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Java Backend Developer
Java Backend DeveloperDS Technologies Inc • Phoenix, AZ, US
Java Backend Developer

Java Backend Developer

DS Technologies Inc • Phoenix, AZ, US
30+ days ago
Job type
  • Full-time
Job description
About US: We are a company that provides innovative, transformative IT services and solutions. We are passionate about helping our clients achieve their goals and exceed their expectations. We strive to provide the best possible experience for our clients and employees. We are committed to continuous improvement and innovation, and we are always looking for ways to improve our services and solutions. We believe in working collaboratively with our clients and employees to achieve success.

DS Technologies Inc is looking for Java Backend Developer role for one of our premier clients.


Job Title: Java Backend Developer(Need Ex-AMEX)
Location: Phoenix, AZ (Onsite)
Position Type: Contract
Only W2
Position Type: Application Developer – Java


Job Description


We are seeking a highly skilled Java Backend Developer with strong hands-on experience in enterprise-level backend development. The ideal candidate will have deep expertise in Java, REST APIs, multithreading, and Spring frameworks, along with experience building scalable, cloud-ready applications.



Key Responsibilities


  • Experience Required: 6+ Years
  • Design, develop, and maintain high-performance backend services using Java.
  • Build and optimize RESTful APIs and backend components.
  • Work with multi-threaded and high-concurrency systems.
  • Apply design patterns and best coding practices in everyday development.
  • Develop microservices using Spring / Spring Boot.
  • Collaborate with DevOps, Cloud, and Architecture teams for deployments and scaling.
  • Troubleshoot production issues and optimize system performance.
  • Participate in code reviews, architecture discussions, and technical solutioning.
Required Skills


  • 6+ years of backend development experience using Java.
  • Strong hands-on experience with:
    • REST APIs
    • Reactive programming (RX)
    • Multithreading
    • Design Patterns
    • Spring / Spring Boot
  • Solid understanding of scalability, distributed systems, microservices, and high-availability systems.
  • Experience working with Cloud platforms (AWS, GCP, Azure) and DevOps tools.
  • Strong debugging, problem-solving, and performance optimization skills.
Preferred Skills


  • American Express (AMEX) project experience (highly preferred).
  • Experience in IBM environments or financial services.
  • Knowledge of CI/CD, containerization (Docker/Kubernetes), and API gateways.

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Java Backend Developer • Phoenix, AZ, US

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