Senior Staff Software Architect, Ledger

Ledger

Location:
France, Paris

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

As part of our growth, we are looking for talent to join the Engineering Architecture team. The architecture team is responsible for ensuring the highest level of design quality for both our B2C and B2B products, as well as helping the Product teams scope and build the next great features of our products. The team aims at building full stack expertise on Ledger products, and in this context we are looking at reinforcing our team with a future expert on our Ledger Enterprise and the Vault SaaS.

Job Responsibility:

help teams define project scopes, goals, project plans, and deliverables
support Product & Engineering on the Discovery & Design of new product feature
drive Tech Initiatives with Engineering to improve our stack, address tech debt, and support good engineering practices
support engineering teams on critical topics by providing expertise and hands-on contributions to engineering squads
explore new, innovative domains with a focus on concrete Ledger applications

Requirements:

8+ years of experience in technical design, development, CI/CD, testing, and delivery
curious to learn how blockchain works under the hood and investigate deeply complex systems
strong background in backend & algorithm development
proficient in at least one of these development languages: Python, JavaScript/TypeScript, Scala, Rust
deep experience with microservices
team player with excellent interpersonal skills, able to align cross-functional teams
excellent presentation and written communication in English

Nice to have:

experience designing and implementing data pipelines, including stream processing and Datalake good practices
experience designing and implementing asynchronous backend stacks
experience in Big Data techniques, including scaling backend systems and designing for high reliability
open source experience or contributions
comfortable with multiple “app” development stacks: React native, Android, iOS
knowledgeable on HSMs
knowledgeable in cryptography and security practices

What we offer:

flexible work options - our hybrid policy allows employees to work from home up to 3 times per week
health and wellness support - health and life insurance
financial growth opportunities - employees can become shareholders in Ledger as well as other financial benefits depending on your country of work
commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation
learning & development - a comprehensive suite of training solutions providing a personalised learning experience for every employee

Additional Information:

Job Posted:
August 27, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Staff Software Architect