Emplois pour java software engineer backend development dans Paris

At The Flex, we believe renting a home should be as simple as booking a ride.Our mission is to enable anyone to live anywhere, anytime, without friction.Powered by Base360.ai, our proprietary technology platform, we are building the operating system for modern renting—automating operations, connecting systems, and creating seamless experiences for guests,...

About usFounded in 2019 and part of Y Combinator's 2020 cohort, Photoroom is the leading visual solution for e-commerce.We've raised Series B funding and reached 300+ million users worldwide, processing over 5 billion images annually and serving both small businesses and major enterprises like Amazon, DoorDash, and Decathlon through our mobile app, web...

Qui sommes nous ?   Chez MARGO, nos consultants travaillent sur ce qui compte vraiment : des projets complexes qui allient challenge intellectuel et impact business réel. C’est pourquoi nous accompagnons les plus grands acteurs de la finance, de l’industrie et de la tech dans la conception et le développement de solutions logicielles à haute...

Connect with Eutelsat   Be part of a new era in communications, transforming connectivity with Eutelsat – the world’s first GEO-LEO integrated global satellite operator. As a leader in satellite communications, we provide global connectivity solutions - connecting businesses, communities, and governments around the world. We can connect you at on land,...

Hi, we’re Back Market. We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new. Yep, you read that right. Turns out refurbished...

AboutSwan is Europe’s embedded banking specialist. We empower software companies to embed banking features like accounts, cards, and payments directly into their products, under their own brand.Swan processes over €1.5 billion in monthly transactions for more than 150 companies—like Pennylane, Indy, Agicap, Libeo, and Lucca. Founded in 2019, the...

Capi is building the financial infrastructure for emerging markets trade.Backed by $18M+ from top-tier investors like Creandum, Y Combinator, General Catalyst, and angels from Revolut, Checkout, Stripe, and Remitly, we’re building the financial infrastructure that emerging markets deserve.Our mission is to grow GDP in emerging markets by making the global...

About Upsun (formerly Platform.sh)  Upsun is the cloud application platform humans and robots love. It is built for today’s hybrid teams, where AI agents write and test code and humans focus on solving the problems that really matter. Developers, DevOps engineers, and platform teams use Upsun to build, ship, and scale confidently without wrestling with...

Company DescriptionWe are a friendly and international software developer. Some might say the best place to work when you love data, innovative technologies, and the startup mindset. Our growing team of data scientists, software engineers, marketing, and sales are located in Paris and New York City. Our team is professional, dynamic, and entrepreneurial. We...

About EscapeEscape is transforming offensive security for resource-constrained teams. We build AI agents that identify and exploit vulnerabilities in modern applications, APIs, and microservices—mimicking real attackers, but operating at CI pipeline speed. A Y Combinator W23 company, we recently closed an $18M Series A (March 2026) led by Balderton...

Capi is building the financial infrastructure for emerging markets trade.Backed by $18M+ from top-tier investors like Creandum, Y Combinator, General Catalyst, and angels from Revolut, Checkout, Stripe, and Remitly, we’re building the financial infrastructure that emerging markets deserve.Our mission is to grow GDP in emerging markets by making the global...

About Upsun (formerly Platform.sh)  Upsun is the cloud application platform humans and robots love. It is built for today’s hybrid teams, where AI agents write and test code and humans focus on solving the problems that really matter. Developers, DevOps engineers, and platform teams use Upsun to build, ship, and scale confidently without wrestling with...

We are looking for an Engineering Manager to join the OREO (Observability Reliability Engineering Obsession) team in Platform Engineering. As an Engineering Manager, your mission will be to lead the Reliability & Observability team and drive the evolution of Doctolib's observability platform, supporting the exponential growth of Doctolib services while...

Job Description Kleio was recently founded to revolutionize how companies engage with customers and boost sales. We are building Persuasive AI: a multi-agent conversational AI capable of autonomously engaging consumers in rich conversations to capture and convert leads. We are seeing a lot of traction across multiple industries (travel, real estate,...

Overview: One of our clients based in California, USA is building a new team and looking for 7 highly skilled and motivated AI Engineers globally to join their dynamic team. As an AI Engineer, you will be pivotal in designing, developing, and deploying state-of-the-art AI solutions that enhance the capabilities of our products and services, driving...

Présentation de l’entreprise Cette startup early stage, récemment financée à hauteur de plusieurs millions d'euros, redéfinit les standards de la cybersécurité en développant une plateforme souveraine d'IA offensive. Leur mission ? Transformer le test d'intrusion (pentest) en une capacité continue grâce à des agents d'IA capables de...

Zendar is looking for a Sensor Fusion & Localization Engineer to join our Paris office. We are deploying a 360-degree radar-based perception system and extending it toward full-stack autonomy through early fusion of camera and radar data. You will work on localization, mapping, calibration, and multi-sensor fusion algorithms that allow autonomous systems to...

Who we are CryptoNext Security is a Paris-based start-up founded in 2019, building on more than 20 years of academic research. CryptoNext is a software vendor specializing in quantum-computer-resistant cryptography (PQC: post-quantum cryptography). Its software suite, the Quantum Safe Remediation Suite, includes the world-reference Quantum Safe Library...

Pourquoi rejoindre notre département Sales & Marketing Engine Room ?   Au sein du département Sales & Marketing Engine Room, vous contribuerez au développement et à l'amélioration continue de nos plateformes digitales stratégiques. Vous évoluerez dans un environnement international, collaboratif et innovant, où la qualité technique, l'expérience...

Company DescriptionWe have a simple yet ambitious goal; to sell train tickets in the easiest way possible for all European destinations. Booking a train should be just as simple as hopping on a train.Capitaine Train was founded by 3 engineers obsessed with simplicity. Our organisational structure is very simple and linear: those who make product decisions...