Java Developer

Machine Learning Technologies, LLC; Seattle (WA); On-site; USD 105,000 - 150,000; Full time

Job summary

Machine Learning Technologies, LLC is seeking a skilled Java Developer to design, develop, test, and maintain scalable, high-performance applications. You will work on backend services, REST APIs, and microservices, leveraging Java, Spring Boot, and modern development practices.

The role involves database integration with Oracle, MySQL, or PostgreSQL, along with unit testing, code reviews, and collaboration with cross-functional teams in an Agile environment.

Qualifications

• Proficient in Java 8+ with strong OOP and collection fundamentals.
• Experience building REST APIs and microservices.
• Hands-on with Spring Boot, Spring MVC, Spring Data JPA.
• Knowledge of Hibernate/JPA and ORM concepts.
• Proficient in SQL and relational databases; CI/CD awareness.

Responsibilities

• Design, develop, and maintain enterprise Java applications.
• Build scalable backend services using Spring Boot and Spring Framework.
• Develop and integrate RESTful APIs and web services.
• Design and implement microservices-based architectures.
• Write clean, reusable, and maintainable code.

Skills

Java

Multithreading

REST APIs

Spring Framework

Hibernate/JPA

SQL

CI/CD

Git

Unit testing

Design patterns

Job description

We are looking for a skilled 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, database technologies, and modern software development practices.

Roles and Responsibilities

Design, develop, and maintain enterprise applications using Java and J2EE technologies.

Build scalable backend services using Spring Boot and Spring Framework.

Develop and integrate RESTful APIs and web services.

Design and implement microservices-based architectures.

Write clean, reusable, efficient, and maintainable code.

Work with relational databases such as Oracle, MySQL, or PostgreSQL.

Write SQL queries, stored procedures, and database integration logic.

Implement application security, authentication, and authorization.

Perform unit testing, debugging, troubleshooting, and code reviews.

Collaborate with business analysts, QA engineers, DevOps teams, and other developers.

Use Git for version control and Maven or Gradle for build management.

Participate in Agile/Scrum ceremonies and contribute to continuous improvement.

Support application deployments, production issues, and performance optimization.

Create and maintain technical documentation.

Required Technical Skills

Strong programming experience in Java 8 or later.

Good understanding of OOP concepts, collections, multithreading, exception handling, and Java fundamentals.

Experience with Spring, Spring Boot, Spring MVC, and Spring Data JPA.

Hands-on experience developing REST APIs and microservices.

Knowledge of Hibernate, JPA, and ORM concepts.

Experience with SQL and relational databases.

Familiarity with Git, Maven/Gradle, and CI/CD pipelines.

Experience with JUnit, Mockito, and unit testing.

Understanding of design patterns, SOLID principles, and application architecture.

Knowledge of Agile methodologies and software development life cycle (SDLC).

Preferred Skills

Experience with cloud platforms such as AWS, Azure, or GCP.

Knowledge of Docker and Kubernetes.

Experience with Kafka or other messaging technologies.

Familiarity with Redis or other caching solutions.

Exposure to Jenkins, GitHub Actions, or similar CI/CD tools.

Knowledge of monitoring, logging, and application performance tuning.

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.