Full Stack Developer

Responsibilities

• Work with a high-performing software development team in an agile, Dev Ops environment
• Analyze capabilities of existing products to develop enhancements primarily using Java
• Perform development and integration of multiple user interfaces and/or numerous services for software that performs data processing at scale
• Conduct development, testing, validation, deployment, maintenance, and Tier 3 support for operational software
• Design and implement software solutions that can be integrated with core services and across new baselines
• Apply accepted agile software development practices to test and document the code base

• Ability to work collaboratively in a high-performing, fast-paced, CI/CD environment
• Experience developing back-end services in Java
• Experience writing web user interfaces using modern Java, JavaScript, and/or HTML
• Experience with Active MQ, Rest, No
  
  SQL and/or elastic databases
• Experience validating capabilities against requirements, writing and executing test cases, and capturing test results
• Experience working with the Atlassian tool suite to track and maintain requirements (i.e., JIRA & Confluence)
• Experience developing in Linux

• Active TS/SCI with Polygraph

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

• 7 years’ experience as a SWE, in programs and contracts of similar scope, type, and complexity is required

• Experience working with dynamic and/or interactive map software

Amentum’s health and welfare benefits are designed to invest in you and in the things you care about. Your health. Your well-being. Your security. Your future. Eligible employees and their dependents may elect medical, dental, vision, and basic life insurance. Employees are able to enroll in our company’s 401k plan, and, if eligible, a deferred compensation plan and Executive Deferral Plan.

Employees will also receive 17 days of vacation per year, seven paid holidays, plus floating holidays and caregiver leave. Hired applicants will be able to purchase company stock and have the opportunity to receive a performance discretionary bonus.

The base salary range for this position is $177-$205K. This range reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

$160,000 - $205,000

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.

• 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.

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.

02/02/2026 - 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.