solutions. AI and Machine Learning Tap into the power of AI with our innovative solutions, including predictive analytics, natural language processing, and intelligent automation. Our AI tools are designed to streamline operations, enhance customer experiences, and unlock new opportunities for growth, giving your business a competitive edge. Game Development We bring your gaming visions to life with exceptional game development services. From AR/VR games and mobile apps to 3D experiences, we use top engines like Unity and Unreal to craft visually stunning, high-performing games. Every game we create is tailored to your audience, delivering engaging and seamless gameplay. Why Work with Innosoft Group? Proven Expertise: Decades of experience in delivering impactful technology. Custom Solutions: Every project is designed to meet your specific goals. Global Reach: Serving clients across multiple industries worldwide. Full Support: From concept to post-launch, we’re with you every step of the way. At Innosoft Group, we don’t just create technology – we create solutions that transform ideas into reality. Whether you're building a new product or scaling your business, we’re here to help you succeed. Let’s create something amazing together – contact us today!


Digital Media • NFT • Web3
Brooklyn, New York, USA
11 Employees

We are bringing the creator revolution to the community behind the biggest hits in entertainment: comic book artists. Our platform enables creators to self-distribute their work, own their fan contact information, engage with their audience in innovative new formats, and crucially, to control and monetize their IP rights.


Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
NYC
733 Employees

Ripple provides one frictionless experience to send money globally using the power of blockchain technology. By joining Ripple’s growing global network, financial institutions can process their customers’ payments anywhere in the world instantly, reliably and cost-effectively. Banks and payment providers can use the digital asset XRP to further reduce their costs and access new markets. Founded in 2012, Ripple's vision is to enable a world where value moves as seamlessly as information flows today—an Internet of Value. Ripple is the only enterprise blockchain company today with products in commercial use. Ripple’s global payments network includes over 300 customers across 40+ countries and 
six continents.


Fintech • Software • Financial Services • Cryptocurrency • Web3
Fully Remote, USA
8 Employees

At Loop, we make it simple to automate transactions in web3. We do this by providing the smart contracts, APIs and tooling companies, DAOs, and consumers need to bring automation to their workflows. We believe in a decentralized, interoperable future and are focused on automating crypto transactions to accelerate that future.


Blockchain • Fintech • Payments • Cryptocurrency • Web3
Fully Remote, USA
244 Employees

MoonPay is a financial technology company that builds payments infrastructure for crypto. Our on-and-off-ramp suite of products provides a seamless experience for converting between fiat currencies and cryptocurrencies using all major payment methods including debit and credit card, local bank transfers, Apple Pay, Google Pay, and Samsung Pay. MoonPay is active in more than 160 countries and is trusted by 300+ leading wallets, websites, and applications to accept payments and defeat fraud.


Blockchain • Software • Cryptocurrency • NFT • Web3
New York, New York, USA
100 Employees

Uniswap Labs is a DeFi startup that contributes to the Uniswap Protocol and are the creators of the Uniswap Interface. This month, we launched a NFT marketplace aggregator that allows users to trade NFTs across major marketplaces to find more listings and better prices.


Enterprise Web • Fintech • Machine Learning • Mobile • Software • NFT • Web3
NYC
300 Employees

Appexoft specializes in custom software development, leveraging AI, automation, and digital transformation consulting to help businesses scale and succeed. Whether you're a startup or an enterprise, we provide tailor-made solutions that align with your industry needs. From developing high-performance applications to creating AI-powered chatbots, e-commerce platforms, and blockchain integrations, we have the expertise to elevate your business. Our team works with the latest technologies, including React, Node.js, and GPT-4, to ensure intuitive, scalable, and robust solutions for businesses across various sectors. With Appexoft, you're not just getting a software development partner – you're getting a collaborator focused on innovation, efficiency, and long-term growth.


Blockchain • Web3
NYC
241 Employees

Braintrust is the first decentralized Web3 talent network that connects skilled, vetted knowledge workers with the world’s leading companies. The community that relies on Braintrust to find work are the same people who own and build it, ensuring the network always serves the needs of its users, instead of a centrally-controlled corporation. And because the community of knowledge workers and contributors earns ownership and control of Braintrust through its native BTRST token for their contributions to the network and its growth, new Talent and jobs have participated in the network at record speeds. Braintrust has over 700,000+ community members, with knowledge workers and project contributors across the world. Braintrust is trusted by hundreds of Fortune 1000 global enterprises including Nestlé, Porsche, Atlassian, Goldman Sachs, and Nike. For more information, visit: www.braintrust.com. BTRST is available on Coinbase.com and in the Coinbase Android and iOS apps. Coinbase customers can trade, send, receive, or store BTRST in most Coinbase-supported regions. For more information on Braintrust and the BTRST token, read the “Braintrust: The Decentralized Talent Network” whitepaper.


Explore Top Tech Companies on Built In

Work Your Passion. Live Your Purpose.

Industry

New York City 3D Printing CompaniesNew York City 3PL: Third Party Logistics CompaniesNew York City AdTech CompaniesNew York City Aerospace CompaniesNew York City Agency CompaniesNew York City Agriculture CompaniesNew York City Analytics CompaniesNew York City Angel or VC Firm CompaniesNew York City App development CompaniesNew York City Appliances CompaniesNew York City Artificial Intelligence CompaniesNew York City Automation CompaniesNew York City Automotive CompaniesNew York City Beauty CompaniesNew York City Big Data CompaniesNew York City Big Data Analytics CompaniesNew York City Biotech CompaniesNew York City Blockchain CompaniesNew York City Business Intelligence CompaniesNew York City Cannabis CompaniesNew York City Chemical CompaniesNew York City Cloud CompaniesNew York City Co-Working Space or Incubator CompaniesNew York City Computer Vision CompaniesNew York City Consulting CompaniesNew York City Consumer Web CompaniesNew York City Conversational AI CompaniesNew York City Coupons CompaniesNew York City Cryptocurrency CompaniesNew York City Cybersecurity CompaniesNew York City Data Privacy CompaniesNew York City Database CompaniesNew York City Defense CompaniesNew York City Design CompaniesNew York City Digital Media CompaniesNew York City eCommerce CompaniesNew York City Edtech CompaniesNew York City Energy CompaniesNew York City Enterprise Web CompaniesNew York City Esports CompaniesNew York City Events CompaniesNew York City Fashion CompaniesNew York City Financial Services CompaniesNew York City Fintech CompaniesNew York City Fitness CompaniesNew York City Food CompaniesNew York City Gaming CompaniesNew York City Generative AI CompaniesNew York City Greentech CompaniesNew York City Hardware CompaniesNew York City Healthtech CompaniesNew York City Hospitality CompaniesNew York City HR Tech CompaniesNew York City Industrial CompaniesNew York City Information Technology CompaniesNew York City Infrastructure as a Service (IaaS) CompaniesNew York City Insurance CompaniesNew York City Internet of Things CompaniesNew York City Kids + Family CompaniesNew York City Legal Tech CompaniesNew York City Logistics CompaniesNew York City Machine Learning CompaniesNew York City Manufacturing CompaniesNew York City Marketing Tech CompaniesNew York City Metaverse CompaniesNew York City Mobile CompaniesNew York City Music CompaniesNew York City Nanotechnology CompaniesNew York City Natural Language Processing CompaniesNew York City News + Entertainment CompaniesNew York City NFT CompaniesNew York City On-Demand CompaniesNew York City Other CompaniesNew York City Payments CompaniesNew York City Pet CompaniesNew York City Pharmaceutical CompaniesNew York City Productivity CompaniesNew York City Professional Services CompaniesNew York City PropTech CompaniesNew York City Quantum Computing CompaniesNew York City Real Estate CompaniesNew York City Renewable Energy CompaniesNew York City Retail CompaniesNew York City Robotics CompaniesNew York City Sales CompaniesNew York City Security CompaniesNew York City Semiconductor CompaniesNew York City SEO CompaniesNew York City Sharing Economy CompaniesNew York City Social Impact CompaniesNew York City Social Media CompaniesNew York City Software CompaniesNew York City Solar CompaniesNew York City Sports CompaniesNew York City Telehealth CompaniesNew York City Transportation CompaniesNew York City Travel CompaniesNew York City Utilities CompaniesNew York City Virtual Reality CompaniesNew York City Wearables CompaniesNew York City Web3 Companies