Senior Software Engineer for Institutional Services

Blockchain.com has grown into one of the largest cryptocurrency platforms, supporting over 90 million wallet holders and more than 40 million verified users since 2011. The company has handled over $1 trillion in cryptocurrency transactions, providing secure access to digital assets for millions worldwide. Role overview The Institutional team in Paris is seeking a Senior Software Engineer to help develop products and services tailored for institutional clients. Collaboration, clear results, and ongoing improvement shape the team’s approach to their work. What you will do Work with engineers and stakeholders to deliver software solutions for institutional clients Contribute to a high-performance team focused on innovation and efficiency Help refine processes and drive measurable outcomes Support a culture that values learning and team growth Requirements Professional experience as a software engineer, ideally in a similar setting Strong teamwork and communication abilities Openness to learning and adapting in a rapidly changing field Dedication to delivering dependable, high-quality software Location This role is based in Paris.

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.

Paris | CDI | Français & Anglais courants requisLe e-commerce connaît une croissance fulgurante — cependant, les marques indépendantes peinent encore à offrir une logistique aussi efficace que celle d’Amazon. Chez Bigblue, nous avons pour objectif de transformer cette réalité.Notre mission est d'aider les marques à croître plus rapidement tout en leur offrant une expérience client exceptionnelle, grâce à des opérations logistiques de premier ordre.Depuis 2018, nous développons une plateforme technologique qui propulse déjà plus de 500 marques, allant de jeunes entreprises DTC à des noms renommés tels que MUJI, Aigle et Cabaïa.Avec plus de 110 collaborateurs à Paris, Madrid et Londres, notre propre WMS Atlas, ainsi qu’un réseau de 7 entrepôts à travers l’Europe, nous relevons les défis logistiques que d'autres n'osent même pas envisager. Le résultat : une logistique plus rapide, plus intelligente et plus écologique.Énergisés par plus de 20 millions de dollars de financement et choisis par les futurs leaders du e-commerce, nous passons à la vitesse supérieure : 10 millions de commandes à traiter en 2024… et ce n’est que le début.Nous sommes en quête de talents pour écrire la prochaine page de cette aventure ambitieuse avec nous.

About UsMaki is revolutionizing the recruitment landscape with cutting-edge autonomous AI hiring agents. Our technology seamlessly manages the entire hiring process—from sourcing and screening to interviewing and selection—allowing HR teams to focus on what truly matters: finding exceptional talent.Leading brands such as H&M, BNP Paribas, and FIFA trust Maki to streamline their hiring processes, automating up to 90% of screening and interviewing, thereby tripling the speed of hiring and reducing employee turnover by 20 to 30%.At Maki, we are not just another HR tool; we are pioneering the next wave of AI-driven talent acquisition.Your Role at MakiAs a Software Engineer Intern, you will collaborate with our engineering team to design and enhance the AI systems that power Maki. Your role will involve contributing meaningful features to our product, learning rapidly, and shaping the application of modern AI in large-scale recruitment.

About LedgerAt Ledger, we are a dynamic team of innovators dedicated to pushing the boundaries of digital ownership and accessibility. Our mission is to empower individuals and organizations to manage their value with confidence and freedom, fostering a world where creators, users, and enterprises thrive. Our commitment to curiosity and innovation drives us to continuously evolve and enhance our offerings. Joining Ledger means becoming part of a forward-thinking culture where problem-solving is celebrated and every team member is encouraged to challenge the status quo. We are on a mission to democratize self-custody and equip people with the tools they need to secure their financial futures. If you are passionate about making a meaningful impact, we invite you to be part of our journey at Ledger.As a leading platform for digital assets and Web3, Ledger secures over 20% of the world’s crypto assets through our cutting-edge devices. Our headquarters in Paris, along with offices in multiple cities including London, Singapore, and Geneva, houses a team of approximately 600 talented professionals dedicated to developing innovative products and services. Our flagship Ledger hardware wallets have sold over 7.5 million units in 200 countries, enabling users to securely buy, store, swap, grow, and manage their crypto assets.The Team:As part of our ongoing growth, we are seeking a skilled Senior Software Architect to join our Engineering Architecture team. This group is pivotal in ensuring the highest design quality for our B2C and B2B offerings while collaborating closely with Product teams to conceptualize and develop groundbreaking features for our products.The architecture team is focused on cultivating deep expertise in Ledger's transactional services, and we are eager to bring on a knowledgeable professional to lead the design, integration, and enhancement of our core services, particularly with respect to new Blockchain protocols and Decentralized Finance (DeFi) applications.This role is hands-on, requiring our architects to engage deeply with the code and assist engineering teams in overcoming daily challenges.The team’s missions include:Collaborating with Product & Engineering on the exploration and design of new product features.Leading technical initiatives in partnership with Engineering to enhance our stack, mitigate technical debt, and uphold best engineering practices.Providing expertise and hands-on support to engineering teams on critical topics.

Talan is seeking a Blockchain Architect to join the team in Paris. This position centers on crafting and implementing blockchain solutions that meet specific client needs. The architect will help shape projects that apply blockchain technology to solve concrete business problems. Role overview Design blockchain architectures that support client goals Take blockchain solutions from initial concept through to deployment Work closely with teams to deliver projects that use blockchain to drive change across industries Location This role is based in Paris.

At Swile, we are committed to enhancing professional experiences through innovative product solutions that alleviate daily challenges and elevate employee satisfaction. Our cutting-edge offerings in Fintech, Travel, HR, and Employee Benefits serve over 5.5 million users across 85,000 companies in France and Brazil, making a significant impact on the workplace.As a Senior Software Engineer, you will play a pivotal role in problem-solving, blending creativity with technical expertise. Your focus will be on delivering high-quality solutions swiftly and effectively, addressing both business and engineering challenges with innovative strategies rather than being restricted to specific technologies.

About H H focuses on advancing superintelligence through agentic AI. The company’s mission centers on automating complex, multi-step tasks that people usually handle, aiming for AI agents to help realize the full range of human potential. H seeks talented AI professionals who care deeply about responsible and safe development, as well as technical progress in agentic systems. The culture values openness, ongoing learning, and teamwork. Every team member’s input matters here. Product Engineering at H The Product Engineering team develops H’s Enterprise Platform, which provides customers with tools and services for essential operational needs. This platform supports large-scale computer-use agents, manages complex workflows, and offers a suite for observability, troubleshooting, and evaluation. Product Engineering connects AI research with practical applications and works closely with teams across the company.

Join vocca as a Software Engineer, where you will contribute to innovative solutions that enhance user experiences. We are looking for creative problem solvers who thrive in a dynamic environment. You will work on exciting projects, collaborate with a passionate team, and have the opportunity to grow your skills.

Join the dynamic Nexthink Engineering department, where you will be an integral part of a team dedicated to developing the Collectors—advanced endpoint agents utilized by millions of employees. These Collectors play a pivotal role in extracting and interpreting vital information from operating systems, sending it to our powerful data analytics systems, and enhancing user experience by identifying and resolving issues.As a Senior Software Engineer, you will face a series of exciting challenges: • Challenge #1: Develop comprehensive and reliable solutions. • Challenge #2: Create solutions for multiple platforms, leveraging the best features from each. • Challenge #3: Ensure cross-platform compatibility wherever possible.Our engineers thrive on tackling broad, unconventional problems, refining them into actionable solutions. They continuously innovate, prototype new ideas, and measure their impact while upholding our unwavering standards of quality, performance, and security.

We are seeking a talented and experienced Senior Software Engineer to join our dynamic team at believe. In this role, you will be responsible for designing, developing, and maintaining high-quality software solutions that meet the needs of our users. You will collaborate closely with cross-functional teams to understand requirements and implement innovative solutions that drive our mission forward.The ideal candidate is passionate about technology, has a strong foundation in software engineering principles, and is eager to tackle complex challenges. If you thrive in a fast-paced environment and are looking to make a significant impact, we want to hear from you!

Scaleway has provided secure and sustainable infrastructure since 1999. The company began with dedicated servers under the Dedibox brand, then expanded into cloud computing in 2015. Today, Scaleway is recognized as a European cloud provider. With support from the Iliad Group and €3 billion invested in building a sovereign AI alternative, Scaleway is positioned to address growing needs in artificial intelligence. The company’s work is shaped by three core values: simplicity, flexibility, and technical expertise. Scaleway serves a broad range of clients, including large enterprises like France Télévisions and Hachette Livre, startups such as Photoroom and Biolevate, and public organizations including the City of Copenhagen. Location This Software Engineer position is based in Paris. Scaleway also maintains offices in Lille, Toulouse, Rennes, Rouen, Bordeaux, and Lyon.

Role Overview Theodo is hiring a Lead Software Engineer to join its Paris office. This role involves leading a team of developers on impactful projects, shaping software solutions with modern technologies, and setting a high standard for quality. What You Will Do Guide a team of engineers through all stages of software development Work closely with team members to deliver reliable, well-crafted solutions Apply current technologies and development practices to real-world challenges Mentor and support developers in their growth Encourage open communication and foster a collaborative team spirit Who We’re Looking For Strong technical background in software engineering Experience leading or mentoring development teams Clear communicator who can motivate and inspire others Comfort working in Paris or relocating to the city

genbio brings together scientists, engineers, and entrepreneurs to push the boundaries of generative AI and biology. With roots in Silicon Valley and teams in Paris and Abu Dhabi, the company focuses on developing Large Biological Models (LBM) to open new directions in biomedicine. Role overview The Research Engineer Intern position in Paris centers on projects that blend artificial intelligence with biological research. This internship places interns within a team committed to advancing both AI and biology for healthcare innovation. What you will do Contribute to ongoing research projects at the intersection of AI and biology Collaborate with experienced scientists and engineers Support the development of new approaches in biomedicine using Large Biological Models Location This internship is based in Paris.

Speechify is looking for a Software Engineer, Platform based in Paris, France. This position centers on developing and enhancing features for the company’s text-to-speech platform. Role overview The main goal is to design and build new capabilities that make Speechify’s platform stronger and more reliable. Work will directly support a better experience for users worldwide. What you will do Create and implement new features for the text-to-speech platform Contribute to projects that improve user experience for a global audience Location This role is based in Paris, France.

Join our dynamic team at vusiongroupsa as a Senior Software Engineer, where you'll have the opportunity to contribute to innovative projects that shape the future of technology. We are looking for a skilled professional who can bring their expertise in software development, work collaboratively with our R&D department, and drive excellence in our engineering practices.

sia is looking for a Junior Software Engineer to join the team in Paris. This role plays a part in building and maintaining the software behind sia’s platforms. Projects here influence how the company’s technology evolves over time. What you will do Assist in designing and developing new software features Support maintenance and ongoing improvements to existing systems Collaborate with team members to address technical challenges What we’re looking for Interest in software engineering and a willingness to learn new skills Drive to share ideas and contribute to team projects This position is based on-site in Paris.

Join Aircall, a trailblazing AI-driven customer communications platform that empowers over 22,000 companies globally to enhance revenue, expedite issue resolution, and scale their customer-facing teams. We are revolutionizing customer engagement by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our success is rooted in a straightforward philosophy: assist teams in working smarter, not harder. With innovations like Aircall’s AI Voice Agent for automating routine calls, AI Assist for streamlining post-call tasks, and AI Assist Pro for real-time support, we enable teams to deliver their best performance. This leads to increased revenue, quicker resolutions, and a confident scaling of operations.Headquartered in Paris, our European hub, Aircall also boasts a significant North American presence in Seattle, alongside teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. With a product that customers adore and rapid growth backed by esteemed investors, we are at the forefront of AI innovation across diverse product lines.At Aircall, you'll become part of a dynamic organization. We are ambitious, product-focused, and driven by execution, leading to visible impacts, swift decision-making, and genuine career growth.Our Work Culture: We are customer-centric, data-informed, and committed to achieving significant outcomes. We value ownership, continuous learning, and thoughtful agility. If you thrive in a collaborative, fast-paced environment where trust and impact are prioritized, you will feel at home here.As a Software Engineer, you will play a vital role in designing, developing, deploying, and managing business-critical features that enhance customer value. Your daily responsibilities will include ensuring operational excellence, monitoring metrics, fostering observability, and adhering to industry best practices.Driven by quality, excellence, and agility, you will contribute to the continuous improvement of our delivery processes. Utilizing NodeJS and Typescript for our back-end stack, tailored to meet specific needs, and always hosted on AWS, we develop resilient services that integrate seamlessly with our customers’ essential tools (CRM, Helpdesk, E-Commerce, etc.).

About the Data Engineer Internship Wakam is looking for a Data Engineer Intern to join the team in Paris. This internship offers the chance to work closely with experienced engineers and contribute to building and improving data solutions that support business goals. What You Will Do Collaborate with team members to design and develop data pipelines and systems Help implement data solutions that support data-driven projects Work with modern data engineering tools and methods Gain practical experience in a real-world business setting Location Paris

About Thunes Thunes is revolutionizing money movement globally with its Smart Superhighway. Our proprietary Direct Global Network enables Members to execute real-time payments across over 130 countries and more than 80 currencies. This network connects directly to over 7 billion mobile wallets and bank accounts worldwide, utilizing more than 350 diverse payment methods including GCash, M-Pesa, Airtel, MTN, Orange, JazzCash, Easypaisa, AliPay, WeChat Pay, and many others. Our esteemed Members range from gig economy leaders like Uber and Deliveroo to super-apps like Grab and WeChat, as well as various MTOs, fintechs, PSPs, and banks. Thunes stands out with its extensive global reach, an in-house Smart Treasury Management Platform, and a robust Fortress Compliance Infrastructure, providing unmatched speed, control, visibility, protection, and cost efficiency in real-time payments. Headquartered in Singapore, we operate in 12 locations including Barcelona, Beijing, Dubai, London, Manila, Nairobi, Paris, Riyadh, San Francisco, Sao Paulo, and Shanghai. For further information, visit: https://www.thunes.com/