Applications Developer III

ARSIEM Corporation; Virginia; On-site; USD 140,000 - 190,000; Full time

Job summary

ARSIEM Corporation is seeking a Senior Full Stack Developer to design, build, and deploy cybersecurity-enabled applications for a government client in Dulles, VA. You will contribute to front-end and back-end development, automated testing, and secure coding practices across cloud platforms and CI/CD environments.

The role requires 8+ years of software development, strong Python/Java/NodeJS skills, Agile leadership experience, and the ability to work with cross-functional teams.

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 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 (AWS, Azure, Google Cloud) is a plus.
• Experience with SQL, Oracle, MySQL, JDBC, etc.
• Experience with Pytest, Jupyter, Java Spring, JUnit, Hibernate, JavaScript, ReactJS.
• Experience leading multiple software development teams.
• Experience developing system performance, availability, scalability, security requirements for mid- to large-scale programs.
• Experience with cloud computing, multimedia storage, knowledge databases and data-mining analytics.
• Agile development methodology experience.
• Experience with Linux/Unix.
• Experience with Jenkins and/or CloudBees.

Responsibilities

• 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).
• Set up and manage CI/CD pipelines.
• Deploy applications to cloud platforms (AWS, Azure, GCP).
• Monitor application performance and reliability.
• Handle version control using Git and GitHub/GitLab.
• Collaborate with DevOps, infrastructure, and development teams to ensure seamless integration.
• Document code and infrastructure changes, processes, and best practices.
• Participate in knowledge sharing and mentorship of team members.
• Stay up-to-date with industry trends and emerging technologies.
• Create secure code according to industry best practices.
• Use strong encryption for data in motion/rest.
• Manage credentials and secrets securely.
• Use correct error handling and logging within developed code.

Skills

Python

Java

NodeJS

ReactJS

CI/CD

Linux

Agile

Team leadership

Education

Bachelor’s degree in Software Engineering/Computer Science

Tools

AWS

Azure

GCP

Jenkins

GitHub

GitLab

SQL

Job description

About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. Weprovide support to multiple agencies across the United States Government. ARSIEMhas 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.

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).
• DevOps and Deployment
  • 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.
• Collaboration and Documentation
  • Collaborate with DevOps, infrastructure, and development teams to ensure seamless integration.
  • Document code and infrastructure changes, processes, and best practices.
  • Participate in knowledge sharing and mentorship of team members.
  • Stay up-to-date with industry trends and emerging technologies.
• Cybersecurity – Secure Coding Practices
  • Create secure code according to industry best practices.
  • 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.

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.