Blockchain Developer

Job Title : Blockchain Developer Location : Montgomery, Alabama 36101 Experience : 12+ Years Employment Type : Contract About the Role We are looking for a highly experienced Blockchain Developer with over 12 years of industry expertise to design, build, and maintain secure, scalable blockchain platforms and decentralized applications. This is a contract role for someone who deeply understands blockchain architecture, smart contracts, cryptography, and distributed systems. You will work closely with engineering, product, and security teams to build reliable blockchain solutions that support business and technology goals. Key Responsibilities Design and develop blockchain-based solutions, including smart contracts, consensus algorithms, and decentralized applications. Build and maintain secure and scalable blockchain infrastructure and APIs. Evaluate emerging blockchain technologies and recommend integration approaches. Optimize existing blockchain architecture for performance, cost, and reliability. Develop smart contracts using platforms such as Ethereum, Hyperledger, or other relevant chains. Implement cryptographic and security best practices to protect digital assets. Integrate blockchain solutions with front-end and back-end systems. Diagnose issues, perform debugging, and participate in code reviews. Collaborate with cross-functional teams including DevOps, Cloud, Security, and Product. Produce clear documentation, architecture designs, and technical specifications. Required Skills & Qualifications 12+ years of hands-on software development experience, with a strong focus on blockchain. Strong background in smart contract development using Solidity, Rust, Go, or similar languages. Deep understanding of blockchain protocols, nodes, distributed ledgers, tokens, and wallets. Experience with Ethereum, Hyperledger Fabric, Polygon, Corda, or similar blockchain frameworks. Proficiency with cryptography concepts, hashing algorithms, zero-knowledge proofs, and consensus mechanisms. Strong understanding of distributed systems, microservices, and cloud technologies. Experience integrating blockchain with web or mobile applications. Knowledge of Web3 libraries and development tools such as Truffle, Hardhat, or Remix. Ability to design secure architecture and follow best practices. Strong problem-solving and communication skills. Preferred Experience Experience working with DeFi, NFTs, enterprise blockchain, or tokenization. Familiarity with CI / CD pipelines and containerized environments (Docker, Kubernetes Prior experience building high-performance systems in a contract or consulting environment. Education Bachelor's or Master's in Computer Science, Engineering, or a related field (or equivalent experience