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Fintech Rust Developers in Spain

Trusted by leading Rust companies
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
69+
Verified Candidates
11+
Avg. Years Experience
Top Skills
Rust Python C++ PostgreSQL
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

WT-3063 Lead Recently added

Senior Software Engineer

Spain
14 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
Rust Python C C++ SQL Sway
Available in 2 weeks Salary on request
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JJ-8652 Principal Recently added

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++ C Rust Assembly Python Java
Available in 2 weeks Salary on request
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#HIRED Staff Recently hired

Senior Rust Fintech Engineer

Spain
8 years
Remote
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 Axum Kafka Redis Kubernetes gRPC PostgreSQL Docker
Hired Salary: $XXX,XXX
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CE-3203 Principal

Staff Backend Engineer

Spain
25 years
Remote
Employee / Freelancer

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
Rust Tokio Node.js AWS Docker Swarm CI/CD
Interviewing now €90k-130k/yr
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NE-1336 Principal

Software Engineer

Spain
25 years
Remote
Employee / Freelancer

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
Rust Python Java Scala JavaScript Kubernetes
Available in 1 month $180k-200k/yr
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AH-4885 Lead

Team Lead - Backend

Spain
7 years
Remote
Employee / Freelancer

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
Node.js Go Rust NestJS PostgreSQL Redis
Interviewing now Salary on request
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WB-1476 Senior

Senior Rust Developer

Spain
6 years
Remote
Employee

Architected a distributed ledger system using Rust, achieving consensus across decentralized nodes. Led the development of a high-throughput event-driven system with Tokio for financial services.

  • Designed a scalable microservices architecture in Rust
  • Integrated SQL databases for real-time analytics
  • Built a robust WebSocket server for live data feeds
Rust Python JavaScript TypeScript SQL Tokio
Available in 2 weeks Salary on request
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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
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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
Go Rust Distributed systems Asynchronous systems Blockchain protocols Protocol 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
Rust Go Python C C++ Cython
Interviewing now $80k-120k/yr
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EA-6101 Mid-level

Software Developer

Spain
4 years
Flexible
Employee

Develops cloud-gaming infrastructure using C++ and Rust, with multithreaded asynchronous components for low-latency audio, video, and interactive input. Implemented Tokio-based real-time streaming services, Windows input drivers, FFmpeg hardware encoding, and profiling workflows spanning application, network, and operating-system behavior.

  • Wireshark-based network performance diagnosis
  • Windows and Linux internals debugging
  • Disassembler-assisted reverse engineering
  • Encoder parameter tuning against latency budgets
Rust C C++ Multithreading Asynchronous Programming Windows Internals
Available in 2 weeks Salary on request
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NH-6807 Lead

Senior Lead Engineer

Spain
15 years
Remote
Employee / Freelancer

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
Altium Designer High-Speed Electronics Power Electronics Design for Test (DFT) Design for Manufacturing (DFM) Failure Modes and Effects Analysis (FMEA)
Available in 1 month €70k-120k/yr
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JZ-9900 Junior

Digital Twin Engineer

Spain
2 years
Flexible
Employee / Freelancer

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
C C++ Rust Python TypeScript MATLAB
Available in 1 month Salary on request
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SG-8538 Senior

Java Programming Analyst

Spain
8 years
Remote
Employee

Developed distributed backend components for intelligent transport and traffic-management systems using Go and Java, with emphasis on scalable microservices and database query optimization. Delivered logistics applications, concurrent services, and security-conscious production code across PostgreSQL, Oracle, MongoDB, Docker, and Kubernetes environments.

  • Spring Boot enterprise service development
  • GitHub Actions and Jenkins pipelines
  • Ethical hacking and vulnerability assessment
  • RESTful clean-architecture implementations
Java Rust Go Python C# JavaScript
Interviewing now Salary on request
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JQ-8364 Lead

Lead Software Engineer

Spain
12 years
Remote
Freelancer

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
Rust Java Go Kotlin C C++
Available in 2 weeks Salary on request
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