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Programming & Development Apps & Mobile

Java Backend Developer

$27/hr Starting at $100

I am a Java Backend Developer with solid experience designing, building, and maintaining RESTful APIs using Spring Boot and related technologies.


🔧 What I offer:

- Development of clean, scalable, and secure APIs

- Debugging and fixing API-related issues

- Refactoring legacy code for performance and maintainability

- Deep SQL expertise: complex queries, performance tuning, indexing strategies

- Dockerization and deployment support


💼 Tech Stack:

Java (8, 11, 17, 21), Spring Boot, Hibernate, PostgreSQL, MySQL, Kafka, Docker, REST APIs, JUnit, Mockito, Git, CI/CD


🛠 I’ve helped companies improve the reliability and performance of their backend systems, reduce technical debt, and accelerate product delivery.


📢 Advanced in English, proactive communicator, and focused on business-oriented solutions. Let’s build something solid!


About

$27/hr Ongoing

Download Resume

I am a Java Backend Developer with solid experience designing, building, and maintaining RESTful APIs using Spring Boot and related technologies.


🔧 What I offer:

- Development of clean, scalable, and secure APIs

- Debugging and fixing API-related issues

- Refactoring legacy code for performance and maintainability

- Deep SQL expertise: complex queries, performance tuning, indexing strategies

- Dockerization and deployment support


💼 Tech Stack:

Java (8, 11, 17, 21), Spring Boot, Hibernate, PostgreSQL, MySQL, Kafka, Docker, REST APIs, JUnit, Mockito, Git, CI/CD


🛠 I’ve helped companies improve the reliability and performance of their backend systems, reduce technical debt, and accelerate product delivery.


📢 Advanced in English, proactive communicator, and focused on business-oriented solutions. Let’s build something solid!


Skills & Expertise

App & Mobile ProgrammingEnglish LanguageJavaMySQLPostgreSQLProgrammingSoftware DevelopmentSpring BootSQL

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