Staff Augmentation & Dedicated Hiring

Hire Expert Blockchain Developers

Build the future of decentralized technology with our experienced blockchain engineers who design and deploy smart contracts, DApps, and enterprise blockchain solutions across multiple chains.

Why Blockchain Developers from Cozcore?

Blockchain technology is transforming industries from finance and supply chain to healthcare and real estate, and our developers are equipped to build on this transformation. Our blockchain engineers possess deep expertise in smart contract development, decentralized application architecture, token economics, and cross-chain interoperability. They work across major blockchain platforms including Ethereum, Polygon, Binance Smart Chain, Solana, and enterprise solutions like Hyperledger Fabric. Whether you are building a DeFi protocol, an NFT marketplace, a supply chain tracking system, or a tokenized asset platform, our developers deliver secure, auditable, and gas-optimized solutions.

Developer Experience & Background

Our blockchain developers average 3+ years of dedicated blockchain development experience and have collectively deployed smart contracts managing hundreds of millions of dollars in total value locked. They have built DeFi protocols with automated market makers, lending platforms with liquidation mechanisms, NFT marketplaces with royalty enforcement, multi-chain bridge systems, and enterprise supply chain solutions. Our developers stay current with the rapidly evolving blockchain landscape, including Layer 2 scaling solutions, account abstraction, and emerging consensus mechanisms.

Pre-Vetted Talent

Every developer passes rigorous technical assessments before joining our team.

Quick Onboarding

Developers ready to contribute within 3-5 business days of your request.

Timezone Flexibility

Overlapping hours with US, UK, Australian, and European business timezones.

Risk-Free Trial

Two-week trial period with free replacement if the developer is not a good fit.

Start Hiring Today

Share your requirements and we will present qualified candidates within 24-48 hours.

Request Developer Profiles Schedule a Call

Why Cozcore?

  • 10+ years in software development
  • 50+ skilled engineers on our roster
  • 200+ projects delivered globally
  • 95% client retention rate
  • No long-term lock-in contracts

Have Questions?

Talk to our hiring specialist

+91-82098-78432

Technical Skills & Expertise

Our blockchain developers are proficient in the tools, frameworks, and methodologies that power modern software development.

01

Solidity smart contract development with security best practices

02

Ethereum, Polygon, Binance Smart Chain & Arbitrum deployment

03

DApp front-end integration with Web3.js, Ethers.js & wagmi

04

DeFi protocol development (AMM, lending, staking, yield farming)

05

NFT marketplace and token standard implementation (ERC-721, ERC-1155)

06

Smart contract auditing and security analysis with Slither & Mythril

07

Hardhat, Foundry & Truffle development environments

08

IPFS and Arweave for decentralized storage

09

TheGraph for blockchain data indexing and querying

10

Hyperledger Fabric for enterprise permissioned blockchains

Our Hiring Process

A streamlined, transparent process designed to match you with the right developer quickly and confidently.

1

Share Your Requirements

Describe your blockchain project, target chains, smart contract requirements, and any specific security or compliance needs. We identify developers with the exact blockchain expertise your project requires.

2

Candidate Shortlisting

Within 24-48 hours, receive profiles of vetted blockchain developers showcasing deployed contracts, audit reports, DApp portfolios, and their expertise across specific blockchain platforms.

3

Technical Interview

Evaluate candidates through smart contract code reviews, discussions on gas optimization and security patterns, and architecture design for decentralized systems tailored to your project scope.

4

Onboarding & Integration

Your blockchain developer gains access to your repositories, testnet environments, and development tools, with a thorough briefing on your protocol design and smart contract architecture.

5

Development & Ongoing Support

Development begins with testnet deployment and iterative testing. We provide security review at every milestone, mainnet deployment support, and ongoing maintenance for contract upgrades and monitoring.

Ready to Hire Blockchain Developers?

Get matched with qualified candidates within 24-48 hours. No commitment required.

Request Developer Profiles

Flexible Engagement Models

Choose the engagement model that best fits your project scope, timeline, and budget. Scale up or down as your needs evolve.

Hourly

Flexible hourly blockchain development for smart contract reviews, specific feature implementations, or consulting on blockchain architecture and tokenomics.

  • Pay only for hours worked
  • Minimum 20 hours per week
  • Weekly progress reports
  • Scale up or down anytime
Best for

Smart contract audits, tokenomics consulting, and targeted development tasks

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Monthly Dedicated

A full-time dedicated blockchain developer working on your project, from smart contract development through front-end DApp integration and deployment.

  • 160 hours per month guaranteed
  • Daily standups and sprint planning
  • Direct Slack and video access
  • No long-term lock-in contract
Best for

Ongoing DApp development and protocol iterations

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Dedicated Team

A complete blockchain development team including smart contract engineers, front-end DApp developers, security auditors, and DevOps for blockchain infrastructure.

  • Full blockchain team with security audit
  • Dedicated project manager
  • Custom team composition
  • Multi-chain deployment support
Best for

Complex DeFi protocols, multi-chain platforms, and enterprise blockchain projects

Get Started

Related Services

Explore our complementary services that work hand-in-hand with our developer hiring solutions.

Frequently Asked Questions About Hiring Blockchain Developers

Which blockchain platforms do your developers work with?
Our blockchain developers are proficient across multiple platforms including Ethereum and its Layer 2 solutions (Polygon, Arbitrum, Optimism), Binance Smart Chain, Solana, Avalanche, and enterprise platforms like Hyperledger Fabric. They can advise on the optimal chain for your use case based on factors like transaction costs, throughput requirements, ecosystem maturity, and your target user base.
Can your blockchain developers build DeFi protocols?
Yes, DeFi development is one of our core blockchain competencies. Our developers have built automated market makers, lending and borrowing protocols, yield aggregators, staking platforms, liquidity mining programs, and governance systems. They understand the complex economic models underlying DeFi protocols and implement them with rigorous attention to security, gas efficiency, and mathematical correctness.
How do your blockchain developers ensure smart contract security?
Security is paramount in our blockchain development process. Our developers follow established security patterns including checks-effects-interactions, use reentrancy guards, implement access control with role-based permissions, and avoid common vulnerabilities listed in the SWC Registry. Every contract undergoes internal review using automated tools like Slither, Mythril, and Echidna for fuzz testing. For production deployments, we recommend and facilitate third-party security audits.
Do your developers have experience building NFT platforms?
Yes, our developers have built NFT marketplaces, minting platforms, generative art engines, and NFT-gated access systems. They are proficient in ERC-721, ERC-1155, and emerging NFT standards, implement royalty enforcement mechanisms, integrate with IPFS and Arweave for decentralized metadata storage, and build front-end minting experiences that connect seamlessly with popular wallets like MetaMask and WalletConnect.
Can your blockchain developers handle token creation and tokenomics?
Absolutely. Our developers create custom tokens following ERC-20, BEP-20, and other standards, implementing features like transfer taxes, reflection mechanisms, vesting schedules, and governance capabilities. They collaborate with your team on tokenomics design, advise on supply mechanics and distribution strategies, and implement token contracts with comprehensive test coverage and upgradeability patterns when needed.
How do your blockchain developers approach gas optimization?
Gas optimization is a critical skill for our blockchain developers. They minimize gas costs through techniques including efficient storage packing, using mappings over arrays where appropriate, batching operations, implementing proxy patterns for upgradeable contracts, optimizing loop structures, and leveraging assembly for performance-critical functions. They benchmark gas usage across different approaches and document the trade-offs between gas cost and code readability.
Do your developers build full-stack DApps or just smart contracts?
Our blockchain team handles full-stack DApp development including smart contract design and deployment, front-end interfaces built with React and Web3 libraries like wagmi and RainbowKit, backend indexing services using TheGraph or custom subgraphs, and the infrastructure for deploying and monitoring the complete application stack. We can also integrate DApp functionality into your existing web application.
Can your blockchain developers work on enterprise blockchain solutions?
Yes, we have developers experienced in enterprise blockchain implementations using Hyperledger Fabric, Quorum, and Corda. They build permissioned blockchain networks for supply chain management, identity verification, document attestation, and inter-organizational data sharing. They understand the regulatory and compliance requirements that enterprise blockchain solutions must meet and design accordingly.
What is the typical timeline for a blockchain project?
Timelines vary based on complexity. A simple token contract can be completed in 1-2 weeks including testing. An NFT marketplace typically takes 6-8 weeks. A DeFi protocol with multiple contracts, front-end, and security audits may require 10-16 weeks. Enterprise blockchain solutions involving multiple organizations can take 3-6 months. We provide detailed timelines after understanding your full project scope and security requirements.
How do your blockchain developers handle contract upgrades?
Our developers implement upgradeable smart contracts using established patterns like the transparent proxy pattern and UUPS (Universal Upgradeable Proxy Standard), typically leveraging the OpenZeppelin upgrades library. They design upgrade governance mechanisms, maintain storage layout compatibility between contract versions, and thoroughly test upgrade paths on testnets before mainnet execution. They also implement timelocks and multi-sig requirements for upgrade authorization to protect user funds.

Hire Blockchain Developers with Cozcore Technology

Stop searching and start building. Share your requirements today and we will connect you with pre-vetted, experienced developers who are ready to contribute from day one.