Job-ID29344820Reference26-26656The role Senior hands-on engineer to own a data and event backbone — how events flow, and how live and historical data are separated, stored, secured, and served. Accountable for delivering…
Engineering & IT · Jacksonville, FL
Mobile Developer jobs in Jacksonville, FL
Mobile developers build apps for iOS and Android, either natively in Swift and Kotlin or with cross-platform tools like React Native and Flutter, and ship them through the app stores.
32
Open roles today
$33–$86/hr
Typical pay range
$115k
Median, full-time
11
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Job-ID29344821Reference26-26657Job Description: The role Senior hands-on engineer to own the technical integrity of a core backend platform — holding engineering quality, making build-vs-configuration calls under archite…
to transforming the way our development teams build and deploy applications. Our mission is to create an environment that enables developers to innovate rapidly and scale effortlessly. We solve complex challenges, drivin…
$56.49 per hour
job summary: This job is responsible for developing and delivering complex requirements to accomplish business goals. Key responsibilities of the job include ensuring that software is developed to meet functional, non-fu…
capabilities, strengths, and gaps Set and communicate technical direction that supports consistent delivery across teams and offices Develop, maintain, and implement practice standards, processes, and tools to improve qu…
$118.7k - $243.7k
Technology US (DT - US) helps power Deloitte’s success, which serves many of the world’s largest, most respected organizations. We develop and deploy cutting-edge internal and go-to-market solutions that help Deloitte op…
$116.2k - $229.1k
process, please direct your inquiries to the Global Call Center (GCC) at ****@*****.***. Recruiting tips From developing a stand out resume to putting your best foot forward in the interview, we want you to feel prepared…
platform, server, and network-related issues, including active participation during service incidents and outage response calls.• Develop and maintain scripts and deployment workflows using tools such as PowerShell, Pyth…
and out of cycle requests from systems/software owners • Collects and presents data for reporting and planning • Assists with developing tactical strategies, processes and procedures related to systems/application admini…
Job Title: Application Support Engineer Location: Jacksonville, FL Full Time Job Description Must Have Technical/Functional Skills Database: Oracle Operating System experience: UNIX or Linux Cloud: GCP Tools- Grafana, Sp…
work of the design team through the schematic design development and contract document phase of a project.Lead, manage, mentor and develop less experienced engineers and designers. Manage and coordinate workload to compl…
care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been describ…
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What mobile developers earn in Jacksonville
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $33–$45 | $68k–$94k |
| Mid level | $45–$65 | $94k–$136k |
| Senior | $63–$86 | $132k–$179k |
Adjusted for the Jacksonville market from national ranges.
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What employers ask for
The skills these listings keep naming
Swift/SwiftUI or Kotlin/ComposeReact Native or FlutterMobile app architecture (MVVM)REST APIs and offline syncApp store release processPerformance and battery profilingPush notificationsUI testing and crash monitoring
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Interview questions worth rehearsing
With the thing the interviewer is actually listening for
Native or cross-platform — how do you choose for a given product?
Frame it as tradeoffs: team size, performance needs, platform-specific features, and long-term maintenance. Avoid religious answers in either direction.
How do you handle offline support and data sync?
Discuss local storage, sync strategies, and conflict resolution. Acknowledging that sync is genuinely hard reads as experience, not weakness.
Walk me through your app release process.
Cover build automation, staged rollouts, crash monitoring, and how you handle a bad release you cannot instantly roll back. Store review constraints are the key difference from web.
How do you keep an app responsive and battery-friendly?
Talk about keeping work off the main thread, profiling tools, and being deliberate with background tasks and network calls.
Tell me about a platform-specific problem you had to solve.
A concrete story — an OS update breaking behavior, a permissions change, a device-specific bug — shows you have shipped for real.
How do you structure an app so it stays maintainable as it grows?
Describe your architecture pattern and, more importantly, why: testability, separation of UI and logic, and how new developers find their way around.
How do you test a mobile app beyond unit tests?
Mention UI tests, device labs or simulators, beta channels like TestFlight, and crash/analytics monitoring after release.
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Resume tips that move the needle
For mobile developers specifically — generic advice costs you here
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Link your published apps and include store metrics if favorable — downloads, ratings, or featured placements.
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State your platform depth clearly: iOS, Android, or cross-platform, with the languages and years for each.
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Mention release ownership — shipping to the App Store or Play Store, staged rollouts, crash-rate improvements.
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Quantify quality: crash-free rate, app size reduction, startup time improvements.
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If you worked on a well-known app, name your specific features rather than the app alone.
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Where this role goes
Typical progression
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Junior Mobile Developer
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Mobile Developer
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Senior Mobile Developer
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Staff Mobile Engineer
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