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Systems Rust Developers in Spain

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Woven by Toyota
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Ditto
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Polars
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Crypto.com
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79+
Verified Candidates
11+
Avg. Years Experience
Top Skills
RustPythonCC++
Deep Rust Network

Built through years working with teams and engineers in the Rust ecosystem.

Deep Technical Focus

We specialize in systems programming, database internals, and performance-critical infrastructure.

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Focused, relevant introductions from a curated network.

Available Developers

WT-3063 Principal Recently added

Independent Systems Research & Consulting

Spain
16 years
Remote
Employee / Freelancer

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
RustCC++SQLSwayTokio
Interviewing now Salary on request
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LB-4767 Senior Recently added

Software Engineer

Spain
11 years
Flexible
Employee

Built compiler and runtime infrastructure spanning an LLVM JIT for the FreeBSD ipfw firewall, heterogeneous code generation, and dependency-graph-driven execution for high-performance computing. Developed an asynchronous Rust automotive runtime and embedded operating system with hardware drivers, bootloader logic, and over-the-air update support for Cortex-M7 devices.

  • Achieved at least 10x firewall execution speedup
  • Generated CUDA Graph code for heterogeneous systems
  • Offloaded Fortran HPC workloads to FPGA hardware
  • Built Renode-based virtual embedded-device tooling
RustCC++PythonGoFortran
Available in 2 weeks €80k-120k/yr
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#HIRED Senior Recently hired

Staff Low-Level Engineer

Spain
12 years
On-site
Employee
Experienced software engineer with strong background in distributed systems and cloud-native architecture. Proven track record delivering production systems at scale. Skilled in designing fault-tolerant services, optimising CI/CD pipelines, and mentoring junior developers across cross-functional teams.
  • 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
RustCLinuxLLVMAssemblyCMakeTokioDocker
Hired Salary: $XXX,XXX
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SJ-5676 Senior

Lead Systems Architect / Founder

Spain
8 years
Flexible
Employee

Builds scalable web applications using Rust and Actix, with a focus on high-throughput systems and efficient routing using Axum.

  • Developed web applications with Actix
  • Implemented efficient routing with Axum
  • Optimized high-throughput systems
RustC++GoPythonSQLSystems Programming
Available in 2 weeks $40k-50k/yr
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SF-2909 Principal

Software Engineer

Spain
13 years
Flexible
Employee

Develops security-critical Bitcoin firmware and operating-system components in Rust, including transaction validation that detects tampering before signing. Has ported an asynchronous Rust operating system to the STM32H7 and built embedded hardware-abstraction layers under strict memory constraints.

  • Implemented zero-allocation animated QR transmission libraries
  • Developed fuel-gauge, LCD, and camera device drivers
  • Built embedded firmware spanning C, Rust, and MicroPython
  • Contributes to low-level open-source C and C++ projects
RustCC++MicroPythonBitcoinMonero
Available in 1 month $70k-70k/yr
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AV-2372 Staff

Systems Architect and Lead Engineer

Spain
8 years
Remote
Employee / Freelancer

Architected a high-performance distributed system leveraging Rust and Tokio for real-time data processing. Developed custom evolutionary algorithms to optimize resource allocation in cloud environments. Led the integration of OpenAI models into a secure API platform using the Gemini API.

  • Implemented cross-platform desktop applications with Tauri
  • Optimized asynchronous operations in large-scale microservices
  • Pioneered adaptive systems using advanced evolutionary algorithms
RustTokioOpenAIGemini APIEvolutionary AlgorithmsTauri
Interviewing now Salary on request
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JJ-8652 Principal

CTO / Technical Lead

Spain
15 years
Remote
Employee / Freelancer

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
C++CRustAssemblyPythonJava
Available in 2 weeks Salary on request
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WD-4391 Senior

Senior Software Engineer

Spain
8 years
Flexible
Employee

Specialized in designing distributed and asynchronous systems for blockchain protocol integrations. Developed scalable microservices with Go and Rust.

  • Optimized blockchain consensus algorithms for speed
  • Integrated third-party APIs into distributed networks
  • Enhanced fault tolerance in distributed environments
GoRustDistributed systemsAsynchronous systemsBlockchain protocolsProtocol integrations
Available in 2 weeks €90k-110k/yr
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SW-9888 Lead

Senior Backend / Systems Engineer

Spain
13 years
Flexible
Employee / Freelancer

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
RustGoPythonCC++Cython
Interviewing now $80k-120k/yr
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SL-5531 Mid-level

Systems Validation Engineer

Spain
4 years
Remote
Employee / Freelancer

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
PythonRustBashCLinuxDocker
Available in 2 weeks €60k-100k/yr
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AP-3832 Mid-level

AI Systems Developer

Spain
3 years
Flexible
Employee

Developed AI-driven systems using Rust and Python, focusing on algorithm optimization and computational efficiency. Built modular AI frameworks for real-time data processing in C and OCaml.

  • Implemented machine learning algorithms in JavaScript
  • Created intuitive data visualization dashboards with TypeScript
  • Optimized neural network performance for edge devices
RustCOCamlPythonJavaScriptTypeScript
Interviewing now €50k-80k/yr
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EP-3061 Lead

Senior Software Engineer

Spain
13 years
Remote
Employee / Freelancer

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
RustSubstrateCGDBLLDBPython
Interviewing now €80k-110k/yr
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NL-3109 Senior

Head of Engineering / Team Lead

Spain
7 years
Remote
Employee / Freelancer

Led the development of high-concurrency systems using Rust and Tokio. Architected distributed applications with a focus on fault-tolerance and scalability.

  • Developed RESTful APIs using Node.js and NestJS
  • Optimized C++ codebases for performance-critical applications
  • Built real-time data pipelines using Go
RustTokioGoC++Node.jsNestJS
Interviewing now Salary on request
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EF-3896 Principal

Senior Rust / Backend Engineer

Spain
25 years
Remote
Employee / Freelancer

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
RustJavaPythonC/C++GoCosmWasm
Available in 2 weeks Salary on request
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JT-3772 Senior

Software Engineer

Spain
6 years
Remote
Employee

Developed a type-safe Rust control layer for industrial inkjet printheads, including asynchronous execution and hardware-constrained resource management. Built backend infrastructure connecting firmware devices through service discovery, telemetry messaging, and relational storage.

  • napi-rs native Node.js addon packaging
  • mDNS device discovery over isolated VLANs
  • Mosquitto MQTT telemetry handling
  • High-throughput computational print-plan generation
RustCC++PythonJavaScriptTypeScript
Available in 1 month Salary on request
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