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Full Time || Java AWS Full stack Developer || Onsite at Reston, VA, Edison, NJ, Atlanta, GA

Sage IT IncMcLean, VA🇺🇸United StatesPosted 15 Jul 2026

Why This Role Stands Out

As a Java AWS Full Stack Developer at Sage IT Inc, you'll gain valuable experience building and maintaining a critical external-facing application, working with a talented team on both new features and ongoing enhancements. This role is perfect for a mid-senior developer passionate about full-stack development, AWS cloud infrastructure, and quality-driven engineering. Apply today to contribute to impactful projects within the capital markets space!

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Role: Java AWS Full stack Developer

Location: Onsite at Reston, VA, Edison, NJ, Atlanta, GA

Full Time

Overview: We are seeking a hands on Full Stack Engineer to join a team of 7 experienced full stack engineers, supporting both new development and ongoing maintenance of a critical, external facing training application used by lenders and trainers within the capital markets space. This role is heavily development focused and spans frontend UI, backend services, test automation, and AWS cloud infrastructure, with a strong emphasis on quality, scalability, and production stability.
Key Responsibilities:
Development & Engineering

  • Contribute to both new feature development and application maintenance, working collaboratively within a team of 7 full stack engineers
  • Design, develop, and enhance full stack applications using Java, AWS, and Angular
  • Build and maintain external facing web applications with a focus on performance, usability, and reliability
  • Develop front end/UI components for training applications used by lenders and trainers
  • Implement and maintain backend Java services supporting user workflows, data processing, and integrations
  • Participate in GitHub based development workflows, including branching, pull requests, and code reviews
  • Leverage GitHub Copilot / GHCP to improve developer productivity and code quality (strong plus)

Testing, Automation & Quality

  • Act as an engineer of test, responsible for validating user stories end to end
  • Build and maintain automated tests across both UI and backend layers
  • Ensure quality coverage for new development, enhancements, and production fixes
  • Collaborate with product and engineering partners to ensure requirements are fully tested and delivered

Cloud & Infrastructure (AWS)

  • Work hands on in an AWS environment, supporting application development, deployment, and optimization
  • Apply knowledge of AWS services and architecture to support scalable and reliable solutions
  • Contribute to optimization and logistics within AWS based systems
  • Support cloud native development and operational best practices

Production Support

  • Provide production support as needed for a mission critical capital markets application
  • Troubleshoot issues across UI, backend services, and AWS infrastructure
  • Support incident resolution and application stability for an external facing platform

Required Skills & Experience:

  • Proven experience as a Full Stack Java Developer
  • Strong hands-on experience with:
    • Java (backend development) Angular (frontend/UI development)
    • AWS (cloud services and environments)
  • Experience working on external facing applications
  • Solid background in test automation and validating user stories across UI and backend
  • Experience using GitHub for source control and collaboration
  • Ability to work effectively in a team-based development environment
  • Comfortable supporting critical applications in high impact environments (capital markets experience preferred)

Nice to Have:

  • Experience leveraging GitHub Copilot / GHVP

Skills

AWS
Angular
Java

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