Hire the best Kotlin developers in Latin America
400k+
ENGINEERS
14 days
to hire
100+
COVERED
30-50%
US hires
Why hire Kotlin developers through Revelo?
Rigorously vetted senior developers from Latin America who work in your timezone, ready to contribute from day one.
Interview only the best Kotlin developers
A shortlist of three to five pre-vetted candidates, hand-picked by in-market recruiters. You decide who to interview, you decide who to hire.
One platform for talent, payroll, taxes and compliance
Your team runs legally across 18 countries in Latin America. Manage your engineers without managing the infrastructure underneath them.
Local recruiting experts invested in your hire
In-market recruiters and account managers cover sourcing, offer strategy, and onboarding. They stay with you until your engineer is up and running.
Your team, your terms
Month-to-month engagements mean you're never locked into headcount you don't need. Scale up for a big push, pull back after launch.
Hire the top 1% of Kotlin developers in Latin America
Hire vetted senior developers, matched to your stack, your timezone, and your budget.
Hire Kotlin developers who can deliver this and more
Here's what you get when you hire nearshore Kotlin developers with Revelo.
Hire Kotlin developersRevelo's Kotlin developers have shipped production Android apps across fintech, healthtech, e-commerce, and enterprise software. Here are the specific areas they cover:
Native Android Application Development
Building and maintaining Android apps from the ground up using Kotlin, Jetpack Compose, and the Android SDK, including feature development, UI implementation, and release management through the Google Play pipeline.
Java-to-Kotlin Migration
Incrementally converting legacy Java codebases to idiomatic Kotlin, replacing callback chains with coroutines, and modernizing data handling with data classes and sealed classes without breaking existing functionality.
Backend Services With Kotlin
Building JVM-based APIs and microservices using Ktor or Spring Boot with Kotlin, covering REST endpoint design, database integration, and deployment in containerized environments. Useful for teams that want language consistency across mobile and server layers.
Performance Optimization and Crash Reduction
Diagnosing ANRs, memory leaks, and excessive battery draw using Android Vitals, Firebase Crashlytics, and profiling tools. Revelo engineers who focus on this area have measurably reduced crash rates and improved app store ratings for production apps with millions of installs.
Kotlin Multiplatform (KMP) Development
Sharing business logic across Android and iOS using Kotlin Multiplatform, letting teams cut duplication between platforms without giving up native UI. A growing capability for teams managing both mobile platforms with limited headcount.
Hire Kotlin developers in 4 simple steps
Get from "we need someone" to your first day together in weeks, not months.
Tell us what you're building and what kind of Kotlin developers you need: skills, experience level, team dynamics.
Three to five matched, pre-vetted candidates: identity-checked, skills-tested, human-screened. No wading through hundreds of profiles.
Run your own technical interviews. You decide who to interview and who to hire. Full control, no gatekeeping.
Make the offer. Revelo handles payroll, benefits, taxes, and compliance so you can focus on building. Your engineer ships code from day one.
10+ years making it easier to hire elite nearshore Kotlin developers
Interview pre-vetted candidates who are fluent in English and work in your timezone.
Start hiring
Why hire Kotlin developers based in Latin America?
Work synchronously with Kotlin developers in the same or overlapping US time zones. Real-time collaboration, no async tax.
What are Kotlin developers?
A Kotlin developer builds and maintains software using Kotlin, a statically typed language that runs on the Java Virtual Machine (JVM) and compiles to Android bytecode, JavaScript, or native binaries. Most Kotlin developers specialize in Android development, though a growing share work on backend services using frameworks like Ktor or Spring Boot.
Day to day, they write Kotlin code for mobile features, debug JVM performance issues, integrate REST and GraphQL APIs, write unit and instrumentation tests, and ship builds through the Android release pipeline. Strong Kotlin developers are fluent in coroutines for async work, know when to reach for sealed classes and data classes, and keep a close eye on APK size and battery impact.
What separates a good Kotlin developer from a great one is architectural judgment: whether they reach for a shared ViewModel or duplicate logic across screens, whether they catch a leaking coroutine scope before it ships.
Why hire Kotlin developers?
Kotlin is Google's preferred language for Android development, and the Android platform runs on roughly three billion active devices worldwide (Google I/O 2023). Any company shipping a native Android product needs developers who know the language deeply, not engineers who picked it up last quarter after years in Java.
The role is hard to fill in the US because demand from Google, Meta, and fintech companies like Cash App and Robinhood consistently outbids smaller engineering teams. Hiring timelines often stretch past two months, and offers frequently collapse at the compensation stage once candidates field competing bids.
Through Revelo, you tap a network of 400,000+ pre-vetted engineers based in Latin America, get a shortlist in 72 hours, and hire in 14 days on average, at 30–50% below US hiring costs. The engineers work your hours, communicate in English, and embed directly into your team.
What does it cost to hire Kotlin developers?
In the US, a mid-level software developer earns roughly $96,000-$156,000 per year and a senior earns $142,000-$220,000, according to Glassdoor. Once you add benefits, payroll taxes, and recruiter placement fees, the fully loaded cost of a senior hire runs well above the base salary alone.
Engineers based in Latin America working for US companies earn meaningfully less while operating in overlapping time zones. Based on Revelo Salary Guide 2025 data for software developers placed in US-remote roles:
| Level | Latin America Salary Range (USD/yr) | US Salary Range (USD/yr) |
|---|---|---|
| Junior | $36,000–$60,000 | $80,000–$149,000 |
| Mid-level | $48,000–$70,000 | $96,000–$156,000 |
| Senior | See revelo.com/pricing | $142,000–$220,000 |
The all-in cost through Revelo, which covers engineer compensation, compliance framework, benefits administration, and payroll, typically runs 30 to 50% below comparable US hiring costs for a senior Kotlin developer. Use the Revelo pricing calculator for the current role-specific figure.
Why hire in Latin America?
Latin America has a dense concentration of mobile engineers, and Kotlin has strong adoption across Brazil, Argentina, Mexico, and Colombia. Android's dominance in local consumer markets pushed developers toward the language early, and Kotlin communities in Brazil, Argentina, Mexico, and Colombia have grown alongside it.
The timezone argument is concrete for Kotlin work. Android teams do a lot of synchronous collaboration: design reviews, sprint planning, app store submission coordination, and crash triage. Engineers in Colombia (UTC-5), Mexico (UTC-6), and Argentina (UTC-3) share 4–8 hours of live overlap with US teams every workday, making those conversations real-time.
English fluency in the tech sector across Latin America is consistently strong, and engineers working in US-remote roles are accustomed to English-language codebases, code review, and product documentation. Engineers based in Latin America who work US-remote roles are used to English-language code review and async standups with US product teams, not just the language basics.
How to evaluate Kotlin developers
Start with coroutines. Ask a candidate to walk through how they'd handle a scenario requiring parallel API calls with error recovery. Strong candidates name structured concurrency, explain the relationship between CoroutineScope and Job, and describe what happens when one branch fails. Candidates who describe coroutines as "like threads but lighter" and stop there haven't used them under pressure.
Then probe architecture. Ask how they'd structure a feature that needs local caching, remote sync, and UI state management. Strong candidates reach for a clear pattern (MVVM, MVI) and explain the reasoning; they surface tradeoffs around StateFlow vs. LiveData and articulate when each fits. Candidates who've only inherited codebases rarely get specific about why.
Finally, test for production judgment. Ask about a crash or ANR they've debugged. Strong candidates name tools (Android Vitals, Firebase Crashlytics), describe the root cause, and explain what changed to prevent recurrence. Candidates without shipped production experience will struggle here, and that gap matters if you're running an app with millions of installs.
Why expertise matters
Why Kotlin Wins for Android Development
Kotlin's null safety system catches a class of bugs at compile time that Java lets through to production. Its concise syntax reduces boilerplate substantially: data classes replace five-method POJOs, extension functions keep code readable, and coroutines make async code look synchronous without the overhead of RxJava. Google ships first-class Jetpack libraries in Kotlin, which means the best Android tooling is designed for Kotlin first.
Common Use Cases
Native Android apps, hybrid Android/iOS projects using Kotlin Multiplatform, JVM backend services (especially where Android and server teams want a shared language), and data processing pipelines that run on the JVM. Kotlin also appears in scripting contexts: Gradle build files now default to Kotlin DSL, and Android SDK development itself is written in Kotlin.
Companies Shipping Kotlin in Production
Google, Pinterest, Trello, Evernote, and Square all moved significant portions of their Android codebases to Kotlin early, and most major Android apps shipping today are either fully Kotlin or actively migrating. JetBrains, the language's creator, uses Kotlin across its own product suite, including IntelliJ IDEA and the Kotlin compiler itself.
When Kotlin Is the Wrong Choice
If you're building exclusively for iOS with no Android surface area, Kotlin adds no value. Teams building cross-platform apps where a shared UI layer matters more than native fidelity might get further with React Native or Flutter. For backend services where the team is deeply invested in Go or Python, introducing Kotlin adds a language context switch without a clear payoff unless Android code sharing is the specific goal.
Benefits of working with Kotlin developers
Revelo's Kotlin developers have shipped production Android apps across fintech, healthtech, e-commerce, and enterprise software. Here are the specific areas they cover:
Native Android Application Development
Building and maintaining Android apps from the ground up using Kotlin, Jetpack Compose, and the Android SDK, including feature development, UI implementation, and release management through the Google Play pipeline.
Java-to-Kotlin Migration
Incrementally converting legacy Java codebases to idiomatic Kotlin, replacing callback chains with coroutines, and modernizing data handling with data classes and sealed classes without breaking existing functionality.
Backend Services With Kotlin
Building JVM-based APIs and microservices using Ktor or Spring Boot with Kotlin, covering REST endpoint design, database integration, and deployment in containerized environments. Useful for teams that want language consistency across mobile and server layers.
Performance Optimization and Crash Reduction
Diagnosing ANRs, memory leaks, and excessive battery draw using Android Vitals, Firebase Crashlytics, and profiling tools. Revelo engineers who focus on this area have measurably reduced crash rates and improved app store ratings for production apps with millions of installs.
Kotlin Multiplatform (KMP) Development
Sharing business logic across Android and iOS using Kotlin Multiplatform, letting teams cut duplication between platforms without giving up native UI. A growing capability for teams managing both mobile platforms with limited headcount.
What Is a Kotlin Developer?
A Kotlin developer builds and maintains software using Kotlin, a statically typed language that runs on the Java Virtual Machine (JVM) and compiles to Android bytecode, JavaScript, or native binaries. Most Kotlin developers specialize in Android development, though a growing share work on backend services using frameworks like Ktor or Spring Boot.
Day to day, they write Kotlin code for mobile features, debug JVM performance issues, integrate REST and GraphQL APIs, write unit and instrumentation tests, and ship builds through the Android release pipeline. Strong Kotlin developers are fluent in coroutines for async work, know when to reach for sealed classes and data classes, and keep a close eye on APK size and battery impact.
What separates a good Kotlin developer from a great one is architectural judgment: whether they reach for a shared ViewModel or duplicate logic across screens, whether they catch a leaking coroutine scope before it ships.
Why Hire Kotlin Developers?
Kotlin is Google's preferred language for Android development, and the Android platform runs on roughly three billion active devices worldwide (Google I/O 2023). Any company shipping a native Android product needs developers who know the language deeply, not engineers who picked it up last quarter after years in Java.
The role is hard to fill in the US because demand from Google, Meta, and fintech companies like Cash App and Robinhood consistently outbids smaller engineering teams. Hiring timelines often stretch past two months, and offers frequently collapse at the compensation stage once candidates field competing bids.
Through Revelo, you tap a network of 400,000+ pre-vetted engineers based in Latin America, get a shortlist in 72 hours, and hire in 14 days on average, at 30–50% below US hiring costs. The engineers work your hours, communicate in English, and embed directly into your team.
What Does It Cost to Hire a Kotlin Developer?
In the US, a mid-level software developer earns roughly $96,000-$156,000 per year and a senior earns $142,000-$220,000, according to Glassdoor. Once you add benefits, payroll taxes, and recruiter placement fees, the fully loaded cost of a senior hire runs well above the base salary alone.
Engineers based in Latin America working for US companies earn meaningfully less while operating in overlapping time zones. Based on Revelo Salary Guide 2025 data for software developers placed in US-remote roles:
| Level | Latin America Salary Range (USD/yr) | US Salary Range (USD/yr) |
|---|---|---|
| Junior | $36,000–$60,000 | $80,000–$149,000 |
| Mid-level | $48,000–$70,000 | $96,000–$156,000 |
| Senior | See revelo.com/pricing | $142,000–$220,000 |
The all-in cost through Revelo, which covers engineer compensation, compliance framework, benefits administration, and payroll, typically runs 30 to 50% below comparable US hiring costs for a senior Kotlin developer. Use the Revelo pricing calculator for the current role-specific figure.
Why Hire Kotlin Developers in Latin America?
Latin America has a dense concentration of mobile engineers, and Kotlin has strong adoption across Brazil, Argentina, Mexico, and Colombia. Android's dominance in local consumer markets pushed developers toward the language early, and Kotlin communities in Brazil, Argentina, Mexico, and Colombia have grown alongside it.
The timezone argument is concrete for Kotlin work. Android teams do a lot of synchronous collaboration: design reviews, sprint planning, app store submission coordination, and crash triage. Engineers in Colombia (UTC-5), Mexico (UTC-6), and Argentina (UTC-3) share 4–8 hours of live overlap with US teams every workday, making those conversations real-time.
English fluency in the tech sector across Latin America is consistently strong, and engineers working in US-remote roles are accustomed to English-language codebases, code review, and product documentation. Engineers based in Latin America who work US-remote roles are used to English-language code review and async standups with US product teams, not just the language basics.
How to Evaluate Kotlin Candidates
Start with coroutines. Ask a candidate to walk through how they'd handle a scenario requiring parallel API calls with error recovery. Strong candidates name structured concurrency, explain the relationship between CoroutineScope and Job, and describe what happens when one branch fails. Candidates who describe coroutines as "like threads but lighter" and stop there haven't used them under pressure.
Then probe architecture. Ask how they'd structure a feature that needs local caching, remote sync, and UI state management. Strong candidates reach for a clear pattern (MVVM, MVI) and explain the reasoning; they surface tradeoffs around StateFlow vs. LiveData and articulate when each fits. Candidates who've only inherited codebases rarely get specific about why.
Finally, test for production judgment. Ask about a crash or ANR they've debugged. Strong candidates name tools (Android Vitals, Firebase Crashlytics), describe the root cause, and explain what changed to prevent recurrence. Candidates without shipped production experience will struggle here, and that gap matters if you're running an app with millions of installs.
Why Kotlin Expertise Matters
Android teams across every vertical are in the middle of a migration right now. Codebases that were 100% Java three years ago are now hybrid, and hybrid codebases are expensive to maintain without developers who understand both the interop layer and the Kotlin-idiomatic patterns that replace old Java constructs.
Companies that staff Android teams with developers who know Java but haven't internalized Kotlin end up with fractured codebases: some features written with coroutines and sealed classes, others still relying on callback chains. That inconsistency slows onboarding, creates friction in code review, and produces bugs at the seams between old and new code.
The hiring market reflects this pressure. Mid-market companies that deferred their Java-to-Kotlin rewrite during earlier growth phases are now running that migration, and it's pulling Kotlin-specific hiring demand up with it. Senior Kotlin developers with production experience in complex apps are scarce, and companies like Google, Meta, and Spotify pay well above what most mid-market teams can match on base salary alone.
How Revelo Vets Kotlin Developers
Every Kotlin developer in Revelo's network clears a multi-stage screen before appearing on any shortlist. Every Kotlin developer clears this screen before ever appearing on a shortlist, and only the top ~2% of applicants make it through.
It starts with a profile and AI-assisted review of work history, GitHub activity, and project scope. Candidates who clear that move to an English fluency assessment covering professional communication in written and spoken form. From there, a Kotlin-specific technical screen probes language fundamentals: coroutines, extension functions, null safety, and JVM memory behavior.
Candidates who pass the technical screen complete a hands-on Android challenge, which tests architecture decisions, code quality, and test coverage under realistic constraints. A soft-skills evaluation runs in parallel, covering how candidates communicate tradeoffs and handle ambiguous requirements.
The final stage is a live senior engineering interview, conducted by Revelo's in-market engineering team. When you request a shortlist, you're choosing from engineers who've already cleared every one of those stages, along with candidate preview videos so you can assess communication style before scheduling a single interview.
Where Revelo Wins
| Factor | Revelo | US Recruiting / Staffing Firms |
|---|---|---|
| Time to shortlist | 72 hours | 2–4 weeks |
| Average time to hire | 14 days | 6–10 weeks |
| Senior Kotlin developer cost (annual) | See revelo.com/pricing | $142,000–$220,000+ |
| Vetting rigor | Multi-stage: technical screen, coding challenge, live engineering interview | Varies; often a single recruiter screen |
| Timezone overlap with US teams | 4–8 hours daily | Full overlap but at US cost |
| Compliance and payroll | Agent of Record model across 18 Latin American countries, as one vendor with indemnity backing | Client manages or uses separate EOR vendor |
| Risk-free trial | 14 days, no cost if not a fit | Typically none |
| Contract commitment | Month-to-month, no cancellation penalty | Often fixed-term or placement fee structures |
Benefits of Building With Kotlin
Why Kotlin Wins for Android Development
Kotlin's null safety system catches a class of bugs at compile time that Java lets through to production. Its concise syntax reduces boilerplate substantially: data classes replace five-method POJOs, extension functions keep code readable, and coroutines make async code look synchronous without the overhead of RxJava. Google ships first-class Jetpack libraries in Kotlin, which means the best Android tooling is designed for Kotlin first.
Common Use Cases
Native Android apps, hybrid Android/iOS projects using Kotlin Multiplatform, JVM backend services (especially where Android and server teams want a shared language), and data processing pipelines that run on the JVM. Kotlin also appears in scripting contexts: Gradle build files now default to Kotlin DSL, and Android SDK development itself is written in Kotlin.
Companies Shipping Kotlin in Production
Google, Pinterest, Trello, Evernote, and Square all moved significant portions of their Android codebases to Kotlin early, and most major Android apps shipping today are either fully Kotlin or actively migrating. JetBrains, the language's creator, uses Kotlin across its own product suite, including IntelliJ IDEA and the Kotlin compiler itself.
When Kotlin Is the Wrong Choice
If you're building exclusively for iOS with no Android surface area, Kotlin adds no value. Teams building cross-platform apps where a shared UI layer matters more than native fidelity might get further with React Native or Flutter. For backend services where the team is deeply invested in Go or Python, introducing Kotlin adds a language context switch without a clear payoff unless Android code sharing is the specific goal.
The Bottom Line
Kotlin is the language Android development runs on, and experienced Kotlin developers are in short supply in the US market. Demand from Google, Meta, Spotify, and well-funded fintech teams consistently pushes compensation beyond what most mid-market engineering budgets can sustain, and hiring timelines of 6–10 weeks create real delays for teams with product commitments.
Latin America offers a practical alternative. Engineers in Brazil, Colombia, Mexico, and Argentina bring deep Kotlin and Android experience, work in overlapping time zones, and cost 30–50% less than comparable US hires on a fully loaded basis. Through Revelo, the process of getting to a vetted shortlist takes 72 hours, and most clients close a hire within 14 days.
Ready to hire Kotlin developers? Start your search at Revelo.
Frequently asked questions
Everything you need to know about hiring Kotlin developers through Revelo.
How much does it cost to hire Kotlin developers through Revelo?
All-in monthly costs run roughly $4,600–$5,600 for junior, $5,800–$7,500 for mid-level, and $7,200–$10,700 for senior developers: engineer compensation, PEO coverage, and Revelo's margin combined. No placement fee, no surprise invoices.
How quickly can I hire Kotlin developers through Revelo?
You'll see a curated shortlist of matched, pre-vetted candidates within 72 hours, and most companies make a hire within 14 days of sharing their requirements.
What is Revelo's vetting process for Kotlin developers?
Every candidate is identity-checked, skills-tested, and human-screened: technical assessments matched to their stack, soft-skills and English-fluency interviews, and review by in-market recruiting experts before they ever reach your shortlist.
What engagement models does Revelo offer for Kotlin developers?
Month-to-month, full-time engagements, with no long-term lock-in. Scale up for a big push or pull back after launch as your roadmap evolves, with a 14-day risk-free trial on every hire.
What happens after I hire Kotlin developers through Revelo?
Revelo handles payroll, benefits, taxes, and compliance across 18 countries, and your dedicated account manager stays with you through onboarding and beyond. Your engineer ships code from day one.
How quickly can I hire a Kotlin developer through Revelo?
Revelo delivers a shortlist of vetted Kotlin candidates in 72 hours. Most clients complete interviews and extend an offer within 14 days of starting the search. That's a faster cycle than most US engineering searches, which routinely stretch well past a month once interviews and competing offers are factored in.
What does a Kotlin developer cost through Revelo?
All-in costs through Revelo, covering engineer compensation, compliance framework, benefits administration, and payroll, typically run in the range published on the Revelo Salary Guide for senior backend and mobile roles, which lands well below the $142,000–$220,000 US comparable. Use the Revelo pricing calculator for the exact current figure by seniority.
How does Revelo vet Kotlin developers?
Every candidate clears a multi-stage process: profile review, English fluency assessment, a Kotlin-specific technical screen, a hands-on Android coding challenge, and a live senior engineering interview. Only the top ~2% of applicants make it into the network. You receive candidate preview videos before any live interview.
What engagement model does Revelo use?
Revelo acts as Agent of Record for the independent contractors it engages on behalf of clients. Under this model, the expert remains an independent contractor, not a Revelo or client employee. Revelo uses commercially reasonable efforts to structure the engagement, including the contractual framework and payment mechanics, in a manner intended to comply with applicable tax and labor law. Revelo structures and administers the engagement, including compliant local contracts, invoicing, payment, and benefits administration, across 18 LATAM countries, as one vendor. Engagements are month-to-month with no long-term contract, and there are no penalties if a hire doesn't work out; Revelo backfills as needed.
What if the Kotlin developer isn't the right fit?
Revelo offers a 14-day risk-free trial. If the engineer isn't the right fit within those first 14 days, there's no cost to you. After the trial, the engagement runs month-to-month with no cancellation penalty and no long-term commitment.
Which Latin American countries does Revelo hire Kotlin developers from?
Revelo places Kotlin developers from across Latin America, with strong candidate density in Brazil, Colombia, Mexico, and Argentina. Each market has a mature Android development community and engineers experienced in US-remote roles.
Do Revelo Kotlin developers work in my timezone?
Yes. Engineers based in Colombia, Mexico, and Argentina share 4–8 hours of live overlap with US teams every workday, covering the full range of synchronous collaboration that Android development requires: sprint planning, design reviews, and crash triage.
Our Kotlin developers know these tech stacks and more
Our talent is experienced in these libraries, APIs, platforms, frameworks, and databases.
Ready to hire Kotlin developers?
See a curated shortlist of pre-vetted candidates in 72 hours. Only pay if you hire.