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Software Developer - Junior (Team 01) at Amentum

Washington, DC, United StatesFull-timePosted Oct 9, 2026

Description

Seniority: Entry Level

Experience: 1+ years

Amentum is seeking a Top-Secret cleared Software Developer to support mission-focused data analysis and analytical insight initiatives in Washington, DC. The role develops, tests, debugs, and deploys on-premises and cloud-based applications while supporting software integration, security, documentation, training, and customer issue resolution.

Responsibilities

  • Develops codes, tests, and debugs new software or enhancements to existing software. Has good understanding of business applications as well as user, performance, quality, interface, and security requirements. Works with technical staff to understand problems with software and resolve them. Resolves customer complaints about software and responds to suggestions for improvements and enhancements. May assist in development of software user manuals. Responsible for desktop design, testing, security lockdown implementation, integration with standard software packages, integration with automated patching and deployment technologies, documentation, and training to include automating application and configuration deployments and updates
  • Possesses and applies expertise on multiple complex work assignments. Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks. Operates with appreciable latitude in developing methodology and presenting solutions to problems. Contributes to deliverables and performance metrics where applicable
  • 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

Qualifications

  • Minimum of 1 year of experience collectively with the following:
  • Developing, testing, and deploying back-end software in a widely used programming language such as Java, JavaScript, Go, Python, Typescript, and .NET
  • Developing, testing, and deploying Java software using the latest versions of the Java Development Kit
  • Implementing and using backend frameworks such as Java Spring, Nodejs, Go GinAngularJS, React, NextJS, Spring, Nodejs, NestJS, and Gin Spring, Google Web Toolkit, Hibernate, and Struts
  • With software development lifecycle processes to include Agile development
  • Software design patterns and antipatterns
  • With development tools (git, integrated development environment, code quality tools, etc.)
  • Active Top-Secret clearance with SCI eligibility
  • Bachelor's degree in information systems engineering, Computer Science, Engineering, Business or another related field
  • In absence of degree, additional years of experience may be substituted for educational requirements
  • Minimum of 1 year of experience

Preferred Qualifications

  • JavaScript (ES6 and higher)
  • React
  • NextJS
  • Tailwind CSS
  • Material UI
  • RESTful design and principles
  • Code quality and standardization practices
  • NodeJS
  • Express
  • NestJS
  • Npm (node package manager)
  • Go language
  • Java 8
  • SOAP services
  • Maven and Gradle
  • Git source version control
  • Jira project management
  • Static Application Security Testing (SAST, e.g. SonarQube, Gitlab SAST)
  • Unit and integration testing (e.g., jest, mocha, chai)
  • SAFe Agile Principles
  • Jira
  • Confluence

Skills

  • JavaScript (ES6 and higher)
  • React
  • NextJS
  • Tailwind CSS
  • Material UI
  • RESTful design and principles
  • Code quality and standardization practices
  • NodeJS
  • Express
  • NestJS
  • Npm (node package manager)
  • Go language
  • Java 8
  • SOAP services
  • Maven and Gradle
  • Git source version control
  • Jira project management
  • Static Application Security Testing (SAST, e.g. SonarQube, Gitlab SAST)
  • Unit and integration testing (e.g., jest, mocha, chai)
  • SAFe Agile Principles
  • Jira
  • Confluence

Tech stack

Java, JavaScript, Go, Python, TypeScript, .NET, Java Spring, Node.js, Agile software development, Software design patterns, Git

Benefits

  • 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