Tools & Technologies: Solidity, Ethereum, Web3.js, Truffle, Metamask, IPFS, Node.js, GitDeveloped decentralized applications (dApps) using Solidity on Ethereum blockchain, ensuring secure and transparent transactions.Utilized Web3.js and Truffle to interact with smart contracts and deployed them on Ethereum networks.Integrated IPFS (InterPlanetary File System) for decentralized file storage, ensuring data integrity and security.Collaborated with frontend developers using React.js to create responsive user interfaces that interact seamlessly with blockchain technology.Managed version control with Git and streamlined workflows using agile methodologies.

Tools & Technologies: AWS, Docker, Kubernetes, Terraform, Ansible, Jenkins, GitLab CI, Prometheus, Grafana, ELK StackCloud Infrastructure Management: Designed, deployed, and managed scalable cloud environments on AWS, Azure, and GCP, ensuring high availability, fault tolerance, and security across all platforms. Optimized resource allocation, reducing operational costs by 30%.Containerization & Orchestration: Led the containerization of applications using Docker, ensuring consistency across development, testing, and production environments. Utilized Kubernetes for orchestration, managing clusters for automated scaling and self-healing, reducing manual intervention.Infrastructure as Code (IaC): Implemented Infrastructure as Code using Terraform and CloudFormation, automating infrastructure provisioning and enabling rapid deployments across multiple environments. Reduced deployment time from hours to minutes.CI/CD Pipeline Automation: Developed and maintained CI/CD pipelines using Jenkins and GitLab CI, automating the build, testing, and deployment processes for microservices architectures. This resulted in faster releases and fewer deployment errors.Monitoring & Incident Response: Implemented proactive monitoring solutions with Prometheus and Grafana, providing real-time insights into application performance and system health. Reduced downtime by 40% through efficient incident detection and response.Logging & Security: Set up centralized logging systems using the ELK (Elasticsearch, Logstash, Kibana) Stack, enabling better troubleshooting and system visibility. Conducted regular security audits and vulnerability assessments, ensuring adherence to security best practices.Configuration Management: Automated configuration management and deployments with Ansible, ensuring consistency across all servers and reducing the chance of human error. Improved deployment consistency across different environments.

Tools & Technologies: Solidity, Truffle, Mythril, Slither, Hardhat, Chainalysis, EtherscanConducted extensive audits of Ethereum-based smart contracts to identify vulnerabilities and security risks.Utilized tools like Mythril, Slither, and Hardhat to perform static and dynamic analysis of smart contracts, ensuring compliance with security standards.Collaborated with development teams to fix security flaws, implementing secure coding practices and mitigating attack vectors such as reentrancy, overflow/underflow, and access control issues.Monitored on-chain activity using Chainalysis and Etherscan, identifying and responding to suspicious transactions and potential breaches.Developed and maintained security protocols for private key management and wallet protection, ensuring secure handling of cryptographic assets.Performed penetration testing on decentralized applications (dApps) and blockchain networks to identify vulnerabilities and enhance overall security posture.

Tools & Technologies: JavaScript (Node.js, React.js), Express.js, MongoDB, REST APIs, Git, TypescriptDeveloped scalable web applications using Node.js and Express.js for backend services, ensuring high performance and maintainability.Built dynamic, responsive user interfaces with React.js, optimizing user experience and performance.Designed and integrated RESTful APIs, enabling seamless communication between frontend and backend, improving application efficiency.Managed databases with MongoDB, optimizing queries for faster data retrieval and ensuring data consistency across applications.Implemented CI/CD pipelines for automated testing and deployments, reducing release times and improving code quality.