Gilles Crofils

Gilles Crofils

Hands-On Chief Technology Officer

Based in Western Europe, I'm a tech enthusiast with a track record of successfully leading digital projects for both local and global companies.1974 Birth.
1984 Delved into coding.
1999 Failed my First Startup in Science Popularization.
2010 Co-founded an IT Services Company in Paris/Beijing.
2017 Led a Transformation Plan for SwitchUp in Berlin.
May 2025 Eager to Build the Next Milestone Together with You.

Kotlin Multiplatform: Revolutionizing App Development

Abstract:

Kotlin Multiplatform is a technology that enables code sharing between native and web projects, providing benefits like reduced development time and effort. While native development is best for platform-specific optimizations, Kotlin Multiplatform is ideal for business logic and data layer abstraction, facilitating efficient code reuse and easier maintenance across multiple platforms. It's recommended for projects with shared functionality across web, mobile, and desktop applications. Embracing Kotlin Multiplatform requires senior management in technology and engineering organizations to adapt and evolve their strategies, fostering a culture of innovation to remain competitive and agile. Despite the challenges of incorporation, the benefits of Kotlin Multiplatform are significant, propelling organizations' technology stack into the future.

Visualize an abstract, future-oriented vista where streams of digital data and coding elements seamlessly move between various platforms symbolized as floating islands. These islands signify different environments such as native, web, mobile, and desktop contexts, each harbouring its own unique milieu but intertwined via bridges composed of sparkling, blue temp_1 code. The celestial expanse above is decorated with icons and components symbolizing innovation, productivity, and interconnectedness, underscoring the core of temp_1 Multiplatform as a connector for code dissemination and a propellant for the evolution of technological strategies. The prevalent colour palette emphasises shades of blue, embodying the effectiveness, flexibility, and forward-thinking vision of temp_1 Multiplatform within the sphere of computing programming.

rhe kotlin multiplatform phenomenon

Get ready to embrace the next big thing in app development: Kotlin Multiplatform. Ever wished you could write your code once and have it work across different platforms? Kotlin Multiplatform makes this wish come true by allowing developers to share code between native mobile apps and web projects. This innovation is transforming the landscape of app development, helping developers streamline their workflows and cut down on duplicated efforts. Imagine writing significant chunks of your app’s logic and using it on both iOS and Android without having to re-code everything from scratch. It’s like getting two for the price of one, with a sprinkle of Kotlin magic! The significance is clear: with Kotlin Multiplatform, developers can save time, reduce bugs, and focus more on creating awesome user experiences rather than wrestling with platform-specific intricacies. How cool is that?

the benefits of reduced development time and effort

Let's chat about everyone’s favorite topic: cutting down on workload! Kotlin Multiplatform slashes development time and effort like a sharp knife through butter. One of the biggest perks is that you can reuse a good chunk of your code across different platforms, particularly iOS and Android. Think of the hours saved when you don't have to write the same business logic twice! Instead of juggling two different codebases, you get to focus more on making your app better and more user-friendly.

Here’s the scoop: with Kotlin Multiplatform, you can share logic, state handling, and even data validation between mobile platforms. This makes for a smoother development journey and significantly reduces the chances of introducing pesky bugs—talk about a win-win! Plus, with a unified codebase, your codes' maintainability skyrockets.

For developers, it’s like having a secret weapon that helps you deliver projects faster and with fewer headaches. And let's not forget that reduced development effort translates to cost savings for companies. Fewer work hours mean more time for other projects or, dare we say, a bit of extra leisure time? It’s a fantastic way to improve productivity while keeping everyone happy and—perhaps most importantly—sane.

So, with Kotlin Multiplatform, you’re not just saving time; you’re redefining efficiency in app development. It’s like having your cake and eating it too—except this cake makes your work life much easier.

optimization through native development vs kotlin multiplatform

When it comes to mobile app development, choosing between native development and Kotlin Multiplatform can feel like picking between two delicious desserts—each has its unique flavor and strengths. Native development is the go-to choice when you need to squeeze out every bit of performance and leverage platform-specific features. For instance, if you’re building an AR-heavy iOS game or an Android app that extensively uses device sensors, native development might be your best bet. It gives you the fine-grained control to optimize your app down to the tiniest detail.

However, this meticulous optimization comes with a cost—duplicated efforts. Here’s where Kotlin Multiplatform shines like a knight in coding armor. For applications where shared logic and data handling are critical, like e-commerce apps or social media platforms, Kotlin Multiplatform is a fantastic choice. You can write the business logic, data models, and even some parts of the UI code once and utilize them across multiple platforms. This not only saves time but reduces the chances of inconsistencies that might creep in from maintaining separate codebases.

when to choose native development

  • Performance-intensive apps: Games, augmented reality, or applications that demand the utmost performance.
  • Platform-specific features: Apps deeply integrated with platform-specific APIs or hardware features.
  • Fine-grained control: When you need to optimize every nook and cranny of your application for a specific platform.

when kotlin multiplatform is the better choice

  • Shared business logic: Apps where the core logic is consistent across platforms like CRM tools or e-commerce apps.
  • Data layer abstraction: Projects needing a unified approach to data handling and state management.
  • Development speed: When time-to-market is crucial and you need to minimize duplicated work.

So, while native development is superb for platform-specific optimizations, Kotlin Multiplatform provides an incredible framework for shared logic and easier maintenance. It's like choosing between a perfectly crafted single dessert or enjoying a versatile buffet—each has its time and place.

facilitating code reuse and easier maintenance

One of the biggest joys for developers is the ability to avoid repetitive tasks. Kotlin Multiplatform does just that by facilitating efficient code reuse and easing maintenance across various platforms. This approach is crucial for modern app development, where the efficiency of resources and time can make or break a project.

Imagine you’re creating a new feature for your mobile app. With Kotlin Multiplatform, you can write your business logic once and reuse it on iOS, Android, and even web applications. For instance, functionalities like networking, data storage, and validation can be shared across all platforms. This isn’t just a time-saver; it also enhances consistency and reduces the risk of bugs lurking in duplicated code.

But it doesn’t stop there. When we talk about easier maintenance, having a single codebase to manage those shared functionalities means updates and fixes are much simpler to roll out. No more hunting for that one bug across multiple codebases! This unified maintenance structure is a game-changer, saving both developers and businesses valuable resources.

To put it concisely, Kotlin Multiplatform acts like a Swiss Army knife in your dev toolkit, allowing you to efficiently handle multiple platforms with a single codebase. It’s not just about reusing code; it’s about doing it intelligently and ensuring your application remains robust and easier to maintain. Plus, who wouldn’t want more time for brainstorming the next big feature or maybe squeezing in that much-needed coffee break?

adapting strategies for kotlin multiplatform implementation

For senior management in tech and engineering firms, embracing Kotlin Multiplatform calls for a strategic shift. It’s not just about recognizing the tool's potential; it’s about championing a culture of continual innovation and agility. In today's competitive tech scene, staying stagnant is not an option. Here's how to adapt your strategies to take full advantage of Kotlin Multiplatform:

  • Foster a culture of innovation: Encourage your teams to experiment with Kotlin Multiplatform. Innovation thrives in environments where new ideas can be tested and iterated upon swiftly.
  • Invest in training: Equip your developers with the skills they need to effectively use Kotlin Multiplatform. Workshops, courses, and hands-on training sessions can pay huge dividends.
  • Promote agile methodologies: Implement agile practices to ensure your teams can adapt quickly to changes and incorporate Kotlin Multiplatform into their development cycles seamlessly.
  • Encourage cross-platform collaboration: Break down silos between your iOS and Android teams. Shared projects foster better communication and more efficient code reuse.
  • Lead by example: Senior management should be vocal advocates for Kotlin Multiplatform, showcasing its successes and pushing for its adoption across projects where it makes sense.

Adapting to Kotlin Multiplatform isn't just a technical move; it's a strategic one. By fostering a culture that embraces this modern approach, you set your organization on a path to faster, smarter, and more efficient app development. And let’s be honest, who doesn’t want a less stressful development cycle and more time for coffee breaks?

challenges and overcoming barriers to kotlin multiplatform adoption

Adopting Kotlin Multiplatform isn't always a sunshine and rainbows journey. Organizations may encounter several challenges that need strategic addressing. Here are some obstacles you might face and tips to overcome them:

  • Learning curve: Kotlin Multiplatform introduces new concepts and practices. Developers need time to get up to speed, so investing in training and continuous learning is crucial.
  • Tooling and ecosystem: While Kotlin Multiplatform is powerful, its tooling may not be as mature as native alternatives. Engage with the community, keep an eye on updates, and provide feedback to help evolve the landscape.
  • Integration with existing projects: Integrating Kotlin Multiplatform into existing codebases can be tricky. Start small with new features or modules to minimize disruption and gradually expand its adoption.
  • Team collaboration: When your team has spent years separating iOS and Android development, fostering cross-platform collaboration takes effort. Regular meetings and shared goals can bridge the divide.
  • Stakeholder buy-in: Convincing stakeholders to embrace a new approach can be tough. Highlight successful Kotlin Multiplatform case studies and demonstrate potential ROI to win their support.

These hurdles may seem daunting, but with a proactive approach, a commitment to learning, and a sprinkle of humor, you'll turn these challenges into stepping stones toward more efficient app development.

summarizing the impact and future promise of kotlin multiplatform

We've taken a whirlwind tour through the exciting landscape of Kotlin Multiplatform, and it's clear this technology is more than just a passing trend. The ability to share code between iOS, Android, and even web projects represents a massive leap forward in app development. Reduced development time and effort, streamlined code maintenance, and minimized bugs are just a few of the perks developers can savor.

Looking ahead, Kotlin Multiplatform has the potential to supercharge an organization's tech stack. Imagine integrating new features quickly, keeping your codebase clean and efficient, and reducing the stress levels of developers—all while cutting down costs. It’s like swapping from a crowded, grueling marathon to a breezy, scenic jog.

In short, Kotlin Multiplatform offers not just a practical toolkit but also a visionary path for modern app development. By embracing this approach, tech firms can stay ahead of the curve, delivering seamless, high-quality applications that delight users and outshine the competition.

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25 Years in IT: A Journey of Expertise

2024-

My Own Adventures
(Lisbon/Remote)

AI Enthusiast & Explorer
As Head of My Own Adventures, I’ve delved into AI, not just as a hobby but as a full-blown quest. I’ve led ambitious personal projects, challenged the frontiers of my own curiosity, and explored the vast realms of machine learning. No deadlines or stress—just the occasional existential crisis about AI taking over the world.

2017 - 2023

SwitchUp
(Berlin/Remote)

Hands-On Chief Technology Officer
For this rapidly growing startup, established in 2014 and focused on developing a smart assistant for managing energy subscription plans, I led a transformative initiative to shift from a monolithic Rails application to a scalable, high-load architecture based on microservices.
More...

2010 - 2017

Second Bureau
(Beijing/Paris)

CTO / Managing Director Asia
I played a pivotal role as a CTO and Managing director of this IT Services company, where we specialized in assisting local, state-owned, and international companies in crafting and implementing their digital marketing strategies. I hired and managed a team of 17 engineers.
More...

SwitchUp Logo

SwitchUp
SwitchUp is dedicated to creating a smart assistant designed to oversee customer energy contracts, consistently searching the market for better offers.

In 2017, I joined the company to lead a transformation plan towards a scalable solution. Since then, the company has grown to manage 200,000 regular customers, with the capacity to optimize up to 30,000 plans each month.Role:
In my role as Hands-On CTO, I:
- Architected a future-proof microservices-based solution.
- Developed and championed a multi-year roadmap for tech development.
- Built and managed a high-performing engineering team.
- Contributed directly to maintaining and evolving the legacy system for optimal performance.
Challenges:
Balancing short-term needs with long-term vision was crucial for this rapidly scaling business. Resource constraints demanded strategic prioritization. Addressing urgent requirements like launching new collaborations quickly could compromise long-term architectural stability and scalability, potentially hindering future integration and codebase sustainability.
Technologies:
Proficient in Ruby (versions 2 and 3), Ruby on Rails (versions 4 to 7), AWS, Heroku, Redis, Tailwind CSS, JWT, and implementing microservices architectures.

Arik Meyer's Endorsement of Gilles Crofils
Second Bureau Logo

Second Bureau
Second Bureau was a French company that I founded with a partner experienced in the e-retail.
Rooted in agile methods, we assisted our clients in making or optimizing their internet presence - e-commerce, m-commerce and social marketing. Our multicultural teams located in Beijing and Paris supported French companies in their ventures into the Chinese market

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Please be aware that the articles published on this blog are created using artificial intelligence technologies, specifically OpenAI, Gemini and MistralAI, and are meant purely for experimental purposes.These articles do not represent my personal opinions, beliefs, or viewpoints, nor do they reflect the perspectives of any individuals involved in the creation or management of this blog.

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