Java Developer - CrackaJack Digital Solutions LLC

Job Title: Java Backend Engineer

Experience: 8+ Years

Employment Type: Contract

Location: NY

Job Description

We are seeking an experienced Java Backend Engineer with strong expertise in building scalable, high-performance backend systems. The ideal candidate will work on designing, developing, and maintaining backend services and APIs using modern Java technologies in an enterprise environment.

Roles & Responsibilities

• Design, develop, and maintain backend applications using Java

• Build and maintain RESTful APIs and backend services

• Develop microservices-based architectures

• Write clean, efficient, reusable, and well-tested code

• Optimize application performance, scalability, and reliability

• Collaborate with architects, frontend developers, QA, and DevOps teams

• Participate in code reviews and follow best coding practices

• Troubleshoot production issues and provide root cause analysis

• Work in Agile/Scrum development environment

Required Skills

• 8+ years of hands-on experience in Java backend development

• Strong experience with Spring / Spring Boot

• Experience with Microservices architecture

• Strong knowledge of REST APIs and backend integration

• Solid understanding of SQL / NoSQL databases

• Experience with ORM frameworks (Hibernate/JPA)

• Knowledge of design patterns and backend best practices

• Experience with Git and CI/CD pipelines

Nice to Have

• Experience with AWS / Azure / GCP

• Knowledge of Docker & Kubernetes

• Messaging systems like Kafka / RabbitMQ

• Exposure to security concepts (OAuth, JWT)