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Experience Level
Mid to Senior
Qualifications
To be successful in this role, you should have:Proficiency in Python and frameworks such as Django or Flask. Experience with RESTful APIs and microservices architecture. Knowledge of database technologies (SQL and NoSQL). Strong problem-solving skills and ability to work collaboratively in a team. Experience with version control systems such as Git. Fluency in English; French is a plus.
About the job
Join our dynamic team at Iliad as a Backend Python Developer in Paris! We are looking for passionate and skilled individuals to contribute to our innovative tech projects. You will work closely with cross-functional teams to design and implement robust backend systems, ensuring high performance and responsiveness to requests from the front-end.
Key Responsibilities:
Develop and maintain server-side applications using Python.
Collaborate with front-end developers to integrate user-facing elements.
Optimize applications for maximum speed and scalability.
Participate in code reviews and contribute to team knowledge sharing.
Stay updated with emerging technologies and best practices.
About Iliad
Iliad is a leading telecommunications company known for its innovation and commitment to providing high-quality services. With a strong presence in France and beyond, we strive to create a dynamic work environment that fosters creativity and growth. Join us and be part of a team that is shaping the future of telecommunications!
About MorphoMorpho is at the forefront of Decentralized Finance (DeFi), operating a cutting-edge lending protocol that has recently garnered $50 million in funding from renowned investors, including Ribbit Capital, a16z crypto, and Coinbase Ventures. Our vision is to create an open lending network that democratizes access to the best financial terms for all.…
About VoodooFounded in 2013, Voodoo is a pioneering tech company dedicated to crafting innovative mobile games and applications aimed at entertaining users globally. With a vibrant team of 800 professionals, we have achieved an impressive 7 billion downloads and boast over 200 million active users, positioning Voodoo as the third largest mobile publisher worldwide in terms of downloads, trailing only Google and Meta. Our portfolio features hit games like Mob Control and Block Jam, alongside trending applications such as BeReal and Wizz.Our TeamAt BeReal, we prioritize authenticity in social media. By motivating our users to share unfiltered moments, we nurture genuine connections and embrace real-life experiences. Our international team has grown to over 60 members, serving more than 30 million monthly active users. Supported by Voodoo, we are committed to transforming BeReal into an iconic social network with hundreds of millions of users.Your RoleWe have developed BeReal with a compact team of elite engineers and intend to uphold this philosophy as we expand our user base to hundreds of millions. To realize this vision, we consistently release new features rapidly, outpacing other established social networks while enhancing our infrastructure. Our engineers work in agile, cross-functional teams, granting them significant autonomy in product-related decisions.Overcome thrilling technical challenges, particularly as our product handles spikes of millions of users connecting within a two-minute window.Play a key role in developing a robust architecture that can support massive scale as we attract new users and expand into new markets.Collaborate closely with product and engineering teams to innovate and implement new features for the app.Evaluate trade-offs and tackle technical challenges related to critical components of our backend systems.Engage in code and design reviews to uphold our high standards of quality.Our Technology StackInfrastructure: GCP, Kubernetes, Pub/Sub, GitHub Actions, ArgoCD.Backend: Go, Node.js (NestJS, Nx, Typescript)Frontend: Swift (iOS), Kotlin (Android).Database: Spanner, PostgreSQL, Redis.Candidate ProfileYou possess over 8 years of experience in developing APIs within distributed architectures.You have extensive experience in Go and have successfully contributed to the development of high-volume API microservices.You are self-reliant, proactive, and a strong team player with a passion for solving complex problems.You thrive in fast-paced environments and are eager to contribute to the growth of our innovative platform.
Who We AreYubo is a dynamic social discovery platform designed for Gen Z, enabling users to make new friends and connect authentically online. By removing likes and follows, we encourage our community to express their true selves and forge real connections.With millions of active users, we are revolutionizing how young people socialize online. Our mission is to create a safe, engaging, and inclusive digital environment where everyone can feel secure and valued.Our diverse team is united by a strong commitment to fostering a safe space for our users. We prioritize safety in our operations, collaborating with technology partners and NGOs to establish leading standards in child protection.Join us on this exciting journey to redefine social interaction for the future!About This RoleAs Yubo scales, we are entering a pivotal phase of product development within our Engagement & Monetization squad. This team is dedicated to experimenting and enhancing our core business metrics.We are seeking a Senior Backend Engineer to join our Backend Experience team, reporting directly to Armand, our Engineering Manager. You will work within a multi-disciplinary squad comprising Mobile Engineers, a Product Manager, a Designer, and a Data Analyst, alongside two backend engineers to facilitate your onboarding.Your responsibility will be to set the technical direction and develop backend systems that support continuous experimentation at scale, rolling out services and business logic that cater to millions of users while ensuring reliable and safe interactions.
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.
believe is hiring a Senior Software Engineer with a focus on React and Java for its Paris office. This role centers on creating web applications that deliver effective user experiences. Key responsibilities Design and build web applications using React and Java Collaborate with colleagues across different teams to understand requirements and deliver solutions Support ongoing enhancements to software products Location This position is based in Paris.
Doctolib is looking for a Senior Software Engineer to join the team behind the 'Book Your Practitioner' platform in Paris. This group focuses on building tools that help patients and healthcare professionals connect more easily. Role overview This position centers on improving the experience of booking healthcare appointments. The work directly affects how patients find and schedule visits, as well as how practitioners manage those appointments. What you will do Enhance the user experience for scheduling healthcare appointments Design and build new software features to support both patients and practitioners Collaborate with fellow engineers to deliver solutions that are both reliable and scalable Contribute to projects that shape access to healthcare Requirements Solid experience as a software engineer, especially with complex systems Interest in working on products that impact people's lives Enjoyment of problem-solving within a collaborative team This role is based in Paris, France.
Join our innovative team that is transforming the future of global living.At The Flex, we envision a world where renting a home is instant, intelligent, and seamless—much like booking a ride. Our mission is ambitious: to empower anyone to live anywhere, anytime, without hassle.Driven by Base360.ai, our unique automation engine, we are crafting the operating system for modern renting—integrating property data, streamlining operations, and facilitating smooth stays across continents.If you are passionate about complex systems, automation, and developing software that has real-world applications, this position offers you the opportunity to take ownership and make a significant impact. What You'll CreateAs a Senior Software Engineer, you will design, develop, and scale essential components of The Flex platform—from core services and APIs to automation workflows and real-time systems.You will work with considerable autonomy, managing problems from start to finish and directly influencing architectural decisions while remaining deeply engaged with production code.This role is for engineers who prioritize impact over meetings and take pride in constructing systems that are reliable, elegant, and scalable. Your ObjectivesDevelop Core SystemsCreate and maintain scalable services that enhance bookings, payments, availability, pricing, and guest experiences.Design Robust APIsEstablish clean, well-structured APIs that connect Base360.ai with internal tools and external partners.Automate OperationsConstruct event-driven workflows that eradicate manual tasks and unlock operational efficiencies.Deploy with AssuranceImplement and manage cloud-native infrastructure on AWS with an emphasis on reliability, security, and performance.Tackle Meaningful ChallengesEngage in real-time booking synchronization, pricing intelligence, keyless access systems, AI-driven alerts, and live operational dashboards.Collaborate for SuccessPartner closely with product, data, and operations teams to transform complex requirements into straightforward, effective systems. Ideal Candidate ProfileExtensive experience in building production systems with Node.js, React, and AWS.Solid understanding of software design principles and best practices.Proficient with CI/CD practices and tools.Strong communication skills and a collaborative mindset.
Join our dynamic team at vusiongroupsa as a Senior Software Engineer, where you'll have the opportunity to contribute to innovative projects that shape the future of technology. We are looking for a skilled professional who can bring their expertise in software development, work collaboratively with our R&D department, and drive excellence in our engineering practices.
Role overview Alten is looking for a Senior Data Engineer to join the team in Paris. This role focuses on designing and building data solutions that support business intelligence and analytics efforts. What you will do Design and implement data architectures and pipelines Support business intelligence and analytics projects with reliable data solutions Work to optimize data systems for performance and integrity Location This position is based in Paris.
JOIN MARGOMARGO is a consulting firm specializing in Data, Artificial Intelligence, and Software Engineering. We bring together top experts and focus solely on technically complex missions.Since our inception in 2005, MARGO has maintained a unique positioning to engage in the most stimulating projects in the market and recruit the best talents.Today, we have over 400 employees across Paris, London, and Warsaw, covering six areas of expertise within the banking and financial markets, insurance, energy, industry, and technology sectors.RECRUITMENT CONTEXTWith more than 20 years of uninterrupted growth, our ambition is to accelerate this by strengthening our new team of Practice Managers.You will receive support and guidance from our COO, Raphaël Le Lièvre, who will work with you to define a joint strategy aimed at growing your Practice.The role of the Practice Manager is essential in supporting, retaining, and projecting consultants. It is a challenging position with multiple functions, critical to the growth of the group.YOUR MISSIONS AS A PRACTICE MANAGERYou will be responsible for the Software Engineering Practice, composed of 80 consultants and 3 manager consultants.Your role includes:Management- Manage and enhance the performance and career development of your team.- Support the onboarding of new team members.- Foster a vibrant professional life for consultants.Recruitment- Actively participate in recruiting your team.- Ensure the quality of selection processes from technical validation to the end of recruitment.Delivery- Oversee successful project delivery and client satisfaction.
Ubisoft Entertainment S.A. seeks a Software Engineer (MLOps) to join its Paris team. This position centers on improving machine learning operations that help shape and enhance gaming experiences. Main responsibilities Collaborate with teams from different disciplines to build and maintain solutions supporting machine learning workflows. Work on optimizing and streamlining the deployment and management of machine learning models. Apply technical expertise to support ongoing development and drive innovation in MLOps practices. Location This role is based in Paris.
About the Role airapps is looking for a backend engineer to help build and maintain the systems behind our applications. This position is based in Paris and focuses on developing backend solutions that scale and perform reliably. What You Will Do Design, implement, and maintain backend systems for airapps products Work closely with teammates to solve technical challenges Contribute to a collaborative team environment Who We’re Looking For Experience building backend systems Comfort working with others to solve problems Interest in developing efficient and scalable solutions This is a full-time role in Paris. If building reliable backend infrastructure with a team sounds appealing, airapps would like to connect.
Join Aircall, a groundbreaking AI-driven customer communications platform utilized by over 22,000 businesses globally, enhancing revenue, expediting issue resolution, and empowering customer-facing teams. We are transforming customer interactions by seamlessly integrating voice, SMS, WhatsApp, and AI into a cohesive workspace.Our growth is fueled by a core philosophy: enable teams to work smarter, not harder. With innovations like Aircall's AI Voice Agent automating routine calls, AI Assist simplifying post-call tasks, and AI Assist Pro providing real-time support, our solutions enhance productivity leading to increased revenue and swift resolutions.Headquartered in Paris, we also boast a robust North American presence in Seattle, along with teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product has garnered a loyal customer base, and we are rapidly scaling with the backing of premier investors and a commitment to continuous AI innovation across our offerings.At Aircall, you will be part of a dynamic organization. We are ambitious, product-oriented, and execution-driven, emphasizing impactful work, swift decision-making, and genuine growth.Our Work Culture at Aircall: We are dedicated to our customers, driven by data, and focused on delivering impactful results. We value ownership, continuous learning, and thoughtful speed. If you excel in a collaborative, fast-paced environment where trust and impact are paramount, you'll thrive here.We are seeking a passionate and engaged Senior Software Engineer to enhance our expanding engineering department and contribute to our teams.As a Senior Software Engineer, you will lead the design, development, deployment, and operation of crucial features that deliver value to our customers. Your responsibilities will include ensuring operational excellence, monitoring key metrics, enhancing observability, promoting best practices, and mentoring team members across the Engineering division.Driven by quality, excellence, and agility, you will play a pivotal role in elevating our delivery processes. Utilizing NodeJS and Typescript within a robust back-end framework on AWS, you will tailor solutions to meet varied requirements.
Full-time|Hybrid|Paris, France; Sophia Antipolis, France
The AI Platform is at the forefront of Datadog’s AI initiatives, encompassing everything from cutting-edge distributed training infrastructure for our state-of-the-art models to the essential frameworks that power Bits AI and LLMObs. We are on a mission to enhance our offerings beyond just model creation, focusing on the development of tools that will empower engineers to deploy production-ready generative AI systems. This includes creating retrieval-augmented pipelines, autonomous agents, and comprehensive evaluation harnesses.We are seeking a Senior Software Engineer to architect and develop this next-generation platform. You will collaborate closely with the Applied AI, product, and core infrastructure teams to deliver:Large-scale experimentation, training, deployment, and monitoring solutionsDeveloper toolchains tailored for agents and other generative AI applicationsLow-latency serving infrastructure that seamlessly integrates AI features into all Datadog productsAt Datadog, we value a vibrant office culture that fosters relationships, sparks creativity, and encourages collaboration. We operate in a hybrid work environment, allowing our employees to achieve a work-life balance that suits their individual needs.
Believe is a music company focused on supporting artists and labels. The team in Paris is looking for a Senior Software Engineer to help shape new projects and improve the digital platform. Role overview This position involves working with teams from different areas to create software that can grow with the company's needs. The work centers on building and improving products that help the music industry adapt and develop. What you will do Work closely with colleagues from various disciplines to design and develop software solutions Contribute technical expertise to projects that expand and strengthen Believe’s digital ecosystem Requirements Strong background in software development Interest in building products that support artists, labels, and the broader music industry Ability to collaborate effectively within cross-functional teams This role is based in Paris and offers the chance to contribute to projects that influence the future of music.
Join Segula Technologies as a Senior Certification Engineer (F/H) in the vibrant city of Paris. In this role, you will be at the forefront of ensuring product compliance and certification in line with industry standards. You will work collaboratively with cross-functional teams to develop and implement testing strategies that align with regulatory requirements.
Paris | Full-time | Fluent in French & English The e-commerce landscape is evolving rapidly, yet independent brands often find it challenging to compete with the logistical efficiency of industry giants like Amazon. At Bigblue, we are dedicated to transforming this reality.Our mission is to empower brands by providing access to top-tier operational capabilities, enabling them to grow swiftly while ensuring an exceptional customer experience.Since our inception in 2018, we have developed an innovative tech-driven logistics platform that currently supports over 500 brands, ranging from rapidly expanding direct-to-consumer enterprises to globally recognized names such as MUJI, Aigle, and Cabaïa. With a talented team of 110+ employees across Paris, Madrid, and London, and our proprietary Warehouse Management System (WMS) Atlas, we are tackling logistics challenges that others shy away from — making fulfillment processes faster, smarter, and more sustainable.Backed by over $20 million in funding and trusted by the next generation of e-commerce innovators, we are experiencing rapid growth — aiming to handle 10 million orders in 2024 and embarking on ambitious enterprise expansion. The future is bright, and we’re searching for the right partners to help us lead the charge.
Join Our Team at KovaleeAt Kovalee, established in 2020, we are on a mission to revolutionize the mobile industry by empowering app developers to reach the pinnacle of their niche, irrespective of their resources. Our cutting-edge technology and deep expertise in user acquisition, app store optimization, product enhancement, and monetization enable developers to concentrate on their passion while we accelerate their app's growth. Our successful applications, such as Bend, PepTalk, and ParrotPal, showcase our commitment to excellence and our ability to drive results.Recognized as one of the fastest-growing startups of 2024 by Sifted, we are a diverse team of over 20 professionals from more than 15 nationalities, unified by a common goal: to redefine the mobile app landscape.We are seeking a Senior Software Engineer to become a crucial part of our team, responsible for creating and sustaining the foundation of our publishing platform. In this role, you will collaborate closely with operations to address real-world business challenges while helping us innovate rapidly and ambitiously. You will report directly to the CTO and work alongside another talented software engineer.
Join our dynamic Salesforce team at Believe, where we provide cross-functional tools for our internal sales and customer support teams. As a Senior Salesforce Engineer, you'll play a pivotal role in the entire lifecycle of our vibrant, cohesive, and motivated team. Your Responsibilities:Analyze expressed needs, challenge them, and assess their feasibility.Participate in the roadmap development and its execution.Collaborate with Product teams to design and estimate suitable technical solutions for business needs.Develop and maintain Salesforce applications while adhering to KISS and YAGNI principles.Ensure the performance, resilience, security, and scalability of the developed solutions.Implement and uphold best development practices: code reviews, TDD, Clean Code, Software Craftsmanship, pair/mob programming, etc.Engage in knowledge sharing within the squad (research) and actively contribute to Believe's sharing rituals (Tech talks, Demos, Tech radar) as opportunities arise.Assist in release management, including technical documentation and testing.Contribute to the continuous improvement of development processes.Foster a pleasant, positive, and collaborative work atmosphere.
Your Impact Join Doctolib, a rapidly expanding healthcare technology platform, as we seek talented Frontend Software Engineers in Paris. We welcome developers at all stages of their careers, from newcomers to seasoned professionals, to join our innovative Engineering teams! As a Frontend Software Engineer, your role will be crucial in enhancing Doctolib's mission to provide high-quality products that benefit both patients and healthcare professionals. Your contributions will help solidify our position as a leader in the healthcare technology sector. Your key responsibilities will include: Collaborating with product managers, designers, and fellow engineers to develop features that provide real value to our users. Designing, developing, and maintaining React and TypeScript components while adhering to performance, accessibility, and scalability standards. Enhancing code quality through thorough testing, meticulous documentation, and constructive code reviews. Sharing your expertise and working collaboratively across teams to continuously advance Doctolib's frontend architecture. Life at Doctolib Tech Our solutions are built on a fully cloud-native platform that caters to both web and mobile applications, supports multiple languages, and is tailored to various healthcare specialties. Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. We ethically leverage AI across our products to empower patients and health professionals. Learn more about our AI vision here. Curious about our tech culture and working environment? Visit the Doctolib Tech site.
