I will develop custom Java-based tools for your application, startup, or backend.
My services include:
🔧 Spring Boot REST APIs (secure, documented)
🔍 CLI tools for crypto, JSON processing, data handling
🛠 Lightweight GUI apps (JavaFX) on request
🧾 License key systems or wallet checkers
Skilled in Java 17, Gradle, JSON, H2 DB, Coingecko & Web3 APIs.
Delivery includes full source code + documentation
The price is negotiable and the delivery time depends on complexity.
