Applications Developer III
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Before you apply
LocationDulles, VA
Work modeon-site
Typefull-time
SenioritySenior
Experience8+ yrs
DepartmentSoftware Engineer/Developer, 0008-0003
Company size501–1,000 people
PostedOct 14, 2026 · 3w ago
Verified live3d ago
At a glanceSummarised by Seekless from the posting.
Bachelor’s degree in Software Engineering, Computer Science or a related discipline
8+ years of directly relevant software development experience
Proficiency in programming languages such as Python, Java, and NodeJS
Strong knowledge of front-end and back-end frameworks
Familiarity with CI/CD pipelines and version control systems
Demonstrated experience and/or familiarity with one of more of the following: SQL, Oracle, MySQL, JBDC, etc.
Demonstrated experience and/or familiarity with one of more of the following: Pytest, Jupyter, Java Spring, JUnit, Hibernate, JavaScript, ReactJs, etc.
Experience leading multiple software development teams
Experience developing system performance, availability, scalability, manageability, and security requirements for mid- to large-scale programs
Experience with cloud computing, multimedia storage, knowledge databases and data-mining analytics
Agile development methodology experience required
Experience with Linux and/or Unix
Experience with Jenkins and/or CloudBees
Knowledge of cloud platforms is a plus
Excellent problem-solving and communication skills
Strong teamwork and collaboration abilities
Ability to adapt to a fast-paced, evolving technology environment
Attention to detail and commitment to delivering high-quality solutions
DoDM 8140.03 DCWF Information Systems Security Developer (631), CSSLP, CISSP
Software development methodology certification (e.g. SCRUM Master) highly desired
Must have a Public Trust clearance and be able to obtain a Secret clearance within a year
Must be able to obtain DHS Suitability
Skills
Python
Java
NodeJS
SQL
Oracle
MySQL
JDBC
Pytest
Jupyter
Java Spring
JUnit
Hibernate
JavaScript
ReactJS
Linux
Unix
Jenkins
CloudBees
AWS
Azure
Google Cloud
Git
GitHub
GitLab
About ARSIEM Corporation
At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.
As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.
About the role
ARSIEM is looking for a Full Stack Developer to support the design, development, and deployment of advanced cybersecurity capabilities. The Full Stack Developer will play a pivotal role in our organization’s technology team. . This position will support one of our Government clients in Dulles, VA.
Responsibilities
•
Full Stack Development
•
Develop, maintain, and enhance front-end and back-end components of web applications.
•
Automated testing and smoke testing familiarity and implementation experience.
•
Perform unit and integration testing to ensure software quality.
•
Optimize application for speed and scalability.
•
Collaborate with cross-functional teams to gather and refine software requirements.
•
Write clean, maintainable, and efficient code.
•
Troubleshoot and resolve software defects and issues.
•
Handle authentication, authorization, and session management.
•
Integrate with third-party services (e.g., payment processors, external APIs).
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DevOps and Deployment
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Set up and manage CI/CD pipelines.
•
Deploy applications to cloud platforms (e.g., AWS, Azure, GCP).
•
Monitor application performance and reliability.
•
Handle version control using Git and platforms like GitHub/GitLab.
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Collaboration and Documentation
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Collaborate with DevOps, infrastructure, and development teams to ensure seamless integration.
•
Document code and infrastructure changes, processes, and best practices.
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Participate in knowledge sharing and mentorship of team members.
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Stay up-to-date with industry trends and emerging technologies.
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Cybersecurity – Secure Coding Practices
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Create secure code according to industry best practices.
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Use strong encryption algorithms for data in motion and data at rest.
•
Manage and handle credentials and secrets in a secure, authorized manner.
•
Use correct error handling and logging within developed code.
Minimum Qualifications
•
Bachelor’s degree in Software Engineering, Computer Science or a related discipline is required.
•
8+ years of directly relevant software development experience required.
•
Proficiency in programming languages such as Python, Java, and NodeJS.
•
Strong knowledge of front-end and back-end frameworks.
•
Familiarity with CI/CD pipelines and version control systems.
•
Knowledge of cloud platforms (e.g., AWS, Azure, Google Cloud) is a plus.
•
Demonstrated experience and/or familiarity with one of more of the following: SQL, Oracle, MySQL, JBDC, etc.
•
Demonstrated experience and/or familiarity with one of more of the following: Pytest, Jupyter, Java Spring, JUnit,
•
Hibernate, JavaScript, ReactJs, etc.
•
Experience leading multiple software development teams.
•
Experience developing system performance, availability, scalability, manageability, and security requirements for mid- to large-scale programs.
•
Experience with cloud computing, multimedia storage, knowledge databases and data-mining analytics.
•
Agile development methodology experience required.
•
Experience with Linux and/or Unix.
•
Experience with Jenkins and/or CloudBees.
Preferred Qualifications
•
Excellent problem-solving and communication skills.
•
Strong teamwork and collaboration abilities.
•
Ability to adapt to a fast-paced, evolving technology environment.
•
Attention to detail and commitment to delivering high-quality solutions.
•
DoDM 8140.03 DCWF Information Systems Security Developer (631), CSSLP, CISSP
•
Software development methodology certification (e.g. SCRUM Master) highly desired.
Clearance Requirement: Must have a Public Trust clearance and be able to obtain a Secret clearance within a year. Must be able to obtain DHS Suitability.
Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $3,500, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.
Legal
ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.