Java Developer

Machine Learning Technologies, LLC; Phoenix (AZ); On-site; USD 90,000 - 130,000; Full time

Job summary

Machine Learning Technologies, LLC is seeking an experienced Java Developer to design, develop, test, and maintain scalable, high‑performance applications using Java, Spring Boot, REST APIs, and microservices. You will work with relational and NoSQL databases, write clean, testable code, perform unit testing, and collaborate with analysts, QA, DevOps, and other developers.

Strong problem solving and communication skills are essential for participation in code reviews, technical design

Qualifications

• Experience with Java and object-oriented programming (OOP).
• Proficiency in Spring Boot, Spring MVC, and Spring Framework.
• Experience designing REST APIs and microservices.
• Strong SQL skills with Oracle, MySQL, or PostgreSQL.

Responsibilities

• Design, develop, and maintain enterprise‑level applications using Java.
• Build and enhance applications using Spring Boot and Spring Framework.
• Develop and integrate RESTful APIs and microservices.
• Write clean, reusable, and maintainable code following best practices.
• Work with relational and NoSQL databases.
• Perform unit testing, debugging, and application troubleshooting.
• Collaborate with business analysts, QA engineers, DevOps teams, and other developers.
• Participate in code reviews and technical design discussions.
• Optimize application performance, scalability, and reliability.
• Support application deployment and production issue resolution.

Skills

Java

Spring Boot

REST APIs

Microservices

SQL

Hibernate/JPA

Git

Maven/Gradle

JUnit/Mockito

OOP

Multithreading

Tools

Hibernate/JPA

Git

Maven

Gradle

JUnit

Mockito

SQL Editors

Job description

We are looking for an experienced Java Developer to design, develop, test, and maintain scalable, high-performance applications. The ideal candidate should have strong experience in Java, Spring Boot, REST APIs, microservices, and database technologies.

Key Responsibilities:

• Design, develop, and maintain enterprise-level applications using Java.
• Build and enhance applications using Spring Boot and Spring Framework.
• Develop and integrate RESTful APIs and microservices.
• Write clean, reusable, and maintainable code following best practices.
• Work with relational and NoSQL databases.
• Perform unit testing, debugging, and application troubleshooting.
• Collaborate with business analysts, QA engineers, DevOps teams, and other developers.
• Participate in code reviews and technical design discussions.
• Optimize application performance, scalability, and reliability.
• Support application deployment and production issue resolution.

Required Skills:

• Strong hands‑on experience with Java and object‑oriented programming (OOP).
• Experience with Spring Boot, Spring MVC, and Spring Framework.
• Knowledge of microservices architecture.
• Experience developing REST APIs and web services.
• Proficiency in SQL and databases such as Oracle, MySQL, or PostgreSQL.
• Experience with Hibernate/JPA.
• Knowledge of Git and build tools such as Maven or Gradle.
• Experience with unit testing frameworks such as JUnit and Mockito.
• Understanding of exception handling, multithreading, and collections.
• Strong problem‑solving and communication skills.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.