Application Developer

Application Developer (Entry Level to SME) TS/SCI with Poly REQUIRED

Position Description
CGI Federal has an exciting opportunity for Applications Developers within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly evolving technology advancements and leveraging your knowledge on a highly collaborative team to deliver state-of-the-art capabilities.

The Applications Developer designs, writes, and tests basic software under direct supervision. They primarily translate simple business needs into functional code, debug errors, and assist senior team members with application deployment and system maintenance.

CGI Federal is growing its high-performance team whose members share a passion for building high-quality, scalable, advanced IT solutions in a collaborative, fast-paced, outcome-driven mission.

This position is located in our Arlington office; however, a hybrid working model is acceptable.

Your future duties and responsibilities
Key Responsibilities ( Entry Level)
• Coding: Write and maintain clean, simple source code using programming languages like JavaScript, Python, or Java.
• Testing & Debugging: Assist in running unit and integration tests to identify errors, followed by making basic code fixes.
• Prototyping: Create basic design layouts or software prototypes based on provided specifications.
• Maintenance: Update and modify existing applications, patch bugs, and maintain technical documentation.
• Team Collaboration: Work with senior developers, UX designers, and project managers to understand basic app requirements.

Key Responsibilities ( Junior Level)
• Programming & Code Creation: Write, configure, and maintain code for software applications following specified design guidelines.
• Debugging & Testing: Participate in functional and non-functional testing. Execute test plans to identify, troubleshoot, and resolve bugs.
• Documentation: Prepare and maintain technical documentation, workflow flowcharts, and system procedures.
• User Support: Perform routine corrections based on user feedback and provide end-user troubleshooting.
• Collaboration: Assist higher-level developers and project managers by attending design meetings and requirements-gathering sessions

Key Responsibilities (Mid-Level)
• Software Development & Integration: Write and maintain clean, scalable code for complex applications, APIs, and data integrations.
• Systems Analysis: Analyze user needs, define requirements, and create technical design specifications and architectural prototypes.
• Testing & Quality Assurance: Design test plans, conduct unit testing, and perform debugging to ensure software performance and reliability.
• Support & Troubleshooting: Investigate and resolve complex application errors, optimize system performance, and provide technical guidance to end-users.
• Documentation: Prepare comprehensive technical documentation, system manuals, and workflow diagrams.

Key Responsibilities (Senior Level)
• Complex System Architecture: Design and architect robust, scalable, and secure software applications and back-end database schemas.
• Advanced Development: Write clean, efficient, and maintainable code in polyglot distributed environments (e.g., C#, Java, JavaScript, Python, or specialized frameworks).
• Technical Leadership: Act as a technical subject matter expert and project lead. Guide cross-functional teams, conduct code reviews, and enforce organizational coding and security standards.
• Troubleshooting: Diagnose highly ambiguous and complex technical problems, install fixes, and correct performance bottlenecks.
• Integration & API Management: Design, build, and maintain complex API integrations, event-driven data flows, and cloud-native services.
• Stakeholder Collaboration: Consult with business analysts, management, and end-users to translate functional business requirements into technical specifications.
• Documentation: Author comprehensive technical documentation, architecture blueprints, and system manuals

Key Responsibilities (SME Level)
• System Architecture & Design: Lead the design, modification, and development of highly complex distributed applications, API integrations, and scalable database systems.
• Leadership & Mentorship: Guide, direct, and oversee software development teams through the project lifecycle. Act as an escalation point for resolving extremely complex coding bugs and architectural roadblocks.
• Business Analysis: Work directly