Full Stack Java Developer

Posted Yesterday
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Baltimore, MD, USA
In-Office
236K-264K Annually
Expert/Leader
Security • Cybersecurity
The Role
Develop and maintain Java-based geolocation capabilities, service-oriented architectures, microservices, and web interfaces supporting mission-critical operations. Responsibilities include requirements analysis, user story development, coding, integration, testing, debugging, code reviews, CI/CD deployment, Tier 3 support, and root-cause analysis. The role collaborates in an agile environment and requires expertise in Java, Spring Boot, messaging systems, databases, Python, DevOps, and secure software development.
Summary Generated by Built In

Purpose and Impact: (a write up about the program that will attract candidates)

Our Full-Stack Developers work in a dynamic, mission-driven environment to develop geolocation capabilities, adapting to changing priorities that directly support the warfighter. In this role, you will create service-oriented architectures in Java and microservice solutions, and build web interfaces. You will participate in the full lifecycle of your code, from translating requirements into user stories, through integration and testing, to deployment and Tier 3 support.  

Work Schedule: (shift hours and days of the week)

5 Days/ 8 hours per day

Essential Responsibilities: (describe the day-to-day)

  • Perform software development predominantly using Java to create and implement enhancements to existing capabilities
  • Collaborate with software and systems engineers in an agile environment to analyze requirements and derive user stories for development planning
  • Perform integration and testing as needed
  • Test and debug code for integrated applications
  • Leverage SI to debug code, conduct code reviews, and improve code quality and efficiency
  • Provide Tier 3 support for deployed capabilities and address bug fixes
  • Communicate and collaborate effectively with other team members, as well as with stakeholders

Work Environment, Physical Demands, and Mental Demands:

 

Minimum Requirements (Knowledge, Skills, and Abilities):

  • Experience with Enterprise Java development (versions 17 or higher)
  • Experience with Java application frameworks, such as Spring Boot
  • Experience with messaging frameworks such as JMS, RabbitMQ, ActiveMQ, ZeroMQ, and supporting data formats such as JSON, XML, and Google Protocol Buffers
  • Experience developing service-oriented architectures
  • Experience developing micro service solutions
  • Database experience such as Mongo or MySQL
  • Experience analyzing requirement, creating use cases, and test cases and tracking work using the Atlassian tool suite (Jira/Confluence)
  • DevOps experience including managing CI/CD pipelines to automate building, testing, and deploying code utilizing GitLab runners
  • Experience implementing 508 Compliance requirements to user interfaces
  • Familiarity with or willingness to perform agentic coding
  • Ability to leverage SI to debug code, conduct code reviews, improve code quality and efficiency, and determine root-cause analysis
  • Experience with Python development
  • Ability to work individually or as part of a team and shift between priority tasks as directed

 

Security Clearance Required:

TS//SCI w FSP - Maryland

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.

Required Certifications: (if needed)

Preferred Qualifications: AI if applicable to your program

  • Experience with Java development IDEs (e.g. IntelliJ, Eclipse, VS Code)
  • Experience/knowledge with installations and configuration utilizing Kubernetes, Docker Compose and Nifi
  • Experience with Elasticsearch
  • 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

Additional Hashtags:

#javelin

       

Compensation Details:

$236,000 - $264,000

       

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:

10/30/2026 - 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.

Skills Required

  • Twenty years of software engineering experience on programs and contracts of similar scope, type, and complexity
  • Bachelor's degree in Computer Science or a related discipline from an accredited college or university, or four additional years of comparable software engineering experience
  • TS/SCI clearance with Full Scope Polygraph
  • Enterprise Java development experience with Java version 17 or higher
  • Experience with Java application frameworks such as Spring Boot
  • Experience with messaging frameworks such as JMS, RabbitMQ, ActiveMQ, or ZeroMQ
  • Experience with JSON, XML, and Google Protocol Buffers
  • Experience developing service-oriented architectures and microservice solutions
  • Database experience with MongoDB or MySQL
  • Experience analyzing requirements, creating use cases and test cases, and tracking work with Jira and Confluence
  • DevOps experience managing CI/CD pipelines with GitLab Runners
  • Experience implementing Section 508 compliance requirements in user interfaces
  • Experience with Python development
  • Ability to perform agentic coding or willingness to learn
  • Ability to use SI for debugging, code reviews, code quality improvements, efficiency improvements, and root-cause analysis
  • Ability to work independently or collaboratively and shift between priorities
  • Experience with Java development IDEs such as IntelliJ, Eclipse, or VS Code
  • Experience with Kubernetes, Docker Compose, and NiFi installations and configuration
  • Experience with Elasticsearch
  • Experience with geolocation applications or JICD
  • Knowledge of ISLANDTRANSPORT and messaging infrastructure
  • Basic familiarity with Python scientific programming libraries such as NumPy and pandas
  • Ability to read and write data structures adjacent to complex mathematics

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength — Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth — Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

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The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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