Full-Stack Engineer at Nabla | Paris

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 provi…

About UsAt CryptoNext Security, we are pioneers in the realm of deep technology, focusing on post-quantum cryptography. Our innovative solutions empower businesses and institutions to safeguard their data against the impending challenges posed by quantum computing. We proudly collaborate with prominent clients across sectors such as finance, defense, and telecommunications.Your Daily ResponsibilitiesCraft and implement dynamic user interfaces utilizing React for our advanced post-quantum cryptography products.Work collaboratively with Product and Backend teams to deliver a seamless and user-friendly experience.Enhance performance while ensuring cross-browser and cross-device compatibility.Integrate REST APIs to facilitate interaction with backend services.Engage in code reviews and uphold best practices, including unit testing, continuous integration, and comprehensive documentation.Propose enhancements to frontend architecture through technological upgrades and refactoring.Foster improvements in our products beyond your typical responsibilities.Adhere to our frontend team principles: “Done over perfect” / we prioritize speed: KISS, DRY (Don't Repeat Yourself), SOLID.Essential SkillsProficient in React / Next.js along with its ecosystem (React Hooks, Context API).Solid understanding of TypeScript and fundamental programming principles.Experience with modern UI libraries such as Tailwind or chadcn/ui.Proven track record in integrating REST APIs.Strong knowledge of frontend performance optimization and related tools (Webpack, Vite, Core Web Vitals).Familiarity with frontend testing frameworks like Jest, React Testing Library, and Cypress.Competence in Git, CI/CD pipelines, and DevOps for automated integration and deployment.Desirable SkillsExperience with gRPC.Understanding of secure coding practices and application security.Basic knowledge of cryptography and cybersecurity.Experience in a startup or deeptech environment.Join Our TeamYou will become a key member of our R&D team, collaborating closely with backend developers, product managers, and UX/UI designers. You will report to the team lead and work with various departments to develop high-performance, user-centric interfaces that align with our clients' needs.Application ProcessInitial conversation with our HR team to discuss your background and motivations.Technical interview to assess your skills and fit for the role.

Are you passionate about innovating in the tech world? Do you thrive on tackling intricate business challenges in a dynamic, collaborative, and inclusive environment? At Capital One, you will join an energetic team of innovators and problem-solvers committed to addressing genuine customer needs.We are on the lookout for Full Stack Software Engineers who are eager to integrate data with cutting-edge technologies. As part of the Capital One team, you will play a pivotal role in a significant transformation initiative.In this position, you will contribute to an enterprise-wide data management and governance application designed to oversee digital assets, including datasets, data stores, and applications across Capital One. This centralized repository will enhance the navigation, discovery, and management of digital assets, ensuring data security and compliance.

Who Are We? Safran.AI (formerly Preligens) specializes in advanced artificial intelligence solutions designed for analyzing high-resolution satellite imagery, full motion video (FMV) streams, and acoustic signals. Our innovative tools are deployed across the aerospace, defense, and governmental sectors. Since 2016, the company has been at the forefront of developing complex algorithms and software that automate the analysis, detection, and identification of military-relevant objects using both commercial and governmental data sources. As a part of the Safran group since September 2024, Safran.AI is also instrumental in transforming the group by applying AI solutions to Industry 4.0 domains. For instance, automated image analysis can assist inspectors in identifying potential anomalies in critical components from digital photographs. At Safran.AI, innovation and the pursuit of a safer world are embedded in our culture. Joining our team means collaborating with passionate, multi-disciplinary experts (engineers, researchers, developers) who are driven by a shared commitment to technological excellence. We foster a stimulating work environment where creativity and initiative are encouraged, and every idea is valued. Your Mission, Should You Choose to Accept It As a Full Stack Developer, you will be instrumental in the design and ongoing development of our product and infrastructure, primarily utilizing Python, PostgreSQL, and other cutting-edge technologies. → Design, develop, and maintain our back-end infrastructure and automated pipelines.→ Create, maintain, and evolve user interfaces (JS/CSS) for partner plugins.→ Collaborate with the team on specifications, testing, and technical best practices.→ Work closely with all teams and subject matter experts to understand end-user needs.→ Ensure high code quality for our frameworks by applying best practices and mentoring others. Technology Stack:Our development teams primarily use Python for back-end development and JavaScript (React) for front-end solutions. We also leverage Docker for deployment and SQL/PostgreSQL for database management.

Who are we?At MARGO, our consultants focus on what truly matters: intricate projects that combine intellectual challenges and direct impact on financial markets. We support leading players in the capital markets on their most strategic initiatives involving real-time systems, trading, risk management, and automation of the financial product lifecycle.Why join the CMT practice?You will work within a team led by Christophe El Harake, CMT Practice Manager at MARGO, a former Business Analyst at BNP, ENGIE, and Amundi. Collaborating with him means joining a passionate team of experts, enjoying high-level mentorship, being technically and methodologically challenged, and contributing to projects with a significant impact on financial markets.Your ResponsibilitiesWe are currently seeking Front Office Business Analysts for a major investment bank. You will be part of an international team made up of Business Analysts, developers, quants, and IT experts, working on strategic and diverse projects.You will contribute to major Front Office projects, including:- Implementing a financial product lifecycle management application to automate pre-trade transactions;- Gathering and translating business requirements, writing specifications and test plans;- Validating new versions (...

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 Alten as a Full Stack Developer specializing in Vue.js and PHP Laravel. We are seeking passionate developers who thrive in innovative environments. You will work on exciting projects that challenge your skills and allow you to grow professionally.

About UsCryptoNext Security is a pioneering deeptech startup focused on post-quantum cryptography. We empower institutions and enterprises to navigate a future where quantum computing poses a threat to existing cryptographic standards. Our collaborations span major sectors including finance, defense, and telecommunications, as we deliver state-of-the-art, quantum-safe security solutions.Your RoleIn your capacity as a Full Stack Developer, you will play a key role in advancing DISCOVERY, our innovative observability and orchestration platform tailored for post-quantum cryptography operations.You will engage with the entire technology stack — developing backend services, managing data flows, and crafting frontend interfaces — while working closely with product, backend, and infrastructure teams.Responsibilities Design, develop, and maintain comprehensive full-stack features for the DISCOVERY platform. Create modern, responsive React front-ends that integrate seamlessly with Node.js and Kafka backends. Participate in architectural discussions and propose technical enhancements in line with our long-term product vision. Backend Development & APIs Design and implement efficient REST and event-driven APIs. Ensure optimal performance, scalability, and resilience across distributed components. Collaborate with backend engineers on domain modeling, API contracts, and data flows. Data Visualization & Observability Implement advanced data visualization and monitoring features using the ELK stack (Elasticsearch, Logstash, Kibana). Integrate backend logs, metrics, and analytics into user-friendly frontend dashboards. Engineering Standards Engage in code reviews and maintain high standards of engineering excellence. Contribute to technical documentation and advocate for software craftsmanship. Adhere to the KISS, DRY, SOLID principles, and embrace pragmatic engineering methodologies (“done is better than perfect”). DevOps & CI/CD Assist in deployment workflows, CI/CD pipelines, and automation initiatives. Work within Docker/Kubernetes environments to ensure smooth delivery of applications.

About UsAt MARGO, our consultants focus on what truly matters: tackling complex projects that merge intellectual challenges with real business impact.We partner with leading figures in finance, industry, and technology on their most strategic initiatives in Data Science, Machine Learning, and Artificial Intelligence.Why Join the AI Practice?You will be part of a team led by Hamza Bouanani, the AI Practice Manager at MARGO and Lead Data Scientist at BNP Paribas.Working alongside him means becoming part of a passionate group of experts, being technically challenged, and contributing to impactful projects for our clients.Your ResponsibilitiesWe are currently seeking an AI Engineer to support the technological transformation of our clients. You will join a team of technical excellence to design, deploy, and maintain state-of-the-art Generative Artificial Intelligence solutions:You will engage in three major areas:Advanced AI Architectures & Agentic AI- Design and develop Agentic AI architectures capable of reasoning and executing complex tasks autonomously.- Orchestrate multi-agent systems to address cross-functional business use cases.- Select and fine-tune the most suitable models (open-source or proprietary) for performance and cost needs.Development & Deployment of RAG- Implement robust RAG (Retrieval-Augmented Generation) pipelines to connect LLMs with enterprise data.- Manage vector indexing and optimize semantic search (Vector DBs).- Develop APIs and integrate AI components into the existing application ecosystem.Industrialization & Monitoring (LLMOps)...

Join our dynamic technical team of around thirty professionals in a warm and fun work environment! You have the freedom to choose your preferred workstation setup, allowing you to work in the way that suits you best.Your day-to-day will involve tackling a diverse range of challenges, including API development, implementing new features, creating proofs of concept (POCs), and managing application maintenance (TMA).Our technology stack includes:NodeJs & ExpressJS;AngularJs, VueJs;MongoDB, Postgres;Kubernetes & Docker;AWS;

Company Overview:Tessan is a fast-growing French startup specializing in telemedicine, dedicated to combating medical deserts across France. With over 1,500 devices deployed in less than six years, our mission is to ensure that every French citizen can access a doctor within 15 minutes of their home.We are expanding our team to support our product growth and accelerate our technological projects in web, mobile, data, and AI solutions. We are looking for a Full Stack Developer Intern (H/F) to join our technical team and actively contribute to the development of our digital solutions.Key Responsibilities:In a context of rapid product growth and technological innovation, you will participate in developing and enhancing our applications and services. You will collaborate with the technical team on various topics ranging from product development to optimizing our data and AI tools.1) Product Development (Web & Mobile)Engage in continuous development of the Tessan mobile and web applicationsContribute to the creation of new features (front-end & back-end)Assist in bug fixing and ongoing improvements of the applications2) Service Maintenance & ImprovementParticipate in maintaining the backend services and APIsContribute to enhancing performance and stability of servicesHelp establish best development practices (testing, code quality, documentation)3) Optimization & AutomationAssist in optimizing technical and operational processesParticipate in automating workflows (data handling, synchronization, processing)Utilize AI tools to improve productivity and development efficiency4) CI/CD, Deployment & IndustrializationContribute to improving CI/CD pipelinesAssist in deploying and industrializing new projectsHelp implement monitoring tools and service tracking5) Architecture & Technical ProjectsEngage in architectural discussions (mobile, web, backend)Enhance skills on technical choices and best development practicesContribute to data-related projects, data pipeline, and topics around Big Data and AI as projects progress6) Cross-Department CollaborationWork collaboratively with product, operations, and business teamsParticipate in technical discussions and progress meetings with the team

Join Altersolutions as a Senior Full-Stack Developer specializing in ReactJS and Redux. In this pivotal role, you will leverage your expertise to design and implement innovative web applications, ensuring high performance and responsiveness to user interactions. Collaborating with cross-functional teams, you will drive the entire software development lifecycle, from concept through delivery.

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 MARGOMARGO is a consulting firm specializing in Data, AI, and Software Engineering, established in 2005. With a presence in France and internationally, we bring together top experts to tackle the most challenging technical tasks for our discerning clients. MARGO aims to become a major player in AI, strengthen client relationships, and expand its premium positioning among new market players.YOUR ROLE AS A BUSINESS DEVELOPERManage the entire pre-sales cycle:- Identify and pursue companies with complex technical needs to challenge our consultants.- Conduct mappings: Research company activities, monitor prospects on LinkedIn or other channels, and identify key individuals likely to respond.- Cold Calling: Reach out to companies to understand their needs and tailor your MARGO pitch to secure a meeting with a Business Manager.Contribute to the recruitment of consultants:- Source and evaluate highly qualified engineering profiles through various channels (LinkedIn, CV databases, personal and professional networks).- Engage with candidates to present MARGO and our opportunities, guiding them through our recruitment process.- Participate in initial interviews with recruitment team members, discussing candidates' experiences and helping them envision a future at MARGO with examples of MARGO's signature missions.Being a Business Developer at MARGO means choosing:- To not limit yourself to a single stage of the sales cycle.- To work with and for consultants.- To potentially progress to a permanent position.- To be part of a company that values its human capital.

At Front, we are revolutionizing customer operations with our unique platform designed for the complexities of B2B interactions. Our solution ensures every team, tool, and customer conversation remains connected, empowering companies to scale while maintaining meaningful relationships. Unlike others that focus on simple interactions, Front excels in managing the intricacies of B2B customer relationships, and we proudly serve over 9,000 businesses, including industry leaders like Uber Freight, Navan, and Stripe.Supported by prominent investors such as Sequoia Capital and Salesforce Ventures, Front has successfully raised $204 million from top-tier venture capitalists and independent investors, comprising notable executives from Atlassian, Okta, Qualtrics, Zoom, and PagerDuty. Our commitment to creating a positive work environment has earned us multiple accolades, including Built In's 100 Best Midsize Places to Work in SF 2025, Top Places to Work by USA Today 2025, and #4 on Fortune’s Best Workplaces in the Bay Area™.In the Workflows pod, our goal is to transform complexity into streamlined processes through automated workflows, allowing our customers to achieve operational excellence.Key Responsibilities:Work closely with product managers, designers, and other engineers to develop innovative solutions.

About Our TeamAt OpenAI, our Forward Deployed Engineering team collaborates closely with clients to transform groundbreaking research into robust production systems. We operate at the nexus of customer engagement and core platform innovation.About the RoleWe are seeking passionate, customer-oriented software engineers to develop tailored software solutions utilizing OpenAI’s APIs to address real-world challenges faced by our clients. As a Forward Deployed Software Engineer (FDSWE), you will collaborate with customers and fellow engineers to architect and implement scalable solutions that tackle complex issues. You will create abstractions that resolve customer challenges, enhancing our capacity for high-speed, high-quality delivery across all Forward Deployed projects.In this role, you will work closely with Sales, Solutions Engineering, Solutions Architects, and Customer Success Managers on shared accounts, while also providing valuable feedback to our Research and Applied Product and Engineering teams.This position is based in Paris, following a hybrid work model of three days in the office each week. We offer relocation support and require travel up to 50% of the time.Your Responsibilities:Engage deeply with key customers to gain a thorough understanding of their business challenges and technical needs.Design, architect, and develop comprehensive full-stack solutions using a methodical, experiment-driven approach.Draft detailed scopes of work and project plans for both prototype proofs of concept and full production implementations.Act as a technical expert and trusted advisor, collaborating directly with customers' technical teams to ensure project success.Work alongside Product, Research, and Applied teams to facilitate seamless customer experiences and gather actionable product feedback.Contribute to our internal knowledge base by documenting best practices and insights from customer engagements to enhance the Forward Deployed Engineering function.Ideal Candidate Profile:At least 7 years of professional full-stack engineering experience (excluding internships), with a strong focus on customer-facing roles.Proficient in modern programming languages and frameworks, with a proven track record in developing scalable applications.Strong analytical and problem-solving skills, with the ability to communicate complex technical concepts clearly to non-technical stakeholders.Experience working in a hybrid team environment, balancing remote and in-office collaboration.A proactive and adaptable mindset, with a passion for leveraging technology to drive positive customer outcomes.

Join MARGO as a Business Developer!About MARGOFounded in 2005, MARGO is a leading consulting firm specializing in Data, AI, and Software Engineering. With a strong presence in France and internationally, we gather top experts to tackle challenging technical missions for demanding clients. Our ambition is to solidify our position as a major player in AI and to enhance our premium offerings to new market participants.Learn Business DevelopmentAt MARGO, we believe that talent in sales is not purely innate but can be developed through structured training. Our junior sales team learns to transform their natural abilities into expertise through theory, training, and application. In their career progression, they will have the opportunity to mentor new salespeople and eventually advance to Head of Sales roles.What You Will LearnDuring your first year at MARGO, you will gain valuable insights such as how to set SMART goals, recognize objections and respond effectively, maintain credibility, and master negotiation tactics.Your ResponsibilitiesAs a Business Developer at MARGO, you will be closely engaged with our clients in the field. Your core responsibilities will include:Building and developing a client portfolioIdentifying new opportunities and assessing client needsPresenting distinctive commercial proposalsLeading negotiations and closing deals

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.

MARGO is a leading IT and data consulting firm, renowned for its expertise in cutting-edge technologies and its innovation ecosystem. We invest significantly in internal R&D to transform scientific advancements into tangible solutions for our consultants and large clients.As part of our growing Practice IA, we are seeking a passionate Junior Doctor R&D specializing in Generative AI, Machine Learning, and the industrialization of applied research.At MARGO, you will have the freedom to choose:100% Internal R&D: exclusively contribute to our innovation projects.R&D + Client Missions: apply your skills to exploratory and strategic projects with our clients, tackling cutting-edge issues.Your Role:As a Junior Doctor R&D, you will play a key role in our innovation strategy. You will work on applied research projects while contributing to the industrialization and dissemination of our AI solutions.Your Main Responsibilities:1. Internal R&D Projects and Innovation- Develop complex AI agent systems for internal and client use cases.Current Examples: MargoZilla (HR agent), MargoVer (database optimization), internal RAG framework.- Experiment with Foundation Models (LLMs, multimodality, NLP, ML).- Explore cognitive robotics and embodied AI on robots (Reachy or others).2. Industrialization and Valorization- Design reusable tools (packages, templates, frameworks).- Ensure scientific and technical quality (reproducibility, documentation, best coding practices).- Convert R&D outcomes into valuable assets for our AI offerings.3. Monitoring, Sharing, and Training- Conduct continuous technological monitoring (research papers, benchmarks, conferences).- Share your findings via:* internal presentations,* training materials for consultants,* client summary notes.4. Client Support and Missions (optional)- Assist our clients with the latest AI solutions (POC, prototyping, architecture choices).- Contribute to solving concrete issues in exploratory or strategic contexts.5. Visibility and Expertise- Represent the Practice IA to clients and prospects (workshops, demonstrations).- Publish technical articles (Medium, etc.).

Located in the vibrant heart of Paris, Winamax is at the forefront of the online gaming industry. As a leader in poker and sports betting in France, we boast a community of 350,000 players and 600,000 monthly bettors. Our presence extends to Spain, Germany, and soon to Italy and Portugal. We are dedicated to providing our players with an exceptional experience that is technical, creative, and high-quality. Our core values of innovation, unity, and belonging foster a unique multicultural corporate culture.Imagine building your future in gaming!Technically, Winamax is:• A powerful and innovative gaming engine: dynamic adaptation of game offerings, highly configurable poker games, fraud detection.• A distributed and scalable architecture designed to handle real-time platform streams.• A modular platform that meets high availability and data security requirements, capable of managing significant traffic.ABOUT THE ROLEAs a member of our Tech team, you will play an active role in the development of the next generation of Winamax applications (desktop and mobile) and enhancing our cross-platform engine.This position is part of the Casino team responsible for developing Casino game clients (iOS, Android, Windows, Mac, Linux, Web).As a Senior Full-Stack Developer, you will be instrumental in designing, developing, and deploying our applications. Your responsibilities will include:• Developing innovative and scalable features for both front-end and back-end.• Producing robust code for real-time gambling applications.• Managing end-to-end processes: specifications, development, testing, and deployment.• Continuously improving software architecture and development best practices.