Senior Sr Full Stack Developer

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

NACI (T1)

Job Family:

Software Engineering

Job Qualifications:

Skills:

Agile Software Development, Amazon Web Services (AWS), Angular, Application Development, Design

Certifications:

None

Experience:

7 + years of related experience

US Citizenship Required:

Yes

Job Description:

GDIT is seeking an experienced Full Stack Developer with strong Python expertise to support fixes, enhancements, and ongoing maintenance for a large, production web application in support of the EPA IV MAINES Contract.  This role will contribute to multiple major planned releases in FY26 and provide continuous Standard Web Maintenance across both the UI and API tiers of the system.

The ideal candidate has experience with modern front‑end frameworks, backend API development, third‑party integrations, and building scalable, secure, and user‑friendly applications.

The Full Stack Developer will play an essential role in delivering several major system releases by:

• Enhancing UI functionality across multiple planned deployments
• Improving backend performance and reliability
• Strengthening integration workflows and batch processing capabilities
• Enhancing search, filter, and administrative features
• Supporting long-term maintainability through continuous Standard Web Maintenance

Key Responsibilities

UI Application Development Support

• Implement UI updates and enhancements based on provided requirements
• Perform Standard Web Maintenance, including:
• Bug fixes
• Accessibility improvements
• Front‑end performance tuning
• Routine UI updates and code quality improvements
• Ensure adherence to established design, usability, and security guidelines

API Application Development Support

• Build and support third‑party migrations and integrations
• Implement batch upload functionality for external systems
• Develop additional backend features as requested
• Improve search and filter capabilities
• Support development and enhancement of administrative modules
• Establish and follow standards for migrations and integrations
• Enhance integration‑related functionality for improved reliability and performance
• Support migration of legacy data and processes to updated architecture
• Ensure API components meet expectations for performance, scalability, and security

Required Skills & Qualifications

• Strong hands-on experience with Python and modern frameworks (Django, Flask, FastAPI, or similar)
• Full stack experience with JavaScript frameworks such as React, Angular, or Vue
• Experience designing, developing, and maintaining REST APIs
• Experience with batch processing workflows
• Experience integrating external or third‑party systems
• Proficiency with relational databases (PostgreSQL, MySQL, etc.)
• Knowledge of cloud environments (AWS, Azure, or GCP)
• Git version control experience
• Strong analytical and problem‑solving abilities
• Ability to work independently and manage work across multiple releases
• Experience with Agile development processes
• Excellent communication and teamwork skills

Preferred Qualifications

• Experience supporting large-scale production applications
• Familiarity with secure coding practices and enterprise security standards
• Experience with CI/CD pipelines and automated testing frameworks
• Experience with PHP

The likely salary range for this position is $127,500 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Remote

Work Location:

Any Location / Remote

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee’s date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development. Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans