Junior / Confirmed Fullstack Engineer (Foundation squad)

Are you a passionate Fullstack Engineer looking to make an impact? Join Doctrine as a Senior Fullstack Engineer in our dynamic Squad Scribe, where you will lead innovative projects and collaborate with a talented team. You will work on designing, developing, and implementing user-friendly applications that enhance our client's experience.

Join our dynamic team as a Fullstack Developer in the Squad Maât at Doctrine! You will play a key role in developing innovative software solutions that empower our users and enhance their experience. If you are passionate about coding, problem-solving, and working in a collaborative environment, we want to hear from you.

BlaBlaCar’s Payment Squad is seeking a Backend Engineer based in Paris. This team plays a key role in building and enhancing the systems that process payments throughout the platform. The work ensures millions of users can complete transactions smoothly and reliably. Main responsibilities Design, develop, and maintain backend services for payment processing Collaborate with fellow engineers to create scalable technical solutions Contribute to making transactions more reliable and efficient for users Team collaboration This role involves close teamwork with experienced colleagues. Sharing ideas and tackling technical challenges together is a regular part of building and improving payment features at BlaBlaCar.

Join Aircall, a revolutionary unicorn in the realm of AI-driven customer communication solutions, utilized by over 22,000 enterprises globally to enhance revenue, expedite issue resolution, and scale customer-facing teams. We are transforming customer interactions by unifying voice, SMS, WhatsApp, and AI into a singular, efficient workspace.Our growth stems from a straightforward philosophy: empower teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time support, enabling teams to excel. The outcome is enhanced revenue, quicker resolutions, and teams that grow confidently.Headquartered in Paris, with a robust North American presence in Seattle, Aircall has teams located throughout Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product has garnered immense customer appreciation, and our business is rapidly scaling, bolstered by top-tier investors and driven by swift AI advancements across various product lines.At Aircall, you will be part of a dynamic and ambitious organization. We prioritize product innovation, execution, and making a tangible impact through rapid decision-making and genuine growth.Our Work Culture at Aircall: We are dedicated to our customers, guided by data, and focused on achieving significant results. We value ownership, continuous improvement, and thoughtful speed. If you excel in a collaborative, fast-paced environment where trust and impact are paramount, you will thrive here.We seek a dedicated and enthusiastic Senior Software Engineer to become a vital part of our expanding Communication Platform department, specifically within the Number Management team. You will take charge of designing, developing, deploying, and maintaining business-critical features that bring significant value to our customers.Your daily responsibilities will include advocating for best practices, mentoring team members, and enhancing engineering standards across the organization.Our commitment to quality, excellence, and agility drives our delivery processes, and your role will be pivotal in elevating these standards.You will be working primarily with TypeScript and Ruby, ensuring that our solutions meet the highest standards.

Join Our Team as a Senior Fullstack EngineerAt Capi, we empower businesses in emerging markets to efficiently pay their international suppliers in a straightforward, rapid, and equitable manner.With over $18 million in backing from esteemed investors such as Creandum, Y Combinator, General Catalyst, and notable angel investors from Revolut, Checkout, Stripe, and Remitly, we are committed to constructing the financial infrastructure that emerging markets truly deserve.By streamlining global trade, we enable local businesses to flourish, create more jobs, and drive prosperity within their communities.Our mission is to enhance GDP in emerging markets by making the global financial system more equitable and accessible. We address the challenges of global trade, simplifying the payment process for importers dealing with international suppliers. Our platform is designed to facilitate rapid business expansion, job creation, and serve as a catalyst for the prosperity of their nations.Our diverse team consists of approximately 80 individuals from 10 countries; we are a driven and ambitious group dedicated to making a significant impact in the world. We are excited to welcome more passionate individuals to our team!Explore Capi’s mission & values.Role OverviewYou will become part of a small, high-performing team of engineers and product leaders, influencing the scaling of our platform and increasing our impact.From day one, you will collaborate closely with the founding team based in London and Paris to shape our product vision and the various components of our technical architecture. As we expand our products and strengthen our presence in emerging markets, you will play a pivotal role in developing technology that addresses customer challenges.To succeed, you should possess empathy and curiosity to uncover the root of issues, along with the creativity to devise solutions that balance impact, effort, and user satisfaction.

Join Outsight, a leader in spatial intelligence, where our innovative software solutions leverage 3D LiDAR data to monitor and enhance the movement of people and vehicles. Our technology empowers operators at transportation hubs—including airports, train stations, sports venues, and industrial sites—to access precise, anonymous spatial data, aimed at improving operational efficiency, safety, and user experience. Our diverse team of scientists and engineers collaborates across international locations, including Paris, San Francisco, Sophia-Antipolis, and Hong Kong, with a commercial office in Spain to support our global initiatives. Discover more about our mission and solutions at Insights about Outsight. Our Passenger Flow Traffic Monitoring solution is utilized by premier airports and train stations globally, known for their operational excellence and exceptional passenger experiences. We also serve various sectors, including tourism, retail, and sports. Additionally, our Car Traffic Remote Monitoring solution is trusted by top-tier clients, including BMW. Position Overview We are seeking a Senior FullStack Engineer to join our Platform Engineering team. Reporting to the Director of Engineering, you will play a pivotal role in developing our Shift cloud platform product, employing a multi-tenant, multi-region strategy. Your expertise will be vital in building foundational services that govern tenant lifecycle, identity, security, and overall management console web application.

Join Squad Maât at Doctrine as a Senior Machine Learning Engineer. In this role, you will collaborate with cutting-edge technologies and lead innovative projects that shape the future of machine learning. Your expertise will be pivotal in enhancing our predictive models and optimizing data-driven solutions.

Join our innovative team at jobsforhumanity as a Mid/Senior Fullstack Engineer. In this role, you will be responsible for developing and maintaining robust web applications that deliver exceptional user experiences. Your expertise in both front-end and back-end technologies will play a crucial role in the success of our projects.

At Theodo HealthTech, we are continually on the lookout for exceptional talent to join our dynamic teams. If you don't find the perfect position among our current job listings, don't hesitate to reach out. We firmly believe that every unique skill set can significantly contribute to our success!

Your Impact At Doctolib, we are rapidly expanding our team and currently seeking talented Fullstack Software Engineers to join us in Paris. We welcome engineers at various stages of their careers, whether you are just starting out or have years of experience under your belt. There’s a place for you in our innovative Engineering teams! Your mission is to help Doctolib solidify its standing as a premier healthcare technology platform by creating high-quality products that enhance the daily routines of healthcare professionals and patients. You will engage in feature teams that develop solutions with a direct impact on millions across Europe. Joining the tech team at Doctolib means you will be at the forefront of building cutting-edge products and functionalities that improve the lives of care teams and patients alike. What You’ll Build Your responsibilities will encompass, but are not limited to: Collaborating with product managers, designers, and fellow engineers to create features that provide real value to healthcare professionals and patients. Designing and implementing technical solutions that ensure optimal performance, security, and usability across our fullstack applications (React, TypeScript, JVM ecosystem). Contributing to code quality through thorough reviews, testing, and the continuous improvement of our development practices. Sharing your expertise and collaborating across teams to advance Doctolib’s architecture and technical standards. Life at Doctolib Tech Our solutions are built on a single fully cloud-native platform that supports web and mobile application interfaces, multiple languages, and is tailored to meet the requirements of various countries and healthcare specialties. Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. We ethically leverage AI across our products to empower both patients and health professionals. Learn more about our AI vision here. Interested in understanding more about our tech culture and environment? Visit the Doctolib Tech site. What You’ll Bring Before proceeding, if you feel that this job description resonates with your skill set even if you don’t meet every criterion, we encourage you to apply! You possess fullstack software engineering experience with React and the JVM ecosystem (Java, Kotlin, Spring Boot) - Ruby experience is a bonus. You have a user-first mindset and are dedicated to enhancing the user experience.

Join our dynamic team at believe as a Senior Fullstack Software Engineer, specializing in PHP and React. In this role, you will be responsible for designing, developing, and maintaining innovative software applications that enhance user experiences and drive business success. Your expertise will contribute significantly to our projects, ensuring high-quality software delivery.

About MorphoMorpho is at the forefront of Decentralized Finance (DeFi), offering an innovative lending protocol that recently raised $50 million from renowned investors such as Ribbit Capital, a16z crypto, Coinbase Ventures, and others. Our goal is to create an open lending network that provides individuals worldwide access to the most favorable terms available. With over $10 billion in deposits on our network, Morpho is setting a new benchmark in DeFi lending. We are expanding our team to solidify our position as a key player not only in DeFi but also in the emerging internet-native financial ecosystem.Our MissionAt Morpho, we aim to empower human ambition by providing open access to capital. We recognize that ambition knows no boundaries, yet access to capital can be limited. The current financial landscape is often closed and disjointed, leading to missed opportunities and unequal access. We strive to ensure that capital flows efficiently to where it is needed most, enabling anyone, anywhere to achieve the best possible terms.LocationThis role can be based in Paris or remotely (from -5h GMT to +2h GMT) to facilitate collaboration with the team.How We WorkWe tackle complex challenges in a rapidly evolving market without predefined guidelines; adapting to uncertainty is part of our daily work. We encourage questioning and transparency, ensuring that decisions are well-founded. Our culture promotes high standards paired with strong support: we assist one another in overcoming obstacles and value open communication with humility. For more on our values, visit morpho.org/jobs.RoleAs a Staff Fullstack Engineer, your mission will be to design, build, and scale Morpho's full-stack systems. You'll enable teams to deliver products swiftly, securely, and reliably across platforms managing billions in Total Value Locked (TVL). Your work will transform intricate requirements into streamlined, high-performance software that enhances product velocity and provides genuine user value.ResponsibilitiesLead the architecture and end-to-end delivery of web applications, APIs, and data indexers, ensuring user impact is achieved promptly and securely.Devise a scalable API and SDK strategy with comprehensive versioning and documentation, empowering numerous external developers to integrate with Morpho.Construct high-performance data pipelines to manage on-chain events effectively.

Discover Theodo and Our Success StorySince 2009, Theodo has been a pioneering force in helping innovative companies design, develop, and launch ingenious digital products, leveraging cutting-edge technology and a Lean approach.Our unique approach is built on three key principles:- We have cultivated recognized expertise in essential product design and development technologies;- At every stage of a project, our priority is to create value for our clients;- We recruit the best digital talent and nurture their ingenuity through Lean methodologies.Theodo has experienced exceptional growth over the last 15 years: our teams consist of over 700 Theodoers, primarily Software Engineers passionate about technology and continuous improvement. With our growth, we have organized into specialized entities focusing on technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Products Goods). By 2025, Theodo is expected to generate €100M in revenue.Your Team:You will join a vibrant tech community of over 120 Theodoers: software engineers, tech leads, engineering managers, and architects, with whom you can exchange ideas, learn, and progress on a daily basis.At Theodo, our tech teams work in project groups tailored to meet each client's needs. You will be part of a small team of Theodoers (4 to 5 members), including Software Engineers, a Tech Lead, and a Product Manager. Together, you will collaborate closely with the client, engaging in regular discussions to share progress, deepen your understanding of their challenges, and adapt the product to meet user needs.Your Future Responsibilities:As a Fullstack Software Engineer at Theodo, your mission will be to design and develop valuable, high-performing, and sustainable digital products that address the challenges faced by our clients and their users.

About UsAt Trainline, we are passionate advocates for sustainable travel, dedicated to shaping a greener future. Our platform empowers millions of travelers to easily discover and book the most cost-effective tickets across various carriers, fares, and travel options via our highly-rated mobile app, website, and B2B partner channels.Embark on Great Journeys with Trainline As Europe's leading rail app, boasting over 125 million monthly visits and £5.9 billion in annual ticket sales, we partner with over 270 rail and coach companies across more than 40 countries. Our aim is to make travel simple, seamless, eco-friendly, and affordable for everyone.Currently a FTSE 250 company, we are fueled by a diverse team of over 1,000 individuals from 50+ nationalities, operating in cities like London, Paris, Barcelona, Milan, Edinburgh, and Madrid. With a strong focus on growth within the UK and Europe, now is the ideal time to join us on this high-speed journey.Meet the Backend Teams at Trainline Our Backend teams are the backbone of Trainline's exceptional product offering. We develop the journey search capabilities that millions of customers rely on daily, create an eCommerce platform for a secure and smooth experience, and connect with over 270 transportation operators across 45 countries worldwide. Each team specializes in various domains, including journey search, fare calculations, bookings, fulfillment, payments, refunds, carrier integrations, real-time timetable data, journey disruptions, and more.Your Role as a Mid-Level .NET Engineer at Trainline Implement new functionalities or features utilizing the most suitable tools and techniques.Prioritize quality in every aspect of your work and that of your team.Continuously enhance the codebase.Keep the customer as the top priority.Proactively identify and eliminate blockers, inefficiencies, and waste.Contribute significantly to technical decision-making.Serve as a coach and mentor for your team members.Take full ownership of the development lifecycle from coding to production, including deployment and monitoring.

Join Theodo: Pioneers in Digital SolutionsSince 2009, Theodo has been at the forefront of innovation, helping businesses design, develop, and deploy ingenious digital products by leveraging the best technology and Lean methodologies.With exceptional growth over the past 15 years, Theodo now boasts a talented team of over 700 professionals, primarily composed of passionate Software Engineers dedicated to continuous improvement. Our growth has led to specialized entities within the group focusing on various technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Heathtech, Consumer Products). By 2025, Theodo aims to generate 100M€ in revenue.At Theodo FinTech, our mission is to enhance the usefulness of finance for individuals, businesses, and society. We partner with major corporations, ScaleUps, and StartUps within the financial services sector to design, develop, and maintain accessible, sustainable, and socially beneficial digital products.As experts in financial services technology, Theodo FinTech delivers exceptional digital products at lightning speed with zero bugs and high security. Our team excels at integrating APIs from all B2B fintech platforms to create innovative embedded finance solutions.Your Responsibilities:As a Senior Full-Stack Software Engineer at Theodo FinTech, your role will involve:- Rapidly coding without bugs, utilizing coding assistants (Copilot, Cursor, Windsurf).- Designing features by contributing product ideas and identifying optimal technical strategies, while adhering to our delivery practices.

As a Solutions Engineer at Adyen, you will play a pivotal role in shaping the future of payments. You will collaborate closely with our sales and product teams to deliver enhanced solutions that cater to the diverse needs of our clients. Your expertise will help us optimize our payment processing capabilities, ensuring a seamless experience for our customers.In this dynamic position, you will be responsible for understanding client requirements, providing technical support, and implementing solutions that drive success. You will have the opportunity to work with cutting-edge technology and be part of a global team that values innovation and collaboration.

Join Verso, where we are revolutionizing consumer insights with our Consumer Intelligence OS. Our innovative AI-driven platform transforms traditional qualitative research methods by continuously analyzing consumer conversations at scale. Rather than relying on one-off studies, our clients gain a structured and ongoing understanding of their customers.Our mission is to embed consumer insights into every product and marketing decision, creating a real-time, always-on system. We are currently starting with AI-moderated interviews, but our long-term vision is to develop a comprehensive system for consumer understanding powered by dynamic workflows.Backed by Hexa (eFounders), we are building on the success of companies like Aircall, Front, Spendesk, Yousign, and many more.Our founding team brings deep expertise in strategy, technology, and entrepreneurship:Lydia - CEO: HEC graduate with 7 years at BCG (Principal), expert in strategy and consumer goods.Camille - CTO: Dual degree from X/HEC, former lead at CO2 AI, specialized in AI and scalable product development.

At Outsight, we celebrate the spirit of initiative and welcome talented individuals who wish to join our dynamic team. If you are passionate about our mission and believe your skills can contribute to our goals, we encourage you to submit a spontaneous application.To apply, please upload your resume. Our dedicated recruitment team will carefully review your submission and will reach out if a suitable opportunity arises. Thank you for considering Outsight as your future employer. We look forward to connecting with you!

Dataiku is your go-to platform for AI success, providing an enterprise orchestration layer for building, deploying, and managing AI applications. In a unified environment, teams can design and operate analytics, machine learning, and AI agents while ensuring the transparency, collaboration, and control crucial for enterprises. Positioned above data platforms, cloud infrastructure, and AI services, Dataiku integrates the complete enterprise AI stack, enabling organizations to implement AI seamlessly across various vendor environments with centralized governance.The leading global companies trust Dataiku to operationalize AI, transforming it into a vital business performance driver that delivers measurable value. Discover more through the Dataiku blog, LinkedIn, X, and YouTube. Why Join Engineering at Dataiku?Dataiku’s platform, whether deployed on-premise, in the cloud, or as a SaaS solution, connects a variety of data science technologies, showcasing our dedication to quality and innovation. We incorporate the best data and AI technologies, selecting tools that genuinely enhance our product. From the latest large language models (LLMs) to our commitment to open-source communities, you will engage with an exciting array of technologies and contribute to the collective knowledge of global tech innovators. Learn more about working in Engineering at Dataiku here.In the Business Solutions team, we are developing applications that harness Dataiku’s data and AI capabilities, focusing on essential enterprise use cases that require user-centric interfaces and workflows. We cater to sectors such as Manufacturing, Life Sciences, and Finance, enhancing key processes within their business and operational models. In essence, our work embodies the concept of 'everyday AI'!Your ImpactCreate Innovative AI-Driven Applications: Design, develop, and deploy AI-powered applications that address complex business challenges.