Numerical Methods Research Scientist in Scientific Computing

Aqemia is seeking a talented Numerical Methods Research Scientist to join our innovative team in Paris. As a key contributor, you will leverage advanced scientific computing techniques to develop and optimize numerical methods that underpin our cutting-edge research initiatives. This position offers an exciting opportunity to work in a dynamic environment at the forefront of computational science.

Join Aqemia as a Senior Application Research Scientist, where you will be at the forefront of applying cutting-edge computational techniques to accelerate drug discovery. You will collaborate with an innovative team to develop novel methodologies and contribute to impactful projects that push the boundaries of science.

As a key member of the Datadog AI Research (DAIR) team, you will collaborate closely with research engineers and partner with Datadog's Product and Engineering teams. Your role will focus on tackling fundamental research challenges and transforming groundbreaking research into impactful solutions for our customers.With our established track record of delivering AI-powered innovations such as Bits AI, Watchdog, and Toto, Datadog AI Research is dedicated to addressing high-risk, high-reward projects that are rooted in real-world issues related to cloud observability and security.We are currently concentrating on three main research domains:Observability Foundation Models – Developing cutting-edge models that enhance forecasting, anomaly detection, and multi-modal telemetry analysis (including logs, metrics, traces, etc.). These models will empower our agents to perform native analysis on various telemetry data.

Genbio, with headquarters in Silicon Valley and offices in Paris and Abu Dhabi, brings together scientists, engineers, and entrepreneurs to advance biology and medicine using generative AI. The company’s main focus is on pan-modal Large Biological Models (LBM), which support new developments in healthcare and biomedicine. Role overview This Research Scientist Internship in Paris offers direct experience working with Genbio’s R&D team. Interns join ongoing projects that use large language models and generative AI to decode biological processes and develop practical solutions for healthcare. The team has a strong background in both AI and biological science. What you will do Work in Paris as part of a global team focused on biomedicine Contribute to research on Large Biological Models and generative AI Collaborate with experienced professionals in AI and biological science Who Genbio is looking for Genbio welcomes interns who are eager to support progress in biology and medicine. The company continues to grow and seeks those ready to contribute to its mission of advancing biomedicine through AI-driven research.

About MistralAt Mistral AI, we harness the transformative power of artificial intelligence to streamline processes, save valuable time, and enhance both learning and creativity. Our solutions are meticulously crafted to integrate effortlessly into the fabric of everyday work life.We democratize AI through advanced, optimized, and open-source models, products, and solutions that are at the forefront of technology. Our robust AI platform is tailored to meet the diverse needs of enterprises, whether deployed on-premises or in cloud environments. Among our offerings is le Chat, your AI assistant that enhances both life and work.As a vibrant and collaborative team, we are deeply passionate about AI and its potential to revolutionize society. Our diverse workforce thrives in competitive settings and is dedicated to fostering innovation. With teams distributed across France, the USA, the UK, Germany, and Singapore, we pride ourselves on being creative, humble, and team-oriented.Join us at Mistral AI to be part of a pioneering organization that is shaping the future of artificial intelligence. Together, we can create a significant impact. Discover more about our culture at mistral.ai/careers.About The RoleMistral AI is on the lookout for talented Applied Scientists and Research Engineers to spearhead innovative research initiatives and collaborate with clients on complex projects. You will be tasked with developing state-of-the-art models across various modalities, including text, image, and speech. By pioneering novel methodologies and research concepts, you will apply these models across a wide range of use cases and industry domains. In collaboration with internal and external teams in science, engineering, and product management, you will deliver high-impact AI solutions that drive results.Key Responsibilities• Execute pre-training, post-training, and deployment of state-of-the-art models using clusters equipped with thousands of GPUs, approaching challenges like OOM errors or NCCL issues with confidence.• Generate and curate data for pre-training and post-training phases, conducting evaluations to ensure model performance consistently exceeds expectations.• Create essential tools and frameworks to streamline data generation, model training, evaluation, and deployment processes.• Collaborate with cross-functional teams to address complex use cases utilizing agents and RAG pipelines.• Oversee research projects and maintain effective communication with client research teams.Qualifications• Proficient in English with outstanding communication skills, able to demystify complex technical concepts for both technical and non-technical audiences.• Expertise in PyTorch or JAX is essential.• Comfortable contributing to large codebases and capable of navigating independently with minimal guidance.• A strong analytical mindset with a passion for continuous learning and improvement.

About the Institute of Foundation ModelsWe are an innovative research laboratory dedicated to the development, understanding, and application of foundation models. Our mission is to propel research forward, cultivate the next generation of AI innovators, and contribute significantly to a knowledge-based economy.Joining our team means you will engage in the advanced training of state-of-the-art foundation models, collaborating with leading researchers, data scientists, and engineers. You will address some of the most pressing and transformative challenges in AI development, contributing to pioneering AI solutions with the potential to revolutionize entire industries. Your strategic and innovative problem-solving skills will be vital in positioning MBZUAI as a global leader in high-performance computing for deep learning, driving discoveries that will inspire future AI visionaries.The RoleAs a Research Scientist focusing on speech and audio machine learning, you will play a key role in designing and training cutting-edge end-to-end neural speech models. You will be tasked with developing crucial intellectual property, evolving beyond traditional ASR to TTS systems and creating native audio-to-audio multimodal architectures.

About Mistral AIMistral AI is at the forefront of artificial intelligence, committed to transforming the way we work and learn. Our innovative technology is crafted to effortlessly integrate into daily routines, streamlining tasks and fostering creativity.We aim to democratize AI by providing high-performance, optimized, open-source models and solutions. Our robust AI platform caters to enterprise requirements, whether deployed on-premises or in the cloud. Among our offerings is le Chat, an AI assistant designed to enhance both personal and professional life.As a vibrant and collaborative team, we are united by our passion for AI and its potential to revolutionize society. Our diverse workforce thrives in dynamic environments and is dedicated to pioneering innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we embrace creativity, humility, and a spirit of collaboration.Join us in shaping the future of AI and making a meaningful impact. Discover more about our culture at https://mistral.ai/careers.Role OverviewMistral AI is on the lookout for enthusiastic Applied Scientist and Research Engineer Interns to spearhead innovative research and collaborate with clients on intricate projects. You will be instrumental in developing state-of-the-art models across various modalities, including text, image, and speech. By pioneering new methodologies, you will apply these models to a wide array of use cases and domains. In this role, you will work cross-functionally with internal and external teams to deliver impactful AI solutions that drive progress.This internship is available at our offices in Paris and London.Key Responsibilities• Execute pre-training, post-training, and deployment of state-of-the-art models on clusters equipped with thousands of GPUs, maintaining composure in the face of technical challenges.• Generate and curate data for training and evaluation, ensuring that model performance exceeds expectations.• Develop essential tools and frameworks to streamline data generation, model training, evaluation, and deployment processes.• Collaborate with cross-functional teams to address complex use cases utilizing agents and RAG pipelines.• Oversee research projects and manage communications with client research teams.Your Profile• You possess fluent English communication skills and are adept at articulating intricate technical concepts to both technical and non-technical audiences.

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to streamline processes, optimize time management, and elevate both learning and creativity. Our innovative technologies are thoughtfully crafted to integrate effortlessly into everyday workflows. We are committed to democratizing AI by offering high-performance, state-of-the-art, open-source models and solutions. Our robust AI platform addresses the diverse needs of enterprises, whether deployed on-premises or through cloud solutions. Among our key offerings is 'le Chat', an AI assistant designed to enhance both personal and professional life. As a vibrant and collaborative team, we are driven by a shared passion for AI and its potential to reshape our world. Our diverse workforce thrives in competitive settings and is devoted to fostering innovation. We have teams located across France, the USA, the UK, Germany, and Singapore, embodying creativity and a team-oriented ethos. Join us at the forefront of AI development and help shape the future. Together, we can create a significant impact. To learn more about our culture, visit us at https://mistral.ai/careers.About the PositionMistral AI is actively seeking Applied Scientists with profound expertise in engineering sciences to explore the cutting-edge realm of AI-accelerated simulation. In this role, you will collaborate with industrial partners and our internal research teams to develop and implement AI Physics Models, complementing our existing suite of Large Language Models (LLMs).As a key contributor across the entire development stack, your responsibilities will include curating high-fidelity simulation datasets, training and assessing models, and delivering production-grade AI solutions directly to engineering teams. Areas of focus encompass computational fluid dynamics, structural mechanics, semiconductor design, multi-physics modeling, and digital twins.You will work collaboratively with research, product, and customer-facing teams to ensure that our models not only meet engineering standards but excel beyond mere benchmark metrics.Your Responsibilities• Design and execute large-scale simulation campaigns utilizing domain-specific solvers (e.g., OpenFOAM, ANSYS, COMSOL, Abaqus).• Train AI models on physics data, conducting thorough evaluations of coverage, accuracy, and quality against industry validation benchmarks.• Create tools and frameworks for automated dataset generation, simulation pipeline management, and model evaluation.• Develop agents and retrieval-augmented generation (RAG) systems that integrate LLMs with engineering simulation workflows.• Collaborate closely with the research team during training runs and troubleshoot any issues related to data gaps or architectural limitations.• Oversee research projects and maintain communications with engineering teams.Your Profile• Proficient in English with outstanding communication skills - capable of articulating technical simulation concepts to both engineering and non-engineering stakeholders.

Your RoleJoin Doctolib as we transform healthcare delivery through groundbreaking AI technologies centered on medical reasoning. In the position of Senior Staff Research Scientist, you will spearhead the development of innovative AI systems that enhance clinical decision-making and assist healthcare professionals in their everyday practices. Your work will bridge the gap between machine learning and healthcare, constructing models that comprehend medical knowledge, navigate intricate clinical scenarios, and support medical practitioners in delivering superior care.Your key responsibilities include:Tackling Real-World Healthcare Challenges: Design and develop state-of-the-art machine learning models, particularly in Natural Language Processing (NLP) and large language models, to optimize healthcare processes, improve patient experiences, and enable scalable intelligent health solutions.Innovate & Experiment: Conduct research and prototype pioneering algorithms and architectures, remaining at the cutting edge of AI/ML advancements. Convert innovative concepts into functional prototypes, utilizing the latest breakthroughs in deep learning and generative AI.Collaborate Across Teams: Partner with product teams, engineers, medical specialists, and other stakeholders to translate business requirements into impactful research initiatives. Effectively communicate technical ideas and findings to both technical and non-technical audiences.Drive Impact: Analyze vast, complex datasets to derive actionable insights, define essential metrics, and rigorously assess model performance.Share & Learn: Elevate Doctolib’s AI capabilities by disseminating findings within the team and the broader ML community through publications, presentations, and workshops. Mentor and guide fellow scientists and engineers in applying best practices.

About MistralAt Mistral, we are dedicated to democratizing artificial intelligence, creating groundbreaking intelligence solutions accessible to everyone, developed transparently, and crafted by engineers across the globe.We boast a dynamic, collaborative team driven by a shared passion for AI and its transformative potential for society. Our diverse workforce excels in competitive settings, committed to fostering innovation, with teams spread across Europe, the USA, and Asia. We value creativity, humility, and a strong team spirit.At Mistral, we design models tailored for enterprises and consumers alike, focusing on systems that revolutionize business operations and seamlessly integrate into daily life. We are proud to release cutting-edge models as open-source, encouraging everyone to explore and benefit from them.Mistral is on the lookout for experts in training large language models and distributed systems. Join us and be part of a pioneering organization that is shaping the future of AI.Key Responsibilities* Research and innovate novel AI methodologies for general-purpose mobile manipulation robotics.* Develop tooling and infrastructure for the training, evaluation, and analysis of AI models at scale.* Collaborate cross-functionally with fellow scientists, engineers, and product teams to implement AI systems on real robotic platforms.Ideal Candidate Profile* Proven experience in building and deploying AI systems on physical robots or in developing large-scale vision-language models.* Proficient software engineer in at least one programming language, preferably Python.* Hands-on experience with AI frameworks, ideally PyTorch.* Strong engineering skills, capable of designing complex software and ensuring its usability in production environments.* Self-motivated, autonomous, and a collaborative team player.Preferred Qualifications* Experience in navigation, manipulation, simulators, 3D modeling, embodied reasoning, or vision-language-action models.* Familiarity with the complete MLOps stack, including fine-tuning, evaluation, and deployment processes.

Job OverviewBecome a vital part of the Fault-Tolerant Quantum Computing (FTQC) team at Quandela's Scalable Architecture division. Here, theoretical research is intricately woven with experimental and engineering efforts aimed at propelling the evolution of scalable photonic quantum computing.With a presence in several international locations, including Paris, Munich, Montreal, and Barcelona, Quandela fosters synergy between theoretical insights, experimental practices, and engineering applications.As a Senior Quantum Error Correction Researcher, you will play a pivotal role in shaping the future of our fault-tolerant quantum computing architecture. Your expertise will directly impact our strategic direction and enhance the resilience and scalability of our photonic quantum systems.Why Choose Quandela?Quandela stands at the forefront of deep-tech quantum innovation, with strong foundations in academia (CNRS/C2N) and the ambition to build large-scale quantum computers. Paris-Saclay serves as a key hub for our FTQC initiatives, while our global coordination enhances the integration of theory, hardware, and software.Our R&D encompasses the entire quantum computing ecosystem, from device fabrication to system-level control and quantum software development, providing a unique opportunity to witness theoretical concepts being tested, refined, and actualized in tangible systems through robust scientific collaborations across teams and locations.In this role, you will contribute to significant milestones on our FTQC roadmap, collaborating closely with Quandela's research and engineering teams and a broad network of academic partners such as INRIA Paris, LIP6 – Sorbonne Université, INRIA Saclay, and Institut de Mathématiques de Bordeaux.Depending on your primary location, you will engage regularly with our Paris-based FTQC teams and may travel to Paris occasionally to facilitate alignment and collaborative research efforts.Your Responsibilities Include:Leading QEC Code Guidance: Direct the simulation and analysis of stabilizer, dynamical, and good qLDPC code families under realistic operational constraints.Enhancing FTQC Strategies: Innovate fault-tolerant protocols tailored to Quandela's hardware and error models.Benchmarking Decoders: Create custom decoding techniques and oversee their integration, balancing speed and accuracy.Cross-Domain Collaboration: Work synergistically with hardware and software teams to model errors, enhance simulations, and design QEC experiments.Your research at Quandela will shape prototypes, inform system architectures, and actively drive our FTQC roadmap.

Join Segula Technologies as a Mechanical Engineer specializing in Methods & Tooling. In this role, you will leverage your expertise to drive innovative solutions in mechanical engineering, contributing to projects that enhance productivity and efficiency in manufacturing processes.

About Safran.AI Safran.AI (formerly Preligens) is a subsidiary of Safran Electronics & Defense. The team develops artificial intelligence solutions for analyzing high-resolution satellite images, full motion video streams, and acoustic signals. These technologies support aerospace, defense, and government sectors. Since 2016, Safran.AI has built advanced algorithms and software to automatically analyze, detect, and identify objects of military relevance, drawing from both commercial and governmental data sources. In September 2024, the company joined the Safran group and now also supports Industry 4.0 transformation. For example, automated image analysis helps inspectors spot potential anomalies in critical components using digital imagery. Innovation and safety drive Safran.AI’s mission. Teams include engineers, researchers, and developers who value creativity and initiative. Every idea counts, and the environment encourages collaboration and technical excellence. Role Overview: Senior Deep Learning Scientist (H/F) – Paris This position sits within the AI Production department, which designs, develops, and maintains AI products and solutions deployed for clients. The department includes six teams (about 50 people, mostly deep learning scientists). Each team focuses on a specific application area, such as: Algorithms for automating industrial production controls using computer vision (radiographic images, ultrasound, videos, tomography, optical imaging, and more) Acoustic signal processing Detection and classification of military-interest objects in optical satellite imagery or SAR Real-time object detection of military-interest objects in video streams Within your team, you will contribute to one or several projects, working alongside peers who share a commitment to technical rigor and innovation.

Alice & Bob is pioneering the development of the world’s first universal, fault-tolerant quantum computer, aimed at tackling some of the most complex challenges facing humanity today. Our innovative design features a groundbreaking type of superconducting qubit known as the Schrödinger cat qubit, which uniquely enables autonomous quantum error correction.As a leader in the quantum computing revolution, we are in direct competition with industry giants such as Google and IBM. Our diverse team of over 100 professionals—including physicists, PhDs, engineers, and seasoned business experts—works collaboratively towards a shared vision of technological advancement. Are you prepared to embrace extraordinary challenges and play a pivotal role in transforming the future of technology?We invite you to join us in shaping the future of quantum computing!About the RoleThe Quantum Error Correction (QEC) team at Alice & Bob is dedicated to enhancing our fault-tolerant architecture. Your role will involve discovering innovative strategies to minimize the need for and costs associated with fault tolerance, while also supporting the implementation of optimal solutions. You will actively contribute to the research and development of our fault-tolerant quantum computing architecture, joining a passionate and focused team in a dynamic organization committed to building a universal and reliable quantum computer.As a Senior Quantum Error Correction Researcher, you will engage in the research and development of our advanced fault-tolerant quantum computing architecture and assist in deploying the best solutions for our quantum systems.

Join Scaleway, a pioneering cloud service provider, as a Software Engineer - Compute. In this dynamic role, you will collaborate with a talented team to design, develop, and maintain cutting-edge computing solutions that empower our global customer base. Your expertise will contribute to innovative projects that push the boundaries of technology and enhance our offerings.

Nūmi is an innovative bioproduction platform utilizing human mammary cells to create essential ingredients with scientifically validated health benefits throughout all stages of life. Specifically, we are the pioneering European cultivated breast milk company, focused on generating human milk components that closely align with optimal nutrition for infants! As a dynamic early-stage startup, we are on a mission to transform how we nourish the next generation. If you're looking to be part of a rapidly growing, venture capital-backed biotech startup, Nūmi could be your next great opportunity!Situated in the heart of Paris (Hôpital Cochin, Paris 14), Nūmi is supported by esteemed international investors, leading scientists, and prominent academic institutions.Our Culture & Values Positivity: We foster a positive environment at Nūmi, where our mission encourages passionate and energetic communication, always keeping our larger impact in focus. We celebrate small victories but remain committed to our ultimate goals.Excellence: At Nūmi, we define excellence through dedication and a continuous improvement mindset. We view challenges as opportunities to learn and strive for high-quality outcomes. Our growth is driven by effort, attention to detail, and integrity, both as individuals and as a team.Teamwork and Pedagogy: We believe that collaboration strengthens us at Nūmi. We promote knowledge sharing, constructive feedback, and mutual respect, ensuring that every team member contributes to our collective success.Ambition: We set bold goals and encourage expansive thinking at Nūmi. Driven by innovative ideas and determination, we aim high to create meaningful change.Why This Role MattersIn our work at Nūmi, the capacity to identify “golden” cell lines, batches, and conditions relies heavily on our ability to effectively collect, organize, and leverage our data, rather than merely increasing the volume of experiments.Currently, our experimental data encompasses:Electronic Lab Notebook (ELN) entriesSpreadsheetsBioreactor and equipment outputsAnalytical and Quality Control (QC) readoutsThis position is essential for transforming our fragmented data landscape into a cohesive, reliable, and actionable data layer that empowers R&D, informs scale-up decisions, and supports regulatory and industrialization initiatives.As a Lead Data Scientist, you will be a pivotal contributor to advancing scientific progress at Nūmi.Your ResponsibilitiesEstablish Nūmi’s Scientific Data InfrastructureOversee the development of scalable data models and ontologies that accurately reflect experimental workflows, metadata standards, and the scientific landscape.Facilitate the harmonization and integration of data across ELNs, spreadsheets, instruments, assays, and analytical systems into a centralized, user-friendly platform.

Role overview Verso, a part of Hexa, is seeking a Head of Research to join the team in Paris. This leadership position drives the direction of research strategy and ensures that projects support the broader mission of the company. The Head of Research manages a talented group of researchers and works across departments to guarantee that research activities lead to meaningful outcomes. What you will do Create and execute research strategies aligned with Verso's objectives Lead, support, and mentor a team of researchers Promote strong collaboration between research and other teams Oversee projects to ensure they provide actionable insights Location This role is based in Paris.

Join Mistral AI as a Compute Legal Counsel and play a pivotal role in shaping our legal landscape. You will be responsible for structuring, drafting, and negotiating contracts essential to our Mistral Compute operations. Collaborating closely with our legal team, you will advise on a range of legal matters, including compliance, procurement, intellectual property, and privacy. This position is an exciting opportunity to work directly with major industry players like NVIDIA, Dell, Coreweave, Microsoft, and Google, all while based in the vibrant city of Paris, France.

Photoroom builds visual solutions that support e-commerce for over 300 million users worldwide. Since 2019, the team has processed more than 5 billion images each year for a wide range of clients, from small businesses to major brands like Amazon, DoorDash, and Decathlon. With roots in Y Combinator and recent Series B funding, Photoroom operates as a remote-first company with over 100 professionals across Europe, all focused on improving online selling through better visuals. Role overview The Head of Computer Vision leads a growing machine learning team, currently around 10 engineers and researchers, with plans for further expansion. This leader shapes the technical direction of Photoroom, sets ambitious goals, and explores new AI capabilities for photo editing. The position reports directly to the CTO and plays a central role in guiding both strategy and execution. This role is open to candidates based in Germany, UK, Italy, France, Ireland, Portugal, or Spain, with the flexibility to work remotely. Monthly visits to the Paris office are fully reimbursed. For those relocating to France, Photoroom offers up to €10,000 in support and visa sponsorship. Main responsibilities Set ML strategy: Guide the development and training of foundational models from scratch. Grow and lead the team: Mentor, hire, and scale a high-performing group while maintaining Photoroom's culture and standards. Uphold technical quality: Review code, optimize performance, and solve complex training challenges. Drive innovation: Lead the creation of new capabilities that advance the industry. Bridge research and product: Combine advanced research with fast product delivery. Collaborate across teams: Act as the main point of contact between ML, Product, and Sales. Benefits Competitive salary and stock options Remote work from several European countries Monthly travel to the Paris office fully reimbursed Relocation support up to €10,000 and visa sponsorship for France-based roles Comprehensive tech setup Biannual company retreats

Role OverviewJoin our innovative team at Mistral in the heart of Paris as a Data Scientist. In this pivotal role, you will collaborate closely with product management, research, and engineering teams to analyze user behaviors, enhance product performance, and develop data-driven features aimed at advancing our cutting-edge AI product suite.We are looking for individuals who thrive in fast-paced, dynamic environments and enjoy solving complex problems. This is an exciting opportunity for those who wish to directly influence our product roadmap. The successful candidate will possess a robust background in data analysis, statistical modeling, and machine learning, with a track record of achieving exceptional results in high-pressure situations.If you're passionate about data, enthusiastic about AI, and ready to make a substantial impact on our data science strategy, we invite you to apply.Key Responsibilities• Define essential metrics, thoroughly assess the performance of our AI offerings, and pinpoint areas for enhancement.• Design and conduct experiments (A/B tests, causal inference) to validate hypotheses and inform product strategies.• Spearhead end-to-end data science projects, encompassing data collection, preprocessing, model development, evaluation, and deployment.• Assess model performance in both training and production environments, identifying edge cases and creating frameworks to gauge user satisfaction.• Collaborate with engineering teams to ensure the integrity and accessibility of data for analytics and machine learning applications.• Depending on your level of expertise, mentor colleagues and disseminate best practices in data science and analytics.Candidate ProfileEssential Qualifications:• A minimum of 2 years of professional experience as a Data Scientist.• A Master's or Ph.D. in Computer Science, Statistics, Mathematics, Engineering, or a related quantitative discipline.• Proficiency in Python and SQL.• A strong technical aptitude complemented by excellent communication skills.