Blockchain Development & Consulting Company
Our Blockchain Development Expertiese
We have experience with various blockchain networks and technologies. If you have a specific project roadmap or just an idea, leave it with us and let us create blockchain software development solutions for your business.
Our 9 Blockchain Development Services
We provide a full range of services, from blockchain development to consultancy, enabling businesses to make use of the technology and stay ahead of the pack in the cut-throat world of web3. With our expertise and industry knowledge, we can guide you through the entire process, from conceptualization to product launch.
Upstaff as a blockchain development team provides a wide range of outsourced blockchain software development services. This includes building blockchain ecosystems, smart contracts, dApps, as well as integrating blockchains and enterprise solutions. As a web3 development firm, Upstaff only hires highly specialized developers with a proven track record. That’s why we can handle any task or project, even the most complex ones.
1. Blockchain Consultation & Integration
We are a custom Blockchain software development company, which caters services starting from designing the application concept to delivering the final output. Our experienced Blockchain development team understands the dynamics of integrating blockchain across almost every industry and provide technical consultation for optimal development of your blockchain application.
2. Layer 2 Development
We specialise in the next-generation Layer 2 scaling solutions that complement the shortcomings of base-layer blockchains. Our team builds sophisticated Layer 2 protocols such as rollups and state channels that can be overlaid on existing blockchain networks.
3. Blockchain Protocol Development
We have experience across the entire spectrum of a protocol’s lifecycle, from consensus mechanisms to governance structures. We can help you design and develop the right blockchain protocol and toolkit for your bespoke needs, that is tuned to your specific circumstances.
4. Centralized/Decentralized Exchange Development
From cryptocurrency funds for High Net-Worth-Individuals (HNWIs) to highly sophisticated trading platforms for professional traders, Upstaff provides end-to-end blockchain solutions that are secure, scalable and user-friendly, enabling businesses to scale up without a hitch and support heavy-duty transaction flow during peak hours. Our software solutions enable traders to transact at top speed on centralised as well as decentralised digital exchanges. They are well-prepared for both High-Frequency Trading (HFT) and regulatory requirements.
5. NFT Marketplace Development
We specialise in the development of customisable NFT marketplaces, offering world-class features like multi-chain support, smart contract integration and secure payment gateways. Our NFT development services help to protect against duplications and ensure seamless and secure buying and selling of tokens.
6. Smart Contract Development & Audit
We’ll test and security-audit your smart contract before launch to ensure that they’re fully compliant and rock-solid. We’re experts in designing, building and auditing smart contracts on multiple blockchains.
7. Crypto Wallet Development
Upstaff provides comprehensive crypto wallet development services that are tailor-made as per the specific requirements of our clients. Our solutions are highly secure and scalable for any volume of digital asset transactions. Our solutions are equipped with the most advanced encryption protocols, multi-signature authentication, and stringent security audits.
8. Decentralized App (dApp) Development
We offer end-to-end Blockchain software development services, right from the inception of an idea to the post-launch support of the dApp. Our in-depth technical expertise and relentless innovation ensures integration of cutting-edge technologies to deliver the best dApps that will add value to your business and expand your digital footprint.
9. Metaverse Development
We create metaverse experiences you can live and breathe in. Our metaverse team creates avatars and AR/VR applications to blur the lines between the physical and digital worlds, working closely with each of its clients to understand business objectives and create metaverse solutions that foster community and engagement.
Please meet Upstaff Blockchain development team
Oleksii , Senior JavaScript Full-Stack Engineer
- 10+ years of experience in web development, M.Sc in Software Engineering - Front-End: Angular, React, Vue.js (JavaScript & TypeScript) - Back-End: Node.js, Next.js, TypeScript , PHP - Mobile: React Native - AWS Cloud infrastructure - Control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). - Unit testing, integration testing, and end-to-end testing. - Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. - Experience conducting assessments and interviews remotely.
JavaScript 8 yr.
TypeScript 5 yr.
Node.js 5 yr.
Next.js 3 yr.
Angular
Serhii , Solidity & Full-stack Web3 Engineer, Architect, Team-Lead.
• 15+ years of commercial software development experience • Solid knowledge of Solidity, C++, JavaScript, TypeScript; • Deep understanding of blockchain architecture and smart contract logic; • Cosmos, Tron, Avalanche, Binance Smart Chain, Ethereum dApps; • Strong skills in developing NFT smart contracts. Support and payload verification; • NFT Marketplaces (ERC - 721/1155), Crypto Payment Solutions & DeFi Cross Chain Bridges - ERC-20 Tokens, ICO, DEX, Staking, Swapping; • Highly qualified knowledge of Stripe payment system integration to blockchain data; • 10+ years experience working with Python; • 5 years experience working with Node.js; • Strong abilities with Express; • Experience working with Docker, and Kubernetes (K8s); • 3+ years of development experience with React.js. • No scheduled vacations within the next 3 months;
Solidity
NFT
Node.js 5 yr.
React 3 yr.
Denys K , Python Developer
- Strong background in computer engineering and automation; - 5+ years of experience with Python; - Good knowledge of the blockchain industry and web3 project development; - Proven expertise in developing mobile applications, crafting solutions for crypto services, and creating telegram mini-apps; - Skilled in web automation, bot development, parsing, and working with web3 technologies.
Python 5 yr.
QA Automation 3 yr.
Telegram API
Telegram Mini Apps
Anatolii K. , Python Software Engineer
- 5 years of experience in the IT industry as a Python Engineer - Proficient in using technologies such as Django DRF, Flask, Pandas, BeautifulSoup, SQLAlchemy, Asyncio, Flask + Marshmallow, Apscheduler, Jinja, Quip API, Docker, Nginx, Amazon MWS API, Amazon SP-API, Google API, and Telegram API; - Strong in refactoring, bug-fixing, and working with Python, JavaScript, Django, Django Rest Framework; - Skilled in developing faceted search and matching algorithms using ElasticSearch; - Experienced in PDF generation and importing from various formats; - Developed web applications, API interfaces, and automated scripts for data transformation; - Previous experience includes working as a Python developer focused on data scraping for Amazon, eBay, and Walmart products in dropshipping projects; - Also worked as a C# developer on various projects, specializing in web development, scraping, and parsing data; - Upper-Intermediate English; - Available ASAP
Python
Django
Flask
Yurii P. , Haskell and Scala Engineer, Plutus smart contracts developer
- 3 years of experience in Plutus / Cardano smart contracts developer role (Plutus Core, Plutarch) - Cardano ecosystem knowledge - Haskell, Scala, Cabal/Stack, GADTs/Type families, Generics, Servant, lenses, mtl, free monads - senior-level professional - Functional programming with FRP, Redux, Event sourcing, Category theory - OOP, OOD, UML, Design patterns, SOLID, DI. TDD, BDD, Unit, functional, and integration testing - 14 years of experience in software engineering
Haskell 3 yr.
Scala 2 yr.
Akka
Plutus 2 yr.
Cardano
Sergey B. , Full Stack web3 developer
- Full Stack Developer with strong blockchain skills. - Over 10 years of experience in IT. - More than 7 years of experience with Node.js and Nest.js. - Strong skills with Express.js. - Over 7 years of experience with PostgreSQL. - In-depth knowledge of Docker and Kubernetes. - Experience with Angular. - Experienced in blockchain projects since 2017. - In-depth knowledge of blockchain integration into the backend. - Upper-intermediate English. - Available ASAP.
web3
Node.js
NestJS
PostgreSQL
AWS (Amazon Web Services)
Oleksandr O , Full-stack Developer
- 10+ years experience as a Full-Stack Developer with of developing robust web applications and services, including extensive experience in both frontend and backend technologies; - Technical proficiency with PHP and MySQL for server-side development, advanced JavaScript utilization on the client side; - Strong abilities with blockchain technology engagement, including smart contracts and wallet development using Solidity, Hardhat, Truffle, WalletConnect, and Metamask SDK; - Experienced with libraries Web3.js, and Ethers.js; - Ability to work Ethereum Blockchain, Binance Smart Chain (BSC), with different wallets including MetaMask; - Adept at working with a variety of frameworks and languages beyond core competencies, such as Laravel, Solidity, Node.js, and C++; - Up-to-date with modern practices, possessing comprehensive experience in codebase upgrades, performance optimization, and integrating third-party APIs; - Successfully led a development team, demonstrating strong leadership and project estimation skills.
PHP 9 yr.
JavaScript 9 yr.
MySQL 9 yr.
Solidity
Our most common engagement models
Project-based Model
Get a custom platform design along with any other services you might need (expert consultations, product design, web engineering, digital platforms, mobile application development, Operations and Clouds, Data and Analytics, Desktop, Embedded systems, Blockchain, No-code/Low-code, Website optimization, SEO and much more) at a fixed price.
Dedicated Development Team
Get a dedicated team of software developers working on your project according to our flexible time and materials payment scheme.
Consulting
We help our clients to identify the potential of a software development for their organization including market research, project’s feasibility assessment, analysis of blockchain platforms, tools, right features prioritization.
Our cooperation process
Requirement Gathering
Meetings with stakeholders to gather detailed functional and non-functional requirements.
Blockchain Platform Selection
Evaluating Blockchain platforms (e.g., Ethereum, Hyperledger, etc.) based on project requirements.
Design and Architecture
Creating comprehensive Blockchain architecture and defining data models, consensus mechanisms, and security protocols.
Smart Contract Development
Developing smart contracts to automate business logic and transactions.
Frontend & Backend Development
Developing frontend and backend components of the Blockchain application.
Blockchain Integration
Integrating the application with the Blockchain network by setting up nodes and connections
Security Testing
Performing extensive security testing, including vulnerability assessments and penetration testing.
Deployment
Deploying the Blockchain application on the chosen network.
User Acceptance Testing
The stage of inviting stakeholders and end-users to validate the usability and effectiveness of the application (known as UAT for short) through user acceptance testing.
Launch and Maintenance
Running the Blockchain application and providing support when errors arise or when updates are needed.
Read our latest insights
We closely collaborate with recruitment & talent acquisition teams on urgent or hard-to-fill positions. Discover how startups and top-tier companies benefit.
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Blog
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Frequently Asked Questions
What is Upstaff?
Upstaff is a service company with its own in-house engineering, and management competence, leveraging the community of software development companies’ resource network.
When can my team start work?
Our developers can start immediately or within two weeks after the project is confirmed.
Do you provide blockchain project development consulting?
Yes. Upstaff provides blockchain tech consulting services, which include blockchain protocol selection for your project and/or technology trade-offs check.
Do you make custom blockchain development?
Upstaff is a web 3 software development company with an emphasis on blockchain technology. Custom outsourcing blockchain development for startups and enterprises is our main focus.
Do you offer blockchain application development?
Yes. Upstaff specializes in decentralized applications development. Our main focus is turned to DeFi applications development, DAO – Decentralized Autonomous Organizations, staking platforms, crypto wallets, crypto games and decentralized exchanges.
What blockchain technologies do you work with?
Our developers specialize in the following blockchain technologies: Ethereum, BSC, Polygon, NEAR, Aurora, Solana, Polkadot, Avalanche, Secret Network, StarkNet, Dfinity, Klayth.
Do you provide project support & maintenance services?
Yes. Upstaff offers complex solutions that further can be maintained by our blockchain development team post product launch.
What are the key considerations when choosing a blockchain framework for enterprise solutions?
Scalability, consensus mechanisms, privacy, interoperability, and ease of integration with existing systems are all a part of the equation, depending on the blockchain framework one picks. Meaningful use cases, regulatory requirements, and the nature of integration with other legacy systems are all important considerations for enterprise environments.
What are the cost implications of implementing blockchain technology in existing business infrastructure?
The actual price will depend on the type and length of solution you need, what systems you need to integrate with, and whether your application needs maintenance.
How does blockchain technology ensure data security and privacy for enterprises?
Blockchain architecture and cryptographic algorithms guarantee data safety and confidentiality: no third party can access the information encoded by the transactions that make up the chain, which are encrypted on every user’s computer and arranged in chronological order.
How can you scale your blockchain solutions to high transaction volumes?
Upstaff, a top Blockchain development company, uses several methods to boost the network’s scalability, such as sharding, sidechains and optimised consensus protocols.
Is Blockchain Hackable or Not Hackable?
Because blockchain is decentralised and reliant on cryptographic principles, its security is strong. Nothing is completely unhackable, but successfully ‘pwning’ a blockchain is a rare and difficult feat.