Case studies
About us
Let's build
  1. a DEX platform
  2. an NFT marketplace
  3. a lending protocol
  4. a Web3 product
  5. a crypto wallet
  6. a ZK rollup
  7. a dApp
  8. a DeFi product
  9. a blockchain-based MVP
Build your Web3 solution with us, top quality guaranteed
Rumble Fish is a blockchain development house specializing in robust decentralized product development.
We’ve worked with the biggest players in the blockchain industry helping them achieve their goals. Join them!
Blockchain development with Rumble FishAt Rumble Fish, we are experts in incorporating complex blockchain concepts into beautiful and functional Web3 products. We put extra care into seamless user experience and know how to create blockchain products that people love to use. Try us!
Embark on a transformative journey into Web3 with Rumble Fish as your dedicated development partner. Our expert team navigates the dynamic landscape of blockchain technology to deliver top-tier Web3 product development services. From ideation to deployment, we ensure your project not only meets but surpasses industry benchmarks.

Web3 products are innovative solutions leveraging decentralized technologies to create more transparent, secure, and user-centric digital experiences. Our Web3 products are crafted with a keen understanding of user experience and the latest technological advancements. Join the ranks of forward-thinking enterprises that have entrusted us to redefine their digital presence in the Web3 era. Explore limitless possibilities and elevate your online presence with Rumble Fish's Web3 product development expertise.
We specialize in crafting secure and customizable crypto wallets designed to meet the unique requirements of your project. Whether you're launching a new decentralized application or upgrading an existing one, Rumble Fish is your reliable partner for bespoke Wallet Development solutions. We utilize the power of Account Abstraction to design and develop user-friendly, and technologically robust EIP-4337 wallets. You can also shortcut the development process and use our white-label EIP-4337 wallet, Devil Wallet.

At Rumble Fish, we understand that your users' security is paramount. Our Wallet Development services focus on providing a seamless and secure environment for cryptocurrency transactions within the context of your specific Web3 product. Partner with us to integrate a customized wallet solution seamlessly into your project, enhancing its functionality and user experience.
Dive into a realm of innovation with Rumble Fish's dApp Development services, where creativity meets decentralized technology. We specialize in sculpting immersive and industry-tailored decentralized applications that redefine user experiences. Beyond just functionality, we infuse personality into your dApp, ensuring it's not just an application but a captivating journey for your users.

Enabling this journey, Rumble Fish brings forth a unique blend of technological finesse and creative ingenuity to sculpt dApps that stand out amidst the decentralized tapestry. Our approach is more than development; it's the crafting of digital adventures that imprint lasting impressions. Unleash the potential of your ideas with Rumble Fish's dApp Development services. From conceptualization to deployment, we're not just developers; we're creators of digital experiences that leave a lasting impact. Partner with us, and let's embark on a journey to make your dApp not just a product but a captivating narrative in the decentralized story.
If you’re looking for a team of devs capable of crafting bespoke defi products - look no further! At Rumble Fish, we’re seasoned in custom defi product development - from decentralized exchanges through NFT marketplaces to fully state-of-the-art unique solutions. Our blockchain development expertise allows us to analyze the viability of your idea, develop an MVP in record time, and act not only as a development service provider but also as an advisor on the best tech solutions for your defi product.

Defi product development requires not only technical expertise and know-how but also an understanding of the market intricacies and industry standards. That’s why our tech team is a perfect partner to help you along the way. Contact us and let’s create something awesome together!
Empower your crypto business with a tailored decentralized exchange (DEX) crafted by our top-tier blockchain developers. Our DEX solution boasts a diverse range of trading functionalities, seamlessly operating across multiple blockchain networks. Elevate your operations to new heights with our specialized decentralized exchange development services.

Count on our developers to design a custom DEX platform, offering your users secure, instant trading experiences for DeFi tokens and NFTs. Our tailored software adheres to the utmost industry benchmarks, ensuring seamless trading processes, robust cybersecurity protocols, and technical prowess in chosen blockchain solutions to meet the highest expectations of even the most demanding audience. Our DEX platforms can include features such as swapping, DAO voting, liquidity pools, lotteries, AMMs, and more. Let’s work together!
Blockchain is not only about cryptocurrencies, NFTs, and DEX platforms. As a powerful technology, it can be utilized across various industries such as logistics, energy trading, gaming, medicine, and more. If you have a specific concept but lack the technical prowess to verify its viability - we’re here to help you. Rumble Fish blockchain devs are top-tier experts in building state-of-the-art Web3 products.

Harnessing the power of blockchain technology opens doors to unparalleled efficiency, transparency, and security across a multitude of sectors. Whether you're envisioning decentralized supply chains or immutable medical records, our team is equipped with the expertise to turn your ideas into reality, driving forward the next wave of innovation. Let’s talk about your concept!
Our comprehensive smart contract development services encompass every stage from conceptualization and coding to rigorous testing and deployment. Leveraging our profound proficiency in diverse smart contract programming languages, we empower enterprises to automate processes, optimize workflows, and trim operational expenses. Our blockchain devs can also audit your smart contracts and optimize them so that your products are safe, secure, and in line with industry standards. We are well versed in Account Abstraction (EIP-4337) and other crucial Ethereum protocols.

Furthermore, the Rumble Fish team ensures the utmost security and reliability of your smart contracts through meticulous auditing and ongoing maintenance. By entrusting us with your smart contract development needs, you're investing in a seamless transition towards efficient and trustworthy decentralized operations. Schedule a call with our team today!
Our NFT marketplace services enable you to effortlessly launch robust NFT marketplaces on various blockchain networks, including Ethereum, or Avalanche. Our comprehensive offerings encompass NFT creation, storefront exploration, wallet integration, bid placement, and secure NFT storage solutions.

If you’re on the lookout for a team able to design and develop a secure NFT marketplace that your users will love, look no further! Gaming, crypto collectibles, music, art, real estate? No matter your industry we have just the right tools and expertise to launch your NFT marketplace in record time. Try us!
Our tech stack:
Account Abstraction
Balancer Pools
Gnosis Multisig
Gnosis Protocol
Oasis Network
EVM Debugger - analyze the EVM transaction in one simple step
We’re a team of blockchain developers on a mission to make Web3 solutions more accessible to everyday users. We have years of experience in commercial projects like crypto exchanges, lending protocols, NFT marketplaces, and more, and we also like to contribute to the broader developer community by building free tools.
Our own free tool for EVM developers - EVM Debugger - is a unique solution for blockchain developers that enables easy and user-friendly analysis of EVM smart contracts.
FAQBlockchain development services with Rumble Fish
A: At Rumble Fish, we offer a full scope of blockchain development services - from smart contract development, through custom Web3 product development, to decentralized exchange development. If you didn’t find an exact solution for you on our website, feel free to contact us with your brief directly, we’ll be happy to assist you!
A: For the exact list of technologies we use, please see the section “Tech Stack” above. We try to keep it up to date however at the speed our team is learning new stuff it’s not always possible. ;) So if you’re curious if we use a technology you have in mind, it’s best to contact our team and find out directly.
A: As a blockchain development company, we are perfectly comfortable with working on any EVM-based blockchain.
A: We sure do! At Rumble Fish, we designed and developed a couple of Web3-related tools and products. The first of them is Hadouken, which is a decentralized exchange platform for Nervos Network. Next, we decided to help fellow blockchain devs and design a unique tool that would help them in everyday tasks. The tool is called the EVM Debugger, it’s available to use free of charge for anyone, and we’re happy to say we’ve been getting great feedback so far! The third Web3 product in our own portfolio is the Deva Wallet, the Account Abstraction mobile wallet that brings you all the benefits of EIP-4337.
A: To start with, at Rumble Fish, we put extra care into the recruitment process. We look for people who share our values and share our passion for technology. We also train blockchain developers in our own Blockchain Training Hub designed to turn software engineers into blockchain devs ready to work.
A: We don’t believe in “one size fits all”! As a boutique software company, we treat every customer as if they’re our only one. That’s why the development process might vary from project to project - we agree on the best development process model individually. What stays the same is our involvement in the project and the highest level of technical expertise.
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