React Engineer

About Air Apps Air Apps began in Lisbon in 2018 as a family-founded company with a clear goal: build the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP). Since then, the team has expanded to San Francisco and reached over 100 million downloads, all while staying self-funded. The company focuses on pushing boundaries in AI-driven solutions that help people plan, work, and live better. Team members play a direct role in shaping products that empower users worldwide. React Native Engineer , Role Overview Air Apps is growing its team in Paris and seeking a React Native Engineer to help build and maintain a suite of mobile applications. This role involves close collaboration with designers, product managers, and engineers to deliver seamless, high-quality user experiences. The work centers on delivering applications that meet high standards for both quality and usability. This posting is part of a talent pool initiative ahead of the official job launch. Interested candidates will be contacted when the position formally opens. Location and Relocation This is a fully onsite position based at the Lisbon office. Daily work happens in person with cross-functional teams. Relocation support is available for those moving to Lisbon.

About Air Apps Air Apps is a family-owned company founded in 2018 in Lisbon, Portugal. The team builds AI-powered tools that help people plan, work, and live more effectively. The flagship product is the Personal & Entrepreneurial Resource Planner (PRP), which has reached over 100 million downloads worldwide. Air Apps remains self-funded and has grown its presence with offices in Lisbon and San Francisco. The company values creative problem-solving and adapts quickly to new challenges. Every day, the team works to advance AI-driven solutions that have a real impact on how people manage their resources. Air Apps is on a mission to redefine resource management and improve lives around the globe.

About Air Apps Air Apps develops AI-powered tools that help people manage their resources more effectively. Since launching in Lisbon in 2018, the company has grown to offices in Lisbon and San Francisco, staying self-financed while reaching over 100 million downloads worldwide. Air Apps focuses on building products that blend efficiency with creativity, aiming to change how users plan and organize their work and life. Data Analyst Role – Paris (Onsite) The Data Analyst at Air Apps works onsite in Paris, collaborating with cross-functional teams to turn data into insights that shape product decisions. This role centers on analyzing and interpreting data, creating reports, dashboards, and performance metrics that guide business and product improvements. Main Responsibilities Analyze data to uncover trends and actionable business insights Develop and maintain reports, dashboards, and key performance indicators Present findings to help teams make informed decisions Work closely with colleagues from different departments to improve user experience What We’re Looking For Strong analytical skills and a data-driven approach Experience using data visualization tools Ability to translate complex datasets into clear, actionable insights Comfort working onsite at our Paris office Additional Details This is a fully onsite position in Paris Relocation support is available

About Air Apps Air Apps creates tools that simplify resource planning for individuals and businesses. Founded in 2018 in Lisbon, the company developed the first AI-powered Personal & Entrepreneurial Resource Planner (PRP). With more than 100 million downloads worldwide and offices in Lisbon and San Francisco, Air Apps remains self-funded and focused on innovation in its field. The team challenges conventions every day, building AI-driven products that aim to make a real difference. Employees at Air Apps help shape solutions used across the globe. Role Overview: Financial Analyst (Paris, Onsite) The Financial Analyst will join the finance team in Paris, working onsite to support data-driven decisions throughout the company. This position suits early-career finance professionals interested in technology and global operations. Air Apps offers relocation assistance for those moving to Paris. The role involves close collaboration with senior finance staff and cross-functional teams, handling accounting records, financial reporting, and bank transactions. There is strong exposure to the financial workings of a company with a global reach. Main Responsibilities Assist with month-end closing activities and related reporting. Prepare both recurring and ad-hoc financial reports to inform strategic choices. Oversee accounting records, handle bank transactions, and support tax compliance. Work with Product, Marketing, and Operations teams to gather data and connect financial insights to business goals. Review and reconcile expense reports, bank statements, and accounts receivable/payable. Help monitor cash flow and conduct cost analyses. Take part in improving and automating financial processes and tools, including ERP and expense management systems. Work Location and Relocation This is a fully onsite role based in Paris. Air Apps will assist with relocation for the right candidate.

About Air Apps Air Apps builds AI-powered tools that help people plan, work, and manage resources more effectively. Founded in Lisbon in 2018 and still family-led, the company has expanded to San Francisco and reached over 100 million downloads worldwide. Air Apps remains self-funded and focused on creating products that support both personal and entrepreneurial growth. Team members work together to develop solutions that make a real difference for users across the globe. Role Overview: SEO Specialist (Paris) The SEO Specialist shapes how Air Apps’ products and websites appear in organic search. This role partners with marketing, product, and development teams to grow visibility and drive traffic. The position is fully onsite in the Lisbon office, with relocation support available. Main Responsibilities Create and execute SEO strategies to increase organic traffic and improve search rankings. Perform keyword research and optimize content for search engines. Monitor site performance using tools such as Google Analytics, Search Console, and Ahrefs. Work with content and product teams to develop SEO-optimized materials. Keep up with changes in SEO trends and search engine algorithms. Conduct technical SEO audits and suggest improvements. Track and report on key SEO metrics. What We’re Looking For At least 3 years of hands-on SEO experience, ideally with digital products or apps. Strong knowledge of on-page, off-page, and technical SEO. Comfort using keyword research tools, Google Analytics, and other SEO platforms. Experience with App Store Optimization (ASO) is a plus. Excellent analytical and problem-solving abilities. Location and Relocation This role is based onsite in Lisbon, working closely with cross-functional teams. Air Apps offers support for those relocating to join the team.

About Air Apps Air Apps is a self-funded company founded in Lisbon in 2018. The team builds AI-powered tools to help individuals and entrepreneurs plan their resources more effectively. Over 100 million people have downloaded Air Apps products worldwide. The company has grown its presence in Lisbon and San Francisco while staying focused on long-term goals and practical innovation. Air Apps prioritizes solutions that improve lives and challenge traditional approaches. Team members play a direct role in shaping products that reach a global audience. Content Marketing Manager Role The Content Marketing Manager leads the creation and execution of Air Apps’ content strategy. The goal: position Air Apps as an industry leader and engage a broad user base. This role involves producing a range of materials, including blog articles, whitepapers, case studies, and email campaigns. Each piece should educate, inform, and attract both current and prospective users. Success in this position relies on strong storytelling, a solid grasp of SEO, and the ability to analyze results. The right candidate will help grow Air Apps’ brand visibility and deepen audience engagement. Location and Work Environment This is a fully onsite role based in the Lisbon office. Collaboration with teams across the company is central to the work. Relocation support is available for those moving to Lisbon.

About Air Apps Air Apps develops AI-powered tools to help people plan, work, and manage resources more effectively. Founded in Lisbon in 2018, the company operates in both Lisbon and San Francisco and remains self-funded. Air Apps has surpassed 100 million downloads worldwide. Role Overview The People Operations Specialist will support HR and recruiting activities, ensuring smooth and timely handling of recruitment, onboarding, documentation, and employee support. This role helps maintain a compliant and organized workplace that puts people first. Key Details Location: Paris (onsite at our office) Relocation: Assistance available for those moving to Paris What You Will Do Coordinate recruitment and onboarding processes Manage HR documentation and maintain accurate records Support employees with HR-related questions and needs Work closely with cross-functional teams in an onsite setting Help ensure workplace compliance and organization Air Apps values ambition and a drive to challenge the status quo. The team is committed to building products that empower users and improve lives around the world.

About Air Apps Air Apps is a family-founded company focused on building AI-powered tools to help people plan, work, and live better. Since our start in Lisbon, Portugal in 2018, we have expanded to offices in both Lisbon and San Francisco and reached over 100 million downloads worldwide. The company remains self-funded and committed to pushing AI-driven solutions that make a real impact. Our long-term vision is to challenge the status quo and develop products that empower individuals globally. Team members play a key part in shaping these tools and influencing how resource management evolves. Role Overview The User Acquisition Specialist (Performance Marketing) will drive user growth through a mix of acquisition channels: paid ads, affiliates, influencer partnerships, and organic initiatives. This role uses data to guide decisions, optimize spend, and align user growth with business goals. This is a fully onsite position based in our Lisbon office. Collaboration with cross-functional teams is central to the work. Relocation assistance is available. What You Will Do Strategic Planning: Develop and execute user acquisition strategies using channels such as paid search, paid social, display ads, influencer marketing, and referral programs. Campaign Management: Set up, monitor, and adjust advertising campaigns. Manage budgets, bids, and targeting to maximize ROI. Analytics & Reporting: Track key metrics (CPI, CPA, LTV) with analytics and attribution tools. Share actionable insights with stakeholders. Experimentation: Test new channels, creative approaches, and messaging to find growth opportunities and improve results over time. Cross-Functional Collaboration: Work with Product, Analytics, and Creative teams to coordinate acquisition efforts with product launches, new features, and seasonal campaigns.

About Air Apps Air Apps builds AI-powered solutions for resource management. Since 2018, the company has operated from Lisbon and San Francisco, remaining self-funded while reaching over 100 million downloads worldwide. Founded by a family with a clear vision, Air Apps aims to change how people plan and manage resources through the Personal & Entrepreneurial Resource Planner (PRP). The team values innovation and agility, working to create products that make a real difference in users’ daily lives. Air Apps welcomes those who want to help shape technology that empowers people globally. Role Overview: Quality Assurance Analyst (Paris, Onsite) The Quality Assurance Analyst ensures the quality, reliability, and usability of Air Apps’ mobile and web products. This role works onsite at the Paris office, collaborating directly with product managers, developers, and designers. Relocation assistance is available for those moving to Paris. The position suits someone who enjoys structured testing, detailed documentation, and teamwork focused on improving product quality. What You Will Do Run smoke and regression tests for new releases and feature updates. Manually execute test cases on web and mobile applications. Identify, document, and report bugs with clarity and precision. Work with developers and product teams to triage and resolve issues. Track test cases using tools like TestRail, Zephyr, or Xray. Log issues and monitor progress through project management platforms such as Jira or Asana. Check functionality across different browsers and mobile devices. Use browser developer tools to inspect elements, monitor network requests, and support troubleshooting. Help improve QA processes and documentation standards. Location This is a fully onsite role based in Paris. Relocation support is available if required.

About Air Apps Air Apps is a family-founded company focused on rethinking resource planning. Since launching in Lisbon in 2018, the team has grown to operate in both Lisbon and San Francisco. Air Apps has reached over 100 million downloads worldwide, all while remaining self-funded. The company’s mission centers on building the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP). Innovation drives daily work at Air Apps. The team aims to create AI-driven solutions that make a real difference in how people manage their resources. Employees are encouraged to bring creativity to product development and help empower users around the globe. QA Automation Engineer Role The QA Automation Engineer will develop and maintain automated testing frameworks and regression test suites. This work ensures Air Apps’ products meet high quality standards across both web and mobile platforms. The role involves close collaboration with developers, product managers, and QA colleagues to implement automated testing strategies, expand test coverage, and improve testing efficiency. Efforts in this position directly affect the stability, performance, and reliability of Air Apps’ applications. Location and Work Environment This is a fully onsite position based in the Paris office. The role involves working closely with cross-functional teams. Air Apps is willing to assist with relocation for this position.

About Air Apps Air Apps builds AI-powered tools for personal and entrepreneurial resource planning. Founded in Lisbon, Portugal in 2018, the company has reached over 100 million downloads worldwide. Air Apps is self-funded and focuses on practical solutions that help individuals and entrepreneurs manage resources more effectively. The team values creativity, ambition, and a willingness to challenge established ways of working. Role Overview The Software Architect (also referred to as Solutions Architect) will define and oversee the architecture for Air Apps’ advanced AI platform. This role works onsite in the Paris office, collaborating with engineering teams, product managers, and other stakeholders. The architect will design systems that are scalable, secure, and high-performing, always aligning with business objectives. What You Will Do Design and maintain the architecture for the AI platform Work closely with cross-functional teams to ensure technical solutions meet product and business needs Evaluate new tools, frameworks, and technologies for potential adoption Promote best practices in software design, cloud infrastructure, and system integration Help shape the company’s technology strategy Work Location and Relocation This is a fully onsite position based in Paris. Air Apps is open to assisting with relocation for the right candidate.

Join Our Team as a Staff Mobile Engineer - React NativeAt Doctolib, we are seeking a talented Staff Mobile Engineer with profound knowledge in React Native to become a part of our innovative Patient domain.In this pivotal role, you will help us transform the Doctolib mobile app into a comprehensive AI-powered health companion, enabling individuals to lead healthier lives. Your contributions will be vital in enhancing the quality, user experience, and overall depth of our mobile application while establishing solid technical foundations for mobile development within our team.As a member of the tech team at Doctolib, you will be at the forefront of developing groundbreaking products and features that enhance the daily routines of care teams and patients alike. Our dynamic environment emphasizes collaboration among product, design, and business teams in agile feature teams.Your responsibilities will include:Defining and refining mobile architecture patterns and technical standards for the patient domain.Championing technical excellence in mobile development, ensuring the highest code quality and adherence to best practices.Collaborating on the technical roadmap and guiding architectural decisions for the mobile platform.Mentoring and supporting mobile engineers in developing robust and scalable solutions.Leading by example in building features that significantly enhance user experience and app performance.

About Air Apps Air Apps builds mobile applications focused on productivity and utility, with over 100 million downloads worldwide. The team combines creativity, data, and engineering to deliver well-designed tools that help people stay productive and connected. Based in Lisbon, Air Apps values innovation, ownership, and a sense of purpose in its work culture. Role Overview The Social Media Specialist will join Air Apps in a full-time, onsite role in Paris. This position centers on writing and publishing engaging content for the company’s social media channels, both for the overall brand and individual products. The goal: foster community engagement and strengthen brand awareness. Main Responsibilities Create and publish content that resonates with followers across platforms Work closely with Marketing, Product, and Design teams to develop posts that drive engagement Build momentum around the Air Apps brand and keep audiences informed Help maintain a consistent voice and style across all social channels Work Location This is a fully onsite role based in Paris Relocation assistance is available for candidates moving to Paris

Join Theodo Apps as a Mobile Software Engineer!Since 2009, Theodo has been at the forefront of innovation, helping businesses design, develop, and deploy ingenious digital products by leveraging cutting-edge technology and Lean methodologies.With remarkable growth over the last 15 years, our team has expanded to over 700 talented Theodoers, primarily consisting of passionate Software Engineers dedicated to continuous improvement. Theodo has structured its operations into specialized entities focusing on technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Products). By 2025, Theodo is projected to generate €100M in revenue.Theodo Apps, our division specializing in multi-platform application development (mobile, web, and TV), has successfully delivered over 130 projects. We partner with our clients to design, develop, and deploy applications that transform user experiences.In just a decade, Theodo Apps has grown from 2 to 120 employees, achieving a revenue of €24 million in 2024!We collaborate with a diverse range of clients, from innovative entrepreneurs and SMEs to industry giants like TF1+, Carrefour, Urgo, and Compagnies des Alpes.Your Team:The technical team at Theodo Apps consists of 49 software engineers, tech leads, and architects, all from top engineering schools, along with Engineering Managers dedicated to your success.Your Future Responsibilities:As a Mobile Software Engineer, your mission will be to solve strategic challenges for our clients through technology while contributing to the growth of Theodo Apps by enhancing your skills and pursuing continuous improvement.- Design and develop multi-platform applications (mobile, web, TV)

Role Overview Theodo is hiring an AI-Native Software Engineer in Paris. This position focuses on building software for the fintech sector using artificial intelligence tools and methods. The team works closely with clients to improve how financial products work and feel. What You Will Do Develop software solutions that use AI to address challenges in finance Work with other engineers to design, build, and refine applications Help improve clients' operations and the experience of end users Collaboration Work alongside skilled engineers on projects that shape the future of fintech. Expect regular knowledge sharing and teamwork throughout each project cycle.

Blockchain.com is at the forefront of revolutionizing the financial landscape through cryptocurrency. As the leading and fastest-growing global crypto company, we empower millions of individuals around the globe to access cryptocurrency securely. Since our inception in 2011, we have gained the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions.We are on the hunt for a talented Front-End Engineer with a passion for crypto and Web3 technologies to join our dynamic engineering team. In this role, you will work on developing innovative Blockchain applications that are among the most popular in the crypto ecosystem. Your contributions will shape user interfaces that power future wallets, block explorers, financial and market data products, along with cutting-edge visualizations.Our engineering teams engage in all phases of the product life cycle, encompassing idea generation, design, prototyping, planning, execution, and deployment.

Join Theodo: Innovating Since 2009Theodo is a pioneering group that has been assisting innovative companies in designing, developing, and deploying ingenious digital products since 2009, harnessing the best of technology and Lean methodologies.With a remarkable growth trajectory over the past 15 years, our team has expanded to over 700 Theodoers, primarily composed of passionate Software Engineers committed to continuous improvement. As we grow, Theodo has structured itself into specialized entities focused on various technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Products). By 2025, Theodo aims to generate €100M in revenue.With over 130 projects completed, Theodo Apps is the group's entity dedicated to multi-platform application development (mobile, web, and TV). We support our clients in the design, development, and deployment of applications that transform user experiences.In the last decade, Theodo Apps has grown from 2 to 120 employees and achieved a revenue of €24 million in 2024!We collaborate with a diverse range of clients including entrepreneurs, innovative SMEs, and large corporations such as TF1+, Carrefour, Urgo, and Compagnies des Alpes.Your Future Responsibilities:As a Product Manager, your mission will be to assist the team in maximizing product value by prioritizing and delivering high-quality features that enhance customer satisfaction.- Prioritize and deliver high-value features while adhering to milestones and commitments made to clients.- Demonstrate team value and progress by making work visible and facilitating client decision-making (review decks, daily updates, etc.).- Understand client preferences and organize rapid and appropriate responses in case of issues, utilizing tools like...

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 Mission: We are dedicated to empowering SMEs to thrive in their business endeavors by providing Europe's premier finance workspace. Our platform integrates top-notch tools such as streamlined invoicing, effective spend management, and pre-accounting features, all backed by our dedicated 24/7 support team, ensuring that our clients navigate their financial responsibilities with ease.About Qonto: Founded in July 2017 by Alexandre and Steve, Qonto has quickly established itself as a trusted partner for over 600,000 customers. With a growing team of over 1,600 Qontoers, we proudly feature in the LinkedIn Top Companies ranking in France!Our Core Values:Customer focus | We prioritize our customers in all our endeavors.Ownership | We take responsibility for our roles and strive to achieve results.Teamwork | We simplify collaboration and support each other.Mastery | We constantly seek to improve and elevate standards.Integrity | We act ethically and with respect towards all individuals.Diversity & Inclusion: At Qonto, we are committed to creating an inclusive environment where everyone can succeed. We evaluate applicants based on their skills and potential, fostering diversity with 55% of our team being international, 44% women, and 20% parents. Join us in cultivating a workplace that values diversity and individuality.Learn about our commitment to a fair hiring process.⭐ Your Role:As a Fullstack Engineer, you will play a pivotal role in developing financial tools that empower over 600,000 SMEs to manage their finances efficiently. Collaborating closely with our Head of Engineering, Yanis, you will focus on creating impactful financial features that simplify processes for SMEs and accountants.‍‍ Responsibilities:• Feature Ownership: Take charge of features from conception to deployment, working closely with Product Managers to define technical specifications and deliver results.• Robust Tool Development: Design and implement scalable solutions for pre-accounting functionalities, ensuring a seamless user experience.