Hire Freelance
Fintech Rust Developers in Spain
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 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
CTO / Technical Lead
Led the development of a cross-platform graphics engine using C++ and Rust. Pioneered low-level performance enhancements in embedded systems with assembly code.
- Designed real-time rendering pipelines
- Optimized compilers for embedded applications
- Implemented custom memory management techniques
Senior Rust Fintech 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
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
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
Software Engineer
Built and scaled cloud-native applications leveraging Kubernetes and Rust. Developed real-time data processing pipelines for large-scale analytics.
- Implemented machine learning models in Python
- Architected microservices in Scala
- Managed distributed systems with Java
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
Cloud Engineer Consultant
Consulted on cloud infrastructure with Kubernetes and OpenShift for large enterprises. Automated deployment processes using Terraform and Ansible.
- Developed cloud-native applications in Go
- Enhanced security with advanced Python scripting
- Optimized resource allocation in cloud environments
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
Rust Backend & Tooling Engineer
Developed command-line tools for processing and transforming large data sets using Rust. Implemented asynchronous network services leveraging Tokio for high concurrency and performance.
- Created custom parsers with nom for data validation
- Integrated CLI applications using clap for user interface
- Optimized serialization with serde for efficient data handling
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 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 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