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Blockchain & Web3 Rust Developers in Spain

Trusted by leading Rust companies
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Cloudflare
1Password
Veeva Systems
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Woven by Toyota
K2Space
General Dynamics Mission Systems
Freeform
SurrealDB
Ditto
Prisma
Polars
Keyrock
Kraken
Crypto.com
Delta
IOHK
RiscZero
Nomic
Paidy
Stockly
Coralogix
Cloudflare
1Password
Veeva Systems
ZF
Woven by Toyota
K2Space
General Dynamics Mission Systems
Freeform
SurrealDB
Ditto
Prisma
Polars
Keyrock
Kraken
Crypto.com
Delta
IOHK
RiscZero
Nomic
Paidy
Stockly
48+
Verified Candidates
9+
Avg. Years Experience
Top Skills
Rust Docker Python Java
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.

Signal Over Volume

Focused, relevant introductions from a curated network.

Available Developers

SK-3258 Senior Recently added

Senior Blockchain & AI Engineer

Spain
7 years
Employee / Freelancer

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
Solidity Rust Clarity Hardhat Truffle EVM
$60k-80k/yr
Enquire
AK-9358 Lead Recently added

Senior Blockchain Engineer

Spain
11 years
Remote
Employee / Freelancer

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
Rust Smart Contracts Polkadot Ethereum Solidity AWS Lambda
Interviewing now €115k-130k/yr
Enquire
#HIRED Senior Recently hired

Senior Blockchain Engineer

Spain
10 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
Rust Substrate ink! Polkadot Solidity Docker TypeScript AWS
Hired Salary: $XXX,XXX
See More
QZ-6486 Mid-level

Blockchain Backend Engineer

Spain
3 years
Remote
Employee / Freelancer

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
Rust JavaScript TypeScript Blockchain DeFi EVM
Interviewing now $110k-120k/yr
Enquire
EG-5570 Lead

Technical Co-Founder

Spain
10 years
Remote
Employee / Freelancer

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 Go Python TypeScript Solidity Distributed systems
Interviewing now $150k-200k/yr
Enquire
RJ-5049 Senior

Senior Software Engineer

Spain
10 years
Flexible
Employee / Freelancer

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
Rust Go JavaScript Solidity Bash Java
Available in 1 month €75k-90k/yr
Enquire
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
Rust Substrate C GDB LLDB Python
Interviewing now €80k-110k/yr
Enquire
AD-5803 Mid-level

Backend Engineer

Spain
5 years
Flexible
Employee / Freelancer

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
Rust Go TypeScript Solidity Python EVM
Available in 2 weeks €70k-95k/yr
Enquire
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
Rust Java Python C/C++ Go CosmWasm
Available in 2 weeks Salary on request
Enquire
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
Go Rust Distributed systems Asynchronous systems Blockchain protocols Protocol integrations
Available in 2 weeks €90k-110k/yr
Enquire
WZ-8193 Senior

Full-stack Rust Engineer

Spain
6 years
Remote
Employee / Freelancer

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
Rust Node.js Java SQL PostgreSQL ArangoDB
Interviewing now €100k-150k/yr
Enquire
ES-3083 Principal

Senior Backend Engineer

Spain
20 years
Flexible
Employee / Freelancer

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
Rust C++ Go Haskell Elixir Python
Interviewing now $80k-120k/yr
Enquire
SZ-2664 Mid-level

Software Engineer

Spain
4 years
Flexible
Employee

Engineered cross-platform applications using Rust and Go, focusing on high concurrency and performance. Developed backend services with SQL databases, optimizing query performance for large-scale user data.

  • Integrated TypeScript for frontend application development
  • Implemented Java-based microservices for enterprise solutions
  • Developed Python scripts for automated testing
Go Rust Python SQL TypeScript Java
Available in 2 weeks Salary on request
Enquire
GH-3329 Senior

Senior Software Engineer

Spain
5 years
Remote
Employee

Engineered compiler optimizations for LLVM IR using Rust, enhancing code generation efficiency. Developed cross-platform applications in C and C++ with a focus on system-level programming.

  • Optimized Unix-based systems for performance
  • Implemented Python tools for data analysis
  • Enhanced C++ libraries for better memory management
C C++ Rust LLVM IR Python UNIX
Interviewing now €50k-80k/yr
Enquire
CD-2332 Junior

Independent Developer / Open Source Contributor

Spain
Remote
Employee / Freelancer

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
C C++ Rust Python Java Kotlin
Interviewing now Salary on request
Enquire

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