Senior Core Java Developer - Remote

Centillion Infotech LLC; California; Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Flexible remote options

Job summary

Centillion Infotech LLC is seeking a senior Core Java Developer in California to design, develop, test, and maintain high-performance Java applications. The role requires strong OO programming, multithreading, and experience with RESTful APIs, databases, and modern Java tooling.

You will collaborate with architects, QA, DevOps, and product teams, participate in Agile ceremonies, and contribute to CI/CD pipelines and production support.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field.
• 10+ years of experience in Java software development.
• Strong knowledge of Core Java, including object-oriented programming, collections framework, exception handling, generics, multithreading, Java I/O/NIO, streams and lambdas.
• Experience developing RESTful APIs and backend services.
• Familiarity with relational databases and SQL, JDBC, and ORM concepts.
• Experience with Maven or Gradle and Git.
• Knowledge of unit testing (JUnit/Mockito) and Agile/Scrum.

Responsibilities

• Design, develop, and maintain Java applications using Core Java.
• Write clean, efficient, reusable, and maintainable code.
• Develop multithreaded, concurrent, and high-performance applications.
• Build and consume RESTful web services and APIs.
• Work with relational databases and write efficient SQL queries.
• Participate in code reviews and CI/CD pipelines.
• Collaborate with cross-functional teams and contribute to technical designs.

Skills

Core Java

Object oriented programming

Multithreading

RESTful APIs

JVM memory management

SQL databases

JUnit/Testing

Git

Agile/Scrum

Education

Bachelor’s degree in CS/Engineering/IT

Tools

Maven/Gradle

JUnit

Git

Docker

Kubernetes

JDBC

ORM concepts

Job description

Centillion Infotech LLC is seeking a senior Core Java Developer in California to design, develop, test, and maintain high-performance Java applications. The role requires strong OO programming, multithreading, and experience with RESTful APIs, databases, and modern Java tooling.

You will collaborate with architects, QA, DevOps, and product teams, participate in Agile ceremonies, and contribute to CI/CD pipelines and production support.