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Principal Java Developer

AS3K IT Services

 

Needham, MA, USA

Posted On: 2 days ago
Experience: 12+ years
Availability: Hybrid
Openings: 1
Category: Java Developer
Tenure: No Preference/Any
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Description

Lead technical design and delivery of mission-critical Java applications, owning workstreams from architecture to performance optimization.

This role is hybrid.

Responsibilities

  • Lead development of mission-critical applications using Core Java.
  • Own technical design and end-to-end delivery of assigned solutions.
  • Perform server-side tuning and performance optimization on existing systems.
  • Drive technical decisions and take full ownership of assigned workstreams.

Required Skills

  • 12+ years total development experience, with 8+ years focused on Java.
  • Expert proficiency in Core Java: Multithreading, Concurrency, Memory Management, Exception Handling.
  • Demonstrated experience with the Spring framework.
  • Experience with performance tuning of mission-critical applications.
  • Familiarity with AWS services (ECS, EC2, CloudFormation).
  • Strong ability to work independently and drive solutions.

Preferred Skills

  • Experience with Kernel level programming.
  • Familiarity with Kafka, Node.js, or React.
  • Domain experience in Financial Services.

Education

Any Graduate

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