Hire Freelance
Fintech Rust Developers in France
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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 Freelance Consultant
Builds backend platforms around PHP 8+, Symfony, Laravel, and NestJS, using domain-driven, hexagonal, and event-driven architectures for REST APIs and microservices. Has implemented distributed integrations across AWS messaging services, Kubernetes deployments, relational and document databases, and regulated authentication flows.
- Designed OpenAPI contracts for service integrations
- Implemented OAuth2, OIDC, JWT, and Keycloak security
- Applied TDD with PHPUnit, Jest, and SonarQube
- Built event workflows with AWS SNS and SQS
Staff Software Engineer
Architected scalable data processing systems with Scala and FS2 for large-scale analytics. Developed RESTful APIs using Http4s, ensuring high throughput and low latency.
- Led migration to cloud infrastructure using Kubernetes
- Enhanced data serialization with Circe for JSON processing
- Designed event-driven architectures using Kafka
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
Senior Software Engineer
Architected distributed systems with Rust and C++ for high-frequency trading platforms. Spearheaded performance optimization projects reducing latency by over 50% in critical systems. Developed low-latency communication protocols for financial data exchange.
- Enhanced multi-threading capabilities in systems software
- Implemented custom memory management techniques
- Led refactoring of legacy C++ codebases to Rust
Senior Software Engineer
Developed decentralized applications on the Solana blockchain, using Rust and Anchor for smart contract development. Designed scalable backend services for financial platforms.
- Implemented TypeScript-based UI for blockchain interactions
- Optimized SQL queries for high-volume data processing
- Integrated Java-based middleware for cross-chain compatibility
Senior Back-End Engineer
Developed back-end services with C++ and Python for high-availability systems. Contributed to Qt-based interfaces for desktop applications.
- Enhanced Rust libraries for better concurrency support
- Integrated JavaScript for responsive UI components
- Optimized C code for embedded systems
Software Engineering Student
Implemented a C memory allocator and a shell interpreter, applying low-level memory-management and process-control concepts. Built Rust and GTK4 neural-network tooling alongside a C/GTK OCR-based Sudoku solver, combining numerical computation with desktop interfaces.
- x86-64 and 68000 assembly programming
- Ansible API and REST backend development
- Active Directory and GNS3 networking
- OCaml and Haskell programming
Freelance Tech Lead / Embedded Systems Architect
Architected embedded systems with a focus on Linux-based platforms using Yocto. Developed real-time applications in Rust for resource-constrained environments.
- Created custom Linux kernel modules
- Implemented C++ solutions for hardware interfacing
- Automated build processes with Bash scripting
Software Engineer
Developed high-performance network services using Rust, focusing on low-latency data processing. Contributed to the optimization of a distributed storage system, achieving significant improvements in data retrieval speed.
- Built a custom RPC framework in C++ for microservices.
- Implemented real-time analytics pipelines with Python and TypeScript.
- Enhanced security features in IoT firmware using C.
- Optimized database query performance in a large-scale NestJS application.
Research Engineer
Specialized in cybersecurity tools development with Kali Linux and Metasploit to enhance penetration testing capabilities. Conducted network vulnerability assessments using Nmap.
- Developed automated security scripts for Linux environments
- Integrated BurpSuite Pro for web application security testing
- Configured Windows systems for enhanced security protocols
Tech Lead
Led development of distributed systems using NodeJs and Rust for real-time data processing. Implemented Kafka for event-driven architectures to handle high-throughput data streams. Utilized Redis for caching and fast data access.
- Integrated GitlabCI for automated testing and deployments
- Developed monitoring solutions with Kibana
- Optimized data flow with advanced queuing techniques
Rust teacher
Educated teams on Rust programming best practices and advanced concepts. Developed educational materials and training programs for large-scale software engineering teams.
- Designed complex C++ systems with multi-threading capabilities
- Integrated Python for scientific computing applications
- Enhanced OCaml tools for functional programming education
Senior Software Engineer
Built high-performance runtime environments optimized for distributed systems on Linux platforms. Designed backend systems for real-time data processing across large-scale infrastructures.
- Enhanced garbage collection in custom Rust runtime
- Optimized inter-service communication for microservices
- Implemented consensus protocols for distributed databases
Senior Lead Backend Engineer
Led backend development for scalable applications using Rust and Python. Designed efficient algorithms for data processing. Implemented CI/CD pipelines using Docker and Agile methodologies.
- Led scalable backend development
- Designed efficient data processing algorithms
- Implemented CI/CD with Docker
Developer
Developed high-performance data ingestion pipelines using Rust and Parquet. Managed containerized applications in Kubernetes for seamless deployment and scaling.
- Optimized time-series databases with InfluxDB
- Built concurrent systems with Go channels
- Contributed to open-source C++ projects