Mobile App Developer - Hybrid

Position Overview We are seeking an experienced Mobile App Developer to support a mission-critical Department of Homeland Security (DHS) / U.S. Customs and Border Protection (CBP) program focused on developing, modernizing, enhancing, operating, and maintaining enterprise applications. The ideal candidate will bring strong hands-on experience in Android and iOS mobile application development, Flutter/Dart, Java, Node.js, RESTful APIs, and SQL/NoSQL databases. This role involves designing, developing, testing, and maintaining secure, scalable, highly available mobile solutions while collaborating with cross-functional teams throughout the software development lifecycle (SDLC). The position requires strong technical troubleshooting, problem-solving, and communication skills to deliver reliable applications supporting critical federal missions. Primary Responsibilities Design, develop, enhance, and maintain Android and iOS mobile applications supporting DHS/CBP mission-critical systems. Develop cross-platform mobile solutions using Flutter, Dart, and other Android/iOS development frameworks. Build and integrate front-end mobile applications with back-end RESTful APIs using Java, Node.js, and related technologies. Design, implement, and optimize SQL and NoSQL databases, ensuring application performance, scalability, and reliability. Develop highly available, scalable, and real-time application solutions using modern software architecture and design patterns. Participate in the full SDLC, including requirements analysis, architecture, design, development, unit testing, deployment, and maintenance. Troubleshoot application issues, perform root cause analysis, and implement preventative measures to improve system stability. Apply strong application testing practices, including unit, integration, and functional testing. Support Agile development, DevOps practices, CI/CD pipelines, and continuous application improvements. Collaborate with developers, architects, testers, and federal stakeholders to deliver solutions aligned with mission requirements, schedules, and technical constraints. Maintain technical documentation, track development activities using Jira, and promote software engineering best practices. Requirements Required Qualifications Education/Experience: Bachelor's degree with 12+ years of relevant experience, Master's degree with 10+ years, or an additional 4 years of experience in lieu of a degree. Mobile Development: Minimum 5 years of hands-on mobile application development experience across both Android and iOS platforms. Cross-Platform Frameworks: Experience with Google Flutter, Dart, and comparable Android/iOS development frameworks. Full-Stack Development: Experience developing front-end mobile applications and back-end RESTful APIs using Java and Node.js. Databases: Hands-on experience with both SQL and NoSQL databases. Software Engineering: Strong understanding of software design patterns, application architecture, debugging, and testing practices. Technical Stack: Knowledge of technologies such as PostgreSQL, Spring Boot, MySQL, Kafka, Struts, Hibernate, JSF, Swing, JavaScript, Bootstrap, and Angular/React. Agile/DevOps: Experience with Agile methodologies, DevOps frameworks, service-oriented environments, and software development best practices. Tools: Experience with issue tracking and project management tools such as Jira. Communication: Excellent written and verbal communication, analytical thinking, creative problem-solving, and collaboration skills. Clearance: Must hold an active DoD Top Secret clearance or DHS Full BI and be able to obtain and maintain the required CBP Background Investigation prior to starting. Preferred Qualifications Active CBP Background Investigation (BI) and previous experience supporting CBP or DHS programs. Experience with AWS cloud services, CI/CD pipelines, and automated deployment practices. Experience working in Agile development environments and with additional Android/iOS mobile development frameworks. Benefits Core Benefits: Paid Time Off PTO):TEN (10) Paid days off & FIVE (5) Floating days off. Holidays: 11 Paid Holidays. Flex time can be utilized instead of holiday time usage. Payroll: Paid Bi-Monthly. 401(k): Partnered with the SECOND LARGEST Retirement plan provider in the U.S. Guaranteed 3% match. Eligibility – 21 years of age or older, after 3 months of employment Individual or company-wide performance and recognition awards (Quarterly) Health Benefits: UNITED HEALTHCARE PPO, extensive national coverage. INCLUDES: Medical/Dental/Vision/HSA. Eligible on the first of the month, immediately after the start date. Submit the enrollment form within 30 days of your start date otherwise, you will have to wait until October for the new year enrollment. Quality of Life Benefits: Training & Career Development Reimbursement of Tuition and training needed to support career development. $150 monthly reimbursement contribution paid monthly towards parking expenses. Receipts must be submitted by the close of business on the 25th of each month. Reimbursements will be paid on the first payroll AFTER reimbursements are submitted each month. Special Benefits: Performance bonus – Project-based Yearly bonus – Company based