Blockchain Developer

Company Description

MSM Coretech Innovations specializes in using the latest web and mobile technologies to help businesses transform ideas into impactful digital solutions. With over six years of industry experience and a skilled team of 50+ professionals, we serve clients across the UK, US, Australia, Europe, UAE, and India. Our innovative solutions are known for being time-efficient, cost-effective, and tailored to meet client goals, whether for startups or enterprises scaling their digital presence. With expertise in delivering 250+ successful projects, including e-commerce systems, mobile apps, and large-scale web solutions, we remain a trusted technology partner focused on reliability and innovation.

Key Responsibilities:

• Develop and deploy smart contracts using

  Solidity

  on Ethereum or other EVM-based chains.
• Integrate

  payment gateway systems

  including crypto payment methods.
• Build and maintain

  DApps

  , wallets, and blockchain transaction modules.
• Manage on-chain/off-chain data integration using

  Web3.js, Ethers.js

  , or similar tools.
• Optimize blockchain transaction flows and gas fees.
• Implement secure wallet-based authentication and crypto payment flows.
• Collaborate with backend, frontend, and DevOps teams for complete end-to-end solutions.
• Troubleshoot blockchain-related issues and ensure high system reliability.

Required Skills:

• Strong knowledge of

  Solidity

  , Smart Contracts, Ethereum, Polygon, or BSC.
• Hands-on experience with

  Blockchain payment gateways

  (CoinPayments, BitPay, Plisio, NOWPayments, etc.).
• Familiarity with

  Web3 libraries

  , Node.js-based backend, and REST APIs.
• Understanding of

  cryptography

  , hashing algorithms, digital signatures.
• Proven experience integrating

  wallets (MetaMask, Trust Wallet)

  .
• Experience with

  IPFS

  , RPC nodes, and blockchain infrastructure.
• Strong debugging and blockchain security knowledge.

Good to Have:

• Knowledge of

  DeFi protocols, NFTs

  , or

  stablecoin payments

  .
• Understanding of

  payment settlement cycles

  and merchant dashboards.