Hire Blockchain Developers for US & UK Teams from $30/hr
Dedicated blockchain developers who build smart contracts, decentralized applications, token systems, and enterprise blockchain solutions. Not freelancers. Not marketplace matches. Full-time, salaried Acquaint Softtech employees skilled in Solidity, Ethereum, Hyperledger, Web3.js, and crypto wallet integrations. NDA signed before any discussion. 100% IP ownership from day one.
70+
In-House Engineers$30
Starting Hourly Rate48 Hr
Onboarding Time48+
Clutch Reviews
Smart Contract Bugs Have No Undo Button. Here's How We Prevent Them.
Blockchain development has no undo button. A buggy smart contract can lose funds permanently, and most freelancers learn on your project. Here's how we solve the four biggest blockchain development challenges companies face when they need to build on-chain solutions seriously.
Smart Contract Bugs That Could Cost You Millions in Locked or Lost Funds?
Outcome you need: Audited, battle-tested smart contracts that execute exactly as intended.
A single reentrancy vulnerability or unchecked overflow can drain an entire contract. Our blockchain developers write Solidity contracts following security-first patterns, test against known attack vectors (reentrancy, front-running, flash loan exploits), and structure code for third-party audit readiness before any mainnet deployment.
Can't Find Blockchain Developers Who Understand Both Crypto and Business Logic?
Outcome you need: Developers who translate your business requirements into secure on-chain architecture.
Most blockchain developers understand Solidity syntax but can't map your token economics, governance rules, or compliance requirements into smart contract logic. Our developers bridge the gap between business intent and on-chain execution. They've built crypto workflows for regulated neo banks (XOALA) where compliance and decentralization had to coexist.
Need Enterprise Blockchain But Don't Know Where to Start?
Outcome you need: A clear architecture using the right blockchain platform for your use case.
Ethereum, Hyperledger, Solana, Polygon, Binance Smart Chain - each has different trade-offs for speed, cost, privacy, and decentralization. Our developers assess your requirements (public vs private, permissioned vs permissionless, transaction volume, compliance needs) and recommend the right platform instead of defaulting to whatever they know best.
Hiring Blockchain Developers Costs $180,000/Year and Takes Months to Find?
Outcome you need: Production-ready blockchain expertise, fast, at transparent rates.
Experienced blockchain developers in the US command $150,000-$220,000/year. The talent pool is small and demand is high. Through Acquaint, you get dedicated blockchain developers at $30/hr ($4,400/month) who've built crypto wallet systems, compliance-grade blockchain architectures, and fintech platforms. 48-hour onboarding instead of 6-month recruiting cycles.
Trusted by Companies Across the USA, UK, Europe & Beyond
What Our Dedicated Blockchain Developers Build for You
Blockchain projects require a different engineering mindset. Code is immutable after deployment, gas costs matter, and security vulnerabilities can be catastrophic. Our blockchain developers build with these constraints as core design principles, not afterthoughts discovered during audits.
📜 Smart Contract Development
Solidity smart contracts for token standards (ERC-20, ERC-721, ERC-1155), governance systems, staking mechanisms, vesting schedules, and custom business logic. Gas-optimized, well-tested, and structured for third-party security audit readiness before any mainnet deployment.
🌐 Decentralized Application (DApp) Development
Full-stack DApps with Web3 frontend integration using React, Next.js, Web3.js, and Ethers.js. Wallet connection (MetaMask, WalletConnect), transaction signing, on-chain data display, and responsive UI for both desktop and mobile. User experience that makes blockchain interactions feel intuitive.
💰 DeFi Protocol Development
Decentralized exchanges (DEX), lending/borrowing protocols, yield farming, liquidity pools, and automated market makers (AMM). Token swap mechanics, price oracle integration (Chainlink), flash loan protection, and governance token distribution built with security-first architecture.
🎨 NFT Marketplace & Token Development
Custom NFT marketplaces with minting, listing, bidding, royalty enforcement, and secondary sales. ERC-721 and ERC-1155 token contracts. Metadata storage on IPFS or Arweave. Lazy minting for gas-free creation. White-label marketplace solutions for brands entering Web3.
🏢 Enterprise Blockchain (Hyperledger & Private Chains)
Permissioned blockchain networks for supply chain traceability, document verification, identity management, and inter-organizational data sharing. Hyperledger Fabric, Hyperledger Besu, and private Ethereum networks for enterprises that need blockchain's benefits without public chain exposure.
💳 Crypto Wallet & Payment Integration
Custodial and non-custodial wallet development. Multi-chain support (Ethereum, BSC, Polygon, Solana). Fiat-to-crypto on-ramps, transaction history, portfolio tracking, and QR-based payments. Built with encrypted key management and backup recovery flows for end-user safety.
🔐 Smart Contract Auditing & Security
Pre-deployment security reviews covering reentrancy, overflow, access control, front-running, and oracle manipulation vulnerabilities. Automated analysis with Slither and Mythril combined with manual code review. Detailed audit reports with severity ratings and remediation guidance.
🔗 Blockchain API & Backend Integration
Backend services that bridge your traditional application with blockchain networks. Transaction indexing, event listening, wallet management APIs, and off-chain data storage. REST and GraphQL APIs that abstract blockchain complexity so your frontend team doesn't need to understand Web3 internals.
Blockchain Development Technology Stack
Our developers work across multiple blockchain platforms, not just one. We recommend the right chain and tooling based on your project's speed, cost, privacy, and compliance requirements.
How Blockchain Developers Create New Business Possibilities
Blockchain isn't just cryptocurrency. It's a new infrastructure layer for trust, ownership, and automation that enables business models impossible with traditional technology. Here's the concrete impact a dedicated blockchain developer delivers to your organization.
🔐 Eliminate Intermediaries and Reduce Transaction Costs
Smart contracts execute agreements automatically when conditions are met, removing the need for middlemen, escrow services, and manual verification processes. For payment processing, supply chain settlements, and cross-border transactions, this means faster execution and 40-60% lower transaction overhead costs.
📜 Create Tamper-Proof Records and Audit Trails
Once data is written to a blockchain, it cannot be altered or deleted. For industries that require regulatory compliance, provenance tracking, or dispute resolution, this immutability provides an audit trail that no centralized database can match. Your records become trustworthy by architecture, not by policy.
💰 Tokenize Assets and Create New Revenue Streams
Real estate, intellectual property, loyalty programs, event tickets, and digital collectibles can all be represented as tokens on a blockchain. Tokenization enables fractional ownership, programmable royalties, and secondary markets that generate ongoing revenue from assets that were previously illiquid.
🌍 Enable Borderless Payments and Global Operations
Blockchain-based payment systems settle in minutes instead of days, work across borders without correspondent banks, and operate 24/7 without banking hours restrictions. For businesses serving international customers or managing cross-border supply chains, this eliminates wire transfer delays and currency conversion friction.
🤝 Build Trustless Systems Between Multiple Parties
When multiple organizations need to share data or coordinate actions without trusting a single central authority, blockchain provides the trust layer. Supply chain tracking, consortium data sharing, and multi-party verification workflows become possible without any single organization controlling the system.
⚡ Automate Complex Business Logic With Smart Contracts
Smart contracts replace manual approval chains, escrow arrangements, and conditional payment releases with code that executes automatically. Insurance claim processing, royalty distribution, vendor payment terms, and governance voting all become faster, cheaper, and more reliable when encoded as self-executing contracts.
How Our Blockchain Developers Ensure Smart Contract Security
In blockchain development, there is no patch after deployment. A bug in a smart contract can lock funds permanently or create exploitable vulnerabilities that drain user assets. Our developers follow security-first practices at every stage because the cost of getting it wrong is irreversible and often measured in millions.
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Comprehensive Testing Before Deployment
Every smart contract is tested with unit tests, integration tests, and fuzzing. Edge cases for gas limits, overflow conditions, and unexpected input patterns are covered. Contracts are deployed to testnets and stress-tested with realistic scenarios before any mainnet deployment touches real funds.
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Security-First Contract Architecture
Contracts follow established security patterns from OpenZeppelin. Checks-effects-interactions pattern for reentrancy prevention. Access control with role-based permissions. Upgrade proxies with timelock governance where mutability is required. Every design decision prioritizes security over convenience.
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Automated and Manual Security Audits
Static analysis with Slither and Mythril catches common vulnerabilities automatically. Manual code review by senior developers covers business logic flaws that automated tools miss. Detailed audit reports with severity classifications and remediation steps provided before any mainnet deployment approval.
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Gas Optimization and Cost Management
Every function is analyzed for gas consumption. Storage patterns optimized to minimize on-chain costs. Batch operations, calldata optimization, and efficient data structures reduce transaction fees for your users. Gas profiling reports ensure your contracts are economically viable at scale.
Blockchain and Crypto Development in Production - Verified on Clutch
Named clients. Specific blockchain and fintech outcomes. Publicly auditable on Clutch.co.
Crypto Wallet and Banking Platform
Sweden | Neo Bank / FinTech | Crypto Workflows
Client: XOALA (Nick Kundnani, Founder) - a fully regulated European neo bank. We modernized core backend components to support parallel banking, card acquiring, and crypto workflows within a single portal. The architecture met EMI, card scheme, and crypto licensing requirements with encrypted storage, role-based access, and complete audit trails across live payment, IBAN, and wallet operations.
Zero Performance impact | Full Crypto compliance | 5.0 Clutch
Stack: Crypto Workflows | Wallet Integration | Banking APIs | Compliance Architecture
Compliance API Platform
Cyprus | Financial Services | Compliance APIs
Client: MAP FinTech (Panayiotis Omirou, CEO) - a financial services compliance company. We built API endpoints that structured compliance review workflows, enabled systematic data tracking across the platform, and created clear audit trail access for regulators. The API architecture made internal compliance reviews smoother and issue resolution significantly faster.
Smoother Compliance reviews | Faster Issue resolution | 5.0 Clutch
Stack: API Development | Compliance Workflows | Audit Trail Endpoints | Data Tracking
Transaction Compliance Monitoring
Germany | FinTech | Transaction Monitoring
Client: FLIQA Payments (Nina Strajnar, CEO) - a financial services company. We built behavior-based transaction scoring that analyzed user activity patterns rather than relying only on predefined rules. The system made investigating financial events straightforward, compliance reviews more structured, and boosted confidence in the platform's monitoring capabilities.
Faster Issue resolution | Structured Compliance reviews | 5.0 Clutch
Stack: Transaction Monitoring | Behavioral Scoring | Compliance | Financial Services
FinTech MVP Platform
UK | FinTech | Financial MVP
Client: SuperFi (Nick Spiller, Founder) - a UK-based fintech startup. We built a complete MVP platform that achieved user adoption, engagement, reduced financial anomalies, and cost savings. The platform incorporated secure financial data handling, user authentication, and real-time transaction monitoring with architecture designed for regulatory compliance from the ground up.
User Adoption achieved | Reduced Financial anomalies | 4.5 Clutch
Stack: FinTech MVP | Secure Transactions | User Auth | Financial Data Processing
Acquaint Softtech vs Blockchain Agencies vs Freelancers
An objective side-by-side. We show where we're stronger and where others might fit better.
| Criteria | Acquaint Softtech | Other Blockchain Agencies | Freelancers / Upwork |
|---|---|---|---|
| Model | Dedicated full-time engineers | Project-based consulting | Open marketplace |
| Rate | $30/hr | $100-250/hr | $18-200/hr |
| Full-Time Monthly | $4,400/mo | $16,000-40,000/mo | Varies widely |
| Multi-Chain Expertise | Ethereum, Solana, Hyperledger, BSC, Polygon | Usually 1-2 chains | Varies per freelancer |
| IP Ownership | ✓ 100% yours. NDA day one. | Often retained by consultancy | Often unclear |
| Avg Engineer Tenure | 24+ months | Engagement-based | Project-based |
| Onboarding Speed | 48 hours | 2-4 weeks | Immediate but risky |
| Verified Reviews | ✓ 48+ Clutch reviews, 4.9/5 | Varies | Platform reviews |
| ✓ ISO 27001 | ✓ Certified | ✗ Varies | ✗ Not applicable |
| FinTech/Crypto Case Studies | ✓ Named, Clutch-verified | Usually generic portfolio | No |
| Best For | Long-term dedicated data engineering | Short-term strategy + implementation | Simple one-off tasks |
See Exactly How Much You Save Hiring Remote Blockchain Developers
Blockchain developers are among the most expensive engineering roles globally. Most clients save 60-80% compared to US/UK rates through Acquaint without sacrificing Solidity expertise, security practices, or multi-chain experience.
Full-Time Senior Blockchain Developer
US Blockchain Developer (in-house)
$12,500-$18,300/mo
UK Blockchain Developer (in-house)
£7,000-£12,000/mo
Annual saving vs US hiring
$97,000 - $166,000/yearCost to Hire Blockchain Developer
Clear, predictable rates. No recruitment fees. No token-based payments. No lock-in. No platform markup.
- → Flexible hourly engagement
- → Contract fixes, new features
- → Monthly billing, time tracked
- → NDA and IP protection
- → 1-week notice to pause
- → Your blockchain developer - your contracts only
- → Daily standups, direct Slack access
- → Sprint-based agile workflow
- → Free replacement guarantee
- → Full NDA and IP ownership
- → 1-month exit, zero penalties
- → Dedicated blockchain squad
- → Smart contract + DApp + backend
- → Milestone-based payments
- → Security audit included
- → Post-launch monitoring included
Blockchain Developers for Your Specific Situation
🚀 For Startups Building Web3 Products
Launch your token, NFT marketplace, or DeFi protocol without blowing your seed round on $200/hr consultants. From $30/hr. Our developers build MVPs that attract users and investors, not just testnet demos.
💳 For FinTech Adding Crypto Features
Your fintech product needs crypto wallet support, token-based payments, or blockchain-based compliance. Our developers integrate blockchain into your existing platform without rebuilding your entire backend.
🏢 For Agencies (White-Label)
Your client wants a blockchain solution and your team doesn't have Solidity expertise. Full NDA, your brand, no direct client contact unless you want it. Your clients think your team built the smart contracts.
🏛️ For Enterprise Blockchain Adoption
Supply chain traceability, document verification, inter-company data sharing. Our developers build permissioned blockchain solutions on Hyperledger that give you blockchain's benefits without public chain exposure or gas costs.
🎨 For Brands Entering Web3
Loyalty tokens, digital collectibles, branded NFT drops, or token-gated access to exclusive content. Our developers build the smart contracts and frontends that make your brand's Web3 entry smooth and secure.
🌍 For Distributed Teams
Already have web developers but need dedicated blockchain expertise? Our Solidity developers integrate into your existing frontend codebase and Git workflow to add on-chain capabilities without disrupting your delivery.
Blockchain Developers Who Know Your Industry's On-Chain Needs
Every industry has unique blockchain use cases, from regulatory compliance to asset tokenization. Our developers have built decentralized solutions across these sectors.
💳 Finance & FinTech
Crypto wallet integration, cross-border payment settlement, compliance-ready transaction monitoring, tokenized securities, and DeFi protocol development for regulated markets
🛒 E-Commerce & Marketplaces
NFT marketplaces for digital goods, loyalty token programs, blockchain-verified product authenticity tracking, and crypto payment gateway integration for online stores
🏥 Healthcare & HealthTech
Immutable patient records on permissioned chains, pharmaceutical supply chain verification, clinical trial data integrity, and consent management on blockchain
🏠 Real Estate & PropTech
Fractional property ownership through tokenization, smart contract-based rental agreements, transparent title transfer records, and blockchain-verified property histories
📦 Supply Chain & Logistics
End-to-end product traceability from manufacturer to consumer, tamper-proof shipping records, automated vendor payments via smart contracts, and provenance verification
🎮 Gaming & Entertainment
In-game NFT assets with true player ownership, play-to-earn token economics, cross-game asset portability, and blockchain-based royalty distribution for content creators
🎓 Education & EdTech
Blockchain-verified academic credentials and certificates, tamper-proof transcript records, decentralized learning achievement badges, and credential sharing platforms
⚖️ Legal & Governance
Smart contract-based agreement execution, decentralized voting and governance systems, blockchain-notarized document verification, and transparent corporate governance
⚡ Energy & Sustainability
Peer-to-peer energy trading platforms, carbon credit tokenization and tracking, renewable energy certificate verification, and transparent ESG reporting on blockchain
Hire Blockchain Developers in 48 Hours
A simple, friction-free process built around your time - not ours.
Share Requirements
Tell us what AI capabilities you need. 3 minutes via form, email, or WhatsApp.
Receive Profiles
Get 2–3 matched AI/ML engineer profiles within 4 hours.
Interview Directly
Speak with candidates. Assess technical depth and team fit. No middlemen.
Sign NDA & Select
Choose your engineer. NDA signed. IP terms agreed. Access provisioned.
Engineer Starts
First sprint planned, development begins. Within 48 hours of first contact.
Risk-Free Blockchain Hiring. You Own Every Smart Contract, Token, and DApp.
Blockchain projects involve sensitive architecture decisions, token economics, and security-critical code. Most companies hesitate to outsource because the stakes are high. We've removed every risk. NDA before any discussion, 100% IP transfer from day one, and a clean 30-day exit anytime.
🛡️ 1-Week Risk-Free Trial
Try your blockchain developer for a full week. Not satisfied with their Solidity skills, security practices, or smart contract architecture? We replace them at zero cost. No questions, no paperwork, no risk on your side.
🔒 NDA Before Any Discussion
Your token economics, smart contract logic, and business model are highly sensitive intellectual property. Legal protection starts at the very first conversation, before we learn anything about your protocol or architecture.
📄 100% IP Ownership from Day 1
Every smart contract, DApp frontend, deployment script, and audit report is unconditionally yours from the first commit. No licensing, no token allocation requirements, no reuse clauses. Zero disputes in 1,300+ projects.
🚪 1-Month Exit with Zero Penalties
No termination fees. No long-term contracts. No lawyers needed. If your roadmap pivots or you bring development in-house, give us 30 days notice and walk away with complete code handover and deployment documentation.
🔄 Free Developer Replacement
If your blockchain developer leaves, underperforms, or isn't the right fit for your protocol's architecture, we provide an immediate replacement at zero additional cost. No gaps in your smart contract development timeline.
🔐 ISO 27001 Data Security
Encrypted storage, role-based access controls, and full audit logging on every engagement. Your private keys, contract source code, and deployment credentials stay protected under enterprise-grade security standards.
What Clients Say After They Hire Laravel Developers from Acquaint Softtech
Companies across the US, UK, and Europe chose Acquaint Softtech. Here's what they said - verified on independent platforms.
Frequently Asked Questions
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What does a blockchain developer do?
A blockchain developer designs and builds decentralized applications, smart contracts, token systems, and blockchain integrations. This includes writing Solidity code for Ethereum-based contracts, building DApp frontends with Web3.js, integrating crypto wallets, developing DeFi protocols, creating NFT marketplaces, and deploying enterprise blockchain solutions on Hyperledger. At Acquaint Softtech, our blockchain developers focus on production-grade smart contracts and DApps that are secure, gas-optimized, and audit-ready.
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Blockchain developer vs smart contract developer vs Web3 developer?
A smart contract developer focuses specifically on writing and auditing on-chain code (Solidity, Vyper). A Web3 developer builds the frontend interfaces that interact with smart contracts (React + Web3.js/Ethers.js). A blockchain developer is the broadest role covering smart contracts, DApp development, token design, and backend infrastructure. If you need end-to-end blockchain development, hire a blockchain developer. Our team covers all three specializations.
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How much does it cost to hire a blockchain developer from India?
Through Acquaint Softtech, dedicated blockchain developers start at $30/hr ($4,400/month full-time). In the US, blockchain developers cost $150,000-$220,000/year. Blockchain agencies charge $100-250/hr. The talent pool is small globally, making India's cost advantage even more significant for blockchain compared to other engineering roles.
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Ethereum vs Solana vs Hyperledger - which should I use?
Ethereum is the most established platform with the largest developer ecosystem, best for DeFi, NFTs, and public-facing applications. Solana offers higher throughput and lower fees, ideal for high-frequency trading apps and gaming. Hyperledger is built for enterprise use cases requiring permissioned access, privacy, and no cryptocurrency requirements. Our developers recommend based on your transaction volume, privacy needs, and whether your use case is public or enterprise-facing.
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How do you ensure smart contract security?
Every contract follows OpenZeppelin security patterns, undergoes automated analysis (Slither, Mythril), manual peer review, comprehensive unit and integration testing, testnet deployment with edge case simulation, and formal audit reporting before mainnet deployment. We design contracts with upgrade paths and emergency pause mechanisms where appropriate.
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Can I hire a blockchain developer for a short-term project?
Yes. Part-time engagement starts at $30/hr (up to 4 hours/day). Fixed-scope blockchain projects start from $10,000. For short-term needs like deploying a token contract, building a minting page, or auditing an existing smart contract, part-time or project-based engagement works well.
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What is the difference between public and private blockchain?
Public blockchains (Ethereum, Solana, Polygon) are open, permissionless, and decentralized. Anyone can participate, and data is transparent. Private/permissioned blockchains (Hyperledger) restrict who can join, read, and write. They're ideal for enterprise use cases where privacy matters but you still need immutability and multi-party trust. Our developers build on both depending on your requirements.
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How does Acquaint compare to other Indian blockchain companies?
48+ verified Clutch reviews at 4.9/5, 1,293+ Upwork reviews (98% success rate), ISO 27001 certified. Named fintech and crypto case studies including neo bank crypto workflows (XOALA), fintech MVP (SuperFi), and compliance platforms (MAP FinTech, FLIQA Payments). Most blockchain agencies show generic portfolios. Our results are publicly auditable on Clutch.
India (Head Office)
203/204, Shapath-II, Near Silver Leaf Hotel, Opp. Rajpath Club, SG Highway, Ahmedabad-380054, Gujarat
USA
7838 Camino Cielo St, Highland, CA 92346
UK
The Powerhouse, 21 Woodthorpe Road, Ashford, England, TW15 2RP
New Zealand
42 Exler Place, Avondale, Auckland 0600, New Zealand
Canada
141 Skyview Bay NE , Calgary, Alberta, T3N 2K6
Your Project. Our Expertise. Let’s Connect.
Get in touch with our team to discuss your goals and start your journey with vetted developers in 48 hours.