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

Abstract:

The article explores how tech professionals can recognize early, subtle signs that their job is no longer a good fit—such as persistent “Sunday Scaries,” declining excitement over team wins, or a growing preference for mentoring over regular tasks—before burnout hits. It emphasizes that these warning signals often accumulate gradually and are easily overlooked due to adaptive routines, endurance-focused company cultures, or the “boiling frog” effect, where small discomforts become normalized over time. To surface these hidden timers, the article suggests reflective practices like journaling, mood-tracking apps (such as Daylio, MindDoc, and MoodMeter), and regular peer feedback, which together help individuals distinguish between temporary rough patches and deeper, chronic misalignments in motivation or values—especially as life events and personal priorities shift. Practical frameworks, including the Three-Circle Model and the use of assessment tools like the Maslach Burnout Inventory or PREScore™, support making informed and timely decisions about job transitions. Real-world examples, such as Camille Fournier leaving her CTO role after sensing she’d plateaued and Charity Majors switching paths when her values no longer matched her role, illustrate the benefits of acting early on these patterns. The article provides step-by-step advice for building a smooth exit plan—combining skills audits, peer input, and incremental goal-setting—while advocating for ongoing self-checks and supportive workplace cultures to avoid both denial and slow-burn burnout. Drawing on experiences from fast-paced tech hubs like Berlin and Beijing, the author concludes that tuning in to small, recurring signals enables healthier, less stressful career moves, encouraging readers to trust their instincts and act before reaching a breaking point.

Spotting the moment when a tech job starts to feel wrong doesn’t usually come with a blaring alarm. Instead, it’s a bunch of small hints—maybe a slow dip in mood or a drop in energy—that build up quietly. This piece looks at how to notice those little signs before burnout arrives, so decisions about moving on can feel calm instead of rushed.

You’ll find a practical look at the kinds of ordinary moments that mean more than they seem, like the “Sunday Scaries” or feeling oddly flat when the team celebrates a win. It’s easy to miss these signs in fast-moving tech teams, especially when company culture or your own routines make it hard to see when a job is slipping out of sync.

There’s advice for making these signals clearer. Simple tricks like journaling, mood apps, or getting feedback from coworkers can help turn fuzzy feelings into clearer patterns. You’ll also get help in figuring out the difference between a regular rough patch and the signs that this job just isn’t a fit anymore. Changes in what you value at work can suddenly make things feel off, even if nothing big changed in the job itself.

The article also covers practical frameworks and easy rules of thumb for weaving these signals into your plans, so you can leave when you’re ready instead of after things get tough. You’ll find real stories from experienced folks who made smart, healthy moves by acting on early signs instead of waiting until they couldn’t take it anymore.

By the finish, you’ll know how to spot your own hidden timers, use a mix of tools to track your motivation, and make choices based on what’s truly important—without waiting for a breaking point. If you ever find yourself wondering, “Is this just a rough patch?” this guide helps you figure out what your signals are telling you, with a little bit of humor thrown in.

Spotting hidden timers

Subtle signals

Hidden timers are those quiet signals tickling in the background that show up long before anyone really thinks about quitting their tech job. It’s not about dramatic stories—no major outbursts. Instead, these clues slip into daily tasks. Maybe a team chat suddenly feels heavy, or a small job just feels pointless. These tiny changes, easy to ignore, often show a job is winding down. Research into job transitions shows that early attitude swings or low motivation can predict when someone’s nearly ready for a change—even before obvious stress shows up.

Everyday moments

These signals come in everyday ways, but soon, they add up. For example:
- That familiar dread on Sunday night when the week ahead feels heavier than it should. Surveys say most tech professionals feel the “Sunday Scaries.”
- Feeling less excitement when the team hits a big target, even if everyone else is thrilled.
- Finding yourself more interested in coaching others than designing the next feature.

Experts in workplace well-being point out that this kind of repeating dread and fading joy are solid early flags—it’s worth paying attention when these keep coming up.

Small shifts

But why do so many seasoned pros ignore these clues? Sometimes it’s just sighing before checking emails or being annoyed about too many meetings. Some find more energy chatting with friends about new company ideas than in regular sprint meetings. For example, a senior engineer might really look forward to random coffee breaks about startups rather than project updates. According to burnout surveys, these small changes often act like those little warning birds in mines—signs a job is nearing its end.

Quantifying readiness: runway, risk, and stress

Now, here’s where I wish someone had handed me a checklist years ago. In my own journey—especially when I was running a cross-border e-commerce platform in Berlin—I learned the hard way that tracking only emotions is not enough. You need to put numbers on your readiness, too. Here’s a quick self-assessment I started using (and still do, scribbled in a Google Sheet):

  • Financial runway: How many months could I live at my current lifestyle if I quit tomorrow? (Score: 1–5, where 1 = less than 2 months, 5 = more than 12 months)
  • Risk appetite: On a scale of 1–5, how comfortable am I with uncertainty right now? (1 = not at all, 5 = bring it on)
  • Stress capacity: How much more pressure can I realistically handle? (1 = at my limit, 5 = plenty of buffer)
  • Motivation: Am I still excited to solve problems here? (1 = not at all, 5 = can’t wait for Monday)

If my total score dropped below 12, it was time to start planning an exit, not just dreaming about it. This little framework saved me from both panic-quitting and staying too long. I wish I’d used it sooner, especially during my science popularization startup days, when I let stress sneak up on me.

Why small signals go unnoticed

Getting used to discomfort

Why do so many in tech miss these signs? High performers often get so good at adjusting that feeling off becomes normal. A little tired or frustrated? Seems standard. But when it sticks around, the bigger picture gets lost. There’s something often called the “boiling frog” effect—if things get a little worse at a time, no one notices until it’s too late. Studies say getting used to discomfort can hide more serious issues, so folks don’t realize when things no longer fit.

The boiling frog

This “boiling frog” story sticks around for good reason. If things get bad slowly, people might not realize until it’s time to panic. More paperwork, less excitement, an extra half-hour here or there—easy to wave off. Only later do the warning signs stand out. The gradual drop in job satisfaction is easy to miss when it happens in slow steps.

Endurance culture

The vibe at work makes this worse. Teams that reward toughness can make folks think that feeling off is just part of the package. Endurance is praised, so pushing through feels normal. But company cultures like this can make it even tougher to spot when work isn’t working anymore. So how do you get better at noticing your own hidden timers before it’s too much?

Checklist for readiness

Here’s a quick checklist I used after a rough patch in Beijing, when I realized I was ignoring my own limits:
- How many months of expenses do I have saved? (Financial runway)
- Am I sleeping well, or waking up tired every day? (Stress capacity)
- Do I feel excited about new projects, or just relieved when meetings are canceled? (Motivation)
- If I left tomorrow, what’s my worst-case scenario? (Risk appetite)

If two or more answers felt shaky, it was time to talk with a mentor or at least take a weekend to rethink my plan. Sometimes, just writing these down made the next step obvious, even if it was just, “Take a break and eat a real lunch for once.”

Surfacing your hidden timers

Peer feedback

Journaling is a simple way to bring quiet signals into focus. Jotting down little wins, losses, or odd patterns—even weekly—can paint a clear picture of changing moods and energy. Asking yourself, “What was the most energizing and most tiring thing I did today?” helps put patterns in front of you. For those who prefer structure, digital journal tools can help keep things simple.

Mood tracking fits with journaling too. With simple mood logs or apps, it’s possible to spot if the fun is leaking out or if patience wears thin. Apps make this painless. Sometimes, a second set of eyes helps. Getting feedback from teammates or a mentor—either formal or just over coffee—can highlight stuff you may have missed. A quick, “Noticed any changes in how I’m showing up?” can bring things to light. These kinds of chats can confirm if you’re hitting a rough patch, or if there’s a more persistent pattern. Tech can support this, too, making it easier to keep track of your and others’ input.

Digital tools

Mood and habit tracking apps give you fast ways to notice when things are changing. Here are a few I’ve tried (and sometimes abandoned, if I’m honest):

  • Daylio: Log moods and activities with quick taps. Great for spotting trends when you’re too tired to write.
  • MindDoc: Encourages daily check-ins and gives insights back. It nudges you when you forget, which is both helpful and a bit annoying.
  • MoodMeter: Helps you put a label on feelings, making them easier to track—especially if you’re the type who says “fine” to everything.

Looking back at a few weeks or a month, it’s easy to see if motivation is slipping. Mixing journaling on paper and digital tracking, it gives a better view of how motivation is changing. When you get a clearer view, it’s easier to figure out what your signals are saying about what comes next.

Then there are more structured questionnaires. Tools like the Maslach Burnout Inventory or ProQOL offer a straightforward way to see if you’re heading toward burnout compared with typical patterns. These tools help put your day-to-day feelings in a bigger context.

Making sense of the signals

Patterns or outliers?

Tracking how long the tough feels last is a handy way to know if things are just tough right now or genuinely wrong. Everyone faces rough projects or coworkers—those bumps usually smooth out after a bit of rest. But feelings of boredom or frustration that stick around for weeks point to something deeper. When I was running my science company, I built a simple scoring system (inspired by my physics background) to track how often I felt “off” each week. If the number stayed high for a month, it was time to dig deeper.

To spot the difference:

Temporary dissatisfaction Deeper signals ('expiring' role) Duration Short and linked to events Long-lasting or chronic Motivation Up and down, but comes back Consistently low Value Alignment Still matches personal values Misaligned over time Physical/Emotional Short stress Ongoing symptoms Feedback No concerns Others start noticing

A useful shortlist:
- Has boredom stuck for weeks?
- More days feel flat than motivated?
- Friends or coworkers point out you seem less upbeat?
- Breaks or time off don’t help much?

If yes keeps showing up, it’s time to look closer. Sometimes, an outside viewpoint makes it clear. A friend might say, You've seemed off lately, or a mentor notes, You used to jump at new projects—what changed? These comments confirm what your gut is already whispering. But sometimes, the change is about what you care about, not just how you feel at work.

Shifting values

This kind of shift can sneak up after big life events. When I moved from Berlin to Lisbon, suddenly, the late-night hustle that once felt exciting just felt wrong. I wanted more time outside, less time in Slack. Matching your job to your current values keeps you satisfied; when things drift apart, frustration grows. Even a “dream job” can go sour if your values and the company’s split paths. The message is simple: pay attention to your priorities and whether they match your current job. Seeing these shifts early on makes setting up your exit easier and less stressful.

Integrating hidden timers into your exit plan

Readiness frameworks

Some simple models can help bring those hidden signals into your planning. The Three-Circle Model is popular—picture three circles: one for your emotional readiness, one for bank balance, and one for the company’s state. Where all three meet is an ideal spot for a job change. Tools like the ExitMap Assessment can help show where you’re ready and where you might want to prepare more.

Readiness tools

Checking in with yourself regularly keeps your exit plan real. Tools like PREScore™ put a number to your emotional readiness. You can pair this with a decision matrix: list what matters (motivation, finances, health), give each a weight, and score yourself. If your motivation dips while the rest looks fine, maybe dig deeper before quitting. Having these numbers can stop hasty decisions and help you plan a smarter move.

Quantifying readiness: a checklist

Here’s the checklist I use in my own Google Sheet (it’s not fancy, but it works):

  1. Financial runway: Months of expenses saved (score 1–5)
  2. Risk appetite: Comfort with uncertainty (score 1–5)
  3. Stress capacity: How much more pressure I can handle (score 1–5)
  4. Motivation: Excitement for the job (score 1–5)
  5. Company health: Is the company stable? (score 1–5)

Add up the scores. If the total is under 15, I know it’s time to update my exit plan, not just hope things get better. This approach helped me avoid a messy exit when I left my CTO role in Berlin—I could see on paper that my motivation and stress scores were tanking, even if my bank account looked fine.

Keeping your plan in sync

So, how do you know when it’s time? Doing regular check-ins—each month or quarter—using tools like the Entrepreneurial Exit Decision Model or Maslach Burnout Inventory can highlight slow slides before they get big. Keep it simple:
- Energy or love for the job going down?
- Emotional readiness dragging compared to financial or business side?
- Self-assessments show burnout sticking around?
- One of your Three Circles falling behind?

Ticking a lot of boxes means it could be time to look at your exit plan or prep for a bigger change soon.

Simple rules and real-world signals

Heuristics for decisions

A basic rule: if one signal—like steady dread, missing joy, or being annoyed—keeps showing up for months, it’s time to check your exit plan. This little shortcut saves you from waiting until you’re totally out of steam. It’s not about jumping at every bad week, but noticing when a pattern sticks around too long.

Lessons from tech leaders

Some tech leaders show how acting early can work well. Camille Fournier, for example, left her CTO job after seeing a lasting sense of having hit a ceiling, steering clear of burnout. Charity Majors switched out of management when restlessness and value mismatch crept in, going on to start her own company. Both made moves before it got too hard.

Peer support

Support from peers helps make these decisions clearer—and way less lonely. Keeping track of patterns, using a journal or mood app, and sharing them with a trusted person can turn fuzzy concerns into smart choices. Chatting with a friend over coffee to check in on motivation can provide the viewpoint you might be missing. Once you realize your timer’s finished, you can use these clues to build a healthier plan for what comes next.

Taking action when the timer goes off

From signals to a plan

Spotting those signals is just step one—turning them into action comes next. You might start by confirming the pattern with journaling, mood logs, and honest peer talks. If negative trends stick around, do a skills and values audit. Figure out what you want and what’s missing. Check out new roles or paths. Here’s a simple way to get going:

  1. Write down your signals—use journaling or an app.
  2. Ask for feedback—see if friends or mentors have noticed changes.
  3. List your skills and values—mark what matters now.
  4. Compare with your current job—see where the gaps are.

Once things make more sense, research other options. Shadow someone in a new field, or do informational chats. A gap analysis (current vs. target skills) can help set clear steps. Set simple goals for yourself. For example: “Finish a cloud architecture online course in three months to qualify for new jobs.” A little planning makes leaving much less scary.

A roadmap is key for a stress-free exit—line up upskilling, a money buffer, and prepare for a professional goodbye. Breaking things into smaller steps makes transitions smoother. Think of it as planning a trip: each checkpoint gets you closer, and some upfront prep avoids running into problems down the line. But how to avoid falling back into old patterns or low-level burnout while you wait?

I remember when I left Berlin for Lisbon, I built a roadmap in my notebook: three months of savings, two new skills to learn, and a list of companies to reach out to. It wasn’t perfect (I forgot to plan for the language barrier, oops), but it made the leap feel less like jumping off a cliff and more like crossing a bridge. Sometimes, it’s just about packing your bags and trusting your gut, even if your spreadsheet says “maybe wait.”

Avoiding denial and slow-burn burnout

Frequent self-checks are your best defense against ignoring the signals or slipping into slow-burn burnout. Mix simple assessments, regular check-ins with friends or mentors, and maybe a monthly calendar reminder. It’s like a smoke alarm—better to catch fires early, not once the building’s half gone. Supportive workplaces also matter.

Companies that support flexibility, open chats, or well-being programs make it easier to take care of yourself. Some examples: team health check-ins, access to wellness resources, or open-door policies to talk about stress. Even allowing a real lunch break or a “no meetings” afternoon can lighten things up so you see signals sooner. Good personal habits help too.

Taking mindfulness breaks, scheduling pauses, and anchoring your habits to supportive policies all help spot when you’re close to your limit. Simple things—stepping outside for a moment or stretching between meetings—reset your brain. As someone who’s worked in busy spots like Berlin and Beijing, I learned that listening to small signals early often leads to more successful, less stressful transitions—even if that means stopping to think before jumping ahead. Sometimes, the smartest move is to pause and trust your gut instead of waiting for a crisis.

Noticing hidden timers at work isn’t about sudden drama—it’s about spotting quiet, repeating signals before things get rough. With some tools like journals, apps, and honest chats, you can turn fuzzy feelings into clear signs. Small, regular changes in motivation are worth tracking. It’s not just about pay or targets—your energy and values matter too. Keeping a check-in routine, talking with trusted friends, and reviewing goals can make job changes way less stressful. These steps help you move before things reach a breaking point.

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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...

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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
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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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