Core Java Backend Engineer - Onsite in Columbus

Robotics Technologies LLC; Columbus (OH); On-site; USD 110,000 - 150,000; Full time

Job summary

Robotics Technologies LLC in Columbus, OH seeks an experienced Core Java Developer for an onsite role to build and maintain high-performance backend systems. The ideal candidate will have deep Core Java expertise, multithreading, data structures, and concurrency, with strong experience in Spring Boot and REST APIs.

JPMorgan Chase experience is strongly preferred or required per client guidelines. Responsibilities include developing backend services, optimizing performance, writing SQL, and

Qualifications

• Strong hands-on experience with Core Java (Java 8+).
• Excellent knowledge of OOP, collections, concurrency, and JVM performance.
• Experience with Spring Boot/REST APIs and microservices.

Responsibilities

• 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.

Skills

Core Java

Multithreading

Concurrency

Data structures

Algorithms

Spring Framework

REST APIs

SQL

Git

Maven/Gradle

Unit testing

Tools

Jenkins

Job description

Robotics Technologies LLC in Columbus, OH seeks an experienced Core Java Developer for an onsite role to build and maintain high-performance backend systems. The ideal candidate will have deep Core Java expertise, multithreading, data structures, and concurrency, with strong experience in Spring Boot and REST APIs.

JPMorgan Chase experience is strongly preferred or required per client guidelines. Responsibilities include developing backend services, optimizing performance, writing SQL, and