Senior FullStack Engineer, Platform Services

At Joko, we empower consumers to shop smarter. Our mission is to transform the shopping experience, enabling individuals to discover exactly what they need, make informed choices, and save money.Established in Paris, Joko is a certified B Corp tech company with a diverse team of over 90 talented individuals across Paris, Barcelona, New York, and beyond. More than 5 million users benefit from our services daily at over 10,000 merchants.From cashback and automatic coupons to price alerts and carbon tracking, we continuously enhance our offerings to make shopping more intelligent. Currently, we are developing an AI-driven shopping assistant to help users identify the best products based on price, quality, and sustainability.With profitability achieved in our core market, we are now focused on scaling our operations globally, particularly in the United States.Join us on this exciting journey and help shape the future of shopping! Our Engineering TeamOur Engineering team thrives on tackling advanced technical challenges with innovative solutions. Committed to product innovation and design, they are defining the future of the shopping experience. Their goal is to positively influence the daily lives of millions of users around the globe.Software Engineers collaborate closely with the Product team, engaging in exploration, design, roadmap prioritization, implementation, and production deployment. We’ve seen that teams with engineers who have diverse skills and foster close collaboration with product teams can deliver exceptional and innovative user experiences.As our Engineering team expands rapidly, we are dedicated to innovating across all areas of our product and tech stack, empowering a revolution in online shopping. Your ResponsibilitiesAs we scale to over half a million active daily users with zero-downtime expectations, you, as our Senior Staff Platform Engineer, will spearhead and shape our platform initiatives. You will be our pioneering senior engineer in this domain, consolidating current efforts across the team into a structured, reliable, and high-impact platform that accelerates safe shipping.Infrastructure: Enhance our production infrastructure to ensure it is scalable and resilient, focusing on runtime reliability, capacity, and failure management, allowing us to grow swiftly while maintaining stability.Monitoring & Alerting: Develop top-tier observability systems to ensure proactive monitoring and alerting, significantly enhancing our operational capabilities.

Dashlane seeks a Staff Platform Engineer - Web to join the Paris team. This position focuses on building and maintaining the core web platform, with an emphasis on performance and user experience. Role overview The Staff Platform Engineer - Web will play a key part in shaping development processes and setting technical direction for web projects. The work centers on delivering secure, efficient solutions that support Dashlane’s standards for quality and reliability. What you will do Lead efforts to improve and maintain the web platform Guide development teams with technical expertise Focus on optimizing performance and user experience Who we’re looking for Experience building and maintaining web platforms Strong interest in technology and user-focused design Enjoys working collaboratively and sharing knowledge Brings innovative ideas to technical challenges

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.

The AI Platform is at the forefront of Datadog’s AI initiatives, encompassing everything from cutting-edge distributed training infrastructure for our state-of-the-art models to the essential frameworks that power Bits AI and LLMObs. We are on a mission to enhance our offerings beyond just model creation, focusing on the development of tools that will empower engineers to deploy production-ready generative AI systems. This includes creating retrieval-augmented pipelines, autonomous agents, and comprehensive evaluation harnesses.We are seeking a Senior Software Engineer to architect and develop this next-generation platform. You will collaborate closely with the Applied AI, product, and core infrastructure teams to deliver:Large-scale experimentation, training, deployment, and monitoring solutionsDeveloper toolchains tailored for agents and other generative AI applicationsLow-latency serving infrastructure that seamlessly integrates AI features into all Datadog productsAt Datadog, we value a vibrant office culture that fosters relationships, sparks creativity, and encourages collaboration. We operate in a hybrid work environment, allowing our employees to achieve a work-life balance that suits their individual needs.

Join Wavestone as a Senior Consultant or Manager in our Platform Engineering, SRE & DevOps practice. In this role, you will leverage your expertise to guide clients in implementing state-of-the-art DevOps processes and ensuring high availability of their systems. You will work collaboratively with cross-functional teams to deliver innovative solutions that drive operational excellence.

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.

Making preventive health the default for every human in EuropeThe missionAt Lucis, we are dedicated to transforming healthcare from a reactive model to a preventive one. Our goal is to develop an operating system for human longevity, empowering individuals to extend their healthy years. Discover more about our vision and values here.The roleOur team has successfully processed over 200,000 clinical tests across four countries and is experiencing a growth rate of 10% week over week. We are still in the early stages of our journey.We seek engineers who focus on building comprehensive systems rather than just features. You will take ownership of outcomes from start to finish, leveraging AI to enhance processes and elevate the standards around you.Your work will not be limited to writing boilerplate code; you will create specifications for agents, critically review AI-generated code, and make impactful decisions that build upon themselves over time. This is the modern landscape of engineering—if this resonates with you, we invite you to continue reading.Together, we will define the scope of your role—whether it be mobile, infrastructure, platform, AI, or full-stack—based on your strengths and our needs.What you could own:Full-stack vertical ownership: Manage everything from data models to APIs and user interfaces, ensuring they are production-ready.Algorithms: Collaborate with our medical advisors to convert clinical science into reproducible, auditable code.System architecture: Design a scalable, HDS-compliant infrastructure on AWS (using CDK/Terraform) capable of handling ten times the current load without requiring rework. Ensure strict adherence to HDS and GDPR regulations with robust security practices.Engineering culture: Facilitate team rituals, maintain high standards, and mentor through code reviews and specification assessments.Lead engineering rituals and foster continuous improvement through Agile methodologies and cross-team collaboration, ensuring the team remains at the forefront of excellence.About youYou are passionate...

About H:At H, we are at the forefront of advancing superintelligence through agentic AI. Our mission is to automate intricate, multi-step tasks that are 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, those who are as committed to building responsibly and safely as they are to pioneering groundbreaking agentic functionalities. We foster a culture of openness, continuous learning, and collaboration, where every team member's contribution is valued.About the Team:The Product Engineering Team plays a critical role in the successful deployment and management of our Agents and Inference platforms, alongside auxiliary services that support our Research department and lay the groundwork for innovative agentic products and services that we offer to the market.Key Responsibilities:Lead the definition of technical architecture, design, and long-term engineering strategy.Design, develop, and maintain complex, high-performance, scalable systems.Mentor and guide engineers across various teams to foster a culture of technical excellence.Perform comprehensive code and design reviews to ensure adherence to quality and security best practices.Collaborate with Research, Engineering, and stakeholders to deliver impactful solutions.Drive enhancements in system reliability, scalability, and observability.Establish and uphold engineering standards, tooling, and processes.Advocate for technical innovation and proactively manage technical debt.

The AI Platform team at Datadog is at the forefront of innovation, developing the infrastructure that fuels next-generation generative AI features across our diverse product range. As a Senior Software Engineer on the Evaluation and Annotation team, you will play a pivotal role in designing and enhancing the systems that define and evaluate AI quality at scale. Your responsibilities will include creating evaluation pipelines, monitoring model performance, and establishing annotation workflows that assess correctness, safety, bias, and reliability in real-world applications. Your contributions will directly influence how Datadog develops and sustains reliable AI capabilities. You will collaborate closely with product, machine learning, and infrastructure teams to set quality standards, integrate evaluation systems with our observability platform, and build human-in-the-loop feedback mechanisms that ensure continuous improvement of model behavior. At Datadog, we cherish our office culture, valuing the relationships we build, the creativity we foster, and the collaboration that arises from working together. Our hybrid workplace model enables employees to cultivate a work-life balance that suits their individual needs.

Join our dynamic team at amo as a Location Platform Engineer, where you will play a crucial role in developing and enhancing the infrastructure that efficiently retrieves and processes background location data across diverse devices and operating systems. This position provides an exciting opportunity to work on scalable production systems while ensuring battery efficiency, adhering to privacy standards, and maintaining OS compatibility.We are looking to bring on board several engineers with varying levels of experience. Kindly specify your years of experience in the application form.If you are a seasoned engineer: You will take the helm of the location platform, evolving our technological stack to meet new challenges, mentoring junior team members, and spearheading enhancements in accuracy, efficiency, and compliance.If you are a junior engineer: You will contribute under mentorship, gaining invaluable hands-on experience with production systems, learning cross-platform infrastructure, and developing core skills in backend and client-side development.Your daily responsibilities will encompass:Develop and sustain backend services using Rust alongside client-side codebases in Rust, Kotlin, and Swift.Contribute to systems that manage high traffic and substantial volumes of location data.Enhance scalability, reliability, and performance, both independently and under guidance based on your experience level.Cross-Platform ConsistencyBolster infrastructure that supports both iPhone and Android devices, accommodating various OS versions and OEM variants.Collaborate with iOS and Android engineers to ensure a cohesive and seamless user experience.Feature DevelopmentImplement and optimize the collection of location data through Wi-Fi, network signals, GPS, and Bluetooth technologies.Adapt to evolving OS updates and privacy regulations, balancing precision with battery efficiency.Assist in the development of internal tools, including analytics dashboards, debugging utilities, and user-specific analysis tools.Operational ExcellenceMonitor system metrics, troubleshoot bugs, and proactively resolve performance issues.Ensure adherence to privacy regulations and OS standards.Cultivate robust engineering practices in testing, observability, and documentation.Commitment to Ongoing LearningEngage in continuous improvement and stay updated with technological advancements.

Your Impact The Data Product Manager serves as the primary liaison for internal stakeholders, helping them articulate their needs and collaborating with Analytics Engineering and Data Science teams to design, develop, and sustain a variety of data products. These include raw data, aggregated datasets, dashboards, and data exports that effectively solve user challenges. We are on the lookout for a Senior Product Manager specializing in Data and AI Platform to bolster our team. Our platform group is dedicated to creating tools and services that empower product teams, data scientists, and data engineers to innovate AI products. This encompasses solutions for data ingestion and export, product development, data access and exploration, as well as training, evaluating, and serving AI models. As a Platform Product Manager, your mission will be to define and prioritize strategic initiatives, ensuring the data and AI platform maximizes value for Doctolib and its users while maintaining scalability. This is an exhilarating time to join us as we implement transformative changes aimed at creating a more unified, open, scalable, and efficient platform to realize Doctolib's aspirations in AI. As a Platform PM, one of your core responsibilities will involve shaping the vision, strategizing to achieve that vision, tracking platform performance with appropriate metrics, and collaborating with the engineering team to prioritize and execute initiatives. Your responsibilities will include but are not limited to: Developing the data platform vision and roadmap by applying a product-focused approach to enhance the impact and scalability of each component and service. Working with data governance to establish robust data governance policies for effective data management. Defining and prioritizing solutions by leading the OKR definition for your team and collaborating with platform engineers to create a roadmap that aligns with the product vision. Engaging in short and mid-term prioritization, consulting with users and platform engineers, and securing the right resources to enhance platform elements. Facilitating communication with users and cross-functional teams to ensure alignment on the platform vision, strategy, and roadmap. Identifying user challenges and ensuring that products deliver the anticipated impact by maintaining continuous engagement with users and assessing the data and AI platform. Leading discovery sessions, scoping, and explorations while closely collaborating with stakeholders and data teams to guarantee that initiatives meet expected outcomes. Promoting the adoption of the data platform in conjunction with data teams and end-users.

Location: Flexible (Paris Issy-les-Moulineaux). This role provides the opportunity to work from home while being close to an office location. The Role As a Senior Cross-Platform Software Engineer at GoPro, you will play a pivotal role in enhancing and sustaining the core software that powers GoPro’s software ecosystem. You will be tasked with developing and refining software and tools that are utilized in mobile applications, desktop software, the GoPro cloud, and GoPro cameras. We are looking for a candidate with expertise across multiple platforms, programming languages, tools, and build systems who thrives in an agile software development environment. In this position, you will create high-quality, thoroughly tested libraries and tools that are compatible across various platforms. Collaborating with platform-specific teams, you will integrate these libraries and tools to construct a unified software ecosystem designed to help users capture and cherish their most treasured photo and video moments. What You Will Do Design, build, test, and maintain cross-platform software for client application development teams. Engage with a diverse array of platforms (desktop, mobile, cloud, embedded). Explore various domains, including media file format support, graphics programming, AI integration, platform abstractions, and algorithm development. Continuously enhance the quality and reliability of the code. Advance the software engineering system for improved software management, integration, and build processes. Skills We’re Excited About Bachelor's degree in Computer Science, Engineering, or a relevant field. 3-5 years of experience in cross-platform software development using C++ and at least one additional programming language. Excellent communication skills, both written and verbal. Bonus Points For Proficiency in modern C++ (C++11 and newer). Familiarity with the CMake build system. Experience developing libraries and applications for Windows, macOS, Linux, iOS, and Android. Strong skills in git, including GitHub Actions. Proficiency in Java, Kotlin, Swift, Objective-C, C#, and Python. Experience with Xcode, Visual Studio, and Android Studio. Background in working with photo, video, or audio media. A passion for photography and videography. Why Work With Us?

About LedgerAt Ledger, we are a passionate team of innovators dedicated to redefining digital ownership and freedom. Our mission is to empower users, creators, and enterprises to manage their value independently and securely. We thrive on curiosity and are committed to making technology inclusive for everyone. As a global leader in digital asset security, with over 20% of the world's crypto assets safeguarded through Ledger devices, we have established a strong presence not only in Paris, where our headquarters is located, but also across multiple international offices. Our diverse team of around 600 professionals develops cutting-edge products and services that allow individuals and businesses to seamlessly buy, store, swap, and manage their crypto assets, including our acclaimed hardware wallets, which have reached over 7.5 million units sold in 200 countries.We are currently on the lookout for a seasoned Director of Platform Engineering to lead our Platform Engineering team within the Infrastructure & Operations department. Reporting directly to the VP of Infrastructure & Operations, this pivotal role involves overseeing the development and maintenance of our cloud infrastructure, as well as enhancing developer platforms and tools. The ideal candidate will possess a robust technical foundation, outstanding leadership capabilities, and a genuine enthusiasm for creating resilient, scalable platform services while ensuring the reliability of production infrastructure.Key Responsibilities:Formulate and implement the platform engineering strategy in alignment with business objectives and Infrastructure & Operations goals.Lead and inspire the Platform Engineering team to achieve high performance.Establish and enforce best practices, standards, and architectural guidelines for platform services and production cloud infrastructure.Collaborate with engineering leadership and Infrastructure & Operations teams to define the requirements for platform and production systems.Serve as the ultimate escalation point for complex platform engineering challenges that exceed Level 2 operations support.

We are seeking a talented and experienced Senior Platform Engineer specializing in AWS to join our dynamic team at Devoteam. In this role, you will leverage your extensive knowledge of cloud technologies to deliver innovative solutions that help our clients achieve their business objectives.Your responsibilities will include designing, implementing, and managing cloud infrastructure projects, providing expert guidance on AWS services, and collaborating with cross-functional teams to optimize cloud operations.

Speechify is looking for a Software Engineer, Platform based in Paris, France. This position centers on developing and enhancing features for the company’s text-to-speech platform. Role overview The main goal is to design and build new capabilities that make Speechify’s platform stronger and more reliable. Work will directly support a better experience for users worldwide. What you will do Create and implement new features for the text-to-speech platform Contribute to projects that improve user experience for a global audience Location This role is based in Paris, France.

About UsAt Ankorstore, we're dedicated to empowering independent brands and retailers by streamlining the wholesale process, making it easier, quicker, and more profitable for all involved.Our aim is to create a robust infrastructure that supports contemporary wholesale practices for brands—from enhancing visibility among suitable retailers to managing orders, logistics, and financing—enabling both parties to collaborate on more sustainable terms.The role of Lead Data Platform Engineer is essential to our mission, overseeing the architecture, reliability, and strategic evolution of our data infrastructure.You will spearhead a diverse team of Data Engineers and Analytics Engineers to develop a state-of-the-art Modern Data Stack. Your objective is to connect raw infrastructure with business intelligence, ensuring efficient data ingestion and transformation using BigQuery, Airflow, and dbt, while also facilitating actionable insights through advanced visualizations in Sigma Computing and product analytics in Amplitude.

Join Waniwani as a Founding Platform Engineer and revolutionize our infrastructure for seamless scalability.We have pioneered the first insurance application integrated with ChatGPT. Today, numerous companies are eager to leverage our platform to establish their own AI-driven storefronts. Each client requires a dedicated MCP server, a unique codebase, and tailored distribution, all functioning seamlessly and interconnected under your management.About WaniwaniWaniwani is at the forefront of creating the AI distribution framework for the $10 trillion services economy. Our platform empowers businesses to offer quote-based services such as insurance and wealth management directly within LLMs, where consumer purchasing decisions are increasingly shifting. Imagine Shopify, but tailored for services — we are constructing the foundation for AI-native commerce.We are just beginning this transformative journey. Our launch of ChatGPT insurance resulted in a staggering $26 billion in market cap losses for major brokers within just 48 hours, marking what the press has dubbed "the industry's ChatGPT moment." We refer to it as Day 1.Why This Position MattersHaving surpassed the proof of concept stage, our product is operational. We are now tasked with managing this for hundreds of clients simultaneously, each with its own MCP server, distinct data pipelines, and customized distribution dashboards, all while ensuring the platform remains robust and responsive.This role presents a systems-level engineering challenge. You will be responsible for architecting a solution that allows Waniwani to expand from dozens to thousands of deployments. This includes multi-tenant infrastructure, orchestration of multiple codebases, and real-time data flow across a multitude of interconnected services. In this role, a single flawed abstraction can cost months, whereas a well-designed one can save years.We anticipate that AI will write 95% of your code. Your expertise will not lie in typing code but in discerning what needs to be built, how to structure it, and when the AI may be misguided. You will work at a pace that integrates LLMs as a fundamental aspect of your engineering process, rather than viewing them as a novelty. The key challenge will be exercising judgment, not merely keystrokes.

Outsight is revolutionizing spatial awareness with cutting-edge software solutions that track the movements of individuals and vehicles through advanced 3D LiDAR data.Our innovative services cater to operators of transportation hubs such as airports and train stations, as well as sports venues, road infrastructure, and industrial sites. By leveraging our technology, these operators gain access to precise and anonymous Spatial Intelligence data, enhancing operational efficiency while ensuring user safety and satisfaction.Our diverse team of scientists and engineers is dedicated to creating impactful solutions from our offices in Paris, San Francisco, Sophia-Antipolis (Nice), and Hong Kong, with additional commercial outreach in Spain.Discover more about us at Insights about Outsight.Our Passenger Flow Traffic Monitoring solution is utilized by premier airports and train stations across four continents, recognized for their commitment to operational excellence and superior passenger experience. Our technology is also deployed in sectors such as Tourism, Retail, and Sports. Moreover, our Car Traffic Remote Monitoring product is trusted by several high-profile clients, including BMW.At the heart of our operations is our Hybrid SaaS platform, SHIFT, which transforms raw data from LiDAR and Edge AI devices into actionable real-time insights—optimizing passenger flow at international airports and ensuring safety in industrial environments. Our complex infrastructure encompasses on-premise Edge devices, cloud backends, and user interfaces.Your Mission: Lead the Platform StrategyWe have developed the most powerful Spatial Intelligence application in the industry. Now, we are embarking on a transformative journey to evolve our software into an Open, Autonomous Platform.We are seeking a Senior Product Manager to oversee Pillar 3 of our roadmap: Scalable & Composable Experiences. You will think beyond immediate tactical achievements, shaping the ecosystem for the future (Q3 2026 and beyond).Your goal is to modularize our technology into building blocks (APIs, SDKs) and automate the operations of our distributed Edge-to-Cloud infrastructure.

Join our innovative team at Vusion Group SA as a Data Platform Engineer. You will play a pivotal role in designing, developing, and maintaining our data platforms, ensuring high performance and scalability. Collaborate with cross-functional teams to deliver state-of-the-art data solutions that drive business insights and optimize decision-making processes.