← All crypto jobsSenior Software Architect, Blockchain & DeFi
Paris, Francevia BlockJobsPosted 7/26/2026
engineeringfull-time
About the role
As a Senior Software Architect specializing in Blockchain and DeFi at Ledger, you will be at the forefront of developing cutting-edge solutions that enhance the security and usability of digital assets. Your expertise will help shape the architecture of innovative DeFi applications, ensuring they meet the highest standards of performance and scalability while aligning with Ledger's mission to provide secure and user-friendly crypto solutions.
What you'll do
• Design and implement robust architecture for decentralized finance applications that prioritize security and efficiency.
• Collaborate with cross-functional teams to define technical requirements and best practices for blockchain integration.
• Conduct code reviews and provide mentorship to junior engineers, fostering a culture of continuous improvement and learning.
• Analyze and optimize existing systems, identifying areas for enhancement and implementing effective solutions.
• Stay updated on industry trends and emerging technologies, ensuring Ledger remains a leader in the blockchain space.
What we're looking for
• Proven experience in software architecture, particularly in blockchain technology and DeFi applications.
• Strong programming skills in languages such as Solidity, Go, or Rust, with a deep understanding of smart contracts.
• Familiarity with various blockchain platforms and protocols, including Ethereum, Polkadot, and Layer 2 solutions.
• Excellent problem-solving skills and the ability to think critically about complex technical challenges.
• Strong communication skills, enabling effective collaboration with diverse teams and stakeholders.
This is a BlockJobs summary of the role. See the original listing to apply.
Skills & technologies
Ledger is hiring for Senior Software Architect, Blockchain & DeFi with a focus on engineering, full-time. Highlight these on your profile to rank higher for this role.
How to apply
You can apply to this Senior Software Architect, Blockchain & DeFi role at Ledger directly from BlockJobs. Sign in with LinkedIn and we’ll match you against every open crypto & web3 role — then auto-apply to all your matches in one click for a flat $10. You can also apply on the original listing.
Frequently asked questions
Is the Senior Software Architect, Blockchain & DeFi role at Ledger remote?
This Senior Software Architect, Blockchain & DeFi role is based in Paris, France.
What skills does the Senior Software Architect, Blockchain & DeFi role need?
Key skills for this role include engineering, full-time.
How do I apply for Senior Software Architect, Blockchain & DeFi at Ledger?
Open the role on BlockJobs and apply directly, or apply via the original listing. Sign in with LinkedIn to auto-apply to every matching crypto role in one click.
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