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Fintech Rust Developers in Germany

Engineered Web3 solutions using Rust and Solidity for decentralized finance platforms. Developed cross-platform applications with Next.js and Swift.

• Built Web3 solutions with Rust
• Focused on decentralized finance
• Developed cross-platform apps with Swift

Architected enterprise-level software solutions using Rust and Java. Focused on scalable software design patterns and multi-language system integrations.

• Integrated TypeScript and Kotlin for modern web applications
• Developed real-time data processing systems with Scala
• Built scalable backend services with Java

Developed firmware and system-level software for real-time embedded applications. Specialized in low-power device optimization and cross-platform compatibility.

• Integrated real-time operating systems into embedded devices
• Developed custom drivers for hardware peripherals
• Optimized memory usage in resource-constrained environments

Developed embedded-system interfaces and web applications for industrial wind-energy products, including touch interfaces, firmware-release workflows, and remotely managed display content. Automated validation-ready firmware delivery and created product-facing pricing and content-management features for deployed equipment.

• Worked with semantic database concepts
• Implemented data-visualization interfaces
• Documented AI-assisted engineering workflows
• Automated Linux-based release operations

Developed RESTful APIs using Rust and Axum for high-traffic web applications. Implemented database interactions with SQLx, optimizing query performance in PHP-based systems.

• Migrated legacy systems to Laravel for improved maintainability
• Integrated JavaScript front-end with backend services
• Optimized SQL queries for high-transaction environments

Designed integration-heavy systems for financial services and public transportation, connecting heterogeneous platforms through REST, HTTP, JMS, Tibco, and FIX interfaces. Worked across JVM and .NET architectures, including actor-based services, cloud-hosted data systems, and containerized deployments.

• Bloomberg BPIPE and FAST market-data integrations
• AWS RDS, EC2, and Athena workloads
• Apache Spark data-processing pipelines
• Akka Actor and Akka HTTP services

Architected identity and IoT security backends using Rust microservices, decentralized identifiers, verifiable credentials, and OIDC-based wallet flows. Replaced a legacy monolith and moved more than 20 servers to NixOS-managed GitLab CI/CD deployments, cutting manual operational work by half.

• PKCS#11 integration for hardware-backed cryptographic operations
• PostgreSQL schema migrations managed with Flyway
• OpenAPI contracts behind Traefik-routed services
• Automated service health checks with Gatus

Expert in low-level systems programming with Assembly and C for performance-critical applications. Developed complex shell scripts in bash for automation and integration tasks. Utilized Rust for memory-safe concurrent programming in system utilities.

• Specialized in low-level systems programming
• Developed automation scripts in bash
• Utilized Rust for concurrent programming

Built Kotlin Multiplatform bindings for the Rust vodozemac cryptography crate and SQLite, enabling shared native implementations across platforms. Developed Android Automotive eBPF profiling work with Rust and Kotlin, including zero-instrumentation performance analysis.

• Matrix SDK integration for secure messaging
• Encrypted information embedded in printed documents
• Rust and TypeScript supply-chain security research
• German digital-health messenger integrations

Designed a peer-to-peer privileged-access architecture that removes centralized single points of failure from trust and authorization paths. Implements security-sensitive systems in Rust, C++, and x86-64 assembly, spanning cryptographic protocols, kernel development, reverse engineering, and Windows/Linux internals.

• Custom cryptographic backbone for decentralized PAM
• Zero-trust identity and access-management architecture
• Tokio and Actix high-concurrency services
• IDA Pro, Ghidra, x64dbg, and WinDbg workflows

Designed and migrated a carrier-integration platform serving millions of daily requests with availability above 99.99% and no customer-facing migration downtime. Implemented Rust/Axum accounting integration plus event-driven workflow services for shipment placement, invoicing, retention, and financial synchronization.

• Attribute-based authorization with CASL
• BullMQ event-processing workflows
• Kubernetes and Terraform platform operations
• GCP and AWS cloud migrations

Engineered a high-performance platform for data-intensive applications using Golang and Rust. Designed a custom SQL database engine for large-scale analytics.

• Developed Kotlin-based mobile applications
• Optimized systems using nix for configuration management
• Led TypeScript frontend development for scalability

Assisted in developing educational software using Rust and Java, focusing on performance and reliability. Contributed to TypeScript-based web applications for interactive learning.

• Enhanced Python scripts for data science projects
• Developed C-based algorithms for computational tasks
• Implemented JavaScript features for dynamic content delivery

Specialized in building secure and efficient concurrent systems using Rust and Go. Developed a high-performance network protocol stack to support distributed computing applications.

• Created scalable microservices with Scala for data-intensive applications
• Implemented complex algorithms in C for performance-critical systems
• Led cross-functional teams in adopting modern programming paradigms