Founding Fullstack Engineer at Verso | Paris

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.

This opportunity is exclusively available for candidates currently residing in Europe.In this role, you will ensure that Waniwani's infrastructure remains seamless and efficient at scale.We have pioneered the first insurance application within ChatGPT, and now numerous companies are eager to launch their own AI-driven storefronts using our platform. Each of these businesses requires its own MCP server, unique codebase, and tailored distribution—all functioning flawlessly, interconnected, and overseen by you.About UsWaniwani is revolutionizing the AI distribution framework for the $10 trillion services sector. We empower businesses to offer quote-based services (insurance, wealth management, etc.) directly within LLMs, where consumer decisions are increasingly being made. Envision Shopify, but tailored for services. We are constructing the foundational infrastructure for AI-native commerce.We are at the beginning of a transformative platform shift. Our launch of ChatGPT insurance resulted in $26 billion in market cap losses for the world’s largest brokers within just 48 hours. The media dubbed it "the industry's ChatGPT moment." We refer to it as Day 1.Purpose of This RoleHaving surpassed the proof of concept stage, our product is fully operational. We now need to support hundreds of clients simultaneously, each requiring their own MCP server, bespoke data pipelines, and distribution dashboards, all while ensuring the platform operates smoothly.This position presents a systems-level engineering challenge. You will be responsible for the architecture that allows Waniwani to scale from a handful of deployments to thousands. You'll work with multi-tenant infrastructure, orchestrate multiple codebases, and manage real-time data flowing through hundreds of interconnected services. One flawed abstraction could cost us months, while one well-designed abstraction could save years.We anticipate that 95% of your code will be generated by AI. Your true value lies not in typing but in discerning what to build, how to architect it, and when the AI makes errors. You will operate at a pace that integrates LLMs as a fundamental part of your engineering process, not as a gimmick. The real constraint will be your judgment, not your typing speed.Your ResponsibilitiesOversee the multi-tenant platform. Design and sustain the infrastructure that accommodates numerous MCP codebases—each independent, customizable, and all viewable from a unified interface (or MCP).Construct the data backbone. Devise the pipelines and frameworks necessary for seamless data integration and analysis.

About PanoraPanora is an innovative B2B platform that develops AI-driven agents specifically designed for insurance brokers, a sector characterized by stringent regulations and operational intricacies.Our vision is to establish ourselves as the AI Operating System for brokers throughout Europe, streamlining labor-intensive, repetitive tasks while enhancing compliance, advisory quality, and client engagement.Our product is already operational with brokerage firms in France and Belgium, showcasing AI agents performing tasks such as contract comparisons, coverage analysis, compliance evaluations, and assistance in applications like Outlook and Word.Founded by Diane, an ex-VC with a robust operational background, and Fabian, a repeat founder and product-centric AI engineer, Panora is supported by Hexa (formerly eFounders), the startup studio responsible for launching over 40 tech companies, including Aircall, Spendesk, and Front. We are now poised to enter a critical phase focused on structuring and scaling our platform.At Panora, AI is not merely an additional feature; it is the essence of our product. You will engage directly with Large Language Models (LLMs), agent-based systems, and production-quality AI pipelines, all while adhering to real-world regulatory and reliability standards from day one.About the RoleAs a Founding Engineer, you will be an integral part of the founding team, focusing on the core product and technical strategy.You will collaborate closely with the CTO and participate in all phases of the product lifecycle: from architecture and development to technical decision-making and ensuring production readiness.This is a hands-on, impactful role that offers significant ownership and influence over the company’s technical trajectory.ResponsibilitiesProduct & Engineering• Design, develop, and deploy key product features across AI agents, workflows, and integrations.• Take ownership of technical architecture decisions, ensuring scalability, security, and compliance.• Collaborate with the founding team to transform product concepts into production-ready systems.AI & Production Systems• Construct and refine AI pipelines (LLMs, RAG, agent-based systems) tailored for regulated real-world applications.• Guarantee reliability, traceability, and explainability of AI outputs in a production environment.• Optimize performance, cost, and quality as the platform expands.Ownership, Quality & Scalability

Join BeReal as a Founding Engineer and be part of a revolutionary social media movement. In this pivotal role, you will collaborate with a talented team to develop innovative features that enhance user engagement and experience. You will have the opportunity to influence product direction from the ground up and contribute to our mission of fostering authentic connections among users.

Join Plato, the revolutionary platform designed specifically for litigation lawyers.As the legal industry stands on the brink of transformation through Generative AI, litigation attorneys face a multitude of challenges involving intricate damage assessments, extensive document reviews, and lengthy legal drafting processes. Our vision: To create the foremost operating system for litigation lawyers, allowing legal professionals to reduce administrative and operational work by fivefold and redirect their focus on strategic advocacy.At Plato, we currently assist a network of law firms and a major insurance legal team specializing in personal injury, equipping them to manage hundreds of active cases effectively with our innovative solutions.Founded in January 2026 by Ben (CEO) and Alexandre (CTO), we are proudly backed by Hexa, Europe's leading startup studio that has launched over 35 companies, including unicorns like Front, Aircall, and Spendesk, cumulatively generating over €230M in ARR and raising upwards of €750M in funding.Plato is already operational with real users and data, effectively addressing tangible legal workflows. We are now entering a critical phase of development and seek a dedicated individual ready to take significant ownership and influence the product, architecture, and engineering culture from the outset. Your missionWe are searching for a Founding Engineer to become our first hire and collaborate closely with Alexandre, Co-founder & CTO.Your role will involve building our core product from scratch, which includes production AI systems, backend architecture, and user-facing features utilized daily by law firms and insurers.This position is not focused on research; instead, it emphasizes converting cutting-edge AI into dependable, real-world software within a complex, high-stakes environment. You will influence product decisions and maintain ownership of systems from early prototypes through to production.You will have a profound impact on our development, engineering practices, and the overall trajectory of Plato.ResponsibilitiesProduct & Engineering• Design, build, and launch core features across the platform, including AI pipelines and integrations.• Take charge of technical architecture decisions with scalability, security, and compliance as priorities.• Collaborate closely with the founding team and studio partners throughout the ideation to production process.• Participate in all aspects of product development and deployment.

Join Plato in Revolutionizing the Legal Tech Landscape!At Plato, we are pioneering the operating system for litigation lawyers, poised to transform the legal industry through innovative GenAI solutions. Litigation lawyers face a myriad of complex and repetitive tasks, from intricate damage calculations to reviewing extensive documentation and drafting legal materials. Our Vision: We aim to create the premier operating system for litigation lawyers, allowing them to reduce administrative and operational workload by up to five times, enabling a focus on strategic advocacy.Currently, Plato partners with approximately ten law firms and a major insurance legal team specializing in personal injury, leveraging our platform daily to manage hundreds of active cases.Founded in January 2026 by Ben (CEO) and Alexandre (CTO), our venture is supported by Hexa, Europe’s premier startup studio known for launching over 35 successful companies, including notable unicorns like Front, Aircall, and Spendesk, collectively achieving over €230M in ARR and attracting more than €750M in funding.With our solution already live and in active use, we are entering a pivotal phase of development. We are seeking a passionate individual prepared to take ownership and contribute to shaping the product, architecture, and engineering culture from the ground up. Your Role: We are looking for a Founding Engineer to become our first hire and collaborate closely with Alexandre, Co-founder & CTO. You will play a crucial role in developing our core product, including production AI systems, backend architecture, and user-facing features that law firms and insurance companies will rely on daily.This position is not research-focused; rather, it is about transforming cutting-edge AI into dependable, real-world software in a complex, high-stakes environment. You will influence product decisions and manage systems from initial prototypes to full production.Your contributions will significantly impact our development trajectory and engineering practices.

Role overview Panora, supported by Hexa, is hiring a Founding AI Engineer in Paris. As one of the first technical hires, this role shapes the company’s direction and leads the development of new AI solutions from the ground up. The team values original thinking and a focus on practical outcomes, encouraging new approaches in artificial intelligence. What you will do Design and build AI-driven products, playing a key role in technical decisions Collaborate with team members from diverse backgrounds to tackle complex challenges Lead projects aimed at making a meaningful impact in the industry Location This role is based in Paris.

About PanoraPanora is an innovative B2B platform dedicated to developing AI-driven agents specifically for insurance brokers, operating within a highly regulated and complex industry.Our vision is to establish ourselves as the leading AI Operating System for brokers across Europe, focusing on automating repetitive tasks while enhancing compliance, advisory quality, and client relations.The product is already operational with brokerage firms in France and Belgium, featuring AI agents capable of contract comparison, coverage analysis, compliance checks, and Outlook/Word assistance.Founded by Diane - an ex-VC with a robust operational background and Fabian - a seasoned founder and product-driven AI engineer, Panora is supported by Hexa (formerly eFounders), the startup studio behind over 40 tech companies including Aircall, Spendesk, and Front. We are currently in a crucial phase of structuring and scaling our platform.At Panora, AI is not just an additional feature; it is at the heart of our product. You will engage with large language models (LLMs), agent-based systems, and production-grade AI pipelines, all while operating under real-world regulatory and reliability constraints from day one.About the RoleAs a Founding Engineer, you will be a pivotal member of the founding team, directly influencing our product and technical strategy.Your collaboration with the CTO will span the entire product lifecycle, covering architecture, development, technical decision-making, and ensuring production readiness.This role is hands-on and impactful, granting you significant ownership and the ability to shape the technical trajectory of the company.ResponsibilitiesProduct & Engineering• Design, develop, and deliver key product features encompassing AI agents, workflows, and integrations.• Take ownership of technical architecture decisions with a focus on scalability, security, and compliance.

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.

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.

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

Become part of a visionary team that is transforming the future of global living from the ground up.At The Flex, we envision a world where renting a home is instant, smart, and effortless — as seamless as hailing a ride. Our bold ambition is to empower anyone to live anywhere, anytime, without any friction.Leveraging our proprietary automation engine, Base360.ai, we are constructing the operating system for modern rental experiences — linking property data, orchestrating operations, and facilitating seamless stays across the globe.This is not just another job where you merely handle tasks; this is an exceptional opportunity to establish the technical foundation of a groundbreaking company and shape the operational framework of a global platform at scale. What You’ll BuildAs a Founding Engineer, you will contribute to the design, construction, and scaling of the core technology that underpins The Flex, starting from scratch.Your responsibilities will span across product, engineering, and operations, where you will take ownership of systems from end-to-end: web applications, APIs, automation pipelines, integrations, and cloud infrastructure.You will make impactful architectural decisions early on — decisions that will influence the company for years to come — while rapidly converting ideas into production systems utilized in the real world.If you thrive in an environment of ambiguity, ownership, and building tangible solutions, this role is tailor-made for you. Your MissionBuild from Zero to OneCreate and implement the foundational architecture for bookings, payments, availability, and guest experience.Own the StackDevelop across frontend, backend, APIs, and cloud infrastructure — selecting tools and patterns that will scale effectively.Automate the BusinessTransform manual processes into event-driven workflows and intelligent automation from day one.Integrate the EcosystemEstablish deep integrations with platforms like Airbnb, Stripe, Hostaway, and Twilio.Ship RelentlesslyDeploy, monitor, and iterate on production systems with speed, reliability, and practicality.Solve Real-World ProblemsAddress challenges such as real-time booking synchronization, pricing intelligence, keyless access logic, AI-driven alerts, and operational dashboards.Set the Technical DNADefine engineering standards, best practices, and foster a culture of quality, ownership, and execution.

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.

Join our team as a Platform Engineer / Site Reliability Engineer (SRE) in Paris, where you will play a pivotal role in maintaining and enhancing our platform infrastructure. You will work alongside a talented team of engineers to ensure the reliability, scalability, and performance of our systems. Your expertise in cloud technologies, automation, and monitoring will be essential in driving continuous improvements and delivering high-quality services.

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.

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

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...

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.

About Us At Doctolib, we are dedicated to developing scalable products that enhance healthcare across Europe while remaining manageable for our team of hundreds of developers. Our commitment to quality is reflected in our daily deployments and a robust CI pipeline that executes over 25,000 automated tests. Our backend is powered by Ruby on Rails, supported by PostgreSQL and MongoDB, managing 30TB of data with 30 million queries per minute during peak times. Joining our tech team means being part of a mission to create innovative solutions that simplify the lives of healthcare professionals and patients alike. We operate in agile feature teams, collaborating closely with engineering, design, and business stakeholders. Your Role As the Engineering Manager for our Core Backend team, ATP, you will lead the backbone of Doctolib’s software architecture. ATP is integral to our Platform domain, focusing on developing and maintaining essential components with a 'Platform as a Product' philosophy. Your leadership will empower product teams to expedite their development processes, ensuring they can concentrate on delivering high-quality products for healthcare providers and patients. In this role, you will: Drive team performance and ensure business goals are achieved through effective mentorship and growth strategies. Collaborate with your product counterpart to define a clear mission and vision, establish a roadmap, and oversee the quality of your team’s output. Engage in code reviews and contribute technically as needed. Lead cross-functional initiatives to elevate our engineering capabilities. Set and exceed standards for security, reliability, performance, and scalability, maintaining our position as a trusted e-health SaaS provider.