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
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
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 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
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
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
Team Lead - Backend
Designed backend systems using Rust and Go for high-performance applications. Managed data persistence with PostgreSQL and caching strategies using Redis.
- Integrated NestJS for modular server-side applications
- Developed API gateways for microservice communication
- Optimized Node.js applications for concurrency
Machine Learning and Data Analysis
Developed machine learning pipelines using Rust and Python for data analysis. Implemented data storage solutions with PostgreSQL and optimized query performance.
- Automated data preprocessing with Bash scripts
- Implemented C algorithms for data transformation
- Developed Java tools for data visualization
Senior Backend / Systems Engineer
Engineered a distributed ledger technology platform using Rust for secure transactions. Developed low-latency network protocols in C for high-frequency trading platforms.
- Optimized Python scripts for data analytics
- Built a custom memory management system in C++
- Implemented concurrency models for scalable applications
Principal Backend Engineer
Led backend engineering teams to build microservices architecture with Rust and Kafka. Applied Domain-Driven Design (DDD) principles in complex system modeling.
- Implemented SOLID principles in Ruby applications
- Optimized event-driven systems for scalability
- Configured CI/CD pipelines for microservices
Lead Software Engineer
Architected a distributed ledger system using Rust and Scala for financial transactions. Enhanced SQL databases for handling large-scale data efficiently.
- Implemented real-time data processing with Tokio.
- Designed a fault-tolerant messaging system using Actix.
- Optimized TypeScript codebases for frontend performance.
Sr. Backend Software Engineer
Implemented a gRPC-based microservices architecture in Rust for a high-availability backend system. Developed a distributed caching solution using Redis, significantly improving data retrieval times. Designed a fault-tolerant database replication system with SQLite for edge computing applications.
- Developed Python scripts for automated data migration
- Created TypeScript interfaces for API integration
- Optimized network protocols for reduced latency
Research Engineer
Engineered a low-level networking stack in Rust for a telecommunications application, focusing on efficient data packet handling and protocol compliance. Contributed to the design of a custom Linux module for enhanced hardware interaction.
- Prototyped electronics interfacing with embedded systems
- Conducted performance tuning on Linux kernels
- Developed network simulation tools for protocol testing
Technical Team Lead
Led the development of cross-platform applications using Rust and C++, focusing on performance and reliability. Built scalable backend systems with Zig for high-availability services.
- Developed C# tools for enterprise-grade application deployment
- Integrated TypeScript for dynamic frontend development
- Optimized C algorithms for computational efficiency