Hire Freelance
Blockchain & Web3 Rust Developers in Poland

Implemented blockchain data engineering and backend services for cryptocurrency applications using TypeScript, Node.js, PostgreSQL, Python, and AWS. The work also included basic smart-contract integration, administrative interfaces, OpenAPI documentation, and automated test coverage.

• Built Ruby on Rails production applications
• Developed Vue.js and Next.js interfaces
• Applied cybersecurity training to application development
• Worked with Ethereum-oriented blockchain systems

Engineered decentralized applications on blockchain platforms using Rust and Substrate, focusing on smart contract development. Developed a decentralized exchange (DEX) with EVM compatibility.

• Integrated FFI for cross-language interoperability
• Designed consensus algorithms for blockchain networks
• Optimized performance of blockchain nodes

Developed decentralized applications leveraging Rust for backend services and React for user interfaces. Implemented Web3 protocols to enable blockchain interactions. Focused on frontend scalability and performance optimization.

• Developed decentralized applications
• Implemented Web3 protocols
• Focused on frontend scalability

Designed and implemented a Layer 1 blockchain protocol, focusing on consensus algorithm efficiency. Developed smart contracts using Solidity for decentralized finance applications. Engineered secure transaction validation systems in Rust, enhancing blockchain network performance.

• Optimized cryptographic functions for blockchain security
• Created cross-chain bridges for asset interoperability
• Utilized FunC for smart contract optimization in blockchain projects

Led development of blockchain-based applications, ensuring secure and efficient transaction processing. Designed and deployed microservices architecture using Flask and SQL databases.

• Implemented schema migrations with Alembic for database version control.
• Configured Puppet for infrastructure management and deployment.
• Optimized Python scripts for data processing in financial systems.

Developed blockchain applications using Rust and Solidity, specializing in L1 architecture. Implemented automated market makers (AMM) for decentralized finance.

• Engineered smart contracts for secure transactions
• Optimized Move-based applications for blockchain environments
• Conducted security audits for blockchain protocols

Specialized in back-end systems with cryptographic features, leveraging Rust for secure and efficient data management. Worked on blockchain projects with Solidity.

• Developed secure back-end systems with Rust
• Integrated cryptographic features into applications
• Worked with blockchain technologies using Solidity

Led development of distributed systems using Rust and Scala for high-performance computing. Applied TypeScript for robust front-end interfaces.

• Implemented machine learning pipelines in Python
• Designed Kotlin-based microservices for cloud platforms
• Authored Java libraries for data processing

Architected cloud-native platforms using Rust and Python for high-frequency trading. Integrated Solana blockchain with gRPC for secure transaction processing.

• Optimized Nautilus Trader for low-latency execution
• Developed microservices with container orchestration
• Implemented real-time data analytics pipelines

Led the design and deployment of scalable backend systems using Rust and Kafka for real-time data processing. Expert in building microservices architecture with a focus on high availability and resilience.

• Integrated Go and Python for cross-service communication
• Implemented C# modules for legacy system support
• Utilized SQL for complex data transformations

Assisted in building cloud-native applications on AWS using Rust and TypeScript. Developed interactive front-end components with React for dynamic user interfaces.

• Implemented serverless functions with Node.js
• Contributed to continuous deployment pipelines
• Participated in code reviews and refactoring sessions

Contributed to machine learning pipelines using Python and PyTorch, with an emphasis on model optimization. Developed system-level software on Linux platforms using Rust and C++.

• Built machine learning models with PyTorch
• Developed Linux-based system software
• Optimized algorithms in Rust and C++

Built an internal AI-chat backend with centralized Google Gemini key management and a React access-management interface tracking token consumption. Automated PDF invoice extraction with Tesseract OCR and developed Unreal Engine gameplay systems involving character movement, obstacles, and imported 3D assets.

• Astro.js and Tailwind website delivery
• DNS and domain migration operations
• Unreal Engine Blueprint gameplay logic
• Blender rigging and character animation

Engineered quantitative models using Rust and Python for financial analytics. Managed cloud-based data processing on AWS and Azure, optimizing cost and efficiency.

• Developed API integrations for trading platforms
• Utilized Google Cloud for scalable data storage
• Created dashboards for real-time financial metrics