Senior Back-End Engineer at Nabla | Paris

About NablaAt Nabla, we are a dynamic collective of entrepreneurs, clinicians, and engineers dedicated to reinvigorating the joy of practicing medicine.In collaboration with a community of innovative clinicians, we have leveraged cutting-edge machine learning to create Nabla: the premier AI assistant designed to restore the human connection in healthcare. By…

nabla is looking for a Senior Front-End Engineer with deep experience in React to join the Paris office. This position centers on building web applications that are both dynamic and user-friendly, with a strong focus on delivering a polished user experience. Role overview Work closely with colleagues across disciplines to design, develop, and refine the front-end architecture. The goal is to ensure applications remain fast, responsive, and reliable. Day-to-day, expect to collaborate with product and design teams to translate ideas into seamless interfaces. What you will do Develop and optimize React-based web applications for performance and usability Work with cross-functional teams to implement new features and improvements Guide junior developers and help set coding standards, testing procedures, and deployment practices Impact This role shapes the quality of nabla’s products and directly influences customer satisfaction. Senior engineers here play a key part in mentoring others and establishing best practices across the front-end team.

About Nabla Nabla brings together entrepreneurs, clinicians, and engineers with a shared goal: making clinical work more rewarding for healthcare professionals. The team partners closely with forward-thinking clinicians to build an AI assistant that streamlines documentation and supports patient care. Nabla’s platform is now trusted by over 100,000 clinicians in more than 130 healthcare organizations. With recent Series C funding of $70M, Nabla is growing its Paris-based team to develop the next wave of clinical AI. The company’s roadmap includes expanding features such as ambient listening, dictation, coding, and command tools, all aimed at improving both clinical and financial workflows. AI and Healthcare at Nabla Nabla’s rapid growth is built on three years of focused product development. The engineering team, including former Meta AI Research engineers, stays ahead of the curve in applying AI to healthcare. The company benefits from the guidance of Yann LeCun, Chief AI Scientist at Meta and Turing Award winner, who serves as an advisor. Engineering Culture Engineering at Nabla is lean, agile, and technical. Teams work across machine learning, desktop applications, and platform infrastructure to deliver AI solutions that can scale in clinical environments. How Teams Work Product development at Nabla happens in cross-functional squads. Each squad focuses on a specific product area and includes product managers, designers, engineers with varied backgrounds, and domain experts. High ownership and collaboration define the way these squads operate. Senior Full-Stack Engineers join a squad and contribute to a focused part of the product. What You Will Do As a Senior Full-Stack Engineer in the Paris office, expect to play a key role in building and scaling Nabla’s AI-powered healthcare platform. The work covers multiple layers of the platform, integrating advanced technologies to improve both user experience and operational efficiency.

About NablaAt Nabla, we are a pioneering team of entrepreneurs, clinicians, and engineers dedicated to revitalizing the joy of practicing medicine.In collaboration with a network of clinician innovators, we have leveraged cutting-edge machine learning technologies to create Nabla: the foremost AI assistant that is reestablishing the vital human connection in healthcare. By optimizing clinical documentation, Nabla empowers clinicians to prioritize what truly matters - patient care. Currently, over 85,000 clinicians from more than 130 healthcare organizations rely on Nabla to enhance their daily care delivery.We are embarking on an exciting journey: Ambient listening, dictation, coding, and command capabilities are merging into a proactive assistant that intuitively improves clinical and financial workflows.With a recent $70M Series C funding, we are expanding our team to build the next generation of clinical AI and enhance the lives of clinicians and patients globally.Join us at this pivotal moment!Leading AI Solutions for HealthcareNabla's impressive growth is the culmination of three years of dedicated product development.Our team, guided by former Meta AI Research engineers, consistently foresees how AI can transform healthcare delivery. The Machine Learning division continually harnesses the latest innovations to realize AI's full potential in healthcare.Notably, Yann LeCun, Meta’s Chief AI Scientist and Turing Award recipient, serves as an advisor to Nabla.Engineering Culture at NablaOur engineering environment is streamlined, agile, and highly technical. Our teams encompass machine learning, native desktop applications, and platform infrastructure to deliver AI solutions in clinical settings reliably and at scale.Your RoleAs a Senior Machine Learning Engineer, you will be instrumental in transforming clinicians’ workflows, enhancing patient care, and ensuring Nabla stays at the forefront of AI advancement. You will take the lead on impactful projects and play a key role in the maturation of our products, contributing to the overall success of our mission.

About Nabla Nabla brings together entrepreneurs, healthcare professionals, and engineers to restore the joy of practicing medicine. The team collaborates closely with innovative clinicians, applying advanced machine learning to build an AI assistant that strengthens the human connection in healthcare. By streamlining clinical documentation, Nabla helps providers focus on patient care. Today, more than 100,000 clinicians from over 130 healthcare organizations use Nabla to support their daily work. With $70M secured in a recent Series C round, Nabla is expanding to advance clinical AI and improve experiences for clinicians and patients worldwide. The company is currently developing a proactive assistant with ambient listening, dictation, coding, and command features to simplify both clinical and financial workflows. AI and Product Development Over the past three years, Nabla has invested deeply in product development. The team includes former Meta AI Research engineers, working at the intersection of AI and healthcare. Nabla’s Machine Learning group leverages the latest research to unlock new possibilities for care delivery. Yann LeCun, Chief AI Scientist at Meta and Turing Award recipient, advises Nabla. Engineering at Nabla Nabla’s engineering culture is lean, agile, and technical. Teams specialize in machine learning, native desktop applications, and platform infrastructure, all focused on delivering reliable AI solutions at scale for clinical environments. Role Overview: Full-Stack Engineer (Paris Office) The Full-Stack Engineer will join a cross-functional squad, working alongside product managers, designers, engineers, and domain experts. Squads at Nabla operate with strong ownership, taking products from concept to launch together. Main Responsibilities Build and improve features for Nabla’s web and desktop products. Help design and implement back-end APIs and services.

Join Voodoo as a Senior Back-end Engineer to lead the development of Wizz, a dynamic social app for teens. Utilize your technical expertise to enhance our backend architecture, optimize scalability, and ensure performance for millions of users. Collaborate with cross-functional teams to shape the product vision and contribute to decision-making processes, making a tangible impact in the world of mobile applications.

Join Our Innovative TeamAt Equativ, we are dedicated to creating cutting-edge advertising technologies that help our clients achieve their digital business objectives. Our extensive platform processes over 3 million requests per second, resulting in more than 250 billion daily requests, all managed by a robust infrastructure of 3,000 servers, delivering responses in under 250 milliseconds.Our dynamic innovation team, located in Paris, Nantes, Bordeaux, Limoges, Krakow, and Berlin, consists of over 150 enthusiastic engineers who thrive in an Agile environment, tackling complex technical challenges head-on. Your RoleAs a Back-End Engineer on our Addressability team, you will collaborate with a talented group of back-end developers and data engineers to build and query a multi-billion entry ID Graph, integrate third-party data providers, and empower our customers and business teams with advanced targeting and reporting capabilities.What You Will Do Ingest and manage vast amounts of data in high-performance key-value stores.Execute millions of user data queries per second with minimal response times.Enhance our graph to improve speed and efficiency.Make informed design trade-offs between features and performance.

Join ScorePlay, the leading AI media platform in sports dedicated to enhancing the connection between clubs, athletes, and fans. We collaborate with over 270 clubs, leagues, and federations, including prestigious names like Ligue 1, Premier League, NBA, NFL, Tour de France, Australian Open, UEFA, and FIBA. Our mission is to transform every significant moment, both on and off the field, into engaging content that strengthens community ties.Since our inception in 2021, our dynamic 45-member team has expanded rapidly, achieving a remarkable 3x growth year over year and an almost 100% retention rate. With over $20M raised from prominent investors, including Alexis Ohanian and elite athletes like Kevin Durant and Raphaël Varane, we are making significant strides in the sports media industry.If you have a passion for sports and thrive in a fast-paced work environment, we invite you to help us redefine how future generations experience sports. This is an exceptional opportunity to join a company poised to become the global leader in sports media. OverviewWe are seeking a talented Senior Back-end Engineer to become a pivotal member of our Video Production team, which is central to ScorePlay's innovative platform.In this role, you will take charge of the back-end services that drive our video processing and media automation systems, ensuring they are robust and efficient.This is a unique opportunity for an individual who desires autonomy and impact in their work, ready to take full responsibility for their projects while collaborating across product, video, and front-end teams. What You Will Work On:Backend DevelopmentDesign, develop, and maintain back-end services, APIs, and data pipelines using Go and related technologies.Monitor system performance and reliability to ensure scalable and maintainable solutions.Data & DatabasesDesign and optimize database schemas, queries, and indexing for efficient data storage and retrieval.

Join our dynamic team at myjobcompany1 as a Back End PHP Developer. You will work on exciting projects that contribute to our innovative software solutions. Your primary focus will be on designing and implementing server-side logic, ensuring high performance and responsiveness to requests from the front end.

Join our dynamic team as a Back-End Developer specializing in NodeJS. You will be responsible for developing and maintaining high-performance server-side applications. Collaborate with our front-end developers to integrate user-facing elements with server-side logic. Your role will also involve optimizing applications for maximum speed and scalability.

Join nabla as an Engineering Manager and lead a dynamic team dedicated to innovative solutions in technology. In this role, you will oversee the engineering department, ensuring that projects are delivered on time and meet quality standards. You’ll work closely with cross-functional teams to drive product development and improve processes, fostering a culture of collaboration and continuous improvement.

Join nabla as a Senior Machine Learning Engineer specializing in Speech to Text technologies. You'll work at the forefront of AI, developing innovative solutions to enhance communication through advanced speech recognition. Collaborate with a talented team to push the boundaries of machine learning applications, focusing on real-world impact and user experience.

At Flowdesk, we are on a mission to revolutionize financial services for digital assets, establishing a global institution meticulously designed for market integrity and efficiency.In a fast-paced and continuously transforming market, we employ a disciplined, first-principles methodology that permeates every aspect of our operations. This philosophy is integral to our core services, which include institutional liquidity provision, trading solutions, OTC execution, and extensive treasury management offerings. Our dedication to clarity and efficiency allows us to craft resilient and scalable systems across our diverse business verticals.We are looking for passionate individuals who resonate with our systematic approach. Joining Flowdesk means contributing significantly to the creation of a more transparent and efficient financial market infrastructure.As a Senior Back-End Engineer at Flowdesk, you will play a pivotal role in designing and developing the foundational services that drive our global trading platform. Reporting directly to Flowdesk’s Lead of Backend Engineering and collaborating closely with the Infrastructure, Trading, and Data teams, your contributions will be vital to the scalability, performance, and reliability of our backend systems.Your collaborative mission with the backend team will encompass:Crafting, developing, and sustaining microservices primarily in Rust, with additional services and tools developed in TypeScript.Engaging in system architecture and design discussions that shape the future of our backend services and trading platform.Creating scalable and resilient backend systems to support OTC and API trading workflows.Building and optimizing high-performance trading services with an emphasis on low latency, high throughput, and fault tolerance.Designing and maintaining REST and WebSocket APIs, ensuring appropriate versioning, comprehensive documentation, and seamless integration for both internal and external clients.Writing clean, maintainable, and testable code in adherence to industry best practices, code review standards, and internal guidelines.Monitoring, diagnosing, and resolving production issues, including performance bottlenecks and service outages, in close cooperation with SRE/Infra teams.Deploying, scaling, and monitoring microservices in cloud and containerized environments, utilizing tools such as Kubernetes and modern CI/CD pipelines.

Join our Digital Transformation team at altersolutions, where you will collaborate with a group of software development experts dedicated to supporting our clients.You will be assigned to a leading player in the Banking and Market Risk sector, working alongside a team of skilled developers.Your responsibilities will include:Enhancing the web application by adding new validation criteria for risk analysis and improving its usability.Modifying and evolving integration workflows.Developing a web service for the automatic update of all deals referenced in the application.Creating a Windows service to manage snapshots of financial indicator versions.Analyzing and resolving anomalies.Acting as a release manager.Facilitating production deployment.

Join our innovative team at nexton as a Back End Developer specializing in Scala. In this role, you will play a crucial part in designing and implementing robust backend systems that support our applications in the Telco, Media, and Transport sectors. You will collaborate with cross-functional teams to deliver scalable solutions and enhance system performance.

Located in the vibrant heart of Paris, Winamax is revolutionizing the online gaming industry. As a leading platform for poker and sports betting in France, we boast a community of over 350,000 players and 600,000 monthly bettors. Our services extend to Spain, Germany, and soon to Italy and Portugal. We pride ourselves on delivering an exceptional experience that is technical, creative, and of high quality. Innovation, unity, and belonging are the core values that shape our unique and multicultural corporate culture.Are you ready to shape the future of gaming?Technically, Winamax offers:• A powerful and innovative gaming engine: dynamic game offer adjustments, highly configurable poker games, and fraud detection.• A distributed and scalable architecture designed for real-time processing of platform flows.• A modular platform adhering to high availability and data security constraints, capable of handling heavy traffic.ABOUT THE ROLEAs a member of the Poker team, you will play a key role in the design, implementation, and oversight of the microservices powering our poker platform.ROLE DESCRIPTION• Design of the platform architecture.• Development of highly available and scalable microservices.• Development of APIs and data models.• Writing unit and end-to-end tests, and running scenarios in real-world conditions.• Participating in team code reviews.• Deployment of applications on AWS.• Monitoring and optimization of the poker platform.• Documenting the architecture and poker services.• Collaborating with Front-End, Data, Infrastructure, Security teams, and project managers.Examples of projects include:• Creating a poker gateway with authentication, rate limiting, routing, and pub/sub (10K+ messages/second).• Implementing a registration microservice (1,000 registrations/second).PROFILE SOUGHTThe ideal candidate will possess the following qualities and skills:• Significant experience in developing Back-End services on high-traffic platforms (10K+ requests/second).• Proven experience with load balancing, high availability, scaling, caching, database, and storage challenges.• Proficiency in architectural best practices and microservices development.

Blockchain.com is at the forefront of revolutionizing the financial landscape through cryptocurrency. As the leading and fastest-growing global crypto company, we empower millions of individuals around the globe to access cryptocurrency securely. Since our inception in 2011, we have gained the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.We are on the hunt for a talented Front-End Engineer with a passion for crypto and Web3 technologies to join our dynamic engineering team. In this role, you will work on developing innovative Blockchain applications that are among the most popular in the crypto ecosystem. Your contributions will shape user interfaces that power future wallets, block explorers, financial and market data products, along with cutting-edge visualizations.Our engineering teams engage in all phases of the product life cycle, encompassing idea generation, design, prototyping, planning, execution, and deployment.

Your Responsibilities :As a Java JEE Developer / Software Engineer (H/F), you will collaborate with an agile team to drive back-end or full-stack development for one of our esteemed clients, focusing on:Analyzing architecture to ensure improvements meet expectations.Developing analytical tools for delivered components.Creating new features on a new platform compatible with current architecture.Automating testing procedures.Additionally, you will be involved in:User demonstrations.Integration testing.Production delivery (coordinating with infrastructure and security teams).Web and server development (NGINX, Apache, Tomcat, ...).Production and operational deployment procedures.Continuous integration (Jenkins, GitLab, Bitbucket, ...).Continuous deployment (Ansible, AWX, Octopus, GitLab, ...).Creating and participating in test cases.

Join our dynamic team at myjobcompany1 as a Senior Front-End Engineer (H/F)! In this role, you will play a crucial part in developing cutting-edge web applications that provide an outstanding user experience. You will collaborate closely with designers and backend developers to create seamless and responsive user interfaces. We are looking for innovative thinkers who are passionate about technology and eager to contribute to exciting projects.

nexton is hiring a Back End Developer to join the team in Paris. This role centers on building and maintaining server-side services using Java, NodeJS, Kotlin, and AWS. What you will do Design, develop, and maintain back-end services for nexton applications Collaborate with colleagues across teams to deliver software solutions Support and enhance nexton's products through project contributions Key technologies Java NodeJS Kotlin AWS Location This position is based in Paris.