10/21/2025 updated
100 % available
Senior Web3 | Blockchain Engineer
Klodzko, Poland Bachelor's Degree: Computer Science
About me
Senior Blockchain Developer with 8+ years of experience in smart contracts, DApp architecture, and full-stack development. Skilled in Solidity, Golang, Node.js, and React.js, with expertise in DeFi, NFT, and Bitcoin projects. Focused on scalable, secure, and innovative blockchain solutions.
Java (Programming Language)JavaScript (Programming Language)PHP (Programming Language)Ajax (Programming Language)Amazon Web ServicesArchitectureUnit TestingBootstrap (Software)C Sharp (Programming Language)C++ (Programming Language)DatabasesContinuous IntegrationDevOpsEconomyGithub
Blockchain Development
Extensive experience in blockchain development, specializing in smart contract development and DApp architecture using Solidity, Ethereum, and Solana.
Full Stack Development
Proficiency in both frontend and backend development using React.js, Node.js, and various other technologies to create scalable and efficient web applications.
Smart Contract Development
Expertise in creating robust smart contracts and intricate token economies on leading platforms such as Ethereum and Solana.
Programming Languages
Proficiency in multiple programming languages including Solidity, Rust, Node.js, Golang, PHP, Python, JavaScript, TypeScript, Java, C/C++, C#, and FunC.
Blockchain Technologies
Experience with various blockchain platforms and tools such as Ethereum, Solana, Ton, Hardhat, Decentralized Oracle, Truffle, Forge, Web3, Cosmos SDK, CosmWasm, Rift, and Web3.js.
Backend Technologies
Expertise in backend technologies including Express, Strapi, FastAPI, Laravel, Microservices, gRPC, and NestJS.
Frontend Technologies
Proficiency in frontend frameworks and libraries such as React, Redux, Redux-Saga, Next.js, Nuxt.js, Vue.js, Vuex, Angular, Three.js, Bootstrap, TailwindCSS, jQuery, Ajax, and Vite.
Database Management
Experience with various database systems including PostgreSQL, MySQL, Oracle, MSSQL, MongoDB, Redis, and Prisma.
DevOps and Tools
Familiarity with DevOps practices and tools such as GraphQL, CI/CD, Unit testing, Lambda, GitHub, GitLab, AWS, GCP, and Docker.
Extensive experience in blockchain development, specializing in smart contract development and DApp architecture using Solidity, Ethereum, and Solana.
Full Stack Development
Proficiency in both frontend and backend development using React.js, Node.js, and various other technologies to create scalable and efficient web applications.
Smart Contract Development
Expertise in creating robust smart contracts and intricate token economies on leading platforms such as Ethereum and Solana.
Programming Languages
Proficiency in multiple programming languages including Solidity, Rust, Node.js, Golang, PHP, Python, JavaScript, TypeScript, Java, C/C++, C#, and FunC.
Blockchain Technologies
Experience with various blockchain platforms and tools such as Ethereum, Solana, Ton, Hardhat, Decentralized Oracle, Truffle, Forge, Web3, Cosmos SDK, CosmWasm, Rift, and Web3.js.
Backend Technologies
Expertise in backend technologies including Express, Strapi, FastAPI, Laravel, Microservices, gRPC, and NestJS.
Frontend Technologies
Proficiency in frontend frameworks and libraries such as React, Redux, Redux-Saga, Next.js, Nuxt.js, Vue.js, Vuex, Angular, Three.js, Bootstrap, TailwindCSS, jQuery, Ajax, and Vite.
Database Management
Experience with various database systems including PostgreSQL, MySQL, Oracle, MSSQL, MongoDB, Redis, and Prisma.
DevOps and Tools
Familiarity with DevOps practices and tools such as GraphQL, CI/CD, Unit testing, Lambda, GitHub, GitLab, AWS, GCP, and Docker.
Languages
EnglishFluent
Project history
Developed smart contracts, led Solana program development, implemented frontend components, and optimized blockchain solutions for scalability and security.
Developed cross-chain dApps, led smart contract development on Solana, and integrated blockchain technology into existing financial systems.
Orchestrated microservices architecture, led web interface development, and spearheaded blockchain innovation initiatives.
Portfolio
