Mobile Recruiting SwiftKotlinReact Native Contract & Direct Hire

Mobile Developer Recruiters for Teams Who Ship to Somebody Else’s Store

iOS and Android are two labor markets wearing one job title. We recruit both, we screen for the part that only shows up after release, and we’ll tell you which one you actually need before sourcing starts.

A KORE1 recruiter and an engineering manager scoping a mobile developer search across a workbench of printed notes arranged in two columns

KORE1’s mobile developer recruiters place iOS, Android, and cross-platform engineers on contract, contract-to-hire, and direct hire, with a 17-day average to first qualified submit and 92% one-year retention.

Last updated: August 6, 2026

17d
Average to first qualified submit
92%
Placements still in seat at one year
20yrs
Recruiting tech talent since 2005
30+
U.S. metros served

A product lead called us in March about a “mobile developer, 5+ years, iOS or Android.” The role had been open since December. Ten weeks. Two offers had gone out, both declined, and the working theory inside the company was that the comp band was broken.

It wasn’t the band.

The req had been shown to iOS people and Android people in the same week, by the same internal recruiter, with the same take-home exercise written in Kotlin. Every Swift candidate read that exercise as a signal the team was really an Android shop, and left. Nobody wrote back to explain. That’s not an unusual story either. It’s most of what goes wrong in mobile hiring, and it’s why KORE1 keeps mobile on its own desk inside our broader IT recruiters practice rather than folding it into general application work.

We’ve recruited technology talent since 2005. Mobile is still the one discipline on our board where the hire has to be right about things a code test can’t reach, because the work keeps going after the merge, out on hardware we don’t control, behind a review queue owned by a company that has never heard of your release date, and in front of users who may never update the app again.

So we screen for that. Not the algorithm question, which any decent engineer can rehearse the night before, and which tells you almost nothing about whether the person has ever watched a release go wrong at nine on a Friday night with a hundred thousand installs already downloaded.

Hands sorting printed candidate profiles into two separate stacks on a brushed aluminium workbench
The Market

One Job Title, Two Labor Markets

Hiring managers write “mobile developer” because that’s how the org chart reads. The market doesn’t work that way.

An iOS engineer with eight years in Swift is not a slightly different version of an Android engineer with eight years in Kotlin. They read different release notes, argue about different frameworks, and have almost never worked in each other’s toolchain past a proof of concept. Genuinely dual-platform people exist. Not many. They’re expensive, they know it, and they’re usually not available on the timeline attached to your req.

So the first thing a KORE1 recruiter does is split the search. Which platform carries revenue today, which one is the maintenance burden, and is the second platform a real seat or a wish. Twenty minutes, tops. That conversation has saved clients entire months, because a req asking for both gets read by candidates as a req that doesn’t know what it wants.

Usually it’s one side. Start at iOS developer staffing or Android developer staffing. If it’s honestly both, our mobile developer staffing page covers how we run a two-platform search without stalling either one.

Where the Transfer Fails

The Two Ladders

Same rung, two different jobs. This is the map our recruiters work from. It’s also the fastest way to show a hiring manager why one req can’t cover both sides.

Rung
iOS
Android
01 Language & UI layer
Swift and SwiftUI, plus enough UIKit to maintain every screen written before 2020. Most codebases are still both.
Kotlin and Jetpack Compose, over a View system that usually still renders a third of the app. Java shows up in the old modules.
02 The gate
One reviewer, one queue, one binary. Apple states that 90% of submissions are reviewed in under 24 hours, and the other 10% is the part that eats a launch date.
Policy checks plus a staged rollout you can halt at 5%. Different risk math, and it shows in how a candidate talks about shipping.
03 Device reality
A dozen screen sizes and three OS versions that matter. Adoption moves fast, so old-version support is a business decision, not a permanent tax.
A device matrix nobody has memorized, plus manufacturer battery managers that quietly kill your background work on one brand and not another.
04 After the release
There is no rollback. A bad build lives on the devices that already took it until those users update, so the fix ships forward and goes back through the queue.
You can stop a rollout mid-flight, which softens the blast radius and changes how much a team invests in pre-release testing.
05 Where the bench is deep
Consumer products, fintech, media, health apps. Design-heavy work pulls senior Swift people, and they interview accordingly.
Logistics, retail operations, field service, anything running on a handheld scanner or a kiosk. Quieter market, less competition per req.
Cross-platform

React Native and Flutter cover rungs one through three well, which is exactly why they get bought. Then rung four arrives. Somebody still has to own the native modules, the store submissions, the push certificates, and the crash that only reproduces on a Samsung A-series running the carrier build. Teams who staff a React Native or Flutter squad with nobody native-fluent tend to find that out around month five, usually the week before a launch, and the fix at that point is a rushed contract hire at a rate nobody budgeted for.

What We Test

Six Questions That Separate Shipped From Studied

Every candidate in this pool lists Swift or Kotlin. Everyone. These six are what our recruiters dig into before a profile reaches your inbox.

Release ownership

Have they personally pushed a build to a store, or did someone else always click submit? We ask directly. The answer separates a feature developer from an engineer who can own a release train, and it moves the band.

The rejection story

Everyone who ships has been rejected. Everyone. We ask what it was, how long it cost, and what changed afterward. People who haven’t shipped answer in the abstract.

Crash-free rate

Do they know theirs? A candidate who quotes 99.4% and can explain the missing 0.6% has lived with production. One who has never seen the number was handed tickets.

Offline and flaky networks

Mobile lives on a train, in a basement, or on hotel wifi. Half-succeeded is the hard case. How a candidate handles that tells you more than any algorithm question will.

Testing that survives the OS

Snapshot tests, device farms, and what breaks every September when a new OS lands. September breaks things. Our test automation desk sees the same gap from the QA side.

Working with design

Mobile lives or dies on interaction detail, and the engineers who thrive can push back on a spec without stalling it. So we ask. What was the last thing they argued with a designer about, and how did it land?

A KORE1 technical recruiter interviewing a mobile developer candidate across a small table with a blank legal pad
The Screen

We Screen for the Part That Happens After Merge

Most technical screens stop at the code. In mobile that’s about half the job.

Once a build leaves the pipeline it goes somewhere nobody on your team controls. It waits in a queue. It gets installed by people running an OS two versions back on a phone with 400MB free, and then it sits there for months. A web team can ship a fix in nine minutes. A mobile team ships a fix, waits for review, and then waits for adoption, which is why an experienced mobile engineer is careful in ways that can read as slow to a manager who came up on the web.

They aren’t slow. They’ve been burned.

Our recruiters carry an average of 15 years in technology hiring, and on mobile reqs they’re listening for exactly that carefulness. Feature flags on anything risky. A kill switch for the payment path. A hard opinion about what belongs in a release and what waits two weeks.

Then there’s the part nobody puts on a scorecard. Ask a mobile engineer what happened the last time something went out broken. The good ones remember the hour.

The Band

What Mobile Engineers Cost in 2026

Two national numbers worth having in front of you before the req is approved. ZipRecruiter’s July 2026 data puts the average U.S. iOS developer salary at $123,994, with most roles landing between $103,500 and $142,500 and the 90th percentile at $164,000. Android runs slightly higher on the same source, averaging $127,151 with a $111,500 to $146,500 middle.

Those are national averages. Which means they’re wrong for your metro, in one direction or the other. A senior iOS engineer in the Bay Area or New York clears the 90th percentile without much argument. The same résumé in Columbus or Salt Lake City prices differently, and a remote-friendly req gets compared against both at once.

Demand underneath all of it stays strong. The BLS Occupational Outlook Handbook projects 15% growth for software developers, QA analysts, and testers from 2024 to 2034, with about 129,200 openings a year.

Check before you post. Our salary benchmark assistant pulls a current range for your city and level in about a minute, and for role-by-role detail the mobile app developer salary guide and the Android developer salary guide both go deeper than any single national average can, including the contract rate equivalents most teams forget to convert.

How a Search Runs

What Happens After You Call Us

Same sequence for a six-week contract and a permanent staff seat. Depth changes, order doesn’t.

  1. 01

    Platform Intake

    Sixty minutes on which platform carries the revenue, what the codebase looks like today, who owns releases now, and whether the second platform is a real seat. No sourcing before that.

  2. 02

    Network First

    Our recruiters keep a live bench of iOS and Android engineers, most spoken to inside the last 18 months. Not a job board. Outreach starts the day the req is signed.

  3. 03

    Technical Screen

    Thirty to forty-five minutes on apps they’ve actually shipped, plus store history where it’s public. Shipped, not studied. You get three to six profiles with written notes an engineering lead can use.

  4. 04

    Interview Management

    Scheduling, debriefs, comp signal, counter-offer prep. Speed wins these. Mobile candidates carry three processes at once, so a panel that takes nine days to find an hour usually loses.

  5. 05

    Close and Check In

    We run the offer conversation, then check back at 30, 60, and 90 days. Small problems surface early. That habit is most of the reason 92% of our placements are still there at a year.

Engagement Models

Three Shapes for the Same Hire

Same recruiters, same bench. Pick the shape that fits the work in front of you.

Most Common

Contract & Contract-to-Hire

Hourly iOS and Android engineers on a KORE1 W-2, convertible later. Half our mobile work starts here. Right for a rewrite, a seasonal push, or a platform you’re not sure you’ll keep staffed.

Contract Staffing →

Direct Hire

Full-time placement, fee on start date. No fee if nobody starts. Right when the app is a permanent product and you want the same person owning it through the next three OS releases.

Direct Hire details →

Project & Statement of Work

Outcome-priced delivery on a scoped build. You buy a result. Fits a Compose migration, a store-compliance cleanup, or a v1 you’d rather not manage as three open reqs.

Project Staffing →
A hiring manager and a KORE1 recruiter marking up a printed job description with a pen on a workbench
The Brief

Most Stalled Mobile Reqs Are Written, Not Sourced, Wrong

The posting asks for Swift and Kotlin and React Native, five years each, plus CI ownership and a design eye, at a mid-level band.

Strong candidates read that in four seconds. What they see is a team that either doesn’t know which platform it’s betting on or is trying to buy three people for the price of one, and both readings send them to the next tab. Nobody emails to explain why they passed. So the company sees silence and concludes the market is empty.

So we slow it down. Before sourcing, your recruiter walks the team through what this person ships in the first ninety days, who reviews their pull requests, whether they inherit a codebase or start clean, and which single line in that posting is genuinely non-negotiable. Roughly a third of the time the req changes shape. Once in a while it splits into a contract migration plus a smaller permanent seat, which is a much cheaper discovery to make in week one than in week seven with two declined offers behind you.

Then we go to market with one honest role. If the work turns out to be mostly web with a wrapper, our software developer recruiters take it. If interaction quality is the real gap, that’s UX designer staffing. And if you’re building the req from scratch, the iOS hiring guide has the scorecard we use on intake.

Questions

Common Questions

What does a mobile developer recruiter actually do differently?

A mobile developer recruiter splits the search by platform, screens for release ownership rather than syntax, and prices iOS and Android separately, because the two pools barely overlap and post different comp expectations.

Generalist recruiters treat mobile as one bucket and send a mixed shortlist. It looks efficient on a report. It wastes a hiring manager’s week, because half those profiles were never going to fit the codebase.

Should we hire native or cross-platform?

Cross-platform fits when the app is mostly forms, lists, and content, and when one small team has to cover both stores. Go native when performance, hardware access, or platform-specific design detail carries the product.

Most teams land in the middle. Plenty of them run React Native for the bulk of screens and keep one native engineer per platform for the modules and the release mechanics, which works well in practice and is a much harder hire to describe in a posting than either pure option. We’d rather map that out on the intake call than sell you two searches you don’t need.

How long does a mobile developer search take?

Our average across IT searches is 17 days to first qualified submit, and most mobile roles produce a usable shortlist in three to five weeks. Contract moves faster than direct hire, usually by about a week.

Two things stretch it. Requiring both platforms in one person cuts the pool by an order of magnitude, and a full-onsite mandate outside a major metro cuts it again. You’ll hear about both on the intake call. Not in week six.

Can one engineer really cover iOS and Android?

Some can, and they’re rare enough that you should treat finding one as a bonus rather than a plan. Truly dual-platform engineers price above both single-platform bands and are usually already employed somewhere that knows what it has.

What works more often is one native specialist plus a cross-platform layer, or two contractors while you decide which side deserves permanent headcount. We’ve filled it both ways. The version that fails is the single mid-level req that quietly expects both, which is also the version that gets written when nobody wants to ask finance for a second headcount.

Do you place contract mobile developers, or only full-time?

Both. Contract, contract-to-hire, and direct hire all run through the same recruiters and the same bench, and roughly half our mobile placements start as contract engagements.

Contract suits a defined push. Think Compose migration. Or getting a v1 through review before a trade show. Direct hire suits a product with a roadmap past this quarter. Contract-to-hire splits the difference and is popular with teams hiring their first mobile engineer, because nobody wants to make that call permanently off a 45-minute panel.

Which cities do you recruit mobile talent in?

KORE1 recruits across more than 30 U.S. metros from our Irvine, California base, with the heaviest mobile volume in Southern California, the Bay Area, Seattle, Austin, and Denver.

Remote and hybrid searches run nationally. One practical note from this year. Hybrid mandates of three days or more shrink a senior mobile pool faster than almost any other constraint we track, and it’s worth knowing that before the policy hardens into a line in the posting.

What about Kotlin Multiplatform, is that worth staffing for?

It’s worth staffing for if you already have strong Android engineers and a shared business layer worth extracting. It is not a way to avoid hiring iOS talent, since the UI still gets built natively on that side.

We see it most where Android came first and the iOS app is younger, usually because a single Android team owned the roadmap for years and the business finally decided the second platform deserved real investment rather than a contractor and a prayer. Candidates who’ve run it in production are a small pool. Mostly senior, mostly employed. Our Kotlin developer staffing page covers that market in more detail.

Tell us which platform carries the revenue. We’ll size the search before you commit to it.

One call. Usually enough to split the req, price the band, and give you a real first-submit date.

Talk to a Mobile Recruiter →