Senior Core Java Backend Engineer - Onsite in Columbus

Quantum Technologies. LLC; Columbus (OH); Presencial; USD 110.000 - 150.000; Jornada completa

Descripción de la vacante

Quantum Technologies. LLC in Columbus, OH is seeking an experienced Core Java Developer for an onsite role. The ideal candidate will have strong hands-on expertise in Core Java, multithreading, concurrency, data structures, algorithms, and enterprise backend development.

Previous experience working at JPMorgan Chase (JPMC) is strongly preferred or required depending on client guidelines. The role involves building high-performance backend applications, REST APIs, and microservices using Spring

Formación

• Strong hands-on Core Java development skills (Java 8+).
• Experience with multithreading, concurrency, and JVM tuning.
• Proficient in Spring Framework, Spring Boot, and REST APIs.
• Solid knowledge of data structures, algorithms, and design patterns.
• Experience with SQL and relational databases.
• Familiarity with Git, Maven/Gradle, and unit testing frameworks.
• Experience with Agile methodologies and code reviews.

Responsabilidades

• Develop and maintain high-performance backend applications using Core Java.
• Apply object-oriented programming, collections, multithreading, concurrency, and design patterns.
• Build and maintain REST APIs and microservices using Spring Boot.
• Optimize application performance, troubleshoot issues, and support production systems.
• Work with relational databases and write efficient SQL queries.
• Participate in code reviews, unit testing, debugging, and Agile development activities.
• Collaborate with cross-functional teams to deliver reliable enterprise applications.

Conocimientos

Core Java

Multithreading

Concurrency

Data structures

Algorithms

Spring Boot

REST APIs

SQL

Git

Maven/Gradle

Unit testing

Agile

Herramientas

Git

Maven/Gradle

Docker

Kubernetes

Descripción del empleo

Quantum Technologies. LLC in Columbus, OH is seeking an experienced Core Java Developer for an onsite role. The ideal candidate will have strong hands-on expertise in Core Java, multithreading, concurrency, data structures, algorithms, and enterprise backend development.

Previous experience working at JPMorgan Chase (JPMC) is strongly preferred or required depending on client guidelines. The role involves building high-performance backend applications, REST APIs, and microservices using Spring