Full Stack Developer

Amentum; Annapolis (MD); On-site; USD 250,000 - 280,000; Full time

Benefits offered by this job

Health, dental, vision insurance

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a senior SWE to develop Java-based enhancements and integrations for complex capabilities in a team-based, agile environment. The role requires deep enterprise Java experience, SOA/microservices background, and strong database and Python skills, with ability to work both independently and in a collaborative setting.

Applicants should hold a CS-related bachelor’s degree and a TS/SCI with poly clearance.

Qualifications

• Experience with Enterprise Java development.
• Experience developing service-oriented architectures.
• Experience developing micro service solutions.
• Database experience such as Mongo or MySQL.
• Experience with Python development.

Responsibilities

• Perform software development predominantly using Java to create and implement enhancements to existing capabilities.
• Collaborate with team of software and systems engineers in an agile environment to analyze requirements and derive user stories and issues for development planning.
• Perform integration and testing as needed.
• Test and debug software code for integrated applications.
• Provide tier 2 and 3 support for deployed capabilities and address bug fixes.
• Be able to work individually and as part of a team.

Skills

Enterprise Java

SOA design

Microservices

MongoDB

MySQL

Python

Java IDEs

Agile

Jira/Confluence

GitLab

Docker

Kubernetes

Geolocation

ISLANDTRANSPORT

Messaging infra

NumPy

Pandas

Data structures

Education

Bachelor’s degree in CS or related

Tools

Docker

Kubernetes

GitLab

Jira

Confluence

IntelliJ/VS Code

MongoDB

MySQL

Job description

Work Schedule:

Monday-Friday, 0800-1600

Essential Responsibilities:

• Perform software development predominantly using Java to create and implement enhancements to existing capabilities
• Collaborate with team of software and systems engineers in an agile environment to analyze requirements and derive user stories and issues for development planning
• Perform integration and testingas needed
• Test and debug software code for integrated applications
• Provide tier 2 and 3 support fordeployed capabilities and address bug fixes
• Be able to work individually and as part of a team

Minimum Requirements (Knowledge, Skills, and Abilities):

• Experience with Enterprise Java development
• Experience developing service-oriented architectures
• Experience developing micro service solutions
• Database experience such as Mongo or MySQL
• Experience with Python development

Clearance Required:

TS/SCI w/ Poly

Minimum Education:

Bachelor’s degree in computer science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree.

Minimum Years of Experience:

Twenty (20) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity is required.

Desired Skills:

• Experience with Java development IDEs (e.g. IntelliJ, Eclipse, VS Code)
• Experience with agile development practices
• Experience with Atlassian tools (Jira, Confluence)
• Experience with Gitlab
• Experience with container technologies (e.g. Docker, Kubernetes)
• Experience with geolocation applications and/or JICD
• Experience/knowledge of ISLANDTRANSPORT, messaging infrastructure
• Exposure to/basic familiarity with Python libraries for scientific programming (examples: NumPy, pandas) desired
• Ability to read and write into/out of the data structures adjacent to complex mathematics

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

#javelin

Compensation Details:

$250,000 - $280,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

09/02/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.