Senior Core Systems Engineer: Secure Wallet Infra

A leading technology firm is seeking a Senior Core Systems Engineer to design and scale critical systems for blockchain wallet infrastructure. The role is remote-first, open to candidates in the US and EU, with a competitive salary of $180K - $260K per year. Ideal candidates have extensive experience in Rust and security systems, focusing on building...

Senior Core Systems Engineer - Secure Wallet Infrastructure Location: Remote - Location: US or EU (remote-first, office optional). Must be in the US, not Canada or in the European Union. France or Paris or as close as possible, always preferred. Compensation: $180K - $260K Join a stellar team of leaders and experts in blockchain technology, cryptography,...

A leading blockchain company is seeking a Principal Software Engineer to lead the development of their backend systems. This remote-first role offers a compensation range of €120,000 - €200,000 per year plus equity. Ideal candidates will have over 10 years of experience in backend software engineering, particularly in fintech or blockchain, and mastery...

Une entreprise spécialisée en infrastructure blockchain recherche un Senior Frontend Engineer basé à Paris. Dans ce rôle, vous serez responsable de la création d'applications web et mobiles attrayantes et intuitives pour la plateforme de Wallet-as-a-Service. Avec 8 ans d'expérience en ingénierie frontend et une expertise en fintech, vous contribuerez...

A leading technology firm is seeking a Principal Software Engineer to lead the design and development of blockchain wallet infrastructure. The role encompasses full project ownership, from requirements to deployment, while collaborating with teams to align technical goals. Candidates should have 10+ years in backend software engineering, mastery of...

AboutDfns is the leading Wallets-as-a-Service (WaaS) platform, helping fintechs, institutions, and enterprises simplify digital asset management and securely onboard users onchain.Its API-first wallet platform unifies transaction management, workflow governance, key deployment, and third-party integrations into one secure operating system for blockchains....

A European tech startup is looking for a Senior DevOps engineer to maintain core infrastructure systems and support cloud solutions. You will work in a fully remote environment, utilizing your expertise in Linux administration, automation, and network design. Ideal candidates have hands-on experience managing cloud-native infrastructures and will thrive in a...

A global tech company based in France is seeking a Senior Backend Software Engineer for their Core Squad. The role involves designing and optimizing back-end services, with a strong emphasis on Kotlin and Java. Candidates should have over 10 years of experience in software development, particularly in distributed systems. The company offers a collaborative...

We are looking for a Senior Product Manager to join our Core Banking squad and help create the best BNPL payment solution in Europe. About Alma At Alma, we’re reinventing finance to serve those who matter the most: merchants and consumers. Our instalment and deferred payment solutions help merchants boost sales by up to 20%, increase customer loyalty, and...

Who we are CryptoNext Security is a deeptech startup specializing in post-quantum cryptography. We help businesses and institutions get ready for a world where quantum computers will break today’s cryptography.Our customers include major banks, defense actors, telecom operators, and large enterprises securing their most sensitive infrastructures. On a...