The blog
The Bluecoders blog.
Trends, lessons learned, advice and behind-the-scenes from Tech, Product and Data recruiting.
Latest articles
[ CTO Interview ]
Cécilia FilleFrom developer to multi-hat CTO: a conversation with Alexis Delaporte, CTO and co-founder of Wegrow.
Cécilia FilleThe Best Tech Recruitment Firms in France (2026)
[ News ]Cécilia FilleTech Recruitment in 2026: Market figures and trends
10 avril 2026The secrets tech recruiting firms use to hire faster
Discover how tech recruiting firms accelerate your hires in France for the hardest profiles to find on the market.
Cécilia Fille
CTO Interview24 mars 2026Interim CTO: How do you steer Tech when everything is shaking?
In the startup and scale-up ecosystem, we often picture the **CTO (Chief Technology Officer)** as a visionary architect building on a blank canvas. **Simon Tannai's** reality is radically different. Simon doesn't show up to admire stable systems; he arrives when the engine is smoking, the crew is divided, and the leadership team has lost its bearings. Being CTO when nothing is stable means accepting that code is only a tiny part of the equation. Here are the management and tech strategy lessons from his journey.
Cécilia Fille
CTO Interview16 février 2026Building a tech organization that lasts — A conversation with Robin Leboeuf, Head of Engineering at leboncoin
A conversation with Robin Leboeuf, Head of Engineering at leboncoin, on building durable tech organizations, developer experience, and engineering at scale.
Cécilia Fille
CTO Interview15 décembre 2025Building a tech team in healthcare: a conversation with Nicolas, CTO and co-founder of Klineo
Interview with Nicolas Drizard, CTO and co-founder of Klineo: his path between AI and healthcare, the data challenges, hiring, management, and how he is building a tech team in service of doctors and patients.
Cécilia Fille
CTO Interview8 décembre 2025Guillaume Robin, Head of Software Engineering: "If you reduce the job to writing code, you miss what really matters"
Interview with Guillaume Robin, Head of Software Engineering: his journey, Inarix's challenges, AI applied in the field, remote management, and his vision of the engineer's craft.
Cécilia Fille
CTO Interview24 novembre 2025Romain Kuzniak: from music to tech, then to entrepreneurship
Romain's path, from music to tech and on to entrepreneurship. A career change, a scale-up, management, and the launch of Ignito: an inspiring trajectory built on learning and resilience.
Cécilia Fille
CTO Interview17 novembre 2025Understand AI before you deploy it
Interview with Nicolas, Head of Generative AI at OCTO Technology. His path, generative AI, agents, robotics, the impact on tech recruiting, and tips for upskilling in a fast-moving field.
Cécilia Fille
CTO Interview10 novembre 2025A CTO who restructures without leaving the trenches
Thomas Barrusseau joined theTribe as technical director in 2024. He'd already worked there as a developer before going to explore other worlds — from graphics engines to fintech. When he comes back, it's to take on a project from the roots: make the organization more fluid, strengthen expertise… while keeping what makes theTribe's DNA.
Cécilia Fille
CTO Interview4 novembre 2025Lessons learned: 6 years as CTO at Taster
Dayvid K., former CTO of Taster, talks through how he built a tech team to support hypergrowth, the mistakes he'd handle differently today, and what really changes when you're a CTO at a startup.
Cécilia Fille
CTO Interview29 octobre 2025From engineering to leadership: Ludovic Fleury's journey
From developer to CEO, Ludovic Fleury shares his journey, his mistakes, and his lessons learned in building and managing tech teams, from startup to company leadership.
Cécilia Fille
CTO Interview20 octobre 2025Making data useful: a decade of lessons with Sophie Buresi
After ten years in data — across consulting, retail, and AI engagements — Sophie Buresi shares what she's learned about creating value, structuring data teams, governance, and the real business stakes behind the AI hype.
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CTO Interview13 octobre 2025From OpenClassrooms to Cocohop: the journey of a CTO turned founder
From CTO to founder, Vincent Paulin shares 15 years of lessons across startups, tech team management, and entrepreneurship with Cocohop.
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Recruitment14 août 2025What benefits to offer to recruit your co-founder CTO
Discover the key benefits to recruit a co-founder CTO: equity, technical autonomy, entrepreneurial vision, and a financial structure adapted to the journey. Practical guide with strategic questions to prepare upfront.
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Recruitment7 août 2025Hiring a Junior or Senior in Tech? The real questions to ask
Junior or senior in tech? Discover the 5-question framework to hire the right profile and avoid mistakes that cost 150% of annual salary.
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Management31 juillet 2025Transparency, direct feedback, and the right to fail: the 3 pillars of a high-performing tech team
Discover how transparency, direct feedback, and the right to fail turn tech teams into engines of innovation and performance.
Christophe Hébert
Management24 juillet 2025How to grow your developers
Discover 5 concrete levers to grow your developers, strengthen their engagement, and boost your tech team's skills.
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Management17 juillet 2025How to measure a developer's performance
How do you measure a developer's performance? Discover the right KPIs to track (and the mistakes to avoid) to manage your tech team effectively.
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Recruitment10 juillet 2025Writing an attractive job ad for tech profiles
Attractive tech job ads: 8 techniques to hire the best developers. Posted salary, precise stack, free template included.
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Recruitment3 juillet 2025Hiring in tech based on your growth stage
Complete 2025 guide: tech hiring strategies by stage (Bootstrap, Seed, Series A). Profiles, timing, budgets, and mistakes to avoid.
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Recruitment25 juin 2025The myth of "the more we hire, the faster we go"
Why does hiring more developers slow your projects down? Discover Brooks's law, the hidden costs of onboarding, and the real solutions to accelerate.
Christophe Hébert
Recruitment27 février 2025Internal vs external recruitment: pros and cons
Through the example of hiring a Tech manager, we compare the 2 methods to help you make the right choice and structure your team effectively.
Christophe Hébert
Recruitment21 février 2025When should you hire a Product Manager?
Discover when and how to hire a Product Manager to optimize the management of your product and accelerate your growth.
Christophe Hébert
Hiring17 février 2025How to assess the professional skills of a tech profile
Managers and HR: how to identify the technical skills, soft skills, and hidden talents of a tech profile? Tools, methods, and concrete advice.
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Hiring23 janvier 2025IT Hiring: Beginner's Guide to Tech Recruiting
Discover our specialized recruiters' strategies to attract the best tech talent, optimize your IT hiring, and boost your projects in 2025.
Christophe Hébert
Recruitment24 juin 2024How to evaluate sales skills during a job interview
Evaluating sales skills during an interview is critical to ensuring you hire high-performing salespeople who fit your company.
Ambroise Bréant
Recruitment24 juin 2024Hiring a great salesperson in 2024: the guide
Hiring a great salesperson is a critical step for any company looking to grow revenue and strengthen its market presence.
Ambroise Bréant
Candidate Advice11 octobre 2023Which data analyst trainings are the most recognized?
Want to become a data analyst and don't know which training to choose? This article lists the best options available to you.
Ambroise Bréant
Recruitment2 octobre 2023Developer recruitment: how to attract the right candidates?
The developer recruitment market is under pressure. We share strategies to come out on top and attract the best talent!
Ambroise Bréant- 17 juillet 2023
Tech recruiters are the best business developers
Tech recruiters have a genuinely complex job: a double sale — selling the role to the candidate, then selling the chosen candidate to the client.
Christophe Hébert 
Recruitment8 mai 2023Securing tech talent: the heart of the matter?
In the raging war for talent, securing your tech hires is central. Discover the best practices that make the difference.
Ambroise Bréant
Recruitment1 mai 2023Tech recruiting: self-taught learning or formal training?
Self-taught learning or formal training when it comes to recruiting? Discover the pros and cons of each so you can decide!
Ambroise Bréant
Recruitment24 avril 2023Mastering the first touch: tips for effective tech recruiting
This article walks through a few techniques to help you write a great outreach message.
Ambroise Bréant
Employer Brand17 avril 202310 tips for presenting your company well to candidates
Looking to hire and present your company well to candidates? Here are 10 tips to do it right!
Ambroise Bréant
News27 mars 2023Tech For Good: everything to know about this positive-impact movement
Discover Tech For Good with this article that walks you through everything you need to know about this positive-impact movement.
Ambroise Bréant
Hiring20 mars 2023Defining a persona to hire better
Looking to optimize your hiring? Start by clearly defining what you need — we show you how.
Ambroise Bréant
Recruitment6 mars 20235 tips to recruit a tech profile via LinkedIn
To recruit a tech profile on LinkedIn, you need to know the best practices. In this article, we give you 5 tips to become a pro!
Ambroise Bréant
Recruitment27 février 2023Recruit effectively on LinkedIn
LinkedIn can be an excellent recruitment tool. This article walks you through how to use it to find your dream candidate.
Ambroise Bréant
Recruitment13 février 2023GDPR compliance: the practices to know
Protecting candidate data can take the form of several concrete actions that will keep you GDPR-compliant.
Ambroise Bréant
Recruitment30 janvier 2023Tech recruiting: how to maximize your sourcing effectiveness
Sourcing is a digital method for hiring employees. But it can't completely replace a personalized approach.
Ambroise Bréant
Candidate advice23 janvier 2023Data Analyst: The essentials
Everything you need to know about the Data Analyst: their role, skills, salary, and career growth.
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News16 janvier 2023VivaTech 2022: the most innovative tech startups
VivaTech is the largest gathering of the tech community and a forum for discussing its hottest topics.
Ambroise Bréant
Candidate advice9 janvier 2023How to nail your web developer portfolio
Web developer, are you keeping an eye on the job market? Follow our tips and build a portfolio that helps you land the job you want.
Christophe Hébert
Employer Brand2 janvier 2023How to boost your tech employer brand
Everything you need to know to boost your tech employer brand, prevent disengagement among your talent, and attract the next wave.
Christophe Hébert
Recruitment12 décembre 2022How to send a rejection to a candidate
We often talk about how hard it is to source, hire, and onboard a candidate or a new employee. Articles on how to reject a candidate and what to say are rare.
Christophe Hébert
Recruitment28 novembre 2022How to manage a replacement on a tech team
The departure of a tech team member can really shake up a team. It's important to know how to handle it.
Christophe Hébert
Candidate Advice21 novembre 2022Staying attractive throughout your career
Are you a developer or a tech expert? Discover how to keep a dynamic career and attract recruiters.
Christophe Hébert
Candidate advice14 novembre 2022The 5 best PHP frameworks in 2022
Developers, looking to gain efficiency? Discover the 5 best PHP frameworks of 2022.
Ambroise Bréant
Candidate Advice7 novembre 2022The 5 most-used Python frameworks in 2022
Are you a developer wondering which Python frameworks are most useful to make your work efficient? Read our article.
Ambroise Bréant
Employer Brand31 octobre 2022Building a tech culture to recruit talent
Hiring tech profiles takes some preparation: drawing them in, running a credible interview, and managing their career properly. Learning the tech culture is a great place to start.
Christophe Hébert
Recruitment24 octobre 2022How to become a great manager in a consultancy
A manager in a consultancy has a complex role: managing consultants on assignment as well as those between assignments. They need to keep their teams busy and loyal. Managing with both rigor and care is the key to success.
Christophe Hébert
News10 octobre 2022What are the most in-demand tech jobs in 2022?
Are you a recruiter or a developer? Discover which tech jobs are most in demand in 2022: Lead Front-End Developer, DevOps, Data Scientist?
Ambroise Bréant
Recruitment3 octobre 2022How to manage your tech profiles' careers
Discover tips in this article for managing your tech employees' careers — follow them and you'll cut your turnover rate.
Christophe Hébert
Employer Brand26 septembre 2022How to retain your in-house tech talent
The tech market is in short supply, and keeping your developers is critical. Discover tips to retain them.
Christophe Hébert
Hiring19 septembre 2022Becoming a specialized recruiter: the 5 commandments
What are the steps to becoming a specialized recruiter? Here are all the tips to become the best recruiter.
Christophe Hébert
Recruitment12 septembre 2022HR Manager: 5 good reasons to keep training throughout your career
The HR manager has to make sure they and their teams are trained throughout their career. Here are the good reasons to keep learning your whole career long.
Christophe Hébert
Candidate Advice5 septembre 2022Developers: 7 tricks for a killer resume!
Discover all the tips for an unbeatable tech resume in this article!
Ambroise Bréant
Candidate advice29 août 2022How to become the developer every IT recruiter is fighting over
All our advice for becoming a must-hire developer.
Christophe Hébert
Recruitment22 août 2022Startup: which hiring process for your future developers?
Hiring a tech profile isn't easy when you're a recruiter. The language is technical. Here's our advice for nailing the challenge.
Christophe Hébert
Candidate advice15 août 2022Portrait: meet THE DevOps every startup dreams of hiring!
Are you a DevOps looking to change companies? Here's advice that will showcase you in your next interviews.
Ambroise Bréant
Recruitment8 août 2022Why are good PHP developers so hard to find?
If you recruit tech profiles, you've probably noticed that PHP profiles are hard to find. Here are the reasons behind this shortage.
Christophe Hébert
Candidate Advice1 août 2022CTO Interview: Why VueJS?
Why would a CTO choose one framework over another? Here's the debate: why use VueJS rather than ReactJS or Angular 2.
Christophe Hébert
Candidate advice25 juillet 2022Sell me this pen — what's the right answer?
The famous line from Leonardo DiCaprio in The Wolf of Wall Street (2013). If your interviewer asks you the question, here's what to answer.
Christophe Hébert
Recruitment18 juillet 2022Why is the quality of tech recruitment in free fall?
Recruitment quality depends on how recruiters are trained. Unfortunately, they haven't been trained in tech culture — and there are plenty of other reasons I'll let you discover here.
Christophe Hébert
Candidate Advice11 juillet 2022Developers: why you should be wary of big salaries
At the end of a hiring process you're offered a big salary — but watch out for what's hidden underneath.
Ambroise Bréant
Candidate Advice4 juillet 2022I'm a Developer — why Bluecoders?
Choosing Bluecoders is the assurance of having specialized tech recruiters who understand your craft. You'll be able to talk with our coaches about what you love. Discover all our tech jobs.
Christophe Hébert
Candidate advice27 juin 2022I was tired of recruiters calling me — that's why I started Bluecoders
Here is the story of Bluecoders' CEO, a tech who built his own recruitment firm for tech profiles.
Christophe Hébert
Candidate Advice20 juin 2022Web developer: why I left Paris for Lyon!
With remote work, developers can now work wherever they want — for example, leaving Paris for Lyon.
Ambroise Bréant
Candidate advice13 juin 2022Pro skills and a passion for code: let's find the balance!
Growing your skills throughout your career is essential when you're a developer.
Christophe Hébert
Candidate advice6 juin 2022Looking back on the path of a Vue.js contributor
A great interview with a lead front-end developer and his perspective on the Vue.js framework.
Christophe Hébert
Candidate advice30 mai 2022How can you raise your developer salary?
Earning more is something most people want. But should you chase a higher salary or a more interesting project?
Christophe Hébert
Candidate Advice23 mai 2022Ladies of Code Interview: The women's tech community
Female developers exist but are still too rarely put in the spotlight. Discover an interview on the topic of women in tech.
Ambroise Bréant
Candidate Advice16 mai 2022Product Managers at the heart of the product
Bluecoders adds the Product Manager market to its tech recruiting offering.
Ambroise Bréant
Candidate Advice9 mai 2022Consultancy, freelance, or permanent role — which to choose?
Discover the pros and cons of these different employment statuses. Consultancy, freelance, or permanent role — which to choose?
Ambroise Bréant
Candidate advice2 mai 2022At what stage should your data be handled by a data team?
Find out when in your growth you should hire data scientists or data analysts.
Christophe Hébert
Candidate advice25 avril 2022UX & UI designers: two roles, one product
What's the difference between a UI and a UX designer? All the explanations are in this article.
Ambroise Bréant
Candidate Advice18 avril 2022Developers: what if we worked in Lyon?
Why pick Lyon to work as a developer? Discover the city's advantages.
Ambroise Bréant
Candidate Advice11 avril 2022Being a great developer isn't enough to become a CTO
How to become a good CTO? Is it enough to be a great developer? Not just that…
Christophe Hébert
News4 avril 2022Looking back at Tech Rocks 2019
Have you heard of the Tech Rocks event? Here's our recap of the 2019 edition.
Ambroise Bréant
Candidate advice28 mars 2022Why do a career review?
A career has several phases. Are you still as motivated by your company's project? Take stock with our team of tech experts at Bluecoders.
Ambroise Bréant
Candidate advice21 mars 2022Will developer salaries drop after lockdown ends?
Covid-19 has upended work habits, especially with remote work. Will salaries go down or up after lockdown lifts?
Ambroise Bréant
Candidate Advice14 mars 2022Discord: when gamers run projects fully remote
Compared to other professions, developers know how to work fully remotely.
Ambroise Bréant
Candidate advice7 mars 2022Salaries: consultancy vs. end client
As a developer, should you join an end client or a consultancy? What are the salary differences?
Ambroise Bréant
Candidate advice28 février 20225 tips for applying to a Product Manager role
Becoming a product manager is a logical next step after being a developer. Here are our tips to get there.
Ambroise Bréant
News21 février 2022Why the current period is a major opportunity for your career?
The market for tech profiles is in shortage and talent is scarce. Companies are dreaming of hiring you!
Ambroise Bréant
Hiring14 février 2022Interview with Vincent, intern recruiter
Here's an interview with Vincent, an intern coach, on the tech recruiter craft. Why Bluecoders is the favorite firm of tech professionals.
Ambroise Bréant
Recruitment7 février 2022Why developers don't take recruiters seriously
Recruiters aren't trained in tech, and when they call a developer it's a disaster — both sides live in two different worlds.
Christophe Hébert
Recruitment24 janvier 2022Strengthen your business growth with Data Science
Data is a company's wealth. A database needs to be properly managed. Here are all our tips.
Christophe Hébert
Recruitment17 janvier 2022Successfully onboarding a developer working remotely
Remote work has become standard, especially for developers. How do you successfully onboard a developer who'll be working remotely? Here's our advice.
Christophe Hébert