Senior Full Stack Engineer at Upflow | Paris or Remote

About UpflowUpflow is a pioneering provider of innovative cash collection technology designed to assist B2B enterprises in streamlining their payment processes.As a product-driven SaaS startup founded in 2018, we have earned the trust of hundreds of companies across the US and EMEA, including notable names such as Lattice, ProductBoard, and Instawork. Our gr…

Join our team as a Java Angular Developer for a Banking Project (H/F)Location: Villejuif (78)Remote Work: 3 days a weekContract Type: CDISalary: Starting from €45,000Start Date: ASAPRequired Experience: Minimum 4 yearsMain Responsibilities:Design, develop, and maintain full-stack web applications.Engage in technical analysis and solution design.Create RESTful services and APIs.Contribute to both front-end and back-end application development.Participate in code reviews to ensure development quality.Address issues and optimize application performance.Assist in deploying and operating applications in a containerized environment.Contribute to monitoring and managing applications in production.Collaborate with project teams in an Agile setting.

We are seeking a dynamic and detail-oriented Web Project Manager to lead our digital initiatives at myjobcompany1. In this pivotal role, you will oversee the planning, execution, and delivery of web projects, ensuring they meet client expectations and business objectives.Your responsibilities will include coordinating between cross-functional teams, managing project timelines, and communicating effectively with stakeholders. You will be instrumental in driving project success from conception through to completion.

Join amo as one of the pioneering members of our Web Engineering team. In your initial months, you will collaborate closely with the team to develop and manage the systems that drive our operations, analytics, and distribution. We seek adaptable engineers who are eager to take ownership of comprehensive components, from architecture and implementation to monitoring.We prioritize engineers who delve deep into their work, cultivating strong domain expertise and fully embracing the responsibilities of their role. Your contributions will be vital in scaling our web stack, enhancing our internal product philosophy, and accelerating the company’s growth and learning.At amo, our Web team constructs the foundation of our internal platform: from Backoffice tools and growth dashboards to experimentation systems and invite-page infrastructure, as well as analytics implementation and the UI and backend layers that empower other teams to function effectively.Your Daily Responsibilities as a Web Engineer Include:Developing Internal Tools & Backoffice SystemsCrafting internal platforms for data access, monitoring, and operational workflows, collaborating directly with internal users to identify their needs and challenges, translating these insights into scalable, well-engineered solutions that integrate seamlessly into our stack.Managing Growth & Distribution InfrastructureBuilding systems for growth levers, managing distribution flows, and facilitating tracking for acquisition, activation, and retention, including invite pages enriched with OG metadata.Orchestrating SegmentationUtilizing our workflow orchestration system (Restate) to design robust, event-driven workflows that bolster growth mechanisms, data processing, segmentation logic, and lifecycle automation across the platform.Creating Metrics Dashboards & Data VisualizationsDeveloping real-time dashboards that convert metrics into actionable insights for the team.(Optional) AI-Driven AutomationContributing to AI/LLM-powered pipelines for scalable content and metadata generation, delivery, and publishing, with systems that adapt and improve based on performance and/or manual evaluation.End-to-End OwnershipTaking complete ownership of projects from inception to deployment, ensuring quality and efficiency at every stage.

We are seeking a talented PHP Developer to join our dynamic team at myjobcompany1 in Paris. In this role, you will be responsible for developing, testing, and maintaining innovative web applications that drive our business forward. Your expertise in PHP and related technologies will be essential in creating efficient and scalable solutions.

Join our dynamic team at nexton as an Experienced Web Analyst! In this pivotal role, you will leverage your analytical skills to turn data into actionable insights, driving user engagement and enhancing our digital strategy.

We are seeking a dynamic and experienced Lead Frontend Developer to join our innovative team at myjobcompany1. In this role, you will lead the development of high-quality, scalable web applications utilizing the latest technologies. You will collaborate with cross-functional teams to define, design, and ship new features while ensuring a seamless user experience.

Join our dynamic team at myjobcompany1 as a Lead Front-End Developer. In this pivotal role, you will innovate and enhance our web applications, ensuring a seamless user experience. Collaborate with designers and back-end developers to create responsive, user-friendly interfaces that captivate our audience.

About LuoPay LuoPay provides foreign exchange and cross-border payment solutions for businesses across Africa. The company aims to help African businesses transact with international suppliers more efficiently, transparently, and cost-effectively than traditional banking methods. LuoPay has seen strong growth in several markets and is expanding its engineering team to continue building financial infrastructure for FX and payments in Africa. Role Overview The Lead Frontend Developer will join LuoPay in Paris, working alongside engineers to improve both internal tools and products used by customers. This position plays a key role in supporting a payment infrastructure that processes millions of euros in transactions every day. Success in this role depends on a deep understanding of customer needs, the ability to weigh project priorities for maximum impact, and clear communication across technical and non-technical teams. Main Responsibilities Build and launch dynamic web applications using React. Design user interfaces that are intuitive and easy to use. Work with teams across the company to gather requirements and feedback. Contribute to product research and help create wireframes. Partner with backend engineers to design APIs and support deployment. Test thoroughly to maintain high product quality. Apply AI-driven development methods to improve productivity. What LuoPay Looks For At least 6 years of experience building web products. Background working in small teams where priorities can shift quickly. Strong focus on product outcomes and customer satisfaction. Excellent written and spoken communication. Ability to identify trade-offs and balance effort with expected results. Tech Stack Experience with React, Typescript, Golang, Postgres, Docker, Gitlab, GCP, and Cloudflare is important for this role.

Join Speechify as a Tech Lead specializing in Web Core Product and Chrome Extension development in the vibrant city of Paris. We are looking for a passionate leader who thrives in a dynamic environment and is excited about shaping the future of our technology solutions.As a Tech Lead, you will play a pivotal role in guiding our engineering team, driving innovative projects, and ensuring the delivery of high-quality products that enhance user experience. Your expertise in web technologies and extension development will be crucial in leading our product vision.

Join Altersolutions as a Java Angular Developer H/F, where you will be part of a dynamic team tasked with developing innovative web applications. We are looking for someone with a passion for technology and a strong foundation in Java and Angular frameworks.

Join our innovative team at myjobcompany1 as a Front End Developer (H/F) where your skills will contribute to building dynamic and responsive web applications. We are looking for a passionate individual who thrives in a fast-paced environment and is eager to embrace new challenges.

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.

About Mistral AIAt Mistral AI, we harness the transformative potential of artificial intelligence to streamline tasks, conserve time, and foster creativity and learning. Our technology is engineered for seamless integration into everyday workflows.Our mission is to democratize AI through high-performance, optimized, and open-source models and solutions tailored for enterprises, whether on-premises or in the cloud. Among our offerings is le Chat, an AI assistant designed to enhance both personal and professional life.We pride ourselves on being a vibrant, collaborative team, united by our passion for AI and its capability to revolutionize society. Our diverse workforce excels in competitive environments and is dedicated to driving innovation. Our teams are spread across France, the USA, the UK, Germany, and Singapore, characterized by creativity, humility, and a strong team spirit.Join us in shaping the future of AI at Mistral, where your contributions can lead to significant societal impact. Discover more about our culture at https://mistral.ai/careers.

Join our dynamic team at iliad-free as a Senior Python/Django Developer. In this pivotal role, you will be responsible for designing, developing, and maintaining high-quality web applications that enhance user experience in the Free TV sector. You will collaborate with cross-functional teams to deliver innovative solutions that address real-world challenges.

Role overview QIMA seeks a Senior Manager of Data & Web Engineering based in Paris. This position leads a team dedicated to developing and enhancing platforms that drive marketing and customer engagement. The work centers on both data and web engineering, with a focus on supporting business growth and outreach. Key responsibilities Guide and mentor a team handling data and web engineering initiatives. Collaborate with other departments to ensure technical solutions fit business goals. Supervise the development and improvement of scalable data infrastructure. Contribute to web technology projects that advance marketing efforts and customer connections. Collaboration This position works closely with cross-functional teams, making sure technical systems support company needs and can adapt as the business evolves.

Dashlane seeks a Staff Platform Engineer - Web to join the Paris team. This position focuses on building and maintaining the core web platform, with an emphasis on performance and user experience. Role overview The Staff Platform Engineer - Web will play a key part in shaping development processes and setting technical direction for web projects. The work centers on delivering secure, efficient solutions that support Dashlane’s standards for quality and reliability. What you will do Lead efforts to improve and maintain the web platform Guide development teams with technical expertise Focus on optimizing performance and user experience Who we’re looking for Experience building and maintaining web platforms Strong interest in technology and user-focused design Enjoys working collaboratively and sharing knowledge Brings innovative ideas to technical challenges

Join Altersolutions as a talented .Net / React JS Developer and take your career to the next level! We are seeking an individual with a strong background in .Net and React JS to contribute to exciting projects in a dynamic environment. You will collaborate with a team of professionals dedicated to delivering high-quality software solutions.

Join SMCP as an Assistant Web Merchandiser (Internship) and help us elevate the online shopping experience! In this dynamic role, you will assist in managing our web merchandising strategies, ensuring that our products are presented in the best possible light to drive sales and enhance customer engagement. You will be a key player in analyzing market trends, optimizing product displays, and collaborating with various teams to ensure a seamless online experience.

Are you passionate about digital marketing and content creation? Looking for an internship at the forefront of a business group's challenges? Join our marketing team and actively contribute to the enhancement and optimization of our digital presence.Main Responsibilities:Website Management and Content UpdatesAssist in feeding and updating website content.Publish new content in collaboration with internal teams.Conduct ongoing checks of the websites (links, display, content) to ensure a seamless and error-free experience.Ensure content consistency aligns with our brand image.Help improve user experience and clarity of user journeys.Coordination with Internal TeamsGather content needs from various teams within the group.Help structure and rephrase information to make it comprehensible and attractive.Engage in discussions with marketing, communication, product, and IT teams.Digital Marketing & Content CreationAssist in producing digital content (web pages, articles, digital materials) focused on performance and visibility.Apply best practices in web writing and SEO optimization.Participate in developing the group's digital content strategy.Contribute to cross-marketing projects with the Digital Manager, addressing digital needs as per the commercial calendar.Support the continuous enhancement of the digital customer experience, collaborating with Web and Tech teams.Stay updated on digital trends.Performance Monitoring and Continuous ImprovementParticipate in tracking content performance (traffic, page views).Conduct simple analyses and suggest areas for improvement.Document best practices and processes related to web content management.