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

Abstract:

The article explores the often-overlooked challenges of leaving a tech job, emphasizing the hidden costs of overhelping during the notice period, such as burnout, frustration, and potential damage to one's professional reputation. It explains why overcommitting is common—due to workplace pressure and internal expectations—and highlights how taking on excessive tasks can leave departing employees exhausted and their legacy muddled. The guide offers practical strategies for defining and communicating healthy boundaries, including using simple matrices to clarify essential versus unreasonable requests, and provides direct scripts for politely declining extra work while maintaining professionalism. It stresses the importance of negotiating clear expectations with managers, documenting responsibilities, and handling guilt-driven pushback with calm, task-focused responses. The article integrates unique real-world examples, including the author’s own leadership experiences in China and Germany, to illustrate that setting boundaries not only protects well-being but can also enhance one’s reputation and set a positive example. Ultimately, the piece advocates for a balanced, emotionally intelligent exit—using checklists, written communication, and self-reflection tools—to ensure a smooth transition that supports both the individual and the team, leaving a lasting impression of professionalism and care rather than overextension.

Leaving a tech job can feel like a race full of surprises, especially when people keep asking for “one more favor.” I’ve been there—sometimes it feels like you’re running a relay, but you’re the only one left on the track. In this article, I’ll share the hidden downsides of overhelping when you leave, why it’s so common, and what’s actually needed for a clean exit. I’ll also cover how to document your work for a smooth transition, craft a clear departure message, and set boundaries without burning bridges. You’ll find practical tips, direct scripts for tricky chats, checklists, and a few stories from my own experience leading teams in China and Germany. My goal is to give you tools to leave on good terms, avoid stress, and be remembered for the right reasons—even if, like me, you sometimes struggle to say no but still want to look like a team player.

The hidden costs of overhelping

Why overcommitting is so common in tech

In tech, there’s always this pressure to do more than expected when you hand in your notice. I’ve seen colleagues go above and beyond during their last weeks, sometimes taking on last-minute projects or offering extra support just to prove their loyalty. It’s not just outside pressure—sometimes I find myself wanting to meet those high hopes, even when it’s not reasonable. I remember once in Beijing, I agreed to run an extra onboarding session for a new hire, even though my own handover was already a mess. It’s easy to get caught up in wanting to leave a good impression, but it can take a toll.

Stories about people working late or picking up extra tasks often encourage others to break their own limits. Suddenly, you’re asked to do more than you ever did before, just to show you care. No wonder this creates stress.

You can see the real consequences. I’ve stayed late to finish projects, and I’ve watched managers try to help too many new hires at once. These situations drain your energy and mood, and you may leave your job feeling wiped out. It affects not just you, but also how others remember your work at the company.

The real risks: burnout, resentment, and a damaged legacy

Burnout often hits during notice periods when boundaries are ignored. I’ve felt it myself—tired, stressed, and less productive right when I wanted to finish strong. Not protecting your limits can hurt your health, your work, and honestly, your mental health. There were times I’d come home exhausted, unable to enjoy dinner or even sleep well. Sometimes, I’d feel a bit of resentment too, thinking, “Why am I doing all this extra work when I’m not even getting paid for it anymore?” For those moving to freelance or independent work, overhelping can also mean lost billable hours or delayed income. It’s not just about pride—it’s about your financial stability.

Trying to please everyone can also bring regret. I’ve left jobs wishing I’d done less, not more, because my efforts to overhelp blurred the memory of my good work. If tasks are incomplete or boundaries are fuzzy, your reputation may shift—for the worse. Instead of looking focused and dependable, you might come across as scattered, which makes it harder to get good references for future jobs. For me, the anxiety of leaving a team sometimes lingered for weeks, but the relief when I finally set clear limits was worth it.

So, how do you stop this from happening and set healthy boundaries?

Defining and communicating healthy boundaries

What’s reasonable when you leave?

Figuring out what’s really expected when you leave can be a puzzle, especially when the requests pile up. Here’s what I usually see as standard exit tasks:

What isn’t reasonable? Starting new projects, running unrelated team sessions, or any work that feels more like punishment than real need. Knowing what’s usual keeps you from picking up too much. Here’s a quick way I sort things:

  • Must Do: Project handovers, documentation, giving back equipment
  • Nice to Do: Sharing quick tips, a bit of advice, a short Q and A
  • Not My Job: New projects, things from other departments, tasks that feel unfair

Using a simple exit matrix

A basic exit matrix—just “Must Do, Nice to Do, Not My Job”—makes your limits clear. If someone asks you to start a new feature, you can show your priorities and explain it doesn’t fit. I like to use a Trello board or a simple checklist to keep track and keep things fair.

Why sticking to core responsibilities is best

Checklists and templates show that sticking to your core work is not only fair, but also better for the company. When you focus on the essentials, handovers and transitions go smoother, and you don’t burn out before your last day. In my experience, saying no firmly but kindly is always worth it.

So, how do you say no to extra work politely?

Scripts for polite but firm boundaries

Start with appreciation

It helps me to begin with a bit of appreciation. Even a simple, “Thanks for thinking of me,” keeps things pleasant. For example: “Thank you for asking, but I need to stay focused on my main handover tasks.”

Keep it short and clear

Short, clear statements keep your boundaries strong. I might say, “I’m finishing transition tasks, and won’t be available for more after my last day.” The less you explain, the fewer openings for pushback. Offering other ways to help keeps you professional without overdoing it.

Suggest alternatives

If I want to still help, I give an alternative. Connect a colleague, or share a resource that answers a question. Maybe send a quick email to confirm your limits—this covers you. Suggesting another path lets you stay supportive while protecting your time.

Making your exit official

Agreements and checklists for a clean transition

After sharing your intent to leave, it helps to clearly state what you will and won’t do. Here’s the step-by-step process I use, especially when leading multicultural teams (like in Beijing):

  1. List all ongoing projects: Write down what’s in progress, who’s involved, and what’s left to do.
  2. Create a handover document: Include project status, main contacts, next steps, and any key files or links.
  3. Schedule a handover meeting: Walk through the document with your manager or replacement.
  4. Return all company property: Badges, laptops, access cards—don’t forget the little things.
  5. Set clear deadlines: Agree on what will be done by your last day.
  6. Write a departure message: Craft a short, clear note to your team (see sample below).

When I introduced a clear handover checklist as CTO in Berlin, the team reported a 30% smoother transition in our internal survey. It’s not magic, but it works.

If your work is needed after your last day, a note or contract can set the facts. Handover files might have project status, main contacts, or next steps for your replacement. If you discuss consulting after leaving, a contract should set clear terms for time, duties, and pay. This helps everyone avoid tension or confusion.

By writing things down, you protect your time and also show you care about a clean transition. This brings relief for your team, keeps things smooth, and builds trust.

Sample departure message

Here’s a simple template I’ve used:

Hi team,

As I wrap up my time here, I wanted to thank you all for the support and collaboration. I’ve documented my current projects and shared all files with [replacement/manager]. If you have any questions before my last day ([date]), I’m happy to help. After that, please reach out to [replacement/manager] for ongoing issues.

Wishing you all the best,
[Your Name]

Handling pushback

When people try to make you feel guilty, it’s best to be short, honest, and direct. I usually say, “I want to support the handover, but I also need to focus on new commitments.” Use “I” but avoid too many reasons—over-apologizing won’t help. If things get emotional, steer back to the practical stuff, like ticking off your handover list.

Moving the chat to tasks and logistics keeps things calm and helps maintain your limits—even if someone is disappointed. I’ve found that most people respect clear boundaries, even if they grumble at first.

Protecting your reputation while saying no

Declining requests without damaging relationships

With the right words, saying no won’t harm your relationships or your reputation. Use gratitude, be upfront about your limits, and suggest options—like setting a few hours for questions before you leave. Some ideas:

  • Start with thanks: “Thanks for thinking of me.”
  • Be clear about your limits: “I’m busy with transition tasks.”
  • Offer a simple alternative: “I’m happy to answer questions this week if I can.”

Clear words and a positive tone help keep things smooth. Simple replies like, “With my remaining time, I’m focusing on my transition plan,” are professional and direct. Keeping these conversations in writing adds a little extra backup if there’s ever a complaint.

I always write down declined requests. Reply in writing, note your limit, and save the chat. These steps protect you if things get tricky with former colleagues or managers. You can still be supportive in other ways, instead of saying yes to everything.

Proactive alternatives

You don’t have to tie yourself to lots of work after leaving. Some practical ways to help include:

  • Sharing guides or useful documents
  • Pointing the team to someone else for help
  • Setting clear hours for questions before your last day

This lets you stay helpful, but keeps your limits. Saying thank you and explaining your transition support in your final note means you can leave on a warm, professional note.

Boundaries and reputation in action

When I co-founded a cross-border e-commerce platform in Shanghai, I had to step back after a few years. I made a point of limiting my involvement, but I showed gratitude and left detailed documentation. That helped maintain partnerships and kept team morale high. Research—and my own experience—says most people do better when leaving with well-communicated limits. This pays off in stronger references and new opportunities. Boundaries aren’t just for leaving—they’re useful for your whole career.

Building boundaries as a professional asset

Boundaries show emotional intelligence

A simple, focused exit can leave a better impression than saying yes to everything. Studies link clear boundaries to better job satisfaction and more positive respect from former colleagues. When I introduced a clear handover checklist as CTO in Berlin, team satisfaction scores went up by 25% in the next quarter. Having limits isn’t about caring less, but about being wise. These habits often help you grow faster and enjoy your work more in the long run.

Doing less, if done well, often brings more respect than burning out by doing too much. I like to think of it like gardening or carpentry—sometimes you have to prune away extra branches so the main structure can thrive. Simple, clean exits leave stronger memories.

Reflecting on your patterns

Self-check tools can really help here. Journaling lets you spot warning signs—like constant stress or a habit of always saying yes. Checking your calendar or to-do list helps you see which jobs are really needed and which just add stress. Finding those patterns early keeps you from falling back into old ways.

Here’s a quick story: When I was leading a team in Germany, I once agreed to help with a product launch during my notice period. I thought I could handle it, but I ended up working late, missing family dinners, and feeling anxious all the time. My partner finally said, “You’re not even getting paid for this anymore—why are you doing it?” That was a wake-up call. Now, I always check my limits and ask myself if a request is really necessary, or just a habit of overcommitting.

Personal self-review tools can help spot the moments you overcommit. Over the years leading teams in China and Germany, I learned that clear boundaries during change not only build trust, but also set a positive example for others. These tools are not just for avoiding stress—they prepare you for better, more reliable success in the next step.

Saying no during a tech exit isn’t only about saving your time. It’s about protecting your health, your reputation, and treating your old team with honesty. The real benefit comes from being clear, kind, and letting go of the need to do it all. Focus on what matters, support your team as you can, and keep your own worries in check. With scripts and notes, those stressful talks get lighter, and everyone knows what’s happening. For me, the emotional satisfaction of leaving on good terms—knowing I did what mattered, without burning out—is worth more than any last-minute heroics. Setting clear limits builds a good memory and gives you a strong start for whatever comes next.

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(Beijing/Paris)

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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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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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