Lead Frontend Developer

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.

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.

About the Role airapps is looking for a Frontend Web Developer in Paris. This position focuses on building web applications that are both engaging and easy to use. The work directly supports business objectives and improves the experience for our users. What You Will Do Develop and maintain user-facing web applications Work closely with designers and backend developers to deliver high-quality features Write clean, efficient, and reliable code Contribute to project planning and overall team success Location This role is based in Paris.

Join our dynamic Software Platform & Applications Team as a Frontend Developer at Terabase Energy, where innovation meets sustainability. You will be at the forefront of developing cutting-edge software solutions that empower renewable energy systems. Collaborate with a team of talented developers and contribute to projects that have a lasting impact on clean energy technologies.

Join our innovative team at dust as a Frontend Software Engineer, where you will play a key role in developing cutting-edge web applications that enhance user experiences. You will collaborate with designers and backend engineers to create seamless, responsive interfaces that delight our users.

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to streamline processes, enhance productivity, and foster creativity. Our cutting-edge technology integrates effortlessly into everyday workflows, revolutionizing the way we work.We are committed to democratizing AI through state-of-the-art, high-performance, open-source models and solutions tailored for enterprise needs, whether on-premises or in the cloud. Our flagship product, le Chat, serves as a versatile AI assistant designed for both personal and professional use.Our dynamic team thrives on collaboration, fueled by a shared passion for AI's potential to create positive societal change. With a diverse workforce distributed across France, the USA, the UK, Germany, and Singapore, we foster a culture of innovation, creativity, and teamwork.Join us in shaping the future of AI and making a meaningful impact in the world. Explore more about our inclusive culture at https://mistral.ai/careers.Position OverviewWe are on the lookout for a talented and enthusiastic Senior Frontend Software Engineer to enhance our innovative team. In this role, you will have the opportunity to work across our diverse product suite, contributing to its ongoing development and improvement. Your contributions will play a crucial role in elevating the user experience, making it more engaging, efficient, and user-friendly.Key Responsibilities• Full Stack Development: Design, develop, and maintain scalable features, ensuring seamless interaction between front-end and back-end systems using a modern tech stack.• User-Centric Design: Focus on optimizing user experience to ensure our products align with user needs and expectations.• Code Quality: Produce clean, maintainable, and well-documented code, actively participating in code reviews to uphold our high quality standards.• Collaboration: Engage closely with cross-functional teams, including product managers, designers, and fellow engineers, to deliver exceptional software solutions.

Join Aircall, a leading AI-enhanced customer communications platform, trusted by over 22,000 companies globally to boost revenue, expedite issue resolution, and expand customer-facing teams. We are revolutionizing customer communications by seamlessly integrating voice, SMS, WhatsApp, and AI into one cohesive workspace.Our growth is driven by a straightforward philosophy: empower teams to work smarter, not harder. With our AI Voice Agent automating routine calls, AI Assist streamlining post-call tasks, and AI Assist Pro providing real-time guidance, we enable individuals to perform at their best. The outcome? Increased revenue, quicker resolutions, and scalable teams operating with confidence.Headquartered in Paris, with a robust North American presence in Seattle and teams across various cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City, Aircall has developed a product that delights customers and a rapidly scaling business, bolstered by exceptional investors and driven by swift AI advancements across multiple product lines.At Aircall, you will be part of a dynamic, ambitious, and product-oriented company where execution matters. We make impactful decisions quickly and foster genuine growth.Our Work Culture: We prioritize customer satisfaction, leverage data for informed decisions, and aim for substantial outcomes. We value ownership, continuous learning, and thoughtful acceleration. If you excel in a collaborative, fast-paced environment where trust and impact are paramount, you will thrive here.We are seeking an enthusiastic and dedicated Frontend Engineer to join our expanding Engineering Team, specifically within our Workspace team.In this role, you will take charge of the design, development, and deployment of Aircall’s flagship products: Aircall Workspace and Aircall Dashboard. These 100% frontend products are the primary interface for our customers, where performance and user experience are critical.Our delivery processes are driven by quality, excellence, and agility. You will contribute to maintaining these high standards by writing robust, maintainable code and participating in our continuous improvement initiatives.Leveraging React and TypeScript, we create valuable and resilient services that are fully integrated with our customers' business processes.

Join the dynamic technical teams at iad Business Factory as a Frontend Software Engineer under the guidance of an Engineering Manager. You will collaborate with a diverse group of developers, Product Owners, Project Managers, Quality Assurance professionals, and designers, all dedicated to enhancing our Playiad application.Your role will encompass developing new web-oriented projects as well as evolving and maintaining existing features, all while adhering to a philosophy of continuous product improvement. Your primary responsibilities will include:Implementing solutions based on guidelines established by the technical leadership (Clean Architecture, Test-Driven Development, Domain-Driven Design, Behavior-Driven Development, etc.),Understanding the business needs of each user story (product culture),Ensuring high-quality code through test-driven development practices,Engaging in self-directed learning through continuous monitoring of technologies and best practices,Adopting a pragmatic and straightforward approach to development,Collaborating effectively with team members within your product family,Ensuring the reliability of applications in production with a 'You build it, you run it' ethos,Following principles of software craftsmanship and Extreme Programming (XP). Technical Stack:Development: Vue3, Tailwind, VueQuery, Vitest, Composable, TypeScript, VeeValidate, StoryBook, PNPM, Vite, Figma, VuePress, PHP 7/8, Symfony 4/6Databases: PostgreSQL, MySQLGitflow: Trunk-basedInfrastructure as Code: Terraform, AnsibleAWS Services: EC2/ECS, RDS/Aurora, Lambda/Step Functions, API GatewayMessaging Systems: RabbitMQ, AWS SQS, SNSLinux Environment: Shell scripting, Cron jobs, etc.CI/CD Tools: GitHub, Docker, GitHub Actions, Jira, Confluence

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.

Join Aircall, a groundbreaking unicorn in the realm of AI-driven customer communication platforms, utilized by over 22,000 companies globally. Our mission is to transform customer interactions by integrating voice, SMS, WhatsApp, and AI into a singular, efficient workspace.Our progress stems from a core belief: empower teams to operate smarter, not harder. With innovations like Aircall’s AI Voice Agent automating routine calls, AI Assist optimizing post-call processes, and AI Assist Pro providing real-time support, we enhance productivity, drive revenue, and enable teams to scale confidently.Headquartered in Paris, our European hub, we also boast a robust North American presence in Seattle, complemented by teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, our business is rapidly expanding, and we are backed by leading investors, driving swift AI advancements across various product lines.Our Work Culture: We prioritize customer satisfaction, leverage data-driven insights, and aim for impactful results. We value ownership, continuous learning, and deliberate speed. If you thrive in a collaborative, dynamic environment where trust and impact are paramount, you will fit right in.We are seeking a dedicated and enthusiastic Senior Software Engineer to enhance our Workspace team, with a primary focus on Frontend Architecture.In this role, you will be pivotal in transforming Aircall's frontend architecture into a robust platform. Our existing monorepo contains approximately 40 packages and various applications, and as we expand, it is crucial to facilitate parallel contributions from diverse feature teams without generating bottlenecks or architectural conflicts. Your mission is to design a seamless, secure, and high-performing architecture that fosters collaboration.You will serve as a catalyst for the entire engineering organization, establishing the standards for how frontend code is authored, shared, and deployed at Aircall.

Join us as a Frontend Engineer specializing in TypeScript and React at connecthum, an innovative AI infrastructure startup dedicated to developing advanced solutions for the safety and management of large-scale AI systems.About connecthum:A pioneering AI-native product company focused on AI safety and infrastructure.Supported by a diverse group of international investors.Expertly handling large volumes of AI traffic within enterprise environments.Creating and optimizing proprietary models for enhanced performance and reliability.A compact, highly skilled team committed to rapid delivery.Our mission is to develop a robust control and evaluation framework for AI systems, empowering organizations to define, test, and regulate AI behaviors in real-world contexts.Your Contributions:Take ownership of and deliver comprehensive product features across the frontend and full stack.Craft user-friendly, high-quality UX designs that simplify complex AI workflows.Develop seamless product flows, from initial onboarding to advanced analytical capabilities.Work collaboratively with founders, product managers, designers, machine learning experts, and researchers.Translate state-of-the-art AI functionalities into dependable user-centric tools.Lead the product development lifecycle while shaping technical direction and product strategies.This hands-on position lies at the intersection of product development, AI, and engineering.Technical Environment:Proficient in TypeScript, React, and Next.js.Utilizing Tailwind CSS for design systems.Integrating with LLM APIs (OpenAI API, function calling, context orchestration).Creating data visualization and analysis interfaces.Building full-stack product architecture.Ensuring effective production deployment and system observability.Your Skills:Demonstrated expertise in TypeScript, React, and Next.js.Experience in developing product features from concept to deployment.Comfortable working with LLM APIs and navigating AI product workflows.Proven ability to collaborate with multidisciplinary teams.

Join Our Innovative TeamBecome a pivotal member of the Healthcare Access stream within the Patient Domain at Doctolib. This stream is essential to our product, guiding patients through their entire journey to accessing care, from finding the right practitioner to booking their appointment and beyond.Our teams are addressing some of the most compelling and impactful challenges in digital health: enhancing search and discovery experiences to enable patients to find the right care faster, developing seamless appointment booking processes that function effectively at scale, designing a delightful and dependable patient app experience, and broadening access to healthcare for new users and diverse use cases across Europe.As a Staff Engineer in this stream, your contributions will directly influence the interfaces and systems utilized by millions of patients daily. Here, web performance, frontend architecture, and user experience are not mere engineering considerations; they are integral to how individuals access their health.

JOIN OUR TEAMWith nearly 40 members across various disciplines including Backend, Frontend, iOS, Android, DevOps, Product, UX/UI, and QA, our Tech team at Cheerz is committed to developing, testing, and deploying features that engage hundreds of thousands of users throughout Europe. Our apps and website allow customers to customize their photo products, creating unique, personalized, and memorable keepsakes.The development team operates across four platforms: backend, web, iOS, and Android, each ensuring technical integrity. Developers work within autonomous, multidisciplinary agile squads.As an Engineering Manager for Frontend Web at Cheerz, you will report directly to the CTO. You will lead a team of web developers and be part of the "Product Trio" within a squad, collaborating closely with Product Managers and Product Designers.You will thrive in a collaborative environment where bridging expertise is essential: you will connect developers, especially with Staff Engineers, the Product team, and other stakeholders at Cheerz. Your input will be vital in making strategic decisions that influence your domain and help shape Cheerz's engineering culture.Your key responsibilities will include:Technical Excellence and Vision- Ensure software quality and scalability of your area of expertise. Facilitate the adoption of best practices, standards, and architectural decisions.- Collaborate with Staff Engineers and the CTO to co-develop the technical roadmap.- Identify and lead major technical initiatives (architecture redesign, technical debt reduction, performance optimization).- Support change management and resolve resistance issues.Management and Delivery- Co-manage with the Product Trio the delivery of features and product initiatives.- Plan sprints and prioritize the technical roadmap.- Allocate resources and track project progress.- Maximize team efficiency and foster a positive work culture.

Join 360Learning as a Tech Lead Developer Experience, where you will drive innovation and lead a talented team of developers. Your role will be crucial in shaping our technology stack and improving the developer experience. Collaborate closely with cross-functional teams to deliver high-quality software solutions that align with our strategic objectives.

Join our dynamic team as a Frontend Product Engineer and play a pivotal role in ensuring the safety and integrity of large language models (LLMs).About White CircleWhite Circle specializes in AI safety, developing a comprehensive framework for the reliability, safety, and optimization of AI systems. Our platform is centered around clear, natural-language policies that dictate the appropriate and inappropriate actions of AI models. We continuously test, enforce, and enhance these policies on a large scale.Secured $11 million in funding from leading investors, including founders and senior executives from OpenAI, Anthropic, HuggingFace, and more.Handling over 100 million API calls monthly.Expertly fine-tuning and training our own LLMs for enhanced performance and cost-effectiveness compared to other models.Our small, focused team is looking for individuals eager to tackle challenging problems, quickly implement their work into production, and significantly contribute to the development of AI safety standards.Your Qualifications:Proficient in TypeScript, React, Next.js, and Tailwind CSS.Experience with LLMs, including familiarity with the OpenAI API, function calling, and context management.Ability to write complex SQL queries without needing external references.Strong focus on design, usability, and performance, prioritizing quality over mere functionality.Your Responsibilities:Oversee and deliver product features across the entire stack, from design and implementation to deployment and ongoing improvements.Craft intuitive, high-quality user experiences, ensuring smooth transitions from user onboarding to in-depth analysis.Collaborate with founders, product managers, designers, ML engineers, and researchers to transform intricate AI functionalities into user-friendly, dependable products.Lead the complete development lifecycle while influencing technical direction, product strategy, and engineering culture.Why Choose White Circle?Competitive salary ranging from $80,000 to $150,000 plus equity options.20 days of paid vacation annually.Opportunities to work from Paris in a hybrid model, including a relocation package.

Join us as a Lead Fullstack Developer and help transform the rental real estate market with innovative tech solutions!As a Lead Developer, you will play a pivotal role in our technical team:Programming and Design: Develop based on concepts defined by technical management (Clean architecture, TDD, DDD, BDD, etc.) while ensuring quality in deliverables.Technical Oversight: Supervise strategic projects including architectural improvements, platform scalability, and key migrations.Vision and Strategy: Actively contribute to technical choices and strategic direction alongside the Management and Product & Tech Manager.Product & Tech Alignment: Collaborate closely with the Product & Tech Manager to ensure deliverables are in line with product priorities and timelines.Leadership and Mentorship: Guide the Tech team and foster skill development to adopt best development practices.Agile Contribution: Participate in Agile workshops (grooming, three amigos, etc.) to ensure smooth collaboration among teams.Technical Stack:Back-end: Node.js with Express, TypeScript with Nest.js.Front-end: Vue.js/Nuxt and React in TypeScript.Database: PostgreSQL for effective management of critical data.You'll thrive in a stimulating environment:A growing Tech & Product team where everyone learns from each other.Regular training for continuous improvement.An Agile methodology (Scrumban) with rapid and frequent deployments.Aiming for ambitious goals that align with our mission.

About the Role meilleurtaux is looking for a Lead Front-End Developer to guide the front-end team in Paris. This position focuses on building and improving user interfaces and shaping the company’s digital presence through modern frameworks and development practices. What You Will Do Lead and mentor front-end developers, supporting their technical growth Work closely with cross-functional teams to deliver high-quality products Contribute to strategic planning for front-end projects Promote best practices in front-end development Drive improvements to user experience across digital platforms Location This role is based in Paris.

At Algolia, we are at the forefront of AI-powered search technology, enabling over 17,000 businesses to deliver rapid and predictive search experiences at scale. Each week, we process more than 30 billion search queries — surpassing the combined total of Microsoft Bing, Yahoo, Baidu, Yandex, and DuckDuckGo.In 2021, we secured $150 million in Series D funding, elevating our valuation to an impressive $2.25 billion. This strong financial foundation allows us to continuously enhance our market-leading platform, serving incredible clients such as Under Armour, PetSmart, Stripe, Gymshark, and Walgreens.The TeamThe Frontend Experiences (FX) team is dedicated to inspiring and empowering Algolia users in crafting exceptional UI experiences powered by Algolia. We envision, develop, and decompose advanced UI experiences into modular elements ready for integration into our users' applications. Our suite of UI libraries, including Autocomplete, is widely utilized, even appearing in the Tailwind and React documentation. Additionally, we maintain the InstantSearch library platform, unlocking complex and modern search and discovery applications.Our approach is framework-agnostic; we utilize various frameworks, including Vue.js and React, as well as plain JavaScript (Vanilla JS). We prioritize quality, writing specifications for every feature we release. Our codebase is in TypeScript, fully open-source, and thoroughly tested.Beyond frontend development, we also handle specific backend functionalities that enhance our user experiences, utilizing TypeScript, Go, and Python.The OpportunityWe are seeking a Full-Stack Engineer to join our Frontend Experiences (FX) team at Algolia. In this role, you will significantly influence the design and functionality of Algolia-powered user interfaces. You will assist customers in reimagining the future of how people search for and discover information. Your contributions will be crucial in architecting our platform, which serves as the face of Algolia’s Developer Experience.Your responsibilities will include:Architecting, designing, and developing new iterations of the InstantSearch platform, alongside our open-source libraries and backend APIs.Designing and implementing features that utilize agentic patterns within the Algolia platform and our open-source libraries.Developing new features, troubleshooting issues, and analyzing user feedback for our well-regarded open-source projects.Collaborating with product, design, and marketing teams on the rollout of new projects and websites.Taking ownership of projects, researching, exploring, and delivering innovative experiences.Sharing your expertise to enhance our understanding and improve search and discovery capabilities.

Are you an experienced Front-End Developer looking to lead innovative projects in a dynamic environment? Join nexton as a Lead Front-End Developer (H/F) in the heart of Paris. In this role, you will spearhead the development of cutting-edge web applications, collaborating closely with cross-functional teams to create exceptional user experiences.

iliad-free is hiring a Lead Golang Developer in Paris. This position guides the development of software projects using Golang, with a focus on quality and technical leadership. Role overview This role centers on leading a development team and shaping the design and implementation of software solutions. The Lead Golang Developer will set standards for code quality and help drive technical decisions. What you will do Lead development projects using Golang Oversee the design and delivery of software solutions Promote high standards in code quality and team collaboration Requirements Professional experience with Golang development Ability to lead and motivate a technical team Strong problem-solving and communication skills