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

Serverless Computing Advancements

Abstract:

Serverless architecture is transforming technology by allowing developers to build and deploy applications without the burden of managing servers. Function as a Service (FaaS) is a crucial element, enabling the management of individual functions in response to specific events. Event-driven computing is the catalyst behind serverless adoption, triggering functions based on events like user actions or system updates. Technology leaders play a crucial role in successfully implementing serverless computing, FaaS, and event-driven architecture, by understanding organizational needs, fostering innovation, and guiding their teams through this new era of computing.

Visualize an abstract digital landscape in cool blue tones representing the futuristic world of serverless architecture. This landscape features a city where buildings are constructed of flowing code and data streams, symbolizing ever-changing applications without the need for visible server infrastructure. In the city's heart, illustrate a vibrant nucleus depicting Function as a Service (FaaS), surrounded by smaller nodes interconnected and stimulated by various ripples, waves, and pulses representing different events, from user actions to system updates. Above this digital tableau, depict non-specific figures, representing technology leaders, as guiding light sources or luminous stars. Each light figure illuminates a path of innovation, leading the way through the complex terrain of serverless, FaaS, and event-driven architecture. The whole image should radiate a sense of momentous ease and boundless potential, capturing the theme of utilizing serverless technology for the seamless construction and execution of applications.
Serverless Computing: A New Era of Event-Driven Architecture and Function as a Service

Serverless Architecture: The Dawn of a New Era

Serverless architecture represents a paradigm shift in the world of technology, empowering developers to build and deploy applications without the operational burden of managing servers. As Directors of Technology, Engineering, and Chief Technology Officers (CTOs) strive to create more efficient, flexible, and scalable infrastructures, serverless computing has emerged as a powerful solution. By offloading the responsibility of server management to cloud service providers, organizations can focus on application logic, accelerate time-to-market, and reduce total cost of ownership.

Function as a Service (FaaS): The Building Blocks of Serverless

Function as a Service (FaaS) is an essential component of serverless architecture. FaaS allows developers to write, deploy, and manage individual functions, each responding to specific events. With FaaS, CTOs and Directors of Engineering can break down monolithic applications into smaller, manageable pieces. This approach offers numerous benefits, including reduced overhead, increased scalability, and faster development cycles. By adopting FaaS, organizations can allocate resources more efficiently and ensure seamless alignment with business goals.

Event-Driven Computing: The Catalyst for Serverless Adoption

Event-driven computing is the driving force behind serverless architecture and FaaS. In this model, functions are triggered by events, such as user actions, system updates, or messages from other services. This event-driven approach enables CTOs and Directors of Technology to create dynamic, decoupled systems capable of processing massive amounts of data in real time. Event-driven computing also promotes agility, resilience, and scalability, as functions can be added, removed, or modified without affecting the overall system. By embracing event-driven computing, organizations can unlock new levels of innovation and streamline their digital transformation journeys.

Serverless Computing: The Role of Technology Leaders

To successfully implement serverless computing, FaaS, and event-driven architecture, technology leaders, including CTOs, Directors of Engineering, and Directors of Technology, must develop a clear understanding of their organization's needs, goals, and limitations. By carefully evaluating the benefits and challenges of serverless, technology leaders can create a roadmap for adoption, focusing on key areas such as skills development, process alignment, and vendor selection. Moreover, they must foster a culture of innovation, encouraging teams to experiment with new technologies, share knowledge, and embrace change. In this new era of serverless computing, the role of technology leaders is more critical than ever, as they guide their organizations towards a more agile, efficient, and competitive future.

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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...

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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