Mobile Application Developer

Leidos Holding$107K — $195K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • BS/BA degree with 10 years relevant experience or Master's with 8 years, or 4 years additional experience in lieu of degree
  • 5+ years in Mobile Application Development for both Android & iOS
  • Experience in front-end mobile and back-end RESTful API development
  • Proficient in JAVA and Node.js application development
  • Experience with NoSQL and SQL databases
  • Strong application testing discipline is required
  • Familiarity with Flutter and Dart for mobile frameworks

Responsibilities

  • Collaborate to architect, design, build, deliver, and enhance scalable real-time systems
  • Determine and recommend optimal designs based on customer objectives and resource constraints
  • Lead major project deliverables throughout the software development lifecycle
  • Estimate scope and work for projects
  • Perform coding and unit testing of applications
  • Troubleshoot application issues and provide preventative measures
  • Communicate effectively with team members and stakeholders

Benefits

  • Opportunity to work on a mission-critical program for DHS/CBP
  • Collaborative work environment with a focus on innovation
  • Hands-on experience with cutting-edge technologies
  • Flexible schedule with hybrid work model
  • Career advancement opportunities within the Homeland Sector
Full Job Description

The Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. Mobile App Developers requires a strong mix of communications skills and hands on technical trouble shooting to support application issues and application of preventative measures.

In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real-time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines and other resource constraints. You will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. The candidate should have expertise in Mobile App Development

**This position REQUIRES the candidate to be in Ashburn, VA, 2 twice a week**


Basic Qualifications:

  • BS/BA degree and 10 years of prior relevant experience or Master’s with 8 years of prior relevant experience; or 4 years of additional experience in lieu of degree

  • At least 5 years experience with Mobile Application Development, must have experience with both Android & iOS

  • Requires experience in both Front-end Mobile and Back-end RESTFUL API development.

  • Requires experience in development of JAVA, Node JS applications.

  • Requires experience in both NoSQL and SQL database’s.

  • Must have strong application testing discipline.

  • Experience with Google’s Flutter engine and Google’s Dart language and similar Android/iOS framework.

  • Excellent problem-solving skills.

  • Creative thinker

  • Proficiency and knowledge of the following: Postgres, Springboot, SQL, Kafka, MySQL, Struts, Hibernate, Java, JSF, Swing, JavaScript, Bootstrap, Angular/React is desired.

  • Knowledge of software design patterns.

  • Experience with an issue/problem tracking system (e.g., Jira)

  • Proficiency with common Agile practices, service-oriented environments, and better development practices

  • Excellent written and verbal communication skills

  • Experience with DevOps frameworks

  • U.S. Citizen

  • Must be able to maintain and obtain a CBP Background Investigation prior to start

Preferred Qualifications:

  • Active CBP BI

  • Experience with CBP

  • AWS Experience

  • Knowledge of CI/CD pipeline

  • Worked in Agile environment

  • Other mobile framework



Original Posting:
July 17, 2026

Pay Range:
Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

Stay Connected

Stay informed with the latest career tips, industry insights, and company news from Leidos Holding. Subscribe to receive updates and be the first to know about new job opportunities, company developments, and more.

Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

SEARCH LEIDOS HOLDING JOBS

READ CAREERS BLOG

Job Alert Emails

Customize your subscription to receive job alerts and insider tips tailored to your preferences from Leidos Holding. See what exciting and rewarding opportunities await in your professional journey.
Learn more about Leidos Holding

Similar Jobs

  • Software Developer
    $85K — $116K *
    Syms Strategic Group, LLC (SSG)
    Shepherdstown, WV 25443 (Jefferson County)
  • Senior Full Stack Engineer
    $120K — $160K *
    allwhere, Inc.
    New York, NY 10025 (New York County)
  • Software Developer
    $85K — $116K *
    Syms Strategic Group, LLC (SSG)
    Greenville, NC 27858 (Pitt County)
  • Software Developer
    $85K — $116K *
    Syms Strategic Group, LLC (SSG)
    Wilmington, DE 19805 (New Castle County)
  • Senior Full Stack Developer
    $85K — $116K *
    Syms Strategic Group, LLC (SSG)
    Rockville, MD 20850 (Montgomery County)
  • Software Developer
    $85K — $116K *
    Syms Strategic Group, LLC (SSG)
    Pittsburgh, PA 15237 (Allegheny County)

More Jobs at Leidos Holding

More Information Technology Jobs

Find similar Mobile Application Developer jobs: