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StaffXpert LLC Logo
Principal Software Engineer

StaffXpert LLC

 

Woodlawn, MD, USA

Posted On: 5 days ago
Experience: 10+ years
Availability: Onsite
Openings: 1
Category: Principal Software Engineer
Tenure: Contract - Corp-to-Corp
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Description

Lead the design and development of scalable, secure enterprise applications, owning the full lifecycle from architecture to deployment.

This role is on-site.

Responsibilities

  • Design and develop scalable applications following Twelve-Factor App methodology.
  • Build microservices and RESTful APIs using Java and Spring Boot.
  • Create responsive user interfaces with Angular, React, JavaScript, and TypeScript.
  • Implement event-driven architectures using Kafka and batch processing with Spring Batch.
  • Secure web services using OAuth2, JWT, and WS-Security while ensuring Section 508 compliance.

Required Skills

  • 10+ years of experience in Java and JEE technologies.
  • Strong expertise in Spring Boot, Microservices, and REST APIs.
  • Hands-on experience with Angular or React and modern JavaScript (ES6+).
  • Experience with Apache Kafka and event-driven systems.
  • Solid understanding of SOAP/REST, JSON, XML, Hibernate, and relational databases.
  • Experience with application servers, containerization (Docker), and cloud platforms.
  • Strong knowledge of DevOps practices and CI/CD pipelines (Jenkins, Git, Maven, SonarQube).
  • Proven experience in a Technical Lead or senior engineering role.

Preferred Skills

  • Expertise in Kafka-based event-driven architecture.
  • Exposure to AI/ML concepts or government/public sector projects.

Education

Bachelor's degree

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