Gilles Crofils

Gilles Crofils

Hands-On Chief Technology Officer

Tech leader who transforms ambitious ideas into sustainable businesses. Successfully led digital transformations for global companies while building ventures that prioritize human connection over pure tech.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.
November 2025 Launched Nook.coach. Where conversations shape healthier habits

Find your real risk dna for a tech career that fits you

Abstract:

The article argues that navigating career risk in the tech industry requires a highly personal approach, as generic advice like saving a set amount or following standard checklists fails to account for the sector’s rapid change and inherent unpredictability. It introduces the concept of “risk DNA,” suggesting that everyone’s comfort with ambiguity, independence, and financial swings is shaped by their unique experiences, values, and life stages—much like individual genetic codes that evolve over time. The guide walks readers through mapping their own risk profile using reflective exercises, psychological self-assessment tools, and a customizable matrix that balances hard metrics like savings with softer factors like purpose and autonomy. It emphasizes testing your risk tolerance through low-stakes experiments, scenario planning, and regular self-checks to ensure your decisions align with your genuine strengths and limits rather than copying others’ strategies. Distinctive examples, such as adapting risk appetite after moving to a quieter environment or noticing how you react emotionally to past decisions, illustrate how risk DNA shifts over time. The article’s core message is that by understanding and honoring your own risk DNA—through tailored assessments, micro-experiments, and scenario planning—you can confidently navigate uncertainty in tech careers, making changes not by rigid formulas but by informed, self-aware choices that match your personal profile.

What’s the real risk when you step off the beaten path in tech? For me, the decision to leave a stable corporate role was never about following a tidy formula or ticking boxes. I have lived and worked in Berlin, Beijing, and Lisbon, and each move forced me to rethink what “readiness” really means. It is not just about how much is in your bank account or whether you have checked off a list. The real question is: how do you know if you are truly prepared for the uncertainty, the stress, and the financial swings that come with leaving the corporate world?

In this article, I want to share how I learned to map my own risk DNA—my personal appetite for risk, my financial runway, and my stress capacity—using both data-driven tools and honest self-reflection. I will walk through the steps I use, from looking back at my own decisions (sometimes with regret, sometimes with pride) to building a risk matrix in a simple Google Sheet. Along the way, I’ll share stories from my own journey—like founding a science popularization company in Shanghai, or managing a multicultural team in Beijing—and how these experiences shaped my approach to risk.

If you have ever wondered why someone else’s bold leap felt right for them but wrong for you, or if you wish you could feel more confident about your next move, maybe my story can help. By the end, you will see how knowing your own risk DNA can help you face uncertainty without letting it overwhelm you. It is not always so clear, you know?

What shapes your unique risk DNA

Why generic risk advice fails in tech

I have heard the usual advice: “Save six months of expenses,” “Keep networking,” and so on. But in tech, things move fast and unpredictably. When I was CTO in Berlin, I saw entire teams restructured overnight and skills that were hot one year become obsolete the next. The typical checklist does not capture the reality of independence, ambiguity, and the constant change that comes with many tech roles. It is not only about money or ticking boxes—it is about how you react when plans keep changing. I learned this the hard way when my own startup in Shanghai faced sudden regulatory changes, and our carefully made plans became useless overnight. Copying traditional risk strategies just does not fit the tech world, at least not for me.

Risk tolerance is more than numbers

Risk tolerance is not just about how much you have saved. It is about how comfortable you are with the unknown, how much freedom you want, and how you react to surprises. Some tools, like the Intolerance of Uncertainty Scale, can help measure these things, but in my experience, these conversations rarely happen over coffee. In tech, where projects are big and stakes can be high, these softer traits really count. For some, uncertainty is exciting. For others, it is a source of stress. I have worked with people who thrived on chaos, and others who needed a clear roadmap. Knowing where you stand is key.

Tech careers amplify risk in unique ways

In tech, risk comes from all directions. Skills can age quickly as new frameworks and tools appear. Freelancing or working at a startup often means rollercoaster incomes—sometimes earning a lot, sometimes less. Flexibility is nice, but many hiring managers still worry about unexplained gaps on a resume. I have seen this myself, both as a hiring manager and as a candidate. Common risk points include:
- Skills becoming outdated
- Income ups and downs from portfolio work
- Resume gaps causing concern

So if risk is personal, how can you figure out your own profile?

Understanding the risk DNA metaphor

Everyone’s risk profile is unique

A risk profile is a lot like DNA—everyone’s is different, even if you sit next to someone doing the same job. It is shaped by your experiences, values, and work history, a mix that is unique to you. When I moved from Berlin to Lisbon, my appetite for risk shifted—I found myself valuing stability more than I did during my startup years in Beijing. Studies of risk and personality show these parts blend in ways that make everyone’s comfort with risk unique. And like DNA, your risk profile changes as you do—it is not fixed.

Your risk DNA changes with life and work

Risk DNA can shift over time. As you gain experience, move, or take up new hobbies, what you want from your work can look different. After I left Berlin for Lisbon, I realized my need for risk had changed—suddenly, I cared more about stability and purpose than chasing the next big thing. Some research shows that people who adjust their risk expectations to fit life changes often make better career choices and feel happier about them.

Why copying someone else’s risk plan rarely works

Taking someone else’s risk plan is like running a marathon in shoes that do not fit—uncomfortable and likely to cause problems. What works for a big-name founder or a freelancer in a major city might fail completely for someone else. I have seen plenty of tech stories where following others’ risk profiles too closely led to bad results. Finding your own path means tuning into what drives you, not just following what works for others.

Taking your personal risk inventory

Looking back at your risk decisions

Think back to the last risky decision you made. For me, when I co-founded a cross-border e-commerce platform in Shanghai, I realized my comfort with financial swings was higher than I expected, but I underestimated the stress of unpredictable income. Sometimes, I am asking myself, is this the right move? Writing down your thoughts in a journal or breaking down the events using methods like the STAR technique helps spot your own patterns. Focusing on key moments can show what pushed your comfort zone.

It helps to notice your in-the-moment responses. Do you freeze when faced with a big shift, or thrive? Maybe risky challenges make you feel alive, or maybe they just create stress. Watching these emotional and behavior signals will show your natural risk patterns.

Over time, you start to see trends. Some people are fine with uncertainty but not with money risk; others are the opposite. Recognizing these details is the real first step to building a risk profile that fits you. For example, maybe you like changing project directions but worry about unpredictable income. Next step: measure these comfort zones more closely.

Measuring your comfort zones

Risk is not just a single meter—it is more like several sliders for independence, uncertainty, and financial risk. When I was preparing to leave my CTO role in Berlin, I used a simple spreadsheet to score my own financial runway, weighing my savings against my expected freelance income. Tools like the Work Design Questionnaire, the CFPB Financial Well-Being Scale, or the Intolerance of Uncertainty Scale can show where you land. These tools help identify areas you find risky and areas you do not.

Numbers are not everything. Ask yourself:
- Did a sudden change in a project excite or worry you?
- How did you handle a dry spell with freelance work?
- Did setting your own hours feel good, or did it feel chaotic?

Map your reactions to past changes. Maybe freedom in a new job felt great, or maybe you missed having routines. These clues shape your risk DNA, helping you make better career choices. The better you know your comfort zones, the stronger your self-assessment.

Building your self-assessment matrix

Mixing metrics with meaning

A balanced risk profile needs both the hard numbers and a look at what matters personally. Figures like your savings or debts provide a reality check, but the softer things—like sense of purpose or what actually gets you out of bed—are important too. I use a Google Sheet template to track my risk readiness, scoring myself on financial cushion, autonomy, and stress levels. Worksheets focused on purpose or career interests are good for figuring out these points. Put together, you will see both sides of risk at work.

A simple matrix helps. On one side, note your savings, debt level, or financial cushion. On the other, score yourself on how much freedom, uncertainty, or financial swings you can handle, using real tools if you like. Imagine putting your CFPB financial score next to how at ease you are with ambiguity. Now you can spot right away where you are strong, and where you might need to be careful.

Putting these factors together leads to insights. Maybe you are financially set but hate unpredictable work, or you love new challenges but get nervous about going without a paycheck. Both are valid, and these findings give you a practical starting point for planning.

Customizing your matrix

There is no one proper template for this. Start with basics—money, uncertainty, meaning—then shift the importance of each based on your real life. Someone with a family might weigh job security more; someone else might care more about creative freedom. If independence is key, that gets a bigger slice.

Scoring tools and worksheets can help, but the most important part is being honest with yourself. It is not about collecting gold stars for being the bravest. What matters is having a real picture of your strengths and weaknesses. Sometimes it means facing up to a lower comfort with ambiguity or needing a better safety net—and that is very normal.

After moving to Lisbon, I updated my risk matrix to reflect my new cost of living and local opportunities. This is not a quiz you take once and forget; it is meant to stay useful as life moves on. Check in with your matrix regularly to keep your risk profile fresh. Once you have it, test if it holds up in the real world.

Testing your risk profile in real life

Trying out micro-experiments

If you are thinking about a big change, starting small helps. Before fully committing to freelance work, I took on a small consulting project for a Lisbon-based startup. This helped me test my comfort with uncertainty in a new market. These experiments let you check your risk profile in a low-pressure way. The key is to pay attention to what you feel and learn.

Listening to your reactions

While testing, notice your reactions. Are you excited by the challenge? Or are you stressing about pay and the unknown? Do you sleep better with flexible work, or does it leave you anxious? If even a tiny experiment feels like too much, take note. I remember feeling both energized and nervous during my first freelance project in Lisbon. Ask directly: 'Am I thriving, or just getting by?' Studies of job fit and adapting at work show these gut feelings are key clues.

When discomfort is data

If a small experiment leaves you tired or doubting, maybe your risk tolerance is not what you expected—or you need a stronger plan before making a big leap. Treat discomfort as information, not a problem. Scenario planning helps you prepare for possible outcomes and avoid surprises later.

Mapping out your future with scenarios

Planning for what-if moments

Scenario planning is not just for big companies. When I planned my transition from Berlin to Lisbon, I mapped out what would happen if my freelance projects dried up, and how I could leverage my network from previous ventures. You can map your best, worst, and likely outcomes for a big career shift. What happens if freelance work dries up, or new skills are needed quickly? What if a client vanishes or tech moves on without you? Listing these options helps you get ready, not just hope all goes well. Planning backward from your end goal—called backcasting—makes your hopes more practical.

Backcasting to spot gaps

Backcasting is about imagining your ideal future—maybe more time for mountain trips or side projects—then laying out the steps. If your dream is more free time, plan how to keep it protected once you work solo. These drills are not about perfect foresight, but about making dreams real and catching gaps before you leap.

Stress-testing your assumptions

You cannot predict the future, but you can test your ideas. Good planning means checking for leaks before sailing too far from shore. If you find weaknesses now, you are less likely to get caught by surprise later.

Spotting red flags and green lights

Warning signs your risk profile is off

Red flags show up when your profile does not fit reality. I once jumped into a new venture without a proper backup plan, and the stress quickly became overwhelming. Since then, I always check my own risk matrix before making big moves. Too much caution means missed wins. If a small setback causes a lot of stress, something is misaligned. Trouble usually comes from ignoring key risks.

Money stress, burnout, or regret are common signs something is off, like not updating your skillset or underestimating income changes. Comparing yourself to others can make this worse.

Admiring others’ bold moves but dreading them yourself is normal—your appetite for risk is simply different. Accept that, and you can make choices that work better for you. How do you know if you are really ready to jump?

Signs you are ready to move forward

Green lights show up when plans feel solid—you have got savings and past projects have gone well without big headaches. Other signs include:
- Confidence in your savings
- A streak of successful small tests
- Clear sense of what is next

You have tested your ideas, mapped out scenarios, and know how to adapt if things go sideways. You are resilient, and your plan matches your own needs. If your path is yours, not copied from someone else, that is a real green light. Now, let’s see how to put it into action.

Putting your risk DNA to work

Knowing when to make your move

Knowing your risk DNA works like a compass—it does not pick one perfect exit, but it does help see when you are actually ready. Instead of hoping for perfect timing, check your own matrix: are enough areas strong? This way, leaving a job or starting something new feels more like a decision, less like a gamble.

If you find weak spots—maybe little savings or a side project that felt wrong—those are your next steps. It is more useful to work on them than hold out for perfection.

Maybe you are missing a skill or support network. That is not a barrier, just the next item to address. Keeping your risk assessment part of your plan keeps you moving, not stuck.

Making risk DNA part of your plan

Risk DNA is not one-and-done. It is smart to update your self-assessment whenever things change—a job move, new city, or family needs. Reviewing your risk DNA means your actions match who you are now, not last year.

Your knowledge is useful beyond just quitting a job. It can guide which projects fit, how much freedom you want, or which offers to turn down. For example, my risk matrix shows I like creative work but need steady income. So, my freelance setup mixes regular contracts with side projects.

The goal is not to remove all uncertainty—it is knowing yourself enough to handle bumps along the way. When your plan is anchored in your real risk DNA, uncertainty is a challenge you can manage, not just something to avoid.

Taking new steps in tech is not just about money or lists. It is about understanding and honoring your own appetite for risk—your unique risk DNA—and letting that shape your career. Building your own risk matrix, trying small experiments, and using scenario planning can make your big moves feel solid. The reward is not avoiding every risk, but handling new challenges with clarity about your strengths and limits.

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25 Years in IT: A Journey of Expertise

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Nook
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Making health coaching feel like talking to a friend who actually gets you.

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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.

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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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Disclaimer: AI-Generated Content for Experimental Purposes Only

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.

The content produced by the AI is a result of machine learning algorithms and is not based on personal experiences, human insights, or the latest real-world information. It is important for readers to understand that the AI-generated content may not accurately represent facts, current events, or realistic scenarios.The purpose of this AI-generated content is to explore the capabilities and limitations of machine learning in content creation. It should not be used as a source for factual information or as a basis for forming opinions on any subject matter. We encourage readers to seek information from reliable, human-authored sources for any important or decision-influencing purposes.Use of this AI-generated content is at your own risk, and the platform assumes no responsibility for any misconceptions, errors, or reliance on the information provided herein.

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