Senior Full-Stack Engineer: Cloud, Security & DevOps

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

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.