Advanced Java developer || W2 || Locals only

Core Java Developer

Alpharetta, GA – Hybrid (In-person interview Must)

Contract – W2

Job Description

We are looking for a Java Developer with strong hands-on expertise in Core Java, multithreading, collections, data structures, and SQL. The ideal candidate should have a strong understanding of Java fundamentals and be capable of developing efficient, scalable, and high-performance applications.

Key Responsibilities

• Design, develop, and maintain applications using Core Java.
• Work extensively with Java Collections Framework, including List, Set, Map, HashMap, Concurrent, HashMap, and related data structures.
• Develop multithreaded and concurrent applications using Threads, Executors, synchronization, locks, and concurrency utilities.
• Apply strong knowledge of data structures and algorithms to build efficient solutions.
• Write clean, reusable, maintainable, and performance-optimized Java code.
• Design and optimize SQL queries, joins, stored procedures, and database operations.
• Troubleshoot application issues, identify performance bottlenecks, and implement effective solutions.
• Participate in code reviews, debugging, testing, and production support activities.
• Collaborate with cross-functional teams to understand requirements and deliver reliable solutions.

Required Skills

• Strong hands-on experience with Core Java.
• Excellent knowledge of Multithreading and Concurrency.
• Strong understanding of Java Collections, especially HashMap, HashSet, ArrayList, LinkedList, ConcurrentHashMap, etc.
• Strong knowledge of Data Structures and Algorithms.
• Excellent understanding of OOP concepts, Exception Handling, and Java Memory Management.
• Strong SQL skills, including complex queries, joins, subqueries, indexing, and query optimization.
• Strong problem-solving and analytical skills.
• Experience developing production-quality, scalable Java applications.

Preferred Skills

• Experience with Spring/Spring Boot and REST APIs.
• Knowledge of microservices architecture.
• Experience with relational databases such as Oracle, PostgreSQL, or MySQL.
• Familiarity with Git, CI/CD, and Agile development practices.