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Senior Java Full Stack Engineer with AWS (Backend Focus)

Interon IT Solutions

Senior Full Stack Engineer Java / AWS (Backend Focus)

Location: Rockville, MD or McLean, VA - Hybrid

Duration: 6+ months, with potential extension

Pay Rate: $50/hr-$55/hour on W2

Experience: 7 8+ years of software development experience

Interview Process: Technical assessment and onsite interview

Eligibility : Candidates must be local to DC, Virginia, or Maryland and available for the assessment and onsite interview.

Role Overview:

Client is seeking a hands-on Senior Full Stack Engineer to build a new application from the ground up within a fully serverless AWS architecture. The role primarily focuses on backend development, API and system integrations, and scalable processing of high transaction volumes and large datasets. Front-end expertise is not a priority.

Key Responsibilities:

  • Develop backend services using Java and Spring Boot.
  • Build and integrate serverless components on AWS, including Lambda functions using Python and/or TypeScript.
  • Develop REST APIs and integrate applications and services across the broader enterprise ecosystem.
  • Design and optimize SQL queries and database interactions for large-scale data processing.
  • Implement asynchronous messaging and event-driven workflows.
  • Build scalable, reliable services that support high transaction volumes.
  • Collaborate with technical leads and architects on application design and implementation.
  • Troubleshoot performance issues and improve backend reliability and throughput.

Required Qualifications:

  • 7 8+ years of software development experience with strong hands-on backend expertise.
  • Strong proficiency in Java and Spring Boot.
  • Hands-on experience with AWS infrastructure and serverless architecture.
  • Experience with AWS Lambda and working knowledge of Python and/or TypeScript.
  • Strong SQL and database development skills.
  • Experience developing REST APIs and integrating enterprise applications and services.
  • Experience with messaging systems and asynchronous, event-driven communication.
  • Experience building scalable systems that handle high transaction volumes or large datasets.

Strong Java developers who can quickly ramp up on Python and/or TypeScript will be considered. Deep expertise in these languages is not required.

Vacancy posted 1 day ago
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