Chief of Staff Internship at Sweetch | Paris

About UsSweetch is an exciting new venture that emerged from Heetch's acquisition of ZeWay's assets in April 2025. Our mission is to (re)launch and operate a network of battery exchange stations for electric scooters in the Paris region, while also marketing the scooters that accompany them.The concept is straightforward yet ingenious: batteries are removabl…

Join Doctrine as the Chief of Staff for Revenue Strategy within our Sales division. In this pivotal role, you will collaborate closely with executive leadership to drive strategic initiatives, optimize revenue processes, and enhance our sales effectiveness. Your insights and leadership will be crucial in shaping our approach to market opportunities and ensuring alignment across teams.

Location: Paris About H H is focused on advancing superintelligence through agentic AI. The team builds AI agents that automate complex, multi-step tasks typically handled by people, aiming to expand what humans can achieve. The company values safety, responsibility, and technical ambition. Openness, ongoing learning, and collaboration shape the culture, and every team member’s perspective matters. About the Inference Team The Inference team designs and improves the infrastructure behind H-models, which power the company’s agent technology. The group’s main goals are to optimize hardware use for high throughput, low latency, and cost efficiency, so users get a seamless experience. What You Will Do Design and build scalable inference pipelines that deliver low latency and control costs. Boost model performance by optimizing memory use, throughput, and latency, using methods like distributed computing, model compression, quantization, and caching. Develop custom GPU kernels for tasks where speed is critical, such as attention mechanisms and matrix multiplications. Work closely with H’s research teams to refine model architectures and improve inference efficiency. Keep up with new research in the field, reviewing recent papers and techniques to improve memory, throughput, and latency (for example: Flash attention, Paged Attention, Continuous batching). Identify, prioritize, and implement the latest inference techniques. Requirements Technical Skills: Master’s or PhD in Computer Science, Machine Learning, or a related field. Skilled in at least one programming language: Python, Rust, or C/C++. Experience with GPU programming frameworks such as CUDA, Open AI Triton, or Metal. Knowledge of model compression and quantization methods. Soft Skills: Works well in collaborative, multidisciplinary teams. Strong communicator and comfortable presenting ideas. Eager to take on new challenges.

About Yubo Yubo is a social discovery platform designed for authentic online connections. Unlike traditional social networks, Yubo removes likes and follows, encouraging genuine interaction, especially among Gen Z users. The platform supports millions worldwide, aiming to redefine how people connect online, both now and in the future. Safety sits at the core of Yubo’s mission. The team works closely with industry experts and NGOs to set high standards for child protection and digital well-being. This commitment shapes the product and the company culture, with a focus on user protection, support, and education. Role Overview: Staff Machine Learning Engineer Machine learning is central to Yubo’s growth and product evolution. As a Staff Machine Learning Engineer, you will work at the intersection of large-scale data and ambitious technical goals. The role involves tackling challenges across a global user base, with data spanning images, text, and real-time interactions. Key Areas of Impact Content moderation for images, text, and user behaviors Building and refining recommendation systems and user engagement strategies Developing behavioral detection and trust/safety models Exploring new use cases, such as dynamic pricing and growth optimization Yubo’s machine learning infrastructure is evolving. Some existing models are not yet fully integrated, and lifecycle management processes are still maturing. As the company increases its reliance on ML, there’s a growing need for reliable, well-structured systems that can scale with demand. Many ML applications remain unexplored, offering significant room for innovation. Establishing a scalable, dependable ML operating model will be key to unlocking this potential. Location Paris or full remote.

Seetch, part of the Heetch group, is a Paris-based startup working to improve the employment conditions of VTC drivers. The company offers permanent contracts and full social coverage, and since its launch in March 2026, aims to bring 1,000 drivers on board within the year. Internship Overview This Chief of Staff internship focuses on building and refining operational processes to help Seetch reach its growth targets. The position centers on finding practical solutions to operational challenges as the company scales. It fits someone who enjoys organizing, problem-solving, and laying the groundwork for a young business. Main Responsibilities Design and automate workflows for onboarding, payroll, and customer service. Identify new channels for driver recruitment and analyze conversion rates to improve acquisition strategies. Strengthen sales materials by updating pitch scripts, creating presentation tools, and documenting common objections from drivers. Develop offers and partnerships that provide added value for drivers, such as insurance or service benefits. Requirements Currently enrolled in a business school or similar program. Works independently, stays organized, and seeks solutions. Comfortable using digital tools (Google Workspace, Excel or Google Sheets, Notion). Strong communication skills and able to connect with drivers. Handles multiple tasks at once and adapts quickly to new situations. Experience in operations or project management is a plus. What Seetch Offers Contribute to a new approach for VTC drivers’ employment conditions. Play a central role in shaping operational processes. Opportunities to grow quickly in management, organization, and process design. Work closely with a small team where individual impact is visible. Access to support and resources from the Heetch group.

AQEMIA develops new medicines for unmet medical needs, focusing on drug discovery through its proprietary QEMI platform. This platform blends physics-based modeling, statistical mechanics, and generative AI to create novel drug candidates from scratch. The team works on building entirely new molecular entities, advancing them through a pipeline of in-house projects and collaborations with leading pharmaceutical partners. Current preclinical programs are in in vivo optimization, targeting diseases without effective treatments. Over 65 professionals in Paris and London, chemists, physicists, machine learning experts, and software engineers, work together at AQEMIA. The company values collaboration and knowledge sharing, with teams tackling complex scientific problems from first principles and turning new ideas into potential therapies. Role overview The Staff Software Engineer joins the Compute team in Paris. The focus is on scaling and improving the systems that drive AQEMIA’s scientific platform. As research projects become more complex, this role ensures that compute infrastructure, workflows, and developer tools continue to support scientific progress effectively. The work directly shapes how advanced science moves from concept to production. What you will do Take responsibility for scaling and maintaining the compute systems behind AQEMIA’s scientific platform Develop and refine infrastructure, workflows, and tools to meet expanding research demands Collaborate with scientists and engineers to industrialize workflows and enhance reliability Enable researchers to run complex models and workflows efficiently Team and collaboration This position involves daily collaboration with a multidisciplinary team, including chemists, physicists, machine learning specialists, and software engineers. Sharing knowledge and solving problems together are central to how AQEMIA operates. Location This role is based in Paris.

Your Impact Join our dynamic Data and ML Platform team as a Senior Staff DataOps Engineer. Your role will be pivotal in defining our data platform strategy and architecture, facilitating enterprise-scale solutions that propel machine learning initiatives, foster engineering excellence, and unveil critical business insights. As part of the tech team at Doctolib, you will contribute to the development of innovative products and features that enhance the daily experiences of care teams and patients. What You’ll Build Your key responsibilities will include: Crafting and executing enterprise-scale data infrastructure strategies, performing comprehensive impact and cost analyses for significant technical decisions, and establishing architectural standards across the organization. Creating and optimizing intricate, multi-region data pipelines capable of processing petabyte-scale datasets, ensuring 99.9% reliability, and implementing advanced monitoring and alerting systems. Spearheading cost analysis initiatives, pinpointing optimization opportunities within our data stack, and executing solutions that minimize infrastructure costs while enhancing performance and reliability. Offering technical leadership to data engineers and cross-functional teams, conducting architecture reviews, and promoting the adoption of best practices in DataOps, security, and governance. Assessing emerging technologies, performing proof-of-concept for new data tools and platforms, and guiding the technical roadmap for data infrastructure modernization. What You’ll Bring If you feel your skill set aligns with this role, we encourage you to apply even if you don’t meet every qualification outlined below: 7+ years of experience in a similar role, such as Staff Data Platform Engineer, Staff DataOps, or Staff Site Reliability Engineer, with a proven track record in architecting and scaling robust data platforms. In-depth experience with Google Cloud Platform, and proficiency in Kubernetes & Terraform for automated deployments, alongside expertise in network and IAM security best practices. Strong technical skills in orchestrating data pipelines using Airflow or Dagster, deploying applications to the cloud, and leveraging modern data tools effectively.

Join Our TeamAdaptive ML is an innovative AI startup at the forefront of technology, specializing in the development of a Reinforcement Learning Operations (RLOps) platform. We empower enterprises to tailor and implement large language models (LLMs) into production, delivering measurable impact.Our platform provides essential infrastructure for tuning, evaluating, and serving specialized models at scale, leading the charge in task-specific LLM development and managing production-ready workflows that handle millions of requests while optimizing performance and cost across distributed systems.Our dedicated team has a rich background in creating pioneering open-access large language models. With a $20M seed investment secured from Index Ventures and ICONIQ in early 2024, we are already operational with esteemed clients such as Manulife, AT&T, and Deloitte, particularly in the travel and financial sectors — with more exciting developments on the horizon.As a Technical Staff Member, you will play a critical role in developing the foundational technologies that drive Adaptive ML, closely collaborating with our Commercial and Product teams to meet their needs. We focus on building resilient, efficient technology and conducting impactful research at scale to guide our roadmap and enhance the value we deliver to our clients.Role OverviewThis position is an open role within our Technical Staff. If you find any of the following responsibilities resonate with your skills, we encourage you to apply!As a member of the Technical Staff, your primary focus will be on enhancing our internal LLM Stack, Adaptive Harmony. We approach generative AI through a “big science” lens, merging large-scale engineering with thorough empirical research. We prioritize scalability and systematic empirical validation. We seek driven, business-oriented, and ambitious candidates eager to facilitate the real-world deployment of a highly technical product. Given the early-stage nature of this role, you will have the chance to influence our research initiatives and product development as we expand.Please note: This position requires in-person attendance at our offices located in Paris or New York.Key Responsibilities:Develop robust software using Rust, creating interfaces between user-friendly Python recipes and high-performance distributed training code operating on hundreds of GPUs.Profile and optimize GPU inference kernels utilizing Triton or CUDA, identifying memory bottlenecks and enhancing latency, along with establishing effective benchmarking for inference services.

Alice & Bob is pioneering the development of the world's first universal, fault-tolerant quantum computer to tackle the most challenging problems that humanity faces.Our vision revolves around creating a revolutionary superconducting qubit known as the Schrödinger cat qubit, which stands out in the realm of superconducting platforms by its remarkable capacity to autonomously implement quantum error correction!As a leader in the quantum race, we are in direct competition with industry giants like Google and IBM, and our growth trajectory is accelerating, thanks to securing €100 million in funding in 2025 for advancing our groundbreaking technology.Currently, we boast a diverse team of over 100 professionals including physicists, PhD candidates, engineers, and seasoned business experts, all united in our ambitious mission to redefine the future of quantum computing.About the Team:The Framework Team serves as a vital resource, collaborating across the organization with researchers and technicians, and is fundamentally woven into our operational workflows. As a Senior Software Engineer within this team, you will be instrumental in designing, developing, and maintaining top-tier software solutions. Your contributions will enhance our core products and foster innovation as you help build our proprietary software that governs hardware and the experiments we conduct. You will also take on a technical leadership role, mentoring junior engineers and influencing architectural decisions.About the Role:You will lead the definition of our service and platform architecture designed to enable agility, evolution, and scalability of our quantum computing stack. Your primary objective is to create a cohesive, maintainable, and future-proof platform that underpins experimental workflows, automation, logical systems, and ultimately facilitates the delivery of a QPU-as-a-product for high-performance computing or cloud users.Your role will be pivotal in bridging scientific R&D, data engineering, and production-grade platform design, allowing researchers and physicists to iterate swiftly without sacrificing reliability.

About VoodooFounded in 2013, Voodoo is a pioneering tech company dedicated to crafting innovative mobile games and applications aimed at entertaining users globally. With a vibrant team of 800 professionals, we have achieved an impressive 7 billion downloads and boast over 200 million active users, positioning Voodoo as the third largest mobile publisher worldwide in terms of downloads, trailing only Google and Meta. Our portfolio features hit games like Mob Control and Block Jam, alongside trending applications such as BeReal and Wizz.Our TeamAt BeReal, we prioritize authenticity in social media. By motivating our users to share unfiltered moments, we nurture genuine connections and embrace real-life experiences. Our international team has grown to over 60 members, serving more than 30 million monthly active users. Supported by Voodoo, we are committed to transforming BeReal into an iconic social network with hundreds of millions of users.Your RoleWe have developed BeReal with a compact team of elite engineers and intend to uphold this philosophy as we expand our user base to hundreds of millions. To realize this vision, we consistently release new features rapidly, outpacing other established social networks while enhancing our infrastructure. Our engineers work in agile, cross-functional teams, granting them significant autonomy in product-related decisions.Overcome thrilling technical challenges, particularly as our product handles spikes of millions of users connecting within a two-minute window.Play a key role in developing a robust architecture that can support massive scale as we attract new users and expand into new markets.Collaborate closely with product and engineering teams to innovate and implement new features for the app.Evaluate trade-offs and tackle technical challenges related to critical components of our backend systems.Engage in code and design reviews to uphold our high standards of quality.Our Technology StackInfrastructure: GCP, Kubernetes, Pub/Sub, GitHub Actions, ArgoCD.Backend: Go, Node.js (NestJS, Nx, Typescript)Frontend: Swift (iOS), Kotlin (Android).Database: Spanner, PostgreSQL, Redis.Candidate ProfileYou possess over 8 years of experience in developing APIs within distributed architectures.You have extensive experience in Go and have successfully contributed to the development of high-volume API microservices.You are self-reliant, proactive, and a strong team player with a passion for solving complex problems.You thrive in fast-paced environments and are eager to contribute to the growth of our innovative platform.

JOIN OUR JOURNEY: Become a part of Scaleway and help us redefine the sovereign cloud of the future!Since our inception in 1999, we have been at the forefront of designing secure and sustainable infrastructures tailored to empower the most ambitious enterprises.Originally recognized for our dedicated servers (Dedibox), we made a pivotal transition to cloud computing in 2015. Staying true to our core values of simplicity, flexibility, and technical excellence, we have emerged as a leading force in Europe’s cloud sector.In response to the burgeoning field of artificial intelligence, we have reinforced our commitment, backed by the Iliad Group’s substantial investment of €3 billion aimed at developing a robust, sovereign AI alternative to the dominant American and Asian players.Every day, Scaleway proudly serves a diverse clientele, from major corporations like France Télévisions and Hachette Livre to innovative startups such as Photoroom and Biolevate, and public institutions like the City of Copenhagen, leveraging our rapidly expanding portfolio of cloud and AI products including bare metal, containerization, serverless solutions, and AI technologies. Our offices are strategically located in Paris, Lille, Toulouse, Rennes, Rouen, Bordeaux, and Lyon.

Join our dynamic team at Groupe Gardinier as a Caviste in the heart of Paris. This is a fantastic opportunity for wine enthusiasts to deepen their knowledge and skills in a vibrant environment. You will be responsible for managing our extensive wine collection, providing exceptional service to customers, and contributing to our overall sales goals.

Join Talan, a leading consulting firm, as a Senior Consultant specializing in Transportation and Mobility solutions. In this full-time role based in Paris, you will leverage your expertise to drive innovative projects that enhance urban mobility and transportation strategies. Collaborate with diverse teams to deliver impactful solutions for our clients.

We are seeking a dedicated Dishwasher to join our dynamic team at Groupe Gardinier. In this role, you will play a vital part in maintaining cleanliness and organization within our kitchen. Your responsibilities will include washing dishes, utensils, and kitchen equipment to ensure our culinary team has the tools they need to create exceptional dining experiences.The ideal candidate should be reliable, motivated, and able to work efficiently in a fast-paced environment. Join us and be part of a team that values hard work and dedication!

Join Voodoo as a Staff iOS EngineerFounded in 2013, Voodoo is a leading tech firm dedicated to developing engaging mobile games and applications that entertain millions globally. With a workforce of 800, over 7 billion downloads, and approximately 200 million active users, Voodoo stands as the third-largest mobile publisher worldwide, trailing only Google and Meta. Our portfolio features hit games like Mob Control and Block Jam, as well as widely-used applications such as BeReal and Wizz.At BeReal, we champion authenticity in social media by encouraging users to share genuine moments, fostering real connections and celebrating everyday life. Our international team, exceeding 100 members, boasts over 40 million active users monthly. Backed by Voodoo, we are committed to scaling BeReal into a globally recognized social network.Your RoleWe are seeking a highly skilled Staff iOS Engineer to help shape the future of our iOS platform that millions rely on daily. You will establish our technical direction, lead significant initiatives, and ensure the delivery of exceptional user experiences while remaining actively involved in development.Your responsibilities will include:Setting the technical strategy for the iOS platform, ensuring scalability, performance, reliability, and maintainability over the long term.Designing and implementing impactful iOS features and systems, balancing immediate product demands with long-term platform health.Leading cross-functional projects with product, design, data, backend, and Android teams.Promoting engineering best practices within the iOS team, focusing on code quality, testing, and development methodologies.Mentoring junior iOS engineers and facilitating technical leadership and knowledge sharing.Evaluating the technical, user, and business impact of the features you develop, using data and user feedback to guide decisions.Continuously enhancing the iOS tech stack and tooling, including Swift, SwiftUI, and Swift Concurrency.Collaborating with AI-powered tools to boost productivity and creativity.Our Tech StackiOS: Swift, Combine, SwiftUI, SPM, Swift Concurrency, MVVMOperations: GitHubAndroid: Kotlin, Compose, Coroutines, Room, gRPC

Join Talan as a Senior Data Engineer and leverage your expertise in Dataiku to drive innovative data solutions. In this pivotal role, you will collaborate with cross-functional teams to design and implement scalable data pipelines and analytics frameworks. Your contributions will empower data-driven decision-making and enhance business intelligence.

Join Talan as a Senior Data Engineer specializing in Snowflake, where you'll play a vital role in our innovative data projects. We are looking for a passionate individual who thrives in a dynamic environment and is eager to contribute to our engineering and development team. You will be responsible for designing, implementing, and maintaining robust data pipelines and architectures, ensuring data integrity and availability.

About H:H is at the forefront of advancing superintelligence through agentic AI. Our mission is to automate intricate, multi-step tasks traditionally handled by humans, enabling AI agents to unlock the full potential of human capabilities.We are on the lookout for the brightest minds in AI—individuals who are as committed to responsible and safe development as they are to pioneering groundbreaking agentic technologies. At H, we cultivate an environment characterized by openness, collaboration, and continuous learning, encouraging every team member to contribute their unique insights.About the Team: The Agent team is dedicated to designing innovative learning algorithms and paradigms that expand the capabilities of agentic systems. We leverage foundational models and reinforcement learning to explore new methodologies for training artificial general agents, collaborating closely with our LLM/VLM and Safety teams to forge new paths in AI development.This role is deeply rooted in engineering within our research team. You will play a pivotal role in architecting and building robust, scalable systems that serve as the backbone of our research initiatives. Your contributions will transform cutting-edge research ideas into high-performance, production-ready platforms that drive the next evolution of agentic AI.

Our Mission and Customers: At Qonto, we empower SMEs to thrive by providing Europe’s premier finance workspace, centered around banking and enhanced with innovative financial tools. We take pride in our 4.8 Trustpilot rating, based on over 55,000 reviews. Our culture prioritizes customer satisfaction, evidenced by our impressive Net Promoter Score of 75.Our Journey: Founded in 2017 by Alexandre and Steve, Qonto has expanded to over 1,600 team members serving more than 600,000 customers across eight European nations. We achieved profitability in 2023, and we are just beginning our journey.Our Beliefs: We value skills and potential in our hiring process. With 80+ nationalities represented and 45% of our workforce being women, including 56% in leadership roles, diversity is integral to our identity. We’ve established a discrimination-free hiring process because we believe the best teams are built on merit.AI at Qonto: Artificial Intelligence is a core component of our operations (learn more here). Every Qonto team member has unlimited access to top AI tools. We seek individuals who are willing to experiment, challenge the status quo, and discern when to trust AI versus when to question it.------------------------------------------------------------------------------------------------------

Role overview AccorHotels is hiring a full-time Housekeeping Attendant (F/H/X) in Paris. This position covers 38 hours and 30 minutes each week. The main focus is to keep guest rooms clean, comfortable, and organized, helping every guest feel welcome during their stay. Key responsibilities Clean and arrange guest rooms following AccorHotels standards Pay close attention to detail in all cleaning and organizing tasks Contribute to a positive and comfortable atmosphere for guests Requirements Consistent work ethic and a strong sense of responsibility Positive attitude with a focus on delivering quality service Ability to spot and address details important to guests