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.
April. 2025 Eager to Build the Next Milestone Together with You.

Abstract:

Technology and engineering leaders face the challenge of balancing product stability and rapid innovation to ensure long-term success. This requires prioritizing ongoing innovation while addressing existing user needs through robust quality assurance, performance monitoring, and proactive customer feedback management. Managing technical debt is also crucial, involving the need to address suboptimal solutions and invest in modern technologies through refactoring and rearchitecting. Additionally, fostering a culture of continuous learning and adaptation equips teams with the skills to stay competitive in a rapidly changing technological landscape.

Create an abstract illustration that visualizes the intricate balance in the tech industry, between the stable product and rapid innovation, represented through various shades of blue. Depict two contrasting yet interconnected worlds: one epitomized through solid, reliable structures, emblematizing product stability and quality assurance, evident through signifiers like fortified towers or bridges. The second world should be characterized by fluid shapes and swift lines symbolizing the fast-paced nature of innovation and continuous learning. Link these worlds with bridges or pathways, illustrating the process of managing technical debt and modern technologies transition. Include feedback loops and proactive customer engagement symbols in this abstract landscape that embodies the continuous journey of adaptation and growth in technology and engineering. Notably, the image should highlight the balance's importance in achieving long-term success.

intriguing introduction highlighting the challenge of balancing innovation and stability

Let me start with a question: Remember when Facebook introduced its algorithmic news feed back in 2006? It was a monumental leap in innovation but sparked outrage among users who missed the old chronological feed. This tug-of-war between **pushing the frontier of innovation** and **maintaining stability** isn't just a Facebook dilemma; it's a universal challenge in tech development. It's like walking a tightrope where you must balance on one side to advance groundbreaking ideas while providing a stable, reliable experience on the other. Hitch up the innovation pants too high, and the whole system might come crashing down due to unforeseen bugs or unmet user expectations. Keep it too low, and users might grow bored or frustrated, feeling left behind in a static, unchanging environment.

In my experience, the *secret sauce* lies somewhere in between. The demand to stay relevant in a fast-paced industry often conflicts with the need to ensure a smooth and predictable user experience. Yet, this balance is crucial for the long-term success of any tech company. As we navigate the tech development landscape, recognizing this tension helps us craft strategies that allow for innovative leaps without losing our footing. So, how do we keep this precarious balance? Let's explore some key strategies that can help us achieve that sweet spot.

prioritizing ongoing innovation while addressing existing user needs

Balancing the continuous drive for innovation with the necessity to meet existing user needs is like juggling flaming torches while riding a unicycle—tricky but exhilarating! As Chief Technology Officer, I’ve often found myself in the hot seat, trying to prioritize new features without alienating a loyal user base. It's a delicate dance, but it must be mastered to ensure sustainable growth and user satisfaction.

One key strategy is establishing a robust quality assurance (QA) and performance monitoring framework. Think of it as installing guardrails on a racetrack. Innovation can sometimes lead to unpredictable hiccups, and that's where a stringent QA process steps in to catch potential issues before they reach the end-users. Comprehensive testing not only helps in identifying bugs but also ensures that new features integrate seamlessly with the existing system.

role of quality assurance and performance monitoring

Quality assurance isn't just about finding bugs; it's about ensuring that every new feature provides value without compromising the stability of the product. Performance monitoring tools help keep an eye on how the system behaves in real-time, alerting us to any anomalies that could disrupt the user experience. Through these tools, we can take proactive measures to fix issues swiftly, ensuring that innovation doesn't come at the cost of reliability.

proactive customer feedback management

Another critical aspect is proactive customer feedback management. It’s akin to having a direct line to your audience's thoughts and feelings about your product. Engaging with users through surveys, support tickets, and social media channels provides invaluable insights that drive meaningful improvements. This feedback loop not only helps in identifying pain points quickly but also in fine-tuning future innovations based on real user needs.

  • Surveys: Simple, short questions can yield a treasure trove of information about user satisfaction and feature requests.
  • Support tickets: They provide a detailed look at the issues users face, offering clues for areas needing improvement.
  • Social media: An open forum where users freely share their experiences, both good and bad.

Innovative ideas are only as good as their execution and reception. Continuously iterating on feedback closes the loop between innovation and user satisfaction, ensuring we're moving in the right direction. It's almost like a chef crafting the perfect recipe, tweaking ingredients based on diner reviews until the dish is just right.

In summary, prioritizing ongoing innovation while addressing current user needs is a thrilling balancing act. Robust QA processes, performance monitoring, and vigilant customer feedback management form a solid foundation that makes this act possible. By listening to users and maintaining high standards, we can introduce groundbreaking features without losing the trust and satisfaction of those who rely on us daily.

managing technical debt through refactoring and investing in modern technologies

Let’s talk about a sneaky, often overlooked aspect of tech development: technical debt. Imagine technical debt as the clutter that builds up in a garage over the years. At first, it’s just a couple of boxes here and there, but ignoring it long enough turns the garage into a chaotic mess, making it hard to find and do anything efficiently. The same goes for your codebase—quick fixes, patchwork solutions, and old technologies pile up until they start hindering progress.

Technical debt isn't inherently bad; sometimes, it's necessary to take shortcuts to meet deadlines or ship a product quickly. However, like financial debt, letting it pile up without regular payments—i.e., refactoring and updating—cripples your ability to innovate. So, how do we manage this debt and keep our technological "garage" in order?

strategies for managing technical debt

First off, let’s talk about refactoring. This involves cleaning up and improving the existing code without altering its functionality. Think of it as spring cleaning your code—getting rid of redundant code, optimizing performance, and making the architecture more comprehensible. I always advocate for regular, scheduled refactoring sessions to keep technical debt at bay. It’s like scheduling a weekend each month dedicated to tidying up that cluttered garage.

Next, there's the more intensive process of rearchitecting entire systems. Sometimes, minor tweaks aren't enough, and you need to overhaul the core aspects of your technology stack. This might involve migrating to a microservices architecture, adopting newer frameworks, or redesigning data storage solutions. These changes are resource-intensive but crucial for long-term health and scalability.

investing in modern technologies

Investing in modern technologies is like buying a state-of-the-art toolbox and shelving for your garage—it makes future maintenance easier and more efficient. Embracing the latest technologies can help you manage and even reduce technical debt. Here are some practical examples:

  • Containerization and orchestration: Tools like Docker and Kubernetes streamline deployment and scaling, making it easier to manage complex applications.
  • Cloud-native solutions: Leveraging cloud services can simplify infrastructure management and provide robust, scalable solutions for business needs.
  • Continuous Integration/Continuous Deployment (CI/CD): Implementing CI/CD pipelines ensures that new code is automatically tested and deployed, reducing the risk of accumulating bugs and inconsistencies.

I remember when we started our transition to a microservices architecture. It was a massive undertaking, but it paid off by significantly reducing our technical debt and increasing our ability to innovate swiftly. The new architecture allowed developers to work more independently and deploy updates without disrupting the entire system. It was like switching from a single, cumbersome toolbox to a highly organized workspace where everything had its place, and anyone could find what they needed instantly.

Technical debt is an inevitable part of tech development, but if managed wisely through refactoring, rearchitecting, and adopting modern tools, it doesn't have to hinder innovation or stability. By keeping our technological houses in order, we can continue to push the boundaries of innovation without stumbling over yesterday's quick fixes.

fostering a culture of continuous learning and adaptation within tech teams

Let’s dive into the heart of what keeps tech teams on their toes: a culture of continuous learning and adaptation. Picture it as a garden. Just as plants need water and sunlight to grow, tech teams need knowledge and adaptability to thrive in a fast-paced industry. Staying competitive isn’t just about having the latest gadgets or software; it’s about having a team that’s hungry for knowledge and ready to roll with the punches.

This culture doesn't just materialize out of thin air—it needs nurturing. It starts with leadership setting the tone. If your team sees you constantly immersing yourself in new technologies, they’re more likely to mirror that behavior. When I first took on a leadership role, I made it a point to stay updated with industry trends and shared relevant insights with my team. It was like sprinkling water on a parched plant; it invigorated them to seek out more knowledge on their own.

actionable strategies for promoting continuous learning

Here are some practical strategies to cultivate this thirst for knowledge:

  • Encourage formal and informal learning: Support team members in attending workshops, conferences, and online courses. But don’t underestimate the power of informal learning—like lunchtime coding sessions or casual tech talks over coffee.
  • Create a safe space for experimentation: Innovation stems from experimentation. Allow your team the freedom to try out new ideas without the fear of failure. If an experiment doesn’t pan out, it’s still a learning opportunity.
  • Promote knowledge-sharing: Build an environment where team members regularly share their learnings. This can be through internal presentations, documentation, or even a dedicated Slack channel for tech tidbits.
  • Leverage mentorship programs: Pair junior team members with seasoned pros. Mentorship fosters a continual exchange of skills and insights, accelerating the learning curve for everyone involved.

Take, for instance, Google’s '20% time' policy, where employees can devote 20% of their time to projects they are passionate about. This freedom has cultivated some of Google's most successful products, including Gmail. It’s a clear testament to how encouraging exploration and creativity can yield remarkable outcomes.

embracing continuous adaptation

Of course, continuous learning is only half the battle. Equally important is the ability to adapt. Technology is a shifting landscape, and what’s a game-changer today might be obsolete tomorrow. Preparing teams to pivot when necessary ensures they are not just reactive but proactive. Emphasize the importance of agility in project management and development cycles, and celebrate instances where quick adaptation has led to success.

In essence, fostering a culture of continuous learning and adaptation is an investment in your team’s future. It keeps them sharp, nimble, and ever-ready to tackle new challenges. It's like having a team of skilled gardeners, each equipped with the know-how and flexibility to cultivate flourishing tech solutions. 🌱

wrapping up our tech journey

Reflecting on our journey, we've dug into various strategies to balance innovation with stability in tech development. The importance of maintaining a harmonious balance between pushing boundaries and providing a stable user experience cannot be overstated. Think of it as crafting a fine wine; it requires patience, precise techniques, and a bit of intuition.

We began by discussing the significance of prioritizing ongoing innovation while still addressing existing user needs. Establishing a rigorous quality assurance framework and actively managing customer feedback are essential for this delicate dance.

Next, we tackled the monster in the room: technical debt. Just like keeping your garage organized, consistent refactoring and investing in modern technologies can save future headaches and keep your codebase in top shape.

Lastly, cultivating a culture of continuous learning and adaptation within your tech teams ensures that they remain resilient and capable of navigating the evolving tech landscape. Remember, your team's curiosity and agility are your secret weapons in this ongoing battle.

So what's the takeaway? It's all about mindful tech development. By thoughtfully integrating these strategies, you can create an environment where innovation thrives without sacrificing stability. Here’s to building a future where groundbreaking ideas and reliable user experiences coexist seamlessly. And, as you march forward, never forget: balancing these aspects is an art that demands both discipline and creativity. Now, with all these tools at your disposal, you're ready to conquer the tech world's tightrope with grace and flair. Cheers to innovation at scale! 🥂

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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.
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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.
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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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