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You bring the product vision. We bring product building expertise.
Rumble Fish helps entrepreneurs build and launch new software products. We deliver on-demand a ready-to-go developers team.
The developers at Rumble Fish Software Development are professional and capable of producing the highest quality code.
Mitchell Maddox
COO of SpaceInch
COO of SpaceInch
What do we do?Our Development ServicesRumble Fish delivers end-to-end blockchain development services - from smart contracts and DeFi protocols to zero-knowledge proofs and XRPL solutions - backed by battle-tested expertise. Whether you're launching a new Web3 product or scaling an existing protocol, we take full ownership of the technology so you can focus on building your business.
Blockchain Software DevelopmentLooking for a blockchain development company that actually gets it? Rumble Fish specializes in building robust, production-ready decentralized products that people actually want to use - not just proof-of-concepts gathering dust. Our blockchain developers have worked with industry giants like MakerDAO, helping transform complex blockchain concepts into beautiful, functional Web3 products.
Our team combines deep technical expertise in Ethereum, Solidity, XRPL, multi-chain EVM development, and decentralized architecture with an obsessive focus on user experience. Whether you're building a DEX platform, dApp, NFT marketplace, lending protocol, or any other Web3 solution, we handle the entire blockchain development lifecycle - from smart contract architecture to frontend integration and ongoing maintenance.
Our blockchain software development approach emphasizes battle-tested technologies over experimental frameworks, security-first architecture, and seamless integration with existing systems. We work with startups launching their first DeFi protocol and established enterprises exploring blockchain integration. From ideation through deployment and beyond, Rumble Fish takes full ownership of your blockchain development project, acting as your trusted technology partner and advisor, not just another vendor executing tickets.
Our team combines deep technical expertise in Ethereum, Solidity, XRPL, multi-chain EVM development, and decentralized architecture with an obsessive focus on user experience. Whether you're building a DEX platform, dApp, NFT marketplace, lending protocol, or any other Web3 solution, we handle the entire blockchain development lifecycle - from smart contract architecture to frontend integration and ongoing maintenance.
Our blockchain software development approach emphasizes battle-tested technologies over experimental frameworks, security-first architecture, and seamless integration with existing systems. We work with startups launching their first DeFi protocol and established enterprises exploring blockchain integration. From ideation through deployment and beyond, Rumble Fish takes full ownership of your blockchain development project, acting as your trusted technology partner and advisor, not just another vendor executing tickets.
Zero-Knowledge Proof DevelopmentZero-knowledge proofs are powering the most innovative blockchain solutions right now. Rumble Fish stands at the forefront of ZKP development, building privacy-preserving systems and scalable Layer 2 solutions that actually work in production. With the global zero-knowledge proof market projected to reach $7.59 billion by 2033 and over $28 billion locked in ZK-based rollups, this technology has moved from theoretical promise to practical necessity.
Our zero-knowledge proof development services encompass the full spectrum of ZKP applications: privacy-preserving transactions, zk-rollup implementations, confidential smart contracts, decentralized identity systems, and verifiable computation. We've built decentralized registries leveraging zero-knowledge cryptography to verify data without exposing sensitive information, proving that ZKP isn't just theoretical, it's ready for real-world deployment.
Whether you need zk-SNARKs for shielded transactions, zk-STARKs for transparent scalability solutions, or PLONK-based systems for flexible verification, our blockchain researchers and cryptography experts design custom ZKP solutions tailored to your specific requirements. We work with frameworks like Circom, Noir, gnark, and arkworks, implementing R1CS circuits, arithmetic circuits, and proof generation workflows that optimize for proof size, verification time, and overall system performance.
Our zero-knowledge proof development process includes designing zk circuits, implementing constraint systems, orchestrating proving and verification mechanisms, and integrating cryptographic proof systems into modern applications while maintaining privacy and data security. From confidential DeFi protocols to privacy-preserving identity verification and compliance solutions that don't compromise user data, we deliver ZKP systems that meet enterprise-grade security standards while maintaining usability.
Why choose Rumble Fish for ZKP development? We combine deep cryptographic expertise with practical blockchain implementation experience. We don't just understand the math, we know how to build production systems that leverage zero-knowledge proofs to solve real business problems while delivering exceptional user experiences.
Our zero-knowledge proof development services encompass the full spectrum of ZKP applications: privacy-preserving transactions, zk-rollup implementations, confidential smart contracts, decentralized identity systems, and verifiable computation. We've built decentralized registries leveraging zero-knowledge cryptography to verify data without exposing sensitive information, proving that ZKP isn't just theoretical, it's ready for real-world deployment.
Whether you need zk-SNARKs for shielded transactions, zk-STARKs for transparent scalability solutions, or PLONK-based systems for flexible verification, our blockchain researchers and cryptography experts design custom ZKP solutions tailored to your specific requirements. We work with frameworks like Circom, Noir, gnark, and arkworks, implementing R1CS circuits, arithmetic circuits, and proof generation workflows that optimize for proof size, verification time, and overall system performance.
Our zero-knowledge proof development process includes designing zk circuits, implementing constraint systems, orchestrating proving and verification mechanisms, and integrating cryptographic proof systems into modern applications while maintaining privacy and data security. From confidential DeFi protocols to privacy-preserving identity verification and compliance solutions that don't compromise user data, we deliver ZKP systems that meet enterprise-grade security standards while maintaining usability.
Why choose Rumble Fish for ZKP development? We combine deep cryptographic expertise with practical blockchain implementation experience. We don't just understand the math, we know how to build production systems that leverage zero-knowledge proofs to solve real business problems while delivering exceptional user experiences.
XRPL Blockchain DevelopmentThe XRP Ledger offers something most blockchains can't match: native features for enterprise-grade payments, built-in DEX functionality, and settlement in 3-5 seconds with transaction costs under $0.0002. Rumble Fish's XRPL blockchain development services help fintech companies, payment service providers, and DeFi innovators leverage these powerful capabilities to build next-generation financial applications.
Unlike Ethereum or other smart contract platforms that require external protocols for basic functionality, XRPL provides native support for tokenization, automated market makers, NFTs, and cross-border payments right out of the box. Our XRPL development team leverages these built-in features to create production-ready applications faster and more cost-effectively than traditional blockchain development approaches.
Our XRPL blockchain development services include building payment applications that settle cross-border transactions more efficiently than traditional banking systems, integrating XRP as a bridge currency to reduce liquidity requirements, developing DEX platforms that combine trading and AMM functionality, creating NFT marketplaces leveraging XRPL's native NFT capabilities, and building custom tokenization solutions for real-world assets.
We work with xrpl.js library, Xumm wallet integration, XRPL webhooks and subscriptions, rippled node infrastructure, and the complete XRPL development toolchain. Our team understands XRPL's unique architecture, from account reserves and trust lines to payment paths and multi-signing capabilities, enabling us to build applications that fully exploit the network's advantages.
Whether you're a financial institution exploring blockchain for cross-border settlements, a fintech startup building next-generation payment infrastructure, or an enterprise integrating XRPL into existing systems, Rumble Fish delivers XRPL blockchain solutions that meet enterprise-grade security and compliance requirements while maintaining the performance and cost-effectiveness that make XRPL compelling.
Unlike Ethereum or other smart contract platforms that require external protocols for basic functionality, XRPL provides native support for tokenization, automated market makers, NFTs, and cross-border payments right out of the box. Our XRPL development team leverages these built-in features to create production-ready applications faster and more cost-effectively than traditional blockchain development approaches.
Our XRPL blockchain development services include building payment applications that settle cross-border transactions more efficiently than traditional banking systems, integrating XRP as a bridge currency to reduce liquidity requirements, developing DEX platforms that combine trading and AMM functionality, creating NFT marketplaces leveraging XRPL's native NFT capabilities, and building custom tokenization solutions for real-world assets.
We work with xrpl.js library, Xumm wallet integration, XRPL webhooks and subscriptions, rippled node infrastructure, and the complete XRPL development toolchain. Our team understands XRPL's unique architecture, from account reserves and trust lines to payment paths and multi-signing capabilities, enabling us to build applications that fully exploit the network's advantages.
Whether you're a financial institution exploring blockchain for cross-border settlements, a fintech startup building next-generation payment infrastructure, or an enterprise integrating XRPL into existing systems, Rumble Fish delivers XRPL blockchain solutions that meet enterprise-grade security and compliance requirements while maintaining the performance and cost-effectiveness that make XRPL compelling.
Smart Contract DevelopmentSmart contracts are the backbone of every DeFi protocol, NFT marketplace, and Web3 application, but they're also where most projects fail. One vulnerability can mean millions in losses. Rumble Fish's smart contract development services deliver auditable, secure, and gas-optimized smart contracts that power mission-critical blockchain applications.
Our smart contract development expertise spans multiple blockchain platforms and programming languages. We specialize in Solidity development for Ethereum and EVM-compatible chains, Rust smart contract development for Solana and Substrate-based blockchains, Vyper for additional security guarantees, and custom smart contract languages for specialized networks. Whether you need ERC-20 token contracts, ERC-721 and ERC-1155 NFT standards, complex DeFi protocols with lending and borrowing logic, DAO governance systems, or cross-chain bridges, our smart contract developers have built it.
What distinguishes Rumble Fish's approach to smart contract development? Security is our priority. We implement best practices including reentrancy guards, proper access controls, secure random number generation, and comprehensive testing coverage. Our code goes through rigorous internal audits before deployment, and we design smart contracts with upgradeability patterns when requirements call for it, whether proxy patterns or our innovative non-proxy upgradeability solutions.
We don't just write smart contracts, we architect complete smart contract ecosystems. Our developers understand how smart contracts interact with frontend applications, oracles, Layer 2 solutions, and other protocols. We handle gas optimization to keep transaction costs manageable, implement efficient storage patterns, and design smart contract interfaces that enable seamless integration.
From MVPs for crypto-native startups to enterprise blockchain solutions handling millions in transaction value, Rumble Fish delivers smart contract development services backed by deep blockchain expertise and battle-tested by projects like MakerDAO. We take ownership of the entire process: requirements analysis, architecture design, development, testing, deployment, and ongoing support. Your smart contracts hold value—trust them to developers who understand what's at stake.
Our smart contract development expertise spans multiple blockchain platforms and programming languages. We specialize in Solidity development for Ethereum and EVM-compatible chains, Rust smart contract development for Solana and Substrate-based blockchains, Vyper for additional security guarantees, and custom smart contract languages for specialized networks. Whether you need ERC-20 token contracts, ERC-721 and ERC-1155 NFT standards, complex DeFi protocols with lending and borrowing logic, DAO governance systems, or cross-chain bridges, our smart contract developers have built it.
What distinguishes Rumble Fish's approach to smart contract development? Security is our priority. We implement best practices including reentrancy guards, proper access controls, secure random number generation, and comprehensive testing coverage. Our code goes through rigorous internal audits before deployment, and we design smart contracts with upgradeability patterns when requirements call for it, whether proxy patterns or our innovative non-proxy upgradeability solutions.
We don't just write smart contracts, we architect complete smart contract ecosystems. Our developers understand how smart contracts interact with frontend applications, oracles, Layer 2 solutions, and other protocols. We handle gas optimization to keep transaction costs manageable, implement efficient storage patterns, and design smart contract interfaces that enable seamless integration.
From MVPs for crypto-native startups to enterprise blockchain solutions handling millions in transaction value, Rumble Fish delivers smart contract development services backed by deep blockchain expertise and battle-tested by projects like MakerDAO. We take ownership of the entire process: requirements analysis, architecture design, development, testing, deployment, and ongoing support. Your smart contracts hold value—trust them to developers who understand what's at stake.
DeFi DevelopmentRumble Fish's DeFi development services combine extensive blockchain knowledge with deep understanding of financial mechanisms, enabling us to build cryptocurrency exchanges, lending protocols, staking platforms, and innovative DeFi products that work seamlessly.
We've successfully delivered DeFi solutions for projects at every stage, from seed-funded startups building their first DEX to established protocols needing advanced features. Our DeFi development expertise includes building decentralized exchanges (DEXs) with swapping, liquidity pools, automated market makers (AMMs), and DAO voting mechanisms, developing lending and borrowing protocols with dynamic interest rates and collateralization, creating staking platforms and yield farming solutions, implementing tokenization platforms for real-world assets, and building comprehensive DeFi dashboards and analytics tools.
What makes Rumble Fish exceptional for DeFi development? We understand the financial primitives that make DeFi work. Our team grasps concepts like impermanent loss, liquidation mechanisms, oracle dependencies, and economic attack vectors. We don't just build according to specifications; we challenge assumptions, identify potential issues, and architect DeFi solutions that are secure, capital-efficient, and user-friendly.
Security is paramount in DeFi development where smart contracts often hold millions in value. We implement robust security protocols including comprehensive testing, internal code reviews, and preparation for external audits. Our DeFi platforms balance the need for decentralization with practical considerations like gas optimization, user experience, and regulatory compliance where applicable.
Our DeFi development process emphasizes iterative building and fast time-to-market. We help you launch an MVP quickly, gather user feedback, and iterate based on real-world usage patterns. Whether you're building the next generation of decentralized exchanges, creating innovative lending protocols, or developing novel DeFi primitives, Rumble Fish brings the technical expertise and financial understanding necessary to succeed in the competitive DeFi landscape.
The DeFi space moves fast. Our developers stay current with the latest protocols, understand emerging trends like liquid staking and real-world asset tokenization, and bring that knowledge to every DeFi development project. Partner with a team that's been building DeFi since before it was cool.
We've successfully delivered DeFi solutions for projects at every stage, from seed-funded startups building their first DEX to established protocols needing advanced features. Our DeFi development expertise includes building decentralized exchanges (DEXs) with swapping, liquidity pools, automated market makers (AMMs), and DAO voting mechanisms, developing lending and borrowing protocols with dynamic interest rates and collateralization, creating staking platforms and yield farming solutions, implementing tokenization platforms for real-world assets, and building comprehensive DeFi dashboards and analytics tools.
What makes Rumble Fish exceptional for DeFi development? We understand the financial primitives that make DeFi work. Our team grasps concepts like impermanent loss, liquidation mechanisms, oracle dependencies, and economic attack vectors. We don't just build according to specifications; we challenge assumptions, identify potential issues, and architect DeFi solutions that are secure, capital-efficient, and user-friendly.
Security is paramount in DeFi development where smart contracts often hold millions in value. We implement robust security protocols including comprehensive testing, internal code reviews, and preparation for external audits. Our DeFi platforms balance the need for decentralization with practical considerations like gas optimization, user experience, and regulatory compliance where applicable.
Our DeFi development process emphasizes iterative building and fast time-to-market. We help you launch an MVP quickly, gather user feedback, and iterate based on real-world usage patterns. Whether you're building the next generation of decentralized exchanges, creating innovative lending protocols, or developing novel DeFi primitives, Rumble Fish brings the technical expertise and financial understanding necessary to succeed in the competitive DeFi landscape.
The DeFi space moves fast. Our developers stay current with the latest protocols, understand emerging trends like liquid staking and real-world asset tokenization, and bring that knowledge to every DeFi development project. Partner with a team that's been building DeFi since before it was cool.
Discover our delivery processWe follow industry standards and battle-tested practices to deliver value. Over the years, we’ve developed custom processes that help us become a reliable technology partner to our clients.
End-to-end solutions development
We take care of the entire development process, from ideation to execution and maintenance.
We take care of the entire development process, from ideation to execution and maintenance.
Full transparency
We equip our clients with tools that enable easy monitoring of the development process.
We equip our clients with tools that enable easy monitoring of the development process.
Dedicated developers
When teaming up with us, you get a team of developers who work on your project full-time.
When teaming up with us, you get a team of developers who work on your project full-time.
Continuous delivery
We deliver work in small iterations and regular cycles to enable product optimization.
We deliver work in small iterations and regular cycles to enable product optimization.
Daily stand-up meetings
Our teams follow the most productive practices of the agile methodology.
Our teams follow the most productive practices of the agile methodology.
Flexibility in scaling
We can scale your development team up or down, depending on your project requirements.
We can scale your development team up or down, depending on your project requirements.
Latest case studyBridging Tari to Ethereum: WXTM & Secure Tokenization
Bridging Tari to Ethereum: WXTM & Secure Tokenization
Tari is an innovative L1 protocol focused on digital assets and privacy-preserving smart contracts. As a relatively new blockchain entering the crypto landscape, Tari faced a critical challenge: how to integrate their native XTM tokens with the broader DeFi ecosystem to enable trading, liquidity provision, and participation in decentralized finance protocols.
Collaboration timeframe:2 months
Services:Blockchain Development, Smart Contract Development, DevOps, Full-Stack Development
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together!We will answer any questions you may have related to your startup journey!Do you prefer e-mail?
hello@rumblefish.pl
together!We will answer any questions you may have related to your startup journey!Do you prefer e-mail?
hello@rumblefish.pl
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P: +48 601 265 364E: hello@rumblefish.dev
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