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Hire Expert Kotlin Developers

For Scalable Mobile App Solutions

Build, scale, or modernize high-performance Android and mobile applications with senior-level Kotlin developers – faster onboarding, flexible engagement, and direct access to experts.

  • Senior Kotlin engineers (5–10+ years)
  • Flexible hiring: hourly / monthly / dedicated
  • 15-day risk-free trial
  • Time-zone aligned teams
Dash

Why Teams Hire Dedicated Developers from 7Span

7Span provides product-ready engineers who integrate seamlessly with your team - without enterprise overhead, slow approvals, or junior-heavy delivery models. You get speed, seniority, and accountability from day one.

Senior-Only Talent

No bench rotation. No junior staffing. You work directly with experienced engineers who have shipped real-world products.

Faster Time-to-Value

Developers onboard in days, not months - accelerating delivery without prolonged ramp-up cycles.

Product-First Engineering

We build with scalability, performance, and long-term maintainability in mind - not just short-term delivery.

Flexible Engagement Models

Scale teams up or down as needed, without rigid contracts or long-term lock-ins.

Direct Founder & Architect Access

Get strategic input and architectural guidance - not just execution - when it matters most.

Transparent Cost

Clear pricing, defined milestones, and full visibility into progress. No hidden overhead.

Easy Team Alignment

Developers work within your tools, workflows, and processes - collaborating like part of your internal team.

Proven Delivery Discipline

Strong engineering practices, clear communication, and predictable execution - without enterprise bureaucracy.

Our Hiring Process

A simple process that gives you speed, control, and the right developer, without delays.

1

Share Your Requirements

Define your project goals, team structure, and engagement needs so we align from day one.

2

Review Shortlisted Developers

Get shortlisted senior developer profiles and interview them directly to validate technical and team fit.

3

Quick Onboarding

Once approved, developers onboard within 48 hours contributing immediately.

4

Start & Scale

Begin delivery immediately with full visibility and scale the team up or down as needed.

Our Pricing Model

Straightforward pricing with flexibility to match your hiring needs.

$25 (1)

$40

per hour
1 dev

Best for short-term work, specific tasks, or flexible workloads.

Contact Us
$3000 (1)

$5,000

per month
1 dev

A dedicated developer working full-time with a predictable monthly cost.

Contact Us
Custom (1)

Custom

flexible pricing

Ideal for long-term engagements, multiple developers, or custom team setups.

Contact Us

Tech Expertise

of our Kotlin Developers

Plugins
Jetpack
Firebase
OneSignal
In-App Purchase
Google Maps
flutter ffmpeg
Social Login
mapbox
Video Call
Local Notifications
Maps
injectable
Json Serializable
Payment Gateway
Razorpay
Stripe
In-App Purchase
Braintree
Google Pay
Frameworks/Languages
Kotlin
Java
Tools & Utilities
android studio
Visual Studio Code
Postman
Version Control
Git
Github
SVN
BitBucket
Database
local storage
SQLite
Firebase Firestore
Firebase realtime database
Room Database
API Services
REST API
Code Review
Android Lint
Sonarqube
Deployment
Firebase Distribution
Apk file
Analytics
BaseCamp
Firebase Analytics
Appsflyer
Segment
UXCam
Crash Reporting
Firebase Crashlytics
Sentry
Project Management Tools
Asana
ClickUp
Jira
Slack
Trello
Aloa
Deployment Process
Cirrus
Travis
Codemagic
Bitrise
Fastlane
Android Architectures
MVC
MVP
MVVM
Clean Architecture
MVI UNIT
Testing
Golden Tests
Unit Tests
Integration Tests
UX/UI Designing
Tools
Figma
Sketch
Framer
Zeplin
Media & Entertainment

Scaling An IoT-Powered Live Streaming Platform For Creators To Broadcast In Real Time

View Case Study
Media & Entertainment

How we helped Family Social Connect bring families closer through private digital storytelling and memory preservation.

View Case Study
Banking & Finance

AI-powered bill splitting with real-time sync and smart receipt extraction.

View Case Study

We developed a secure, SEBI-compliant Fintech Platform for instant liquidity.

Parshad Barot
Founder @Liquify
image

They took our idea from concept to a production-ready platform with speed and clarity.

Joel Plaut
Founder @Reality Tech
image

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FAQs

for our Kotlin Development Services

Does the 15-day risk-free trial period have any cost?

No, there's no cost associated with the 15-day trial period. It's entirely free of charge.

Why hire Kotlin developers from 7Span?

Here at 7Span, with years of experience in Kotlin development and a “client comes first attitude,” client satisfaction is our utmost priority; from developing a strategy curated for your audience to implementing complex functionalities, all are guaranteed to ensure we meet your business goals.

Why Should I consider Kotlin for my project?

If you value code conciseness, readability, and developer experience, Kotlin would be a great choice for your project. Especially if you're working on Android development, Kotlin has become the preferred language by Google.

Can I hire a Kotlin developer for a short-term project?

Yes, we offer flexible hiring models to meet your project's needs. Whether you need a Kotlin developer for a short-term project or looking for long-term collaboration, we can accommodate your requirements.

Will I have full control over the Kotlin developer I hire?

Certainly. Your hired Kotlin developer will work as an extension of your team, allowing you to dictate their responsibilities and goals. Our team guarantees clear and efficient communication, facilitating a seamless collaboration process from start to finish.

Build Next-Gen Apps with Skilled Kotlin Programmers

Access top-tier expertise for your projects

Discover More Of Our Services

Explore our extensive range of software development services, including web application development, mobile app development, custom software solutions, and more. Dive in and explore below!

Google
Rated
4.5
Clutch
Rated
4.5
Glassdoor
Rated
5
G2
Rated
4.5
India (HQ)

201, iSquare Corporate Park, Science City Road, Ahmedabad-380060, Gujarat, India

+91 77 97 977 977
Canada

24 Merlot Court, Timberlea, NS B3T 0C2, Canada

+1 902 789-0496

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