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60 It Mobile App Developer Jobs Hiring Near You

Sr. Swift Mobile App Developer

Atlanta, GA · On-site

$57.75 - $74.75/hr

Contract Sr. Swift Mobile App Developer We are looking for a Contract Sr. Swift Mobile App Developer to join our team. The ideal candidate will have experience in iOS mobile development, Swift, and ...

Sr. Swift Mobile App Developer

Atlanta, GA · On-site

$57.75 - $74.75/hr

Contract Sr. Swift Mobile App Developer We are looking for a Contract Sr. Swift Mobile App Developer to join our team. The ideal candidate will have experience in iOS mobile development, Swift, and ...

$75 - $150/hr

Mobile App Developer Role Snapshot Posting Date: June 15, 2026 RFP Deadline: June 29, 2026 Deadline for Submission: Apply as soon as possible before June 29, 2026 Rate: Estimated $75 - $150/hr based ...

Mobile App Developer MAHIN-JOB-31614 Location - Dallas/Miami (Hybrid) Salary: 130K-140K JD: This position is responsible for technical thought leader advising customer executives and visionaries in ...

Candidate is expected to perform engineering functional leadership for all phases of mobile app development projects assigned too. Applicants should have the ability to define, develop, validate, and ...

Showing results 41-60

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Infographic showing various Mobile App Developer job openings at It in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 67% Physical, and 33% Hybrid job distribution.
Senior Mobile App Developer

Senior Mobile App Developer

Kastle Systems

Falls Church, VA • On-site

Full-time

Posted 23 hours ago


Kastle Systems rating

9.2

Company rating: 9.2 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

4th of 106 rated security


Job description

Overview
At CheckVideo, we are transforming video security with our AI-enabled cameras. Thousands of customers depend on us every day for mission-critical security, delivered through cloud infrastructure. This is a hybrid position out of Falls Church, VA that offers an opportunity to work on the cutting edge of technology with a great team and make meaningful contributions every single day. We are looking for an experienced Software Engineer responsible for software architecture, design, development & testing of CheckVideo's flagship product assets. Additional duties include writing high performance, scalable & secure software to meet customer demands.
Responsibilities
  • Design. Develop, test and deploy native iOS and Android applications
  • Translate Figma designs into responsive mobile interfaces using NativeScript and CSS/SCSS
  • Integrate mobile apps with backend services using RESTful APIs and OAuth2/JWT
  • Maintain code quality with clean code and unit testing
  • Optimize app performance for memory & battery consumption in mobile
  • Handle app lifecycle from design, testing, App Store/Google Play deployment and support
  • Scale and tune production software for high performance

Qualifications
  • Education: Bachelor's degree required; Advanced degree preferred
  • Experience: 5+ years of developing software for mass market products
  • Frameworks: Angular (Components, Services, Signals, RxJS, NgRx), React, Redux, NativeScript, NativeScript CLI, Vue.js, TypeScript, Swift, ObjC, Java, Kotlin, Coroutines, Jetpack, Retrofit, Room
  • Styling: CSS and NativeScript-specific styling
  • Tools: Visual Studio, Android Studio, and Xcode for platform-specific builds
  • Testing: Jest, Karma, Jasmine
  • Source code control systems: Git, Bitbucket
  • Databases: SQLite, RxDB, Firestore, Couchbase Lite
  • Operations: Strong skills in troubleshooting production issues

Helpful but not required
  • Experience with media codecs and streaming protocols
  • Prior experience with video processing

Company Overview
Join the leader in providing smarter solutions for a safer world.
The property technology space is growing rapidly, and Kastle Systems is leading the way. Kastle Systems is the leader in managed security, with a track record of introducing innovative technologies to serve over 460M square feet of real estate globally. Clients span the commercial and multifamily real estate, education, and construction industries and the customers they serve. Delivering a world class customer experience drives everything we do, and Kastle's mission is to be our customers' best service provider and to ensure that their security the most effective, efficient and convenient. Kastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants.
Equal Opportunity Statement
At Kastle, we believe that diversity makes us stronger - at work and in the world. Kastle Systems International, LLC is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, protected veteran status, marital status, pregnancy or any other basis protected by applicable federal or state laws.

What Kastle Systems employees say

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