Demo

Senior JAVA Developer -Onsite -In Person interview

MSYS Inc.
Washington, DC Contractor
POSTED ON 7/23/2026
AVAILABLE BEFORE 8/23/2026
Title:Senior JAVA Developer -Onsite -In Person  interview
Location:Washington,DC
Length:Long term
Restriction:w2 or c2c or 1099
 
 
 
 
Description: 

**** W2 or 1099 or c2c ***In Person  interview *****Long term project; usually the project goes for multiple years with this customer.***Onsite*** 

Job Description

The role will require you to design, develop and test using JAVA technologies which will facilitate application development and implementation from development to QA to production. You will work to gain an understanding of the current system infrastructure, security needs, network considerations, and methodologies. In this role, you will primarily focus on JAVA programming and supporting the ecosystem for the organization.

Responsibilities

The Senior JAVA Developer position requires in-depth knowledge of JAVA and J2EE background using Spring Technologies framework, design, and architectural styles /API''s (REST/RPC) and Agile methodologies for the development of application programs. The Senior Developer will be writing clean, scalable code using JAVA programming languages, refactor and debug code, improve existing software, test, and deploy applications and systems. The resource will be required to develop documentation throughout the lifecycle of the development process and provide technical support to the team.

  • Ensure that the technologies are updated with current, stable, and compliant architecture and applications that meet enterprise standards.
  • Collaborate with internal teams to produce software design and architecture.
  • Develop, Test and Deploy applications and systems.
  • Revise, update, refactor and debug code.
  • Improve existing JAVA applications and systems.
  • Proactively monitors and reports performance utilization of assigned technologies.
  • Troubleshoot software and/or hardware issues/failures.
  • Manage problems or escalated tickets and tasks and out-of-cycle requests from systems/software owners.
  • Determine the best course of action for meeting business needs and provide consultative expertise to customers on how to best use systems.
  • Proactively monitors and identifies broader, more complex issues across multiple, integrated, connecting technologies and communicate as appropriate.
  • Provides technical knowledge and support to District agencies, personnel, and additional stakeholders.
  • Performs other related duties as assigned.
  • May coordinate activities of application developers.
  • Able to identify best practices and standards for the use of the product.
  • Delivers support and design for industry specific applications that require integration with statewide systems or applications.
  • Interacts with executive level business users or technical experts.
  • May function as a niche technical SME (Subject Matter Expert).

Minimum Education/Certification Requirements

Bachelor''s degree in Information Technology or related field or equivalent experience.

Responsibilities:

  • Demonstrates expertise in conveying technical and functional concepts for a specific technical specialty.
  • Identifies improvements to project standards to achieve high quality services/products.
  • This is a professional position which may require subject matter expertise consistent with demanding and rare technological skills.
  • May require coordination of programming activities being conducted by the application development team.
  • Confers with other business and technical personnel to resolve problems of intent, inaccuracy, or feasibility of computer processing and project design.
  • Works with necessary personnel to determine if modifications are necessary with interested personnel to determine necessity for modifications or enhancements.
  • Leverages excellent written and verbal communication skills to develop new business process and programming solutions as directed by business and technical stakeholders.
  • May coordinate activities of application developers.
  • Able to identify best practices and standards for the use of the product.
  • Proven track record of hands-on technical design and code work within large complex systems.
  • Proven hands-on technical work with a variety of technologies.
  • Demonstrated technical expertise integrating a variety of diverse technical environments and cross-platform technologies.
  • Delivers support and design for industry specific applications that require integration with statewide systems or applications.
  • Interacts with executive level business users or technical experts.
  • Advanced experience in the required technical subject matter.
  • May function as a niche technical SME (Subject Matter Expert).
  • Has proven experience across large and complex implementations and systems.

Skills:

  • Experience with core JAVA development with strong back-end development Required 10 Years
  • JAVA – Annotations, Generics, Reflection, Inheritance, OO Design, NIO, Bean Validation Required 5 Years
  • Spring Boot Application Development Experience Required 3 Years
  • Spring – Java Config, Dependency Injection, Autowiring Concepts Required 3 Years
  • Spring Integration Development Experience Required 3 Years
  • Spring Web Services Development Experience Required 3 Years
  • 16 yrs. preparing complex technical documentation Required 3 Years
  • Synchronous and Asynchronous programming experience – Callbacks, Future, Timeout and Error Handling Required 3 Years
  • Experience with MAVEN Project Build experience Required 3 Years
  • Experience with GIT version control repository Required 3 Years
  • Experience with Tomcat/Jetty/undertow Application Servers Required 3 Years
  • Experience with LINUX working environment Required 3 Years
  • Experience with JIRA Issue tracker Required
  • 16 yrs. conveying technical and functional concepts for a specific technical specialty Required 16 Years
  • Bachelor’s degree in IT or related field or equivalent experience Required
  • RedHat Openshift Container-based application development and deployment experience Desired 1 Years
  • Working with mainframe CICS containers and channels using JCA connectors Desired 1 Years
  • Knowledge of Continuous Integration and Continuous Development practice Desired 1 Years
  • Must have enough experience to qualify for a Master Level position. Required

 

 

Hourly Wage Estimation for Senior JAVA Developer -Onsite -In Person interview in Washington, DC
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