Hire Freelance
Fintech 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
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
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
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
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
Independent Developer / Open Source Contributor
Actively contributed to open-source projects in the systems programming domain, focusing on Rust-based libraries. Developed cross-platform utilities for performance monitoring using C++.
- Created Python scripts for build automation
- Developed mobile applications in Kotlin for Android
- Implemented Java-based backend services for microservices architecture
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
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
Rust Developer
Engineered high-performance asynchronous web services using Axum and Tokio. Developed SQL-based data processing pipelines for analytics applications.
- Created custom Bash scripts for deployment automation
- Optimized database queries using sqlx for reduced latency
- Implemented real-time data streaming solutions with Rust
Software Engineering Intern
Contributed to the development of asynchronous backend systems using Rust. Enhanced data visualization tools with advanced graphics programming.
- Optimized data processing workflows in Python
- Built embedded systems firmware with real-time constraints
- Integrated Rust-based libraries for improved performance
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
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