• Design, develop, and maintain high-quality mobile and/or web applications using Flutter and Dart. • Implement robust architectures (Clean Architecture, MVVM, BLoC, Provider, Riverpod, etc.) focused on scalability and maintainability. • Integrate features with REST and GraphQL APIs. • Ensure performance and code quality through unit and integration testing. • Participate in technical decisions regarding architecture, tools, and best practices. • Conduct code reviews and support the technical growth of the team. • Collaborate with Product Owners, UI/UX Designers, and other developers to turn requirements into features. • Identify opportunities for optimization and continuous improvement. • Mentor less experienced developers (junior and mid-level).

• Propose and lead technical solutions with an architectural perspective and measurable impact • Remove technical impediments to increase team productivity • Monitor and ensure quality: performance, testing, documentation, observability, governance, and Sonar/quality gates • Support the team with mentoring, code reviews, and promoting best practices • Participate in technical and business meetings with internal and external clients, translating needs into viable solutions • Produce and maintain architecture artifacts: diagrams, high-level solution designs, models, API contracts and flows

Requisition Number: 27816 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $86,246.00 - $141,000.00 Security Clearance: Top Secret Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Meet HII’s Mission Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you. To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072 Job Description HII is recognized as one of America’s top large company employers and is driven by strong values and ethics that puts people’s safety and well-being first. HII’s Mission Technologies Division develops integrated solutions that enable today’s connected, all-domain force. The Cyber, EW and Space Group provides full-spectrum capabilities that address today’s rapidly changing, multi-domain global security threats and anticipate emerging threats. The Software Developer will support the Advanced Space Technology for Range Operations (ASTRO) Phase III program for the Operational Test & Training Infrastructure (OTTI) Integrated Program Office (IPO). OTTI provides a series of capabilities (including space and/or ground nodes) that, when brought together, create unique range environments intended to serve specific test and training requirements. The present effort will deliver a prototype system to be used by Orbital Warfare and Electronic Warfare Range Operators to perform Mission Planning, make Range Safety decisions, and enable Range Instrumentation. This position requires extensive knowledge and experience with SAFe (Scaled Agile Framework) methodologies and servant leadership principles to facilitate agile development teams. As part of a SAFe Agile Scrum Team, the Software Developer will develop and deploy a multi-functional Range Control System that integrates proven software technologies and an intuitive user experience into a secure cloud architecture. The Developer will support teams in delivering secure, compliant, integrated solutions incrementally through iterative development cycles. This includes maintaining high transparency via daily scrums and ensuring "building quality in" through rigorous integration testing and security validation. Collaboration will be essential, as the developer works across scrum teams, partner companies, and Government stakeholders to deliver mission-critical capabilities through an incremental implementation strategy responsive to dynamic customer demands. Essential Job Responsibilities Minimum Qualifications Software Engineer 2 – Salary min 86,246.00 ~Target salary 112,008.00 Software Engineer 3 – Salary min 110,090.00 ~Target salary 125,000.00 Software Engineer 4– Salary min 117,531.00 ~ Target salary 141,000.00 - Bachelor's degree in Computer Science, Systems Engineering, Engineering, or related discipline preferred; or equivalent combination of education and experience. - Scrum Master (Level 4): 9 years relevant experience with Bachelor's Degree, with experience as a Scrum Master, specifically in a Scaled Agile (SAFe) environment. Work experience may be adjusted for highly specialized knowledge or uniquely applicable experience. - Scrum Team Member (Level 3): 5 years relevant experience with Bachelor's Degree, with experience in a Scaled Agile (SAFe) environment. Work experience may be adjusted for highly specialized knowledge or uniquely applicable experience. - Active DOD TS clearance required to start; ability to obtain SCI - Travel CONUS approximately 10% of the time but could surge to 25%. - Program execution will primarily be accomplished in Colorado Springs, Dayton, and the National Capital Region. While most work may be accomplished remotely, the Software Developer must be willing to travel regularly to Government and contractor sites with Sensitive Compartmented Information Facilities. HII is hiring both a Scrum Master (Software Developer Level 4) and Scrum Team Member (Software Developer Level 3). Preferred Requirements - Experience developing with Python, Java or TypeScript/Node.js, and SQL - Experience working with Atlassian tools (JIRA, Confluence) and SharePoint or GitHub - SAFe Advanced Scrum Master (SASM), SAFe Government Practitioner (SGP), or SAFe Agilist (SA) certification - Certified Scrum Master (CSM) or Professional Scrum Master (PSM) certification - Familiarity/experience with AWS cloud services, particularly AWS GovCloud and FedRAMP-authorized environments (IL4/IL5/IL6) - Experience with multi-level secure (MLS) systems and cross-domain solutions (CDS) - Knowledge of containerization technologies (Docker, Kubernetes, Podman) - Familiarity with NIST 800-53 controls and Authorization to Operate (ATO) processes - Familiarity with Zero Trust Architecture principles and implementation - Experience with API integration, microservices architectures, and service-oriented architecture - Familiarity with Model Based Systems Engineering, SysML, and modeling tools such as Cameo Systems Modeler. HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application. Why HII We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career. Together we are working to ensure a future where everyone can be free and thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law. Do You Need Assistance? If you need a reasonable accommodation for any part of the employment process, please send an e-mail to buildyourcareer@hii-co.com and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.

Type of Requisition: Regular Clearance Level Must Currently Possess: Interim Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Application Development, Debugging, Design, Software Development Life Cycle (SDLC), Software SystemsCertifications: NoneExperience: 3 + years of related experienceUS Citizenship Required: Yes Job Description: SOFTWARE DEVELOPER SENIOR Transform technology into opportunity as a Software Developer Senior at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career. MEANINGFUL WORK AND PERSONAL IMPACT As a Software Developer Senior, the work you’ll do at GDIT will be impactful to the mission of the USTRANSCOM customer. You will play a crucial role in modernizing and sustaining the Global Transportation Planning system. - Research, design, develop, and/or modify enterprise-wide systems and/or applications software - Assist with all phases of the software development lifecycle - Assist with analyzing user/business needs and functionality to plan and design software systems to meet those needsAssists with creating a variety of models and diagrams that show programmers the software code needed for an application - Perform software updates, refinement, testing, and debugging - Assist with the documentation of software or system for future maintenance and updates WHAT YOU’LL NEED TO SUCCEED Bring your engineering expertise along with a drive for innovation to GDIT. The Software Developer Senior must have: ● Education: BS/BA in software development or related field ● Certification: Comp TIA Sec+ - Required 6 months of hire ● Experience: 3+ years of related experience, preferably 4+ years experience of Angular (additional years can be considered in lieu of degree) ● Technical skills: - History of developing applications and troubleshooting issues within the code - Writing in Angular, Java along with development of scripts. - Compiling code using shell scripts ● Required Technical Expertise: Angular, Linux, System/Software Design, GitLab and Java ● Required Skills and Abilities: Application Development, Software Development, Problem Solving, understanding network communication ● Security clearance level: Active secret clearance OR previously held secret clearance preferred, must have ability to obtain interim clearance ● US citizenship required GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. ● Growth: AI-powered career tool that identifies career steps and learning opportunities ● Support: An internal mobility team focused on helping you achieve your career goals ● Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay and paid time off, and professional growth opportunities including paid education and certifications ● Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation. The likely salary range for this position is $97,968 - $132,250. 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: Less than 10% 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. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 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 capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans