Hire Kotlin Developers With
Kotlin Expertise
Cypherox provides Kotlin developers who build and maintain Android applications using Jetpack Compose, coroutines and the Android SDK, connecting to backend systems so your app performs reliably in production.
Built for Confidential,
Production Work
Every engagement starts with a signed NDA and a clear data handling agreement, so your code, architecture and business logic stay protected throughout development and beyond.
Confidentiality protected at every stage.
Signed NDA Agreements
Every project begins under a mutual non disclosure agreement before any code or data changes hands.
Secure Development Practices
Access to code repositories and environments is controlled and limited to the engineers assigned to your project.
Data Handling Controls
Client data and credentials are handled under agreed protocols and never shared beyond the delivery team.
IP Ownership
Clarity Code, designs and documentation produced during the engagement belong to you, not to Cypherox.
Hire Pre-Vetted Developers for Your Team
Every developer is screened for technical depth, communication and delivery discipline before being matched to your project.
Alex
Senior iOS Developer
Available NowBuilds production-grade iOS apps with clean architecture, reactive Combine pipelines and smooth UI animations. Experienced with UK startups & enterprise platforms.
Skills:
Sarah
Lead iOS & Mobile Architect
Available NowSpecializes in modular VIPER and Composable Architecture (TCA), ARKit features, biometric security and enterprise CI/CD test automation.
Skills:
David
Senior iOS & API Engineer
Available NowFocuses on offline-first database sync, real-time WebSocket feeds, Apple Pay integrations and backend API orchestration for consumer apps.
Skills:
Results From Real
Engineering Work
A look at how dedicated developers have supported real product and delivery work across different technical environments.
Next-Gen Mobile Banking & Wealth Platform
Hire Developers on Terms
That Fit Your
Project
Choose the engagement model that fits your timeline, budget and how much control you want over day to day delivery.
Hourly Hiring
Bring in a developer for specific tasks, code reviews or short term work without a long term commitment.
- Pay only for hours worked
- No minimum monthly commitment
- Scale up or down as needed
- Fast to start
Dedicated Monthly
A developer works exclusively on your project every month, integrated into your team and delivery process.
- Full time focus on your project
- Consistent developer across sprints
- Direct communication with your team
- Predictable monthly cost
Fixed Cost Solution
A defined scope, timeline and cost agreed upfront, suited to projects with clear requirements from the start.
- Scope agreed before work begins
- Cost certainty from the outset
- Milestone based delivery
- Fits well defined projects
Get Started
Share a few details about your project and the type of developer or team you are looking for and we will follow up to discuss next steps.
The Technology Behind
Our Developers
Kotlin developers work across established Android frameworks and integration tools suited to production app requirements.
Developers Who Understand Your Industry
The right Kotlin developer depends on the functionality your app needs to support and the systems it must connect to.
Ecommerce and Retail
Retail apps need Kotlin developers who can build browsing, checkout and account features that hold up during peak shopping periods.
- Builds shopping and checkout flows connected to inventory systems.
- Supports push notifications for offers and order updates.
- Optimises performance for peak traffic periods.
Healthcare
Healthcare apps need Kotlin developers who can handle sensitive data responsibly while keeping the app usable for patients and staff.
- Builds secure, compliant handling of patient data.
- Supports appointment booking and record access features.
- Designs with accessibility as a core requirement.
Financial Services
Finance apps need Kotlin developers who can build secure transaction features without adding friction to the user experience.
- Builds secure transaction and account management features.
- Supports compliant authentication and data handling.
- Integrates with core banking or payment systems.
On Demand and Marketplace
Marketplace apps need Kotlin developers who can support two sided user flows and real time updates reliably.
- Builds separate but consistent buyer and seller experiences.
- Supports real time booking and status update features.
- Scales to handle concurrent user activity reliably.
What Our
Clients Say
Feedback from teams who have worked with Cypherox developers on real projects, across different engagement models.
Why Teams Choose Cypherox Developers
Developers are positioned as delivery capacity within your engineering process, not as a separate outsourced function.
Hire Kotlin
Developer Questions
These are the questions we hear most often from teams evaluating a Kotlin developer hire, covering platforms, pricing, process and ongoing support.
This depends on the size of the codebase and how much ongoing development is planned. A gradual migration alongside new feature work is often more practical than a full rewrite.
Yes, Kotlin developers can work alongside backend engineers so the app and its APIs are designed to work together from the start.
Timelines depend on the skill set and availability required. Once your requirements are confirmed, we match you with a suitable developer and agree on a start date.
Yes, we review the existing codebase first to assess its condition, then advise whether to continue building on it or move toward a modernised rebuild.
Apps are tested across devices android versions and real usage scenarios to catch issues before they reach the Play Store.
Yes, architecture is designed with growth in mind from the start, so scaling does not require a full rebuild once usage increases.
Developers can continue on an ongoing basis for maintenance, new features or scaling work, using the same hourly, dedicated or fixed cost models available from the start.