Senior Java Developer


USD 60,000.00 per year
Full Time


Google Web Toolkit
IT service management
People skills
Software development
Government contracts
Open source
User experience
Employment authorization
Computer science
Application development
Concurrent programming
Data structure
Version control
Web services
Apache Maven
Software engineering
Problem solving
Systems engineering
Web applications
Process control
Market analysis
Human resources
Project management
Security clearance
Cloud computing
Cyber security
Embedded systems
Graphical user interface

Job Details

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to 27 Federal Agencies and multiple commercial customers across 41 states nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cybersecurity, data delivery & analytics, and IT talent solutions.

M9 Solutions is seeking a Senior Java Developer to work remotely on a government contract for a client located in Arlington, VA.Candidates must have the ability to obtain a Public Trust level clearance.

  • Focus on the discovery and advancement of open-source solutions in the laboratory domain.
  • Responsible for testing and editing code to support a seamless user experience using Java under the direction of a Java Champion and JavaFX expert.
  • Coordinate with back-end data and service layer leads and oversee execution of the team through scaled delivery.
  • Responsible for editing existing code and designs as directed by the JavaFX lead while working closely with a diverse software development team and directing the activities of junior development staff.
  • Ensure accessibility for all users by developing a front-end that functions across browsers, platforms, and devices while meeting accessibility and security requirements.
  • Guide and oversee development activities of the core development team.
  • Delegate tasks and assignments across the team and lead the alignment of Java development products with other software development workstreams.

Required Skills and Qualifications
  • Work Authorization: ship, or Permanent Resident Status is required.
  • Ability to pass a background investigation for a Public Trust level clearance.
  • Bachelor's degree in computer science, a related technical field, or equivalent experience in lieu of degree.
  • 9+ years of experience in user interface (UI) development on Java and UI development for desktop applications.
  • Proficient in Java (familiar with JavaFX) and the associated toolchain for development of enterprise applications.
  • 2+ years of experience with Java Swing application development.
  • 2+ years of experience with Google Web Toolkit and Java server faces, similar applications will be considered.
  • Experience with concurrent programming, including the ability to program responsive UI with background computation threads supporting a single foreground presentation thread.
  • Knowledge of data structure and algorithm expertise including strong graph data structures skills and experience applying algorithms that optimize code for space and time efficiency.
  • Strong understanding of modern software development and management practices such as version control, issue trackers, automated documentation, etc.
  • Experience with web services, implementing binary serialization, embedded keystore database, and developing custom Java GUI controls.
  • Experience with using JavaFX Scene Builder and managing software projects with Apache Maven.
  • Strong understanding of the software engineering life cycle.
  • Strong problem-solving and written and oral communication skills.

Preferred Skills and Qualifications
  • 4+ years Java application development experience.
  • Experience with JavaFX GUI and IT systems development.
  • Ability to drive ideas and execution strategies from ambiguous origins.
  • Deep interest in delivering quality user experience to drive early adoption.
  • Knowledge of user interface best practices.
  • Ability to diagnose and troubleshoot performance issues and optimize web applications.
  • Familiar with statistical process controls, high reliability organization principles, and learning health systems.
  • Experience working in a small team environment.
  • Experience with data transformation, container (containerizing Tinkar core), protocol buffers, gRPC, RMI, WebSocket, and REST.
  • Experience with Java Platform Module System, algorithms, optimization, 2 phase commit transaction implementation, specific testing frameworks, SonarQube metric development, and Maven plugin.

Full-Time Employee Compensation
  • M9 Solutions' pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include, but are not limited to, responsibilities of the position, education, experience, knowledge, skills, abilities, as well as internal equity, location, alignment with market data, applicable bargaining agreement (if any), or other law.
  • M9 Benefits -

Salary Range

$60,000 - $180,000 USD

M9 Solutions LLC is an Equal Opportunity Employer - AA/EOE/W/M/Vet/Disabled.

M9 Solutions, LLC (M9) is a Federal contractor and an Equal Opportunity Employer. M9 is subject to Executive Order 11246, which requires government contractors to take affirmative action to ensure that equal opportunity is provided in all aspects of their employment. Please click here to complete M9's Voluntary Self-Identification Form and then email it to . Submission of this information is voluntary and refusal to provide it will not subject you to any adverse treatment. If you are an individual with disabilities who needs accommodation or you are having difficulty using our website to apply for employment, please contact M9's Human Resources Department at or at .

With 14+ years of proven delivery and steady growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 was recognized as an Inc. 5000 Fastest-Growing Private Companies in 2021, 2020, 2019, 2018, 2017, 2016, and 2012. M9 Solutions believes that work should be fun, rewarding, and something everyone can be excited about. We offer a competitive compensation package and value diversity in driving the vision of the company.

F 7.2-27 REV - 6 01/24/2023