Ledger

Ledger builds crypto-security solutions around Blockchain Oriented Ledger OS (BOLOS). Products include Ledger Nano S (cold storage hardware wallet), Ledger Vault (enterprise-grade wallet), and IoT blockchain security partnerships. Hiring for three onsite roles in Paris: Senior Software Engineer (Scala, Cassandra/ScyllaDB experience), Software Engineer (Scala and/or Python), and Embedded Application Engineer (IoT). Backend stack: Scala (Finatra, CatsIO, fs2.Stream), Python 3 (Flask), ScyllaDB. Infrastructure: AWS, Ansible. Competitive salary and benefits, stock options, central Paris location (75002). English is sufficient; French classes offered. Apply by emailing resume to the contact provided or via job links.