Overview: We are on the hunt for a skilled DevOps Engineer to architect and sustain the cloud and on-premise infrastructure that powers our innovative platform. Your responsibilities will span Kubernetes clusters, CI/CD pipelines, observability, networking, and automation, ensuring our production environment is reliable, secure, and scalable.About White CircleWhite Circle is dedicated to AI Safety, developing a framework that guarantees the safety, reliability, and efficiency of AI systems. Central to our platform are policies—clear, natural-language guidelines that dictate the permissible actions of AI models. We automate the testing, enforcement, and enhancement of these policies at scale.We have successfully secured $11M in funding from industry leaders and top-tier investors, including veterans from OpenAI, Anthropic, HuggingFace, and more.Our systems handle over one hundred million API calls each month.We specialize in fine-tuning and training our own LLMs for optimal performance and cost-efficiency compared to existing models.As a small, focused team, we value deep engagement with challenging problems. If you’re eager to see your contributions rapidly deployed into production and influence the future of AI safety, we want to hear from you.Your Responsibilities:Design, develop, and maintain production infrastructure in AWS and on-premise environments.Oversee and enhance Kubernetes clusters for deployment, scalability, reliability, and daily operations.Develop and maintain CI/CD pipelines to facilitate safer, quicker, and more reliable software releases.Manage container infrastructure, focusing on Docker image management, runtime security, and overall lifecycle.Increase system reliability, performance, and observability through rigorous monitoring, alerting, and troubleshooting.Implement infrastructure as code using Terraform for consistent and adaptable environments.Manage networking across the stack, including routing, firewalls, load balancing, and inter-cluster communication.Automate processes and enhance workflows using Python scripts and internal tools.Collaborate with engineering and ML teams to bolster product infrastructure, internal platforms, and compute-intensive workloads.Ideal Candidate:Possesses a strong background in cloud infrastructure, particularly AWS.Demonstrates expertise in Kubernetes and CI/CD practices.Is proficient in Python and Terraform.Exhibits a solid understanding of networking concepts.Thrives in a collaborative, fast-paced environment.

Overview: We are seeking a talented Data Engineer to architect and develop our data pipelines from the ground up—managing petabytes of logs, events, and model traces—while establishing a seamless, reliable environment for production, testing, and research tasks.About UsAt White Circle, we focus on AI Safety by creating a robust layer that ensures the safety, reliability, and optimization of AI systems. Our platform is driven by policies, which are straightforward natural-language rules that specify the acceptable behaviors of AI models. We automatically test, enforce, and enhance these policies at scale.We have successfully raised $11M from leading investors, including founders and executives from OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, and Sentry.Our system handles over 100 million API calls every month.We develop and fine-tune our own Large Language Models (LLMs) to ensure they operate faster and more economically than any open-source or proprietary alternatives.As a small, dedicated team, we value deep engagement with challenging problems, rapid deployment of your contributions, and the opportunity to significantly impact the construction of AI safety.Your ResponsibilitiesEstablish and uphold a clean and stable data environment, allowing team members to access petabytes of traces, logs, and model outputs in their required formats without delays or manual extraction.Create and manage internal data APIs, SDKs, and tools that empower engineering, product, and research teams to explore, query, and utilize data independently of infrastructure concerns.Monitor and enhance data performance, optimizing table layouts and query plans to ensure smooth analytics and research workflows as data volumes increase.Oversee data access and governance by defining and enforcing permissions, access rules, and security protocols.Desired QualificationsProven experience building or scaling a modern data stack—such as Snowflake, ClickHouse, or event streaming—within a startup or similarly fast-paced environment.Strong proficiency in SQL and Python, with the ability to work effectively with large, complex datasets.Excellent communication skills, enabling you to collaborate directly with engineers and researchers. Fluency in English is required.Bonus: Experience with data visualization tools like Metabase, Tableau, or similar.

Overview: We are seeking a talented Product Engineer specializing in Backend Development with Rust to take charge of and enhance the foundational systems that ensure AI safety at a large scale. Your role will involve constructing APIs capable of managing hundreds of millions of requests, implementing real-time policy enforcement, and developing high-throughput data pipelines.About UsWhite Circle is at the forefront of AI Safety, creating the essential safety, reliability, and optimization framework for AI systems. Our platform is built on policies—easily understandable natural-language rules that outline appropriate AI model behavior. We automatically test, enforce, and continuously refine these policies on a massive scale.We have secured $11M in funding from leading investors, founders, and executives from OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others.Our systems process over one hundred million API calls each month.We optimize and train our own LLMs to operate more swiftly and cost-effectively than any publicly available or proprietary models.As a compact and highly focused team, we welcome those eager to tackle challenging problems, deliver their work to production swiftly, and actively shape the future of AI safety.Your Responsibilities:Design and implement backend services in Rust that facilitate real-time policy evaluations at scale, ensuring low latency and high reliability.Take ownership of features from inception to deployment: API design, database schema development, and continuous monitoring and iteration.Engage with different layers of the stack as needed; we prioritize problem-solving over rigid role definitions.Enhance system performance and reliability through connection pooling, caching strategies, query optimization, and observability practices.Collaborate directly with product managers, researchers, and ML teams to convert requirements into effective production systems.Ideal Candidate:You have experience building and deploying backend systems in Rust—beyond mere tutorials, you have real-world production experience.You are well-versed in async Rust (Tokio), web frameworks (Axum, Actix), and database interaction patterns.You possess strong system design fundamentals, capable of assessing trade-offs, failure modes, and scalability.You have hands-on experience with PostgreSQL, adept at crafting efficient queries and designing schemas.

Join our team as a Data Scientist and play a key role in managing and optimizing Large Language Models (LLMs) for AI safety.About UsWhite Circle is a pioneering AI Safety company dedicated to enhancing the safety, reliability, and efficiency of AI systems. Our platform is built on policies—clear natural language rules that dictate the appropriate conduct of AI models. We automate the testing, enforcement, and continuous enhancement of these policies at scale.We have secured $11 million in funding from leading investors, including founders and senior leaders from OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others.Our operations handle over 100 million API calls each month.We specialize in fine-tuning and training our own LLMs, enabling them to operate faster and at a lower cost than any available model.As a compact and dedicated team, we offer an environment where you can tackle complex challenges, expedite your work into production, and substantially influence the development of AI safety.Your Role:Transform vast amounts of unstructured text into a structured and navigable format (including topics, clusters, segments, trends, and anomalies), moving from “unknown unknowns” to stable definitions for tracking.Develop scalable representation pipelines: including sampling strategies, preprocessing/normalization, embeddings at scale, indexing, and retrieval, making the corpus searchable and analyzable.Utilize LLMs in practical applications: implementing labeling/classification, weak supervision, data enrichment, summarization, and automated diagnostics of incoming volumes, with cost and quality controls in place.Provide actionable insights that inform decisions: convert your findings into product and operational strategies (identifying available data, gaps, quality issues, and prioritization).Create self-service analytics resources: develop datasets, data models, and user-friendly tools/dashboards to enable team members to explore and address inquiries independently.Collaborate closely with engineering and research teams: ensure alignment of pipelines with production constraints (including latency, cost, and privacy) and integrate outputs into existing workflows.You Will Thrive If You:Possess strong skills in Python and SQL, with an engineering mindset capable of building reliable pipelines rather than just notebooks.Have practical experience in applied NLP/ML on real-world text: including embeddings, clustering, and model training.

Quick Overview: In this role, you'll be at the forefront of AI development, training and refining vision-language models, extending their capabilities to video, creating alignment pipelines, developing evaluation benchmarks, optimizing production inference, and engaging with MoE architectures.About UsWhite Circle is a pioneering AI Safety organization dedicated to building a robust safety, reliability, and optimization framework for AI systems. Our platform operates on straightforward natural-language policies that dictate the appropriate behaviors of AI models. We automate the testing, enforcement, and ongoing enhancement of these policies at scale.We have successfully raised $11 million from prominent investors, including founders and senior leaders from OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and more.Our infrastructure processes over 100 million API calls every month.We specialize in fine-tuning and training our proprietary LLMs to ensure faster and more cost-efficient performance than any available open or proprietary models.We are a compact, highly motivated team. If you are eager to tackle challenging problems, get your work deployed rapidly, and significantly impact the construction of AI safety – we want to hear from you.Your Responsibilities:Train vision-language models from the ground up and fine-tune existing architectures for advanced image understanding.Expand VLM capabilities to video by designing innovative temporal modeling approaches and efficiently managing long-context.Develop impactful evaluation benchmarks focusing on visual QA, spatial reasoning, and video comprehension.Curate and maintain multimodal datasets, including creating synthetic data generation pipelines.Train and optimize MoE architectures to enhance multimodal inference efficiency.Deploy models into production, focusing on quantization, batching strategies, and latency optimization.You Will Excel If You Have:3+ years of experience in training and fine-tuning vision-language models (e.g., LLaVA, Qwen-VL, InternVL).A strong background in multimodal architectures, with a clear understanding of how vision encoders, projectors, and LLMs integrate.Hands-on experience with RLHF/alignment for multimodal systems, specifically GRPO, DPO, and reward modeling.Experience in video understanding, including temporal modeling and efficient attention mechanisms.

Role Overview Theodo Cloud is hiring a DevOps Engineer in Paris. This role centers on supporting cloud infrastructure and working closely with developers to simplify how applications are deployed and maintained. What You Will Do Collaborate with development teams to streamline deployment workflows Manage and improve cloud infrastructure Focus on automation and continuous integration to strengthen deployment processes Work to ensure high availability and scalability for cloud services Identify ways to enhance system performance Who We’re Looking For Experience with automation and CI/CD tools Interest in learning and growing within the DevOps field Proactive approach to problem-solving Comfortable working in a collaborative, evolving team This position is based in Paris with Theodo Cloud.

Join our dynamic team as a Frontend Product Engineer and play a pivotal role in ensuring the safety and integrity of large language models (LLMs).About White CircleWhite Circle specializes in AI safety, developing a comprehensive framework for the reliability, safety, and optimization of AI systems. Our platform is centered around clear, natural-language policies that dictate the appropriate and inappropriate actions of AI models. We continuously test, enforce, and enhance these policies on a large scale.Secured $11 million in funding from leading investors, including founders and senior executives from OpenAI, Anthropic, HuggingFace, and more.Handling over 100 million API calls monthly.Expertly fine-tuning and training our own LLMs for enhanced performance and cost-effectiveness compared to other models.Our small, focused team is looking for individuals eager to tackle challenging problems, quickly implement their work into production, and significantly contribute to the development of AI safety standards.Your Qualifications:Proficient in TypeScript, React, Next.js, and Tailwind CSS.Experience with LLMs, including familiarity with the OpenAI API, function calling, and context management.Ability to write complex SQL queries without needing external references.Strong focus on design, usability, and performance, prioritizing quality over mere functionality.Your Responsibilities:Oversee and deliver product features across the entire stack, from design and implementation to deployment and ongoing improvements.Craft intuitive, high-quality user experiences, ensuring smooth transitions from user onboarding to in-depth analysis.Collaborate with founders, product managers, designers, ML engineers, and researchers to transform intricate AI functionalities into user-friendly, dependable products.Lead the complete development lifecycle while influencing technical direction, product strategy, and engineering culture.Why Choose White Circle?Competitive salary ranging from $80,000 to $150,000 plus equity options.20 days of paid vacation annually.Opportunities to work from Paris in a hybrid model, including a relocation package.

Join our innovative team at meilleurtaux as a DevOps Cloud Engineer. In this role, you will be a key player in designing, implementing, and maintaining cloud infrastructure solutions that drive our business forward. We are looking for a highly skilled engineer passionate about cloud technologies and DevOps practices.

Join Theodo Cloud: A Leader in DevSecOpsSince 2009, Theodo has been at the forefront of supporting innovative companies in designing, developing, and deploying ingenious digital products by leveraging cutting-edge technology and Lean methodologies.With remarkable growth over the past 15 years, our team has expanded to over 700 Theodoers, primarily comprising passionate Software Engineers dedicated to technology and continuous improvement. Our structure includes specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Goods). By 2025, Theodo is projected to generate €100M in revenue.Theodo Cloud, our dedicated DevSecOps entity, specializes in building cloud infrastructures and cybersecurity solutions.Our mission is to empower scale-ups and large enterprises to address their business challenges through technology.We focus on creating scalable, resilient, and secure infrastructures for developers and end-users, transforming infrastructure into a growth lever rather than a hindrance.To sustain our growth, we are expanding our tech team and are looking for a DevOps Engineer to join us on a permanent contract.Your Responsibilities:As a DevOps Engineer, you will collaborate with a team of DevOps, Lead DevOps, and Agile Project Managers to ensure our projects make a significant impact on our clients.Key tasks include:Building infrastructure from the ground upCloud and Kubernetes migrationsImplementing CI/CD pipelinesSetting up monitoring and alerting toolsIntroducing best DevOps practices to our clientsActively participating in Scrum ritualsAt Theodo Cloud, there is plenty of room for innovation. Alongside your project work, you will have dedicated time to engage in topics that inspire you, such as team training or diversity initiatives.

sia is looking for a DevOps / Platform Engineer to join the team in Paris. This position centers on building and maintaining infrastructure that supports the company’s products and services. The work involves close collaboration with colleagues to ensure systems can scale as the business expands. Key responsibilities Work with engineers and stakeholders to support and improve core infrastructure Contribute to building stable systems that can handle company growth Develop solutions that help keep services reliable and available Who will thrive here This role fits someone early in their DevOps career, interested in learning from experienced professionals and gaining practical experience in a growing field. Location This position is based in Paris.

At White Circle, we are creating a safety layer for contemporary AI systems—an innovative application designed to prevent harmful behaviors and ensure the security of AI in our world. Organizations leverage our platform to gain insights into their models’ behaviors, identify potential failures proactively, and maintain stable and secure interactions.As a Digital Product Brand Designer, you will play a pivotal role in defining the visual identity of White Circle. Your responsibilities will encompass crafting illustrations, launch visuals, social media graphics, brand animations, and event graphics, all contributing to our unique visual voice.About White CircleWe have successfully raised $11 million from founding members and executives of top AI companies, including OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and more.We handle tens of millions of API requests each month.Your ResponsibilitiesDevelop and enhance our brand's visual identity.Design graphics for our website, announcements, product pages, and social media posts.Create visuals for events, presentations, and product launches.Transform complex AI concepts into visuals that are simple, clear, and impactful.Collaborate directly with product, engineering, and research teams, allowing for rapid iterations and complete ownership of your work.QualificationsA minimum of 5 years of experience in brand or graphic design.Proven ability to create visually appealing designs with a strong sense of taste, layout, and typography.Competency in basic animations using your preferred tools.Familiarity with AI tools integrated into your workflow.Why Join White Circle?Be part of a small, agile team that moves quickly.Experience a culture free from corporate politics.Enjoy real ownership of your projects and the ability to implement changes swiftly.Receive direct feedback and engage in honest collaboration.Contribute to meaningful projects that significantly impact how people interact with AI.Work in an office with stunning views in the heart of Paris, France (hybrid setup).CompensationSalary range: $60,000–120,000 + equity.Enjoy unlimited budget for professional development.

Nexton is looking for a DevOps Engineer to help drive infrastructure projects and improve deployment processes within the Telco Media Transport department. This position collaborates with team members across departments to streamline operations and boost system reliability. Role overview This role focuses on supporting infrastructure initiatives and refining deployment workflows. Daily work involves close interaction with colleagues from various teams, aiming to make operations more efficient and ensure dependable system performance. Location This position is based in Paris.

Join Theodo as a Lead SRE / DevOps!Theodo has been at the forefront of innovation since 2009, empowering businesses to create, develop, and deploy remarkable digital products by leveraging cutting-edge technology and Lean methodologies.With over 15 years of exceptional growth, Theodo now boasts a team of over 700 passionate Software Engineers dedicated to technology and continuous improvement. Our organization has evolved into specialized entities such as Theodo Apps, Theodo Cloud, and Theodo Data & AI, catering to various industries including Fintech, Govtech, Heathtech, and Consumer Goods. We aim to achieve a revenue of €100 million by 2025.As part of Theodo Cloud, our DevSecOps entity, we focus on building secure cloud infrastructures while ensuring cybersecurity. Our mission is to assist scale-ups and large corporations in overcoming their business challenges through technology.Our teams design scalable, resilient, and secure infrastructures, transforming these aspects into growth enablers rather than obstacles.Your Team:You will collaborate closely with a dedicated team that includes: Lead SREs, SREs, and Project Managers to ensure our impact resonates with our clients.As a Lead SRE, you will be a technical reference and team leader: you will set the direction, ensure the quality of deliverables, and foster growth among your team members.Your Future Missions:In the role of Lead SRE, you will be responsible for the overall success of your projects, focusing on technical, organizational, and human aspects.Driving Technical Strategy and Architecture- You will define a clear and sustainable vision for infrastructure and SRE practices:- Design robust, secure, and scalable architectures and effectively communicate them.- Build a strategy that meets our clients' needs.

airapps is hiring a Mobile DevOps Engineer in Paris. This position focuses on connecting development and operations teams to improve how mobile applications are deployed and maintained. Role overview As a Mobile DevOps Engineer, the main responsibility is to support seamless deployment processes for mobile apps. The role involves close collaboration with both developers and operations staff to make sure releases are smooth and reliable. What you will do Work with development and operations teams to streamline mobile app deployment. Help ensure mobile applications remain scalable, efficient, and stable. Encourage a collaborative and creative work culture. Location This role is based in Paris.

sia is seeking a final year intern for a DevOps / Platform Engineer position in Paris. This internship targets students completing their studies who want to apply their knowledge in a professional setting focused on software development and platform operations. What you will work on Collaborate with experienced engineers on active projects Assist in deploying and managing cloud-based systems Automate deployment workflows Contribute to platform performance improvements Who should apply Students in their final year with an interest in DevOps or platform engineering Individuals eager to develop technical skills and participate in meaningful projects Those who enjoy working and learning as part of a team This internship provides hands-on experience and the opportunity to strengthen your expertise in a supportive team at sia, based in Paris.

Join everience as a DevOps Engineer where you will play a pivotal role in bridging the gap between software development and operations. In this dynamic position, you will be responsible for implementing and managing cloud infrastructures, automating deployment processes, and ensuring the reliability of our applications.Your expertise will help drive our commitment to delivering high-quality products efficiently. You will work closely with cross-functional teams to optimize our development pipeline, ensuring smooth and effective workflows.

airapps is hiring a Backend DevOps Engineer in Paris. This position centers on building and maintaining systems that keep backend services running smoothly and reliably. Role overview The Backend DevOps Engineer will design and implement solutions to help backend services scale and remain dependable. Collaboration with both development and operations teams is key, with a focus on improving workflows and boosting system performance. What you will do Create and maintain scalable infrastructure for backend services Work alongside developers and operations staff to streamline processes Identify opportunities to enhance system reliability and efficiency Location This role is based in Paris.

About TeadsTeads is a premier omnichannel advertising platform dedicated to delivering impactful results for brand and performance advertisers across multiple screens. We prioritize significant business outcomes by harnessing predictive AI technology to seamlessly connect high-quality media, stunning brand creative, and contextually relevant addressability and measurement. Teads collaborates directly with over 10,000 publishers and 20,000 advertisers worldwide. Our headquarters are located in New York, with a global workforce of around 1,700 individuals across more than 30 countries.For further details, visit www.teads.com.Our Main Engineering Challenges at TeadsDevelop efficient and user-friendly web products utilized by thousands of users from the world's top publishers, advertisers, and agencies.Leverage a rich and diverse tech stack and system architecture to enhance performance, scalability, resilience, and cost efficiency, primarily using Scala and TypeScript.Operate in a high-traffic environment (2.2 billion users monthly, 100 billion events daily) with stringent low latency and high availability requirements (2 million requests per second, responses under 150 milliseconds).Manage large datasets with millisecond access times to compute a near real-time complex auction resolution algorithm (18 million predictions per second).Thrive in a fast-paced environment where we regularly collaborate with Product teams and adapt our Cloud infrastructure for new features and enhancements.

À PROPOS DE MARGOMARGO est une société de conseil innovante qui se spécialise dans les domaines de la Data, de l'Intelligence Artificielle et de l'Ingénierie Logicielle. En réunissant des experts de haut niveau, MARGO se consacre à des missions techniques de grande complexité. Depuis sa création en 2005, MARGO s'est positionnée pour travailler sur des projets stimulants et attirer les meilleurs talents du secteur.Actuellement, nous comptons plus de 350 collaborateurs répartis entre Paris, Londres et Varsovie, et nous couvrons six domaines d'expertise : Intelligence Artificielle, Ingénierie Logicielle, Data & Architecture, Transformation Cloud, Technologies des Marchés de Capitaux et Transformation Digitale dans l'Assurance.POURQUOI NOUS REJOINDRE ?1. Missions de haute complexité : Accédez aux missions les plus intéressantes du marché, vous permettant de travailler sur des projets à forte valeur ajoutée. 2. Accompagnement personnalisé “Consultant First” : Notre pôle Excellence est dédié à l'évolution professionnelle de nos consultants, offrant un suivi sur mesure pour atteindre leurs objectifs de carrière.3. Formation illimitée et sur mesure : Nous proposons des formations continues adaptées aux besoins et aspirations de chaque collaborateur, garantissant ainsi le développement de leurs compétences.4. Liberté de choix de mission : Vous avez la possibilité de choisir les missions qui correspondent le mieux à vos ambitions et talents, valorisant ainsi votre autonomie et indépendance.VOS MISSIONS EN TANT QUE DEVOPS ENGINEEREn tant que consultant chez MARGO, vous jouez un rôle essentiel dans notre croissance. Grâce à votre expertise, vous fournirez des solutions technologiques innovantes à nos clients, leur permettant de se démarquer sur le marché.

Join Our Team and Flourish! We are looking for a talented DevOps Engineer (H/F). At CAPFI, a human-sized ESN, we are driven by genuine technological expertise and a strong culture of innovation. We provide a stimulating work environment characterized by diverse assignments and a human-centered approach to work. Trust, listening, and support are the values that benefit all our employees. Our mission? To allow you to experience a professional journey that reflects your aspirations, by choosing your career path, your pace of learning, and creating the conditions necessary for your personal growth. We value diversity in profiles, which enriches our expertise. Therefore, we treat all applications equally, focusing solely on the candidate's skills, irrespective of their origin, age, gender identity, disability, or religion. You are the right candidate if: You hold a Master's degree (Bac +5) and have at least 3 years of experience. You specialize in technologies related to the DevOps approach. You understand that automation is becoming the cornerstone of all information systems. You are diplomatic, bold, authentic, curious, and a team player. Your Responsibilities: As a DevOps Engineer, you will work within an automation team using agile methodologies at our clients on topics such as: Creating and implementing a CI/CD pipeline for automated application lifecycle management. Managing Release Management: build, test, deployment, and automatic configuration. Handling application scalability (up & down). Connecting to source repositories (Git or others). Managing CI/CD pipelines (Jenkins, Bitbucket, Docker, Kubernetes, etc.). Utilizing automatic deployment tools (Ansible, Puppet, Chef, etc.). Writing automation scripts (Python, PowerShell, Bash, etc.). Setting up monitoring for performance tracking and load management (Nagios, Centreon, etc.).