Demo

Java Developer(mid-level)

NetOrbit
Wilmington, DE Full Time
POSTED ON 10/24/2026
AVAILABLE BEFORE 11/23/2026
Sr. Java Developer
Wilmington, DE/NYC/Atlanta, GA
Strong Java programming skills
5-9 years practical software development experience
Robust object-oriented design pattern knowledge and implementation experience using Java; Java Backend Developer
Java Developer - Preferable with Java 1.8 (java 8 features) experience
Advanced knowledge and experience developing and working with relational databases such as Sybase/MySQL
Experience with multi-tier application architecture and high performance distributed and in-memory caching solutions
Strong understanding of data modeling techniques
Working knowledge of building and deploying distributed systems is good to have
Experience with cloud technologies (e.g., Kubernetes, Docker, OpenStack) a plus

Must Have

Core/OOPS
OOPs Concepts & Patterns
Java Keywords - Static, Final, volatile, synchronized, transient, this super etc.
Constructors
Abstract Classes and Interfaces
Dependency Injection
Exceptions - Checked, Unchecked
Generics
Collections - List, Map, Set
Data Structures & Collections
Spring Framework:
Spring Core(must)
Spring Data

Database / ORM
Cursors (Good)
SQL Queries - Inner Outer Joins, Group By, Having (Must)
Stored Procedures (Good have)
Triggers (Good)
Hibernate

Salary : $60

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