Hire Contract
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
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
Staff Backend Engineer
Architected backend systems using Rust and Node.js, focusing on scalable cloud infrastructure with AWS. Developed containerized applications using Docker Swarm, ensuring robust CI/CD integration.
- Implemented event-driven architectures with AWS Lambda
- Optimized network communication protocols for high availability
- Built distributed logging systems for microservices
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
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
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 / 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 Lead Engineer
Leads hardware and firmware platforms spanning holographic AR/VR, neural implants, industrial devices, and high-end x64 systems. Technical work includes graphene-based implant electronics, ASIC-facing development, clean-room fabrication, ACF/COF assembly, DDR4 platforms, and design-for-manufacture in medical applications.
- High-speed electronics architecture
- Power electronics and circuit design
- Design-for-test implementation
- FMEA-driven product risk analysis
Digital Twin Engineer
Develops an end-to-end satellite digital twin and operations simulator, owning requirements, implementation, and repository-level technical governance. Applies model-based systems engineering to deterministic embedded and flight-software behavior under aerospace verification constraints.
- AOCS operations-model integration
- Software Requirements Specification authorship
- C and C++ embedded simulation components
- Rust-based systems tooling
Lead Software Engineer
Led the development of distributed systems using Rust and Go for scalable cloud services. Designed high-throughput data processing solutions in C++.
- Architected Java microservices for enterprise applications
- Implemented Kotlin-based solutions for backend services
- Enhanced system reliability with fault-tolerant design
Open Source Contributor
Contributed to open-source projects, enhancing libraries and tools in the Rust ecosystem. Developed Python scripts for automation and system integration tasks.
- Improved Rust library documentation and examples for community adoption
- Automated testing workflows using Shell scripts on Linux
- Enhanced Git workflows for collaborative code contributions
Infrastructure Developer
Built CI/CD pipelines to support agile development and rapid deployment. Enhanced enterprise cloud infrastructure with automated provisioning scripts.
- Integrated Swift for cross-platform mobile solutions
- Configured scalable backend services in C#
- Implemented real-time data processing with Java
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
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