You will get Cloud Engineers -Systems/Network Admin + Cloud Engineer
Project details
esponsibilities included handling 2-3 customer accounts at a time as the customer facing technology lead and cloud engineer. Large scale migrations from in-house data centers or other providers to Amazon Web Services.
Extensive DevOps work with the AWS API for tasks such as automated AMI snapshots, pruning, and custom fail-over scripts for REST-based network services.
Extensive use of Cloud Formation, Auto Scaling Groups, Route 53, ELBs, etc.
Designed multiple Chef based configuration management solutions using OpsWorks as well as custom built primary Chef servers with multiple nodes and management consoles.
Designed several HA cluster configurations using technologies like ELBs, keepalived, DB replication, RDS Disaster Recovery solutions, EBS backups, etc.
Extensive DevOps work with the AWS API for tasks such as automated AMI snapshots, pruning, and custom fail-over scripts for REST-based network services.
Extensive use of Cloud Formation, Auto Scaling Groups, Route 53, ELBs, etc.
Designed multiple Chef based configuration management solutions using OpsWorks as well as custom built primary Chef servers with multiple nodes and management consoles.
Designed several HA cluster configurations using technologies like ELBs, keepalived, DB replication, RDS Disaster Recovery solutions, EBS backups, etc.
Programming Languages
PHP, JavaScript, PythonCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$40
|
Standard
$80
|
Advanced
$120
|
|---|---|---|---|
| Delivery Time | 10 days | 15 days | 20 days |
Number of Revisions | Unlimited | Unlimited | Unlimited |
Number of Pages | 8 | 10 | 12 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code | - | - |
About Vandana
Lead Blockchain & Web3 Architect | Ethereum | Solidity | NFTs | DeFi |
Jabalpur, India - 8:28 pm local time
🔹 Certified Blockchain Architect & Full Stack Developer with 15.6+ years of software engineering experience and 12.6+ years in decentralized technologies.
I help global clients across the USA, UK, Switzerland, Singapore, and the UAE design, develop, and launch secure, scalable, and enterprise-grade Web3 solutions — from MVP to mainnet. My stack includes Ethereum, Polygon, zkEVM, BNB Chain, Hyperledger, and other next-gen protocols.
🧠 Core Blockchain Expertise
* Smart Contracts: Solidity, Cairo, Hardhat, Foundry, Slither, Remix
* Token Standards: ERC-20, ERC-721, ERC-1155, ERC-4626, Soulbound Tokens
* Protocols: Ethereum, Polygon, zkEVM, Optimism, BNB Chain, Avalanche, Hyperledger
* Infrastructure: Chainlink, The Graph, IPFS, Alchemy, Infura, Gelato
* Frontend: Web3.js, Ethers.js, React.js, Next.js
* Security: Certified in Smart Contract Security (Slither, MythX, Foundry fuzzing)
* Advanced: Zero-Knowledge Proofs, Layer 2 Rollups, DAO tooling, Multi-sig wallets
* Ethereum, Polygon, zkEVM, BNB Chain, Hyperledger Fabric
🚀 Existing Clients Projects I Deliver
🔶 1. For DeFi Startups:
* Lending/Borrowing dApps
* Yield farming + auto-compounding vaults
* Token staking platforms with reward logic
* ERC-4626 vaults, DEX integrations (Uniswap/Sushiswap)
* DeFi Analytics dashboards + governance tokens
* Liquidity pool strategies with risk analysis
* DeFi Clients
* NFT Projects
* ZK (Zero-Knowledge) & Layer 2 Scaling
* Enterprise Blockchain (Hyperledger & Tokenization)
* FinTech
✅ Delivered: Cross-chain DeFi app (Ethereum ↔ Polygon ↔ zkSync), custom staking contracts, gas-optimized vaults.
🔷 2. For NFT Platforms:
* Custom NFT minting engines (lazy, batch, whitelist)
* Royalty-enforced marketplaces (ERC-2981)
* Soulbound tokens (identity NFTs)
* On-chain metadata, generative NFTs, IPFS/Arweave integration
* NFT + DeFi fusion projects (staking NFTs for yield or access)
✅ Delivered: Multi-chain NFT launchpad, NFT staking for in-game assets, and curated NFT gallery with on-chain metadata.
🔶 3. For ZK and L2 Scaling Projects:
* zkEVM smart contract development
* Optimistic Rollups & fraud-proof system setup
* zk-SNARKs & zk-STARK integration with zkSync, Scroll
* Private voting apps, shielded token transfers
* Layer 2 bridges & relayer logic
✅ Delivered: Zero-knowledge based identity protocol with off-chain storage and shielded voting using Semaphore.
🔷 4. For Enterprise & Tokenization Clients:
* Private blockchain networks with Hyperledger Fabric
* CBDC design, asset tokenization & compliance (RWA, real estate, bonds)
* KYC/AML integration with on-chain ID verification
* Blockchain-based supply chain traceability
* Permissioned dApps with off-chain + on-chain sync
✅ Delivered: Enterprise tokenization platform for equity shares (ERC-1400), Hyperledger Fabric-based audit system for logistics firm.
🔒 Security-First Blockchain Engineering
* Static + dynamic analysis: Slither, MythX, Echidna, Foundry
* Formal verification of critical logic
* Role-based permissioning, contract upgrades via UUPS/Proxy
* Multi-chain deployment with test coverage and CI/CD pipelines
* Languages & Frameworks:
Solidity, Cairo, Web3.js, Ethers.js, React.js, Hardhat, Foundry, Remix
* Token & Contract Standards:
ERC-20, ERC-721, ERC-1155, ERC-4626, OpenZeppelin Libraries
* Auditing & Security Tools:
Slither, MythX, Smart Contract Audit, Formal Verification
* Infrastructure & Integrations:
Chainlink, The Graph, IPFS, Metamask Integration, Cross-chain Bridge
* Use Cases Delivered:
DeFi, NFT Marketplac
My goal is to keep my clients on the leading edge of information transfer technologies, adding significant value to their business.
"You think it. I build it !"
Thank you for spending your valuable time on my profile.
Steps for completing your project
After purchasing the project, send requirements so Vandana can start the project.
Delivery time starts when Vandana receives requirements from you.
Vandana works on your project following the steps below.
Revisions may occur after the delivery date.
Inititiation>Planning>Executing>Monitoring>Closing.
Inititiation>Planning>Executing>Monitoring>Closing.