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Junior Software Developer

Job in O'Fallon, St. Clair County, Illinois, 62269, USA
Listing for: ECS
Full Time position
Listed on 2026-05-26
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Junior Software Developer, Applications

Job Description

Everforth ECS Federal is looking for a Junior software developer that develops, creates, and modifies general computer applications software or specialized utility programs. Analyze user needs and develop software solutions. Design software or customize software for client use with the aim of optimizing operational efficiency. May analyze and design databases within an application area, working individually or coordinating database development as part of a team.

May collaborate directly with customers on requirements gathering and software issues. Assists with software manual creation and maintenance. Work is performed under supervision.

Required Skills
  • CompTIA Security+ Certification (or ability to obtain within 6 months)
  • 0-3 years of development experience
  • Bachelor’s degree or work experience substitute
  • Basic Knowledge of Java, HTML5 technologies, Spring, RHEL, SQL, JavaScript, XML, Agile methodologies, Web Logic, Gradle/Maven/Ant, Python.
  • Experience with or ability to learn ticketing system (Service Now)
  • Ability to follow documented processes, SOPs and escalation procedures
  • Basic troubleshooting skills and logical problem-solving ability
  • Knowledge of DoD transportation data and business practices
  • Ability to Design, Code and Test requirements using Linux and Windows operating systems
  • Knowledge of Server technologies like Web Logic, Tomcat and Apache and Container technologies like Docker, Kubernetes
  • Familiar with Version control systems like Git, Build and deployment orchestration tools like Jenkins and Build and package managers like Gradle and Artifactory
  • Experience scripting languages such as Python, BASH, Perl, Powershell
  • Knowledge of Configuration Management tools like Ansible, Puppet, Chef, Terraform
  • Experience writing Java, JavaScript, and SQL or PL/SQL
  • Experience developing Infrastructure as Code (IaC) and Configuration as Code (CaC)
  • Strong understanding of test-driven development and test automation to ensure adequate test coverage (unit, integration, system, load, functional and exploratory)
  • Able to work with the development manager and lead architect on architecture changes and understanding process and application design including grooming requirements in the architecture that were not provided in detail or not fully defined
  • Ability to manage workloads and the creation of program specifications from which the developers work and add them to the work tracker adding flowcharts, class diagrams, Entity Relationship Diagrams (ERDs), and a variety of other visual techniques (mockups) to clearly convey the meaning to the developer.
  • Able to work with development manager to manage backlogs, estimates and other SDLC requirements for development, provide estimates on requirements for iteration/build planning, and Integrate and deploy software in a complex architecture
  • Capable to review code, perform code reviews and code check-ins to ensure the integrity of commits, builds, etc.
  • Ability to learn, understand and refine the capabilities of other developers on the team including ability to mentor and coach intermediate and junior developers with constructive code reviews and code theory discussions
Desired Skills
  • Ability to obtain a Secret Security Clearance
  • Knowledge of DoD transportation data and business practices
  • Familiar with Agile development methodology with an understanding of Kanban, SCRUM and SAFe principle, and Dev Ops/Dev Sec Ops  processes and methods.
  • Support troubleshooting and diagnostics in both the development and production environments
  • Good oral and written communications skills to report progress, challenges, blockers, and risks that require escalation to the development manager.
  • Hands on experience in a help desk or technical support environment
  • Strong documentation skills
  • Ability to prioritize multiple tickets in a fast-paced environment
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