Hire Freelance
Blockchain & Web3 Rust Developers in Spain
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Built through years working with teams and engineers in the Rust ecosystem.
We specialize in systems programming, database internals, and performance-critical infrastructure.
Focused, relevant introductions from a curated network.
Available Developers
Senior Blockchain & AI Engineer
Engineered blockchain solutions and smart contracts, focusing on EVM compatibility and efficiency using Rust and Solidity.
- Deployed AI models for predictive analytics
- Enhanced contract testing with Truffle
- Utilized Hardhat for blockchain development
Senior Blockchain Engineer
Architected decentralized applications on Ethereum and Polkadot, focusing on smart contract security and efficiency. Leveraged AWS Lambda to create scalable back-end services for blockchain infrastructures.
- Developed Solidity smart contracts for token management
- Implemented cross-chain interoperability solutions
- Optimized blockchain data storage and retrieval
Senior Blockchain Engineer
- Led migration of monolithic system to microservices architecture
- Built high-throughput data pipeline processing 1M+ events per second
- Designed and implemented real-time monitoring and alerting platform
Blockchain Backend Engineer
Specialized in developing scalable smart contract platforms using Hyperledger Besu. Contributed to the deployment of containerized blockchain solutions using Kubernetes and OpenShift. Engineered backend systems for decentralized applications with a focus on security and performance.
- Implemented a custom consensus algorithm for private blockchains
- Optimized transaction throughput for high-load blockchain networks
- Developed cross-platform blockchain tooling with TypeScript
Technical Co-Founder
Built a high-throughput distributed ledger platform using Rust and Go, achieving sub-second transaction finality. Developed a smart contract execution engine that supports complex financial instruments in Solidity.
- Architected a decentralized identity management system
- Implemented a cross-chain interoperability protocol
- Optimized consensus algorithms for low-latency environments
Senior Software Engineer
Designed and implemented distributed systems for high-availability services using Rust and Python. Led teams in developing blockchain-based applications with a focus on smart contract security.
- Optimized SQL databases for performance and scalability
- Authored technical documentation for complex system architectures
- Contributed to open-source distributed ledger projects
Senior Software Engineer
Built comprehensive blockchain solutions using Rust and Solidity, focusing on smart contract security and efficiency.
- Developed Go services for distributed ledger technologies
- Enhanced JavaScript frameworks for crypto trading platforms
- Automated testing suites with Bash for blockchain validation
Senior Software Engineer
Led development of blockchain infrastructures using Rust and Substrate, with a focus on debugging complex systems using GDB and LLDB. Extensive experience in systems programming with C and Python.
- Architected blockchain solutions with Substrate
- Advanced debugging with GDB and LLDB
- Systems programming in C and Python
Backend Engineer
Built a decentralized application platform using Rust and Solidity for blockchain integration. Developed backend services for Ethereum Virtual Machine (EVM) compatibility.
- Implemented TypeScript for frontend and backend consistency
- Optimized Go services for blockchain transaction processing
- Integrated Python scripts for smart contract testing
Senior Rust / Backend Engineer
Specialized in backend systems using Rust and CosmWasm for blockchain applications. Integrated multiple programming languages to create robust, cross-functional solutions.
- Specialized in Rust backend systems
- Developed blockchain applications with CosmWasm
- Integrated multi-language solutions
Full-stack Rust Engineer
Designed and implemented a full-stack application using Rust and Node.js, focusing on seamless API integrations. Optimized database interactions with PostgreSQL.
- Utilized Java for backend service enhancements
- Configured SQL queries for complex data retrieval
- Deployed ArangoDB for graph-based data storage
Senior Backend Engineer
Pioneered backend solutions in Rust, specializing in concurrent processing and memory safety. Enhanced complex systems with C++ and Haskell, focusing on performance-critical components. Developed scalable architectures for high-load environments.
- Pioneered Rust backend solutions
- Enhanced systems with C++ and Haskell
- Developed scalable architectures
Senior Software Engineer
Designed a scalable event-driven architecture using Go and Rust for a logistics platform. Built a Python-based ETL pipeline for data transformation.
- Developed SQL queries for complex data aggregation
- Implemented a TypeScript-based notification system
- Optimized JavaScript applications for front-end performance
Spark Performance Engineer - Data Engineer
Optimized Apache Spark jobs for large-scale data processing using Scala and PySpark. Enhanced data fusion processes with Rust for improved performance and reliability.
- Tuned Spark configurations for maximum throughput
- Developed Scala libraries for data transformation
- Implemented Rust-based plugins for data integration tasks
Systems Validation Engineer
Validated embedded systems software using SCPI and PyVISA for communication protocols. Developed test harnesses for STM32 microcontroller-based systems.
- Automated validation processes with Python scripts
- Configured hardware interfaces for improved testing
- Integrated Rust modules for enhanced performance