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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
68+
Verified Candidates
11+
Avg. Years Experience
Top Skills
Rust Python C++ C
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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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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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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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
Enquire
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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ZE-6518 Junior

Open Source Contributor

Spain
Remote
Employee / Freelancer

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
Rust Python TypeScript Shell Git Linux
Interviewing now Salary on request
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ST-4406 Junior

Infrastructure Developer

Spain
3 years
Flexible
Employee / Freelancer

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
Java Python C# JavaScript C++ Swift
Interviewing now Salary on request
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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
Python Rust Bash C Linux Docker
Available in 2 weeks €60k-100k/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
Rust Substrate C GDB LLDB Python
Interviewing now €80k-110k/yr
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