Optimize app performance for memory & battery consumption in mobile * Handle app lifecycle from ... developers and tenants. Equal Opportunity Statement At Kastle, we believe that diversity makes us ...

60 It Mobile App Developer Jobs Hiring Near You
Optimize app performance for memory & battery consumption in mobile * Handle app lifecycle from ... developers and tenants. Equal Opportunity Statement At Kastle, we believe that diversity makes us ...
Evaluate AI-generated mobile code and refactor it for correctness, performance, battery use, and ... app development (required). * Bachelor's or Master's Degree in Computer Science, Engineering ...
Evaluate AI-generated mobile code and refactor it for correctness, performance, battery use, and ... app development (required). * Bachelor's or Master's Degree in Computer Science, Engineering ...
Mobile App Developer, Mid
Montgomery, AL · On-site +1
$69K - $158K/yr
Share Mobile App Developer, Mid The Opportunity: As a full stack developer, you can resolve a ... Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in ...
Mobile App Developer, Mid
Montgomery, AL · On-site +1
$69K - $158K/yr
Share Mobile App Developer, Mid The Opportunity: As a full stack developer, you can resolve a ... Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in ...
Mobile App Developer, Mid
Montgomery, AL · On-site
$69K - $158K/yr
Mobile App Developer, Mid The Opportunity: As a full stack developer, you can resolve a problem ... Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in ...
Mobile App Developer, Mid
Montgomery, AL · On-site
$69K - $158K/yr
Mobile App Developer, Mid The Opportunity: As a full stack developer, you can resolve a problem ... Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in ...
Native Android mobile app developer
$55.25 - $72.50/hr
Native Android mobile app developer Location: Dallas, TX Duration: Full Time Have at least 2 years of solid native Android mobile app development experience Experience with various android OS ...
Native Android mobile app developer
$55.25 - $72.50/hr
Native Android mobile app developer Location: Dallas, TX Duration: Full Time Have at least 2 years of solid native Android mobile app development experience Experience with various android OS ...
Mobile App Developer
Miami, FL · On-site
iOS/Android developer needed for eCommerce apps.
Mobile App Developer
Miami, FL · On-site
iOS/Android developer needed for eCommerce apps.
Mobile App Developer, Mid
$69K - $158K/yr
Mobile App Developer, Mid The Opportunity: As a full stack developer, you can resolve a problem ... Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in ...
Mobile App Developer, Mid
$69K - $158K/yr
Mobile App Developer, Mid The Opportunity: As a full stack developer, you can resolve a problem ... Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in ...
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 ...
Optimize app performance for memory & battery consumption in mobile * Handle app lifecycle from ... developers and tenants. Equal Opportunity Statement At Kastle, we believe that diversity makes us ...
Optimize app performance for memory & battery consumption in mobile * Handle app lifecycle from ... developers and tenants. Equal Opportunity Statement At Kastle, we believe that diversity makes us ...
Sr. Swift Mobile App Developer
$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 ...
Quick apply
Sr. Swift Mobile App Developer
$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 ...
Mobile App Developer
Miami, FL · On-site
iOS/Android developer needed for eCommerce apps.
Mobile App Developer
Miami, FL · On-site
iOS/Android developer needed for eCommerce apps.
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 ...
Senior Mobile App Developer
Plano, TX · On-site
As a Senior Mobile App Developer you have a passion for code and putting the customer first; delivering an exceptional experience through the creation of extendable and re-usable products. Applicants ...
Senior Mobile App Developer
Plano, TX · On-site
As a Senior Mobile App Developer you have a passion for code and putting the customer first; delivering an exceptional experience through the creation of extendable and re-usable products. Applicants ...
Mobile App Developer - Hybrid
Ashburn, VA · On-site
We are seeking an experienced Mobile App Developer to support a mission-critical DHS/CBP program focused on developing, modernizing, and maintaining high-availability mobile and backend services. You ...
Mobile App Developer - Hybrid
Ashburn, VA · On-site
We are seeking an experienced Mobile App Developer to support a mission-critical DHS/CBP program focused on developing, modernizing, and maintaining high-availability mobile and backend services. You ...
Senior Mobile App Developer
Plano, TX · On-site
As a Senior Mobile App Developer you have a passion for code and putting the customer first; delivering an exceptional experience through the creation of extendable and re-usable products. Applicants ...
Senior Mobile App Developer
Plano, TX · On-site
As a Senior Mobile App Developer you have a passion for code and putting the customer first; delivering an exceptional experience through the creation of extendable and re-usable products. Applicants ...
Mobile App Engineer Hyundai America Technical Center, Inc. (HATCI) is looking for an experienced engineer to join the Mobile App and Automation Team of the Infotainment Development Department The ...
Mobile App Engineer Hyundai America Technical Center, Inc. (HATCI) is looking for an experienced engineer to join the Mobile App and Automation Team of the Infotainment Development Department The ...
$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 ...
$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 ...
Salesforce Mobile App Developer
Philadelphia, PA · On-site
$56 - $74.25/hr
... talented developer with expertise in creating both web and mobile applications, focusing on ... Familiarity with continuous integration and deployment processes, as well as app lifecycle ...
Salesforce Mobile App Developer
Philadelphia, PA · On-site
$56 - $74.25/hr
... talented developer with expertise in creating both web and mobile applications, focusing on ... Familiarity with continuous integration and deployment processes, as well as app lifecycle ...
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 ...
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 ...
Quick apply
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 ...
IT Jobs Information

Kastle Systems rating
9.2
Based on 6 frontline employees who took The Breakroom Quiz
4th of 106 rated security
Job description
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.
About Kastle Systems
Sourced by ZipRecruiter
Industry
It services
Company size
501 - 1,000 Employees
Headquarters location
Falls Church, VA, US
Year founded
1972