Fullstack Software Engineer - AI Modernization at Theodo | Paris

Join Our Team as a Senior Fullstack EngineerAt Capi, we empower businesses in emerging markets to efficiently pay their international suppliers in a straightforward, rapid, and equitable manner.With over $18 million in backing from esteemed investors such as Creandum, Y Combinator, General Catalyst, and notable angel investors from Revolut, Checkout, Stripe, and Remitly, we are committed to constructing the financial infrastructure that emerging markets truly deserve.By streamlining global trade, we enable local businesses to flourish, create more jobs, and drive prosperity within their communities.Our mission is to enhance GDP in emerging markets by making the global financial system more equitable and accessible. We address the challenges of global trade, simplifying the payment process for importers dealing with international suppliers. Our platform is designed to facilitate rapid business expansion, job creation, and serve as a catalyst for the prosperity of their nations.Our diverse team consists of approximately 80 individuals from 10 countries; we are a driven and ambitious group dedicated to making a significant impact in the world. We are excited to welcome more passionate individuals to our team!Explore Capi’s mission & values.Role OverviewYou will become part of a small, high-performing team of engineers and product leaders, influencing the scaling of our platform and increasing our impact.From day one, you will collaborate closely with the founding team based in London and Paris to shape our product vision and the various components of our technical architecture. As we expand our products and strengthen our presence in emerging markets, you will play a pivotal role in developing technology that addresses customer challenges.To succeed, you should possess empathy and curiosity to uncover the root of issues, along with the creativity to devise solutions that balance impact, effort, and user satisfaction.

Join Capi as a Product EngineerCapi is revolutionizing the financial infrastructure for trade in emerging markets. With over $18M in funding from prestigious investors such as Creandum, Y Combinator, and General Catalyst, we are committed to making global trade easier and more accessible, enabling local businesses to thrive and contribute to their communities’ prosperity.Our mission is to enhance GDP in emerging markets by creating a more equitable global financial system. We simplify the process for importers to pay their international suppliers, allowing businesses to expand rapidly, create jobs, and drive prosperity in their countries.Our diverse team of approximately 80 passionate individuals spans 10 countries, united by a shared ambition to make a tangible impact in the world. We are looking for driven individuals to join us in this mission!Role OverviewAs a Product Engineer, you'll be an integral part of a dynamic team of engineers and product leaders, collaborating closely with our founding team across London and Paris. You'll have the opportunity to shape the product vision and technical architecture from day one. Your role will involve building innovative technology solutions that address customer challenges as we expand our reach in emerging markets.To succeed, you should possess a deep sense of empathy and curiosity to understand the root of problems, coupled with the creativity to devise solutions that balance impact, effort, and user satisfaction.Key ResponsibilitiesEngage in the product lifecycle from ideation to UI development, backend logic, deployment, and feedback measurement.Communicate updates about new features, gathering feedback pre-implementation and explaining details at launch.Define and oversee delivery milestones, ensuring alignment between engineering and product priorities.

Join Our Team as a Product EngineerAt Capi, we empower businesses in emerging markets to make international supplier payments efficiently and fairly.With over $18 million in funding from prestigious investors like Creandum, Y Combinator, General Catalyst, and notable angels from Revolut, Checkout, Stripe, and Remitly, we are on a mission to build the financial infrastructure that emerging markets truly deserve.Our goal is to simplify global trade, enabling local businesses to thrive, hire more staff, and drive economic prosperity within their communities.We aim to enhance GDP growth in emerging markets by making the global financial system more equitable and accessible. By addressing global trade challenges, we facilitate smoother payments for importers to their international suppliers, thereby helping businesses expand and create job opportunities.Our dynamic team of approximately 80 talented individuals spans across 10 countries, all driven by ambition and a desire to make a significant impact on the world. We are eager to welcome more passionate individuals to our team!Explore Capi’s mission & values.Role OverviewAs a Product Engineer, you will be part of a close-knit, high-achieving team of engineers and product leaders who are crucial in scaling our platform and enhancing our impact.From day one, you will work alongside the founding team in London and Paris, contributing to the product vision and influencing all facets of our technical architecture. This role is vital as we scale our offerings and strengthen our presence in emerging markets, creating technology solutions that address real customer challenges.To excel in this position, you must possess a strong sense of empathy and curiosity to uncover the root of issues, along with the creativity to develop solutions that balance impact, effort, and user satisfaction.Key ResponsibilitiesContribute throughout the product lifecycle, from ideation to UI design, backend logic development, deployment, and feedback analysis.Engage in effective internal and external communication regarding new features, including gathering pre-implementation feedback and presenting features at launch.Define and manage project milestones, ensuring alignment between engineering and product priorities.

Join Our Dynamic Team!At Capi, we empower businesses in emerging markets to pay their international suppliers in a straightforward, swift, and equitable manner.Supported by over $18M from esteemed investors such as Creandum, Y Combinator, General Catalyst, along with angel investors from Revolut, Checkout, Stripe, and Remitly, we are in the process of constructing the financial infrastructure that emerging markets rightfully deserve.By streamlining global trade, we facilitate quicker growth for local businesses, enabling them to hire more talent and foster prosperity within their communities.Our mission is to bolster GDP in emerging markets by making the global financial system more equitable and accessible. We are addressing the challenges in global trade, simplifying the payment processes for importers dealing with international suppliers. Our platform empowers businesses to expand swiftly, generate new jobs, and serve as catalysts for prosperity in their nations.With a team of approximately 80 individuals spanning across 10 countries, we are a collective of ambitious, results-driven professionals committed to making a tangible difference in the world. We are on the lookout for passionate individuals to join our growing team!Explore Capi’s mission & values.Role OverviewAs a Technical Recruiter at Capi, you will be instrumental in expanding our Engineering and Product teams during this exciting period of growth. You will lead the complete cycle of technical hiring across diverse roles and locations, closely collaborating with Engineering leadership and the Talent team to achieve ambitious hiring goals and key performance indicators (KPIs). Your expertise will help define our technical hiring strategy, cultivate relationships with candidates, and ensure an exceptional experience for both candidates and the hiring team throughout the recruitment journey.

Join Aircall, a revolutionary unicorn in the realm of AI-driven customer communication solutions, utilized by over 22,000 enterprises globally to enhance revenue, expedite issue resolution, and scale customer-facing teams. We are transforming customer interactions by unifying voice, SMS, WhatsApp, and AI into a singular, efficient workspace.Our growth stems from a straightforward philosophy: empower teams to work smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro provides real-time support, enabling teams to excel. The outcome is enhanced revenue, quicker resolutions, and teams that grow confidently.Headquartered in Paris, with a robust North American presence in Seattle, Aircall has teams located throughout Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product has garnered immense customer appreciation, and our business is rapidly scaling, bolstered by top-tier investors and driven by swift AI advancements across various product lines.At Aircall, you will be part of a dynamic and ambitious organization. We prioritize product innovation, execution, and making a tangible impact through rapid decision-making and genuine growth.Our Work Culture at Aircall: We are dedicated to our customers, guided by data, and focused on achieving significant results. We value ownership, continuous improvement, and thoughtful speed. If you excel in a collaborative, fast-paced environment where trust and impact are paramount, you will thrive here.We seek a dedicated and enthusiastic Senior Software Engineer to become a vital part of our expanding Communication Platform department, specifically within the Number Management team. You will take charge of designing, developing, deploying, and maintaining business-critical features that bring significant value to our customers.Your daily responsibilities will include advocating for best practices, mentoring team members, and enhancing engineering standards across the organization.Our commitment to quality, excellence, and agility drives our delivery processes, and your role will be pivotal in elevating these standards.You will be working primarily with TypeScript and Ruby, ensuring that our solutions meet the highest standards.

Join Verso, where we are revolutionizing consumer insights with our Consumer Intelligence OS. Our innovative AI-driven platform transforms traditional qualitative research methods by continuously analyzing consumer conversations at scale. Rather than relying on one-off studies, our clients gain a structured and ongoing understanding of their customers.Our mission is to embed consumer insights into every product and marketing decision, creating a real-time, always-on system. We are currently starting with AI-moderated interviews, but our long-term vision is to develop a comprehensive system for consumer understanding powered by dynamic workflows.Backed by Hexa (eFounders), we are building on the success of companies like Aircall, Front, Spendesk, Yousign, and many more.Our founding team brings deep expertise in strategy, technology, and entrepreneurship:Lydia - CEO: HEC graduate with 7 years at BCG (Principal), expert in strategy and consumer goods.Camille - CTO: Dual degree from X/HEC, former lead at CO2 AI, specialized in AI and scalable product development.

Join us at Verso, a pioneering startup supported by Hexa, as a Founding Fullstack Engineer. In this role, you will play a crucial part in the development of our innovative platform. You will have the opportunity to work on both the front-end and back-end of our applications, contributing to the overall architecture and enhancing user experience.We are looking for passionate engineers who thrive in a startup environment, are eager to take on new challenges, and are ready to shape the future of our company.

Join Theodo: Pioneers in Digital SolutionsSince 2009, Theodo has been at the forefront of innovation, helping businesses design, develop, and deploy ingenious digital products by leveraging the best technology and Lean methodologies.With exceptional growth over the past 15 years, Theodo now boasts a talented team of over 700 professionals, primarily composed of passionate Software Engineers dedicated to continuous improvement. Our growth has led to specialized entities within the group focusing on various technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Heathtech, Consumer Products). By 2025, Theodo aims to generate 100M€ in revenue.At Theodo FinTech, our mission is to enhance the usefulness of finance for individuals, businesses, and society. We partner with major corporations, ScaleUps, and StartUps within the financial services sector to design, develop, and maintain accessible, sustainable, and socially beneficial digital products.As experts in financial services technology, Theodo FinTech delivers exceptional digital products at lightning speed with zero bugs and high security. Our team excels at integrating APIs from all B2B fintech platforms to create innovative embedded finance solutions.Your Responsibilities:As a Senior Full-Stack Software Engineer at Theodo FinTech, your role will involve:- Rapidly coding without bugs, utilizing coding assistants (Copilot, Cursor, Windsurf).- Designing features by contributing product ideas and identifying optimal technical strategies, while adhering to our delivery practices.

Discover Theodo's Journey and SuccessSince 2009, Theodo has been empowering innovative companies in crafting, developing, and launching ingenious digital products, leveraging cutting-edge technology and a Lean approach.Our distinctive methodology is built upon three core principles:- We have honed acknowledged expertise in key technologies for product design and development;- At every stage of the project, our priority is to create value for our clients;- We recruit the finest digital talents and nurture their ingenuity through a Lean approach.Theodo has experienced remarkable growth over the past 15 years, gathering over 700 passionate Theodoers, primarily Software Engineers dedicated to technology and continuous improvement. As we expand, our group has organized into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and by industry (Fintech, Govtech, Healthtech, Consumer Products). By 2025, Theodo aims to achieve a revenue of €100M.Your Future Team:You will join a community of over 120 Theodo tech professionals: software engineers, tech leads, engineering managers, and architects, where you can exchange, learn, and grow daily.At Theodo, tech teams work on project-based teams, tailored to meet each client's needs. You will be part of a small team of Theodoers (4 to 5 members), including Software Engineers, a Tech Lead, and a Product Manager. Together, you will collaborate closely with the client, with regular updates to share progress, deepen understanding of their challenges, and evolve the product to align with user needs.Your Future Responsibilities:As a Fullstack Software Engineer at Theodo, your mission will be to design and develop valuable, high-performance, and sustainable digital products to address the challenges faced by our clients and their users.

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.

Join Theodo: A Leader in Digital SolutionsSince 2009, Theodo has been partnering with innovative businesses to design, develop, and deploy cutting-edge digital products, leveraging the best of technology and Lean methodology.With remarkable growth over the past 15 years, Theodo has assembled a vibrant team of over 700 passionate Software Engineers dedicated to continuous improvement. Our organization has evolved into specialized units focused on technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Goods). By 2025, Theodo aims to achieve a revenue of €100M.Theodo Apps, with over 130 successful projects, specializes in the development of multi-platform applications (mobile, web, and TV). We assist our clients in the design, development, and deployment of applications that enhance user experiences.In just 10 years, Theodo Apps has grown from 2 to 120 employees, generating €24 million in revenue by 2024!We collaborate with a diverse range of clients, including entrepreneurs, innovative SMEs, and large corporations like TF1+, Carrefour, Urgo, and Compagnies des Alpes.Your Team:You will become part of a tech community of over 50 Theodoers, including software engineers, tech leads, engineering managers, and architects, providing opportunities for daily learning and growth.At Theodo, our tech teams are organized based on client needs. You will work in a small team (4 to 5 members) alongside Software Engineers, a Tech Lead, and a Product Manager. Together, you will closely collaborate with the client, regularly sharing progress, deepening problem understanding, and evolving the product to meet user needs effectively.Your Future Responsibilities:As a Fullstack Software Engineer at Theodo Apps, you will...

Join Theodo HealthTech as a Senior Software Engineer!At Theodo, we have been empowering innovative companies since 2009 to design, develop, and deploy ingenious digital products, leveraging the best of technology and a Lean approach.Our unique approach is grounded in three core principles:- We have developed recognized expertise in key product design and development technologies;- Our priority in every project stage is to create value for our clients;- We recruit top digital talents and cultivate their ingenuity through Lean methodologies.Theodo has experienced exceptional growth over the past 15 years, with a team of over 700 passionate Software Engineers dedicated to technology and continuous improvement. As we grow, we have structured into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and by industry (Fintech, Govtech, HealthTech, Consumer Products Goods). By 2025, Theodo aims to generate €100M in revenue.At Theodo HealthTech, our specialized health entity, we assist all healthcare actors in developing tailored digital medical devices.With our experience in Lean and tech, combined with our healthcare knowledge, we design and develop digital medical devices that integrate into patient care pathways (digital therapies - DTx, virtual clinical trials, digitized care paths). Our goal is to create products that transform the lives of users, whether they are caregivers or patients.Your Responsibilities:As a Senior Software Engineer, your role will involve designing and developing web/mobile applications that are certified as medical devices.

Join Outsight, a leader in spatial intelligence, where our innovative software solutions leverage 3D LiDAR data to monitor and enhance the movement of people and vehicles. Our technology empowers operators at transportation hubs—including airports, train stations, sports venues, and industrial sites—to access precise, anonymous spatial data, aimed at improving operational efficiency, safety, and user experience. Our diverse team of scientists and engineers collaborates across international locations, including Paris, San Francisco, Sophia-Antipolis, and Hong Kong, with a commercial office in Spain to support our global initiatives. Discover more about our mission and solutions at Insights about Outsight. Our Passenger Flow Traffic Monitoring solution is utilized by premier airports and train stations globally, known for their operational excellence and exceptional passenger experiences. We also serve various sectors, including tourism, retail, and sports. Additionally, our Car Traffic Remote Monitoring solution is trusted by top-tier clients, including BMW. Position Overview We are seeking a Senior FullStack Engineer to join our Platform Engineering team. Reporting to the Director of Engineering, you will play a pivotal role in developing our Shift cloud platform product, employing a multi-tenant, multi-region strategy. Your expertise will be vital in building foundational services that govern tenant lifecycle, identity, security, and overall management console web application.

Are you a passionate Fullstack Engineer looking to make an impact? Join Doctrine as a Senior Fullstack Engineer in our dynamic Squad Scribe, where you will lead innovative projects and collaborate with a talented team. You will work on designing, developing, and implementing user-friendly applications that enhance our client's experience.

Join our innovative team at jobsforhumanity as a Mid/Senior Fullstack Engineer. In this role, you will be responsible for developing and maintaining robust web applications that deliver exceptional user experiences. Your expertise in both front-end and back-end technologies will play a crucial role in the success of our projects.

Discover Theodo’s Journey and SuccessSince 2009, Theodo has been empowering innovative companies by designing, developing, and deploying ingenious digital products, leveraging cutting-edge technology and Lean methodologies.With remarkable growth over the past 15 years, Theodo has expanded its team to over 700 passionate Theodoers, primarily Software Engineers dedicated to technology and continuous improvement. As we grow, we have structured into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Heathtech, Consumer Products Goods). By 2025, Theodo aims to generate €100M in revenue.At Theodo FinTech, our mission is to make finance more beneficial for individuals, businesses, and society. As the FinTech expert within Theodo, we partner with clients — large enterprises, ScaleUps, and StartUps in the financial services sector — to design, develop, and maintain accessible, sustainable, and valuable digital products for society.As technology experts in financial services, Theodo FinTech delivers exceptional digital products in record time, ensuring zero bugs and high security. We excel at integrating APIs from all B2B FinTech platforms to create embedded finance solutions.Your Team:At Theodo, our tech teams operate in project groups tailored to each client’s needs. You will be part of a close-knit team of Theodoers (4 to 5 members), including Software Engineers, a Tech Lead, and a Product Manager. Together, you will work closely with the client, engaging in regular discussions to share progress, deepen understanding of their challenges, and evolve the product to meet user needs effectively.Your Future Responsibilities:As a Fullstack Software Engineer, you will be responsible for developing innovative solutions, collaborating with clients to refine specifications, and ensuring the delivery of high-quality software.

Discover Theodo's Journey and SuccessSince 2009, Theodo has been empowering innovative companies by designing, developing, and deploying ingenious digital products, leveraging cutting-edge technology and a Lean approach.Our unique methodology is built on three principles:- We have established recognized expertise in key product design and development technologies;- Regardless of the project phase, our priority in every decision is creating value for our clients;- We attract top digital talent and nurture their ingenuity through a Lean approach.Theodo has experienced exceptional growth over the last 15 years, with a team of over 700 dedicated professionals, primarily Software Engineers, passionate about technology and continuous improvement. As we grow, we have structured into specialized entities focused on technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Products). By 2025, Theodo aims to generate €100M in revenue.Your Team:You will join a community of over 120 Theodoers: software engineers, tech leads, engineering managers, and architects, with whom you will exchange ideas, learn, and grow on a daily basis.At Theodo, our tech teams work in project-based groups tailored to the specific needs of each client. You will be part of a small team (4 to 5 members) comprising Software Engineers, a Tech Lead, and a Product Manager. Together, you will collaborate closely with clients, regularly sharing progress, deepening understanding of their challenges, and evolving the product to meet user needs.Your Future Responsibilities:As a Fullstack Software Engineer at Theodo, your mission will be to design and develop useful, high-performance, and sustainable digital products to address the challenges faced by our clients and their users.

Discover Theodo and Our Success StorySince 2009, Theodo has been a pioneering force in helping innovative companies design, develop, and launch ingenious digital products, leveraging cutting-edge technology and a Lean approach.Our unique approach is built on three key principles:- We have cultivated recognized expertise in essential product design and development technologies;- At every stage of a project, our priority is to create value for our clients;- We recruit the best digital talent and nurture their ingenuity through Lean methodologies.Theodo has experienced exceptional growth over the last 15 years: our teams consist of over 700 Theodoers, primarily Software Engineers passionate about technology and continuous improvement. With our growth, we have organized into specialized entities focusing on technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Products Goods). By 2025, Theodo is expected to generate €100M in revenue.Your Team:You will join a vibrant tech community of over 120 Theodoers: software engineers, tech leads, engineering managers, and architects, with whom you can exchange ideas, learn, and progress on a daily basis.At Theodo, our tech teams work in project groups tailored to meet each client's needs. You will be part of a small team of Theodoers (4 to 5 members), including Software Engineers, a Tech Lead, and a Product Manager. Together, you will collaborate closely with the client, engaging in regular discussions to share progress, deepen your understanding of their challenges, and adapt the product to meet user needs.Your Future Responsibilities:As a Fullstack Software Engineer at Theodo, your mission will be to design and develop valuable, high-performing, and sustainable digital products that address the challenges faced by our clients and their users.

Theodo: A Journey of Innovation and SuccessSince 2009, Theodo has been at the forefront of assisting innovative companies in the design, development, and deployment of ingenious digital products, leveraging cutting-edge technology and a Lean approach.Our unique approach is built on three core principles:- We have developed recognized expertise in key technologies for product design and development;- At every stage of the project, our primary focus is creating value for our clients;- We recruit top digital talent and nurture their ingenuity through our Lean approach.Theodo has experienced exceptional growth over the past 15 years: our teams comprise more than 700 Theodoers, primarily Software Engineers, who are passionate about technology and continuous improvement. As we have expanded, the group has structured itself into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) and by industry (Fintech, Govtech, Healthtech, Consumer Products Goods). By 2025, Theodo aims to generate €100M in revenue.Your Team:You will join a tech community of over 120 Theodoers, including software engineers, tech leads, engineering managers, and architects, with whom you can exchange knowledge and grow daily.At Theodo, our tech teams work on project teams tailored to each client's needs. You will be part of a small team of Theodoers (4 to 5 people), consisting of Software Engineers, a Tech Lead, and a Product Manager. Together, you will collaborate closely with the client, regularly sharing progress, deepening your understanding of their challenges, and evolving the product to best meet the needs of its users.Your Future Responsibilities:As a Fullstack Software Engineer at Theodo, your mission will be to design and develop useful, high-performing, and sustainable digital products to address the challenges faced by our clients and their users.