Ledger is a French company founded in 2014, specializing in cryptocurrency security solutions. It develops hardware wallets like the Ledger Nano series, designed to protect digital assets using secure chip technology. Additionally, Ledger offers enterprise solutions and the Ledger Live app, enabling users to securely manage and transact cryptocurrencies through their mobile devices. The Ledger wallet app provides a safe and user-friendly platform for managing assets, while Ledger Live app integrates with hardware wallets to offer a seamless and secure experience for cryptocurrency transactions.

<h3>Job Title: Firmware Applications Engineer (f/m)</h3>Company: Ledger Location: Paris, France<h3> </h3><h3>About Ledger</h3>Founded in 2014, Ledger is a leading platform for digital assets and Web3, securing over 15% of the world’s crypto assets. With 5 million units sold in 180 countries, Ledger's hardware wallets are widely trusted for the secure management of cryptocurrencies. Ledger is headquartered in Paris and Vierzon, with offices in the UK, US, Switzerland, and Singapore.Ledger’s team of 600+ professionals is committed to making the world of digital assets accessible and secure for everyone. The company embodies core values such as Pragmatism, Audacity, Commitment, Trust, and Transparency.<h3> </h3><h3>Role Overview</h3>To support Ledger’s growth, the company is looking for a Firmware Applications Engineer to join the embedded firmware team. In this role, you will work on the development and maintenance of secure applications running on Ledger's hardware wallet operating system. You will help improve the application development framework, ensure the quality of applications, and release new applications to Ledger Live.<h3> </h3><h3>Your Mission</h3><ul><li>Application Development: Implement and maintain secure applications on Ledger’s operating system for hardware wallets.</li><li>Framework Improvement: Develop and enhance the application development framework.</li><li>Quality Assurance: Ensure the quality of applications through testing, CI (Continuous Integration), guidelines, and documentation.</li><li>Application Deployment: Release and deploy new applications to be available on Ledger Live.</li><li>Support: Assist third-party developers with their integration efforts and troubleshoot issues.</li><li>Cross-Functional Collaboration:</li><li class="ql-indent-1">Work with the OS team for SDK evolutions.</li><li class="ql-indent-1">Collaborate with the Security team for vulnerability analysis and corrections.</li><li class="ql-indent-1">Partner with the Product team for prioritizing features.</li><li class="ql-indent-1">Work with the Customer Success team for addressing end-user issues.</li></ul><h3> </h3><h3>What We’re Looking For</h3><ul><li>Educational Background: Degree in Computer Science or Engineering.</li><li>Technical Skills:</li><li class="ql-indent-1">Strong experience in Embedded C software development.</li><li class="ql-indent-1">Good knowledge of Python software development.</li><li class="ql-indent-1">General knowledge of Cryptography.</li><li>Communication Skills: Strong ability to communicate effectively across teams.</li><li>Bonus Points:</li><li class="ql-indent-1">Interest or knowledge in Blockchain technologies.</li><li class="ql-indent-1">Experience in Rust software development.</li></ul><h3> </h3><h3>What’s in it for You?</h3><ul><li>Equity: Stock options so you can share in Ledger’s success as the company grows.</li><li>Flexibility: Hybrid work policy to balance remote and in-office work.</li><li>Social: Participate in Ledgerdary Days (annual company outing) and frequent social events.</li><li>Medical: Comprehensive health insurance covering medical, dental, and vision care.</li><li>Well-being: Access to personal development, coaching, and fitness programs.</li><li>Vacation: Five weeks of paid leave per year, plus national holidays and additional RTT days.</li><li>Tech: Access to high-performance office equipment, including Apple products.</li><li>Transport: Reimbursement for part of your transportation costs.</li><li>Product Discounts: Employee discounts on all Ledger products.</li></ul><h3> </h3><h3>Equal Opportunity Employer</h3>Ledger is an equal opportunity employer and considers all applicants without discrimination based on gender, ethnicity, religion, sexual orientation, social status, disability, age, or other protected statuses.

Firmware Applications Engineer

<h3>Job Title: Senior Security Engineer SDLC</h3>Company: Ledger Location: Paris, France <h3>About Ledger</h3>Founded in 2014, Ledger is a global platform for digital assets and Web3, securing over 20% of the world’s crypto assets. The company offers a variety of products and services to help individuals and companies securely buy, store, swap, and manage crypto assets. This includes the Ledger hardware wallets, with over 6 million units sold in more than 200 countries. Ledger is headquartered in Paris and Vierzon, with additional offices in the UK, US, Switzerland, and Singapore.At Ledger, values like Pragmatism, Audacity, Commitment, Trust, and Transparency are key. Ledger is committed to providing a secure environment for digital assets, making blockchain technology more accessible and secure for everyone. <h3>Role Overview</h3>Ledger is looking for a Senior Security Engineer SDLC to join their Security team. In this role, you will define, promote, and enforce secure software development best practices across engineering teams, ensuring compliance with internal and external security standards. Your work will help ensure that secure software practices are integrated into the software development lifecycle (SDLC) at Ledger. <h3>Your Mission</h3><ul><li>Define and Promote Secure Development Practices: Establish secure software development practices across Ledger’s engineering teams, ensuring they follow security standards and protocols.</li><li>Build Security Tooling: Create and maintain tools to automate vulnerability detection, enforce secure coding standards, and perform security analysis.</li><li>CI/CD Security Integration: Integrate security checks into the CI/CD pipeline (e.g., linters, SAST, dependency scanning), ensuring security is part of the development process.</li><li>Release Security: Manage the security process of software releases, ensuring that only reviewed, signed, and approved builds are deployed to production.</li><li>Provide Guidance: Support developers by providing guidance on secure design and implementation decisions.</li><li>Define Internal Security Guidelines: Contribute to the creation and implementation of internal security standards, guidelines, and checklists.</li><li>Collaborate Across Teams: Partner with teams like Product Security, Donjon, and Software to make security a shared responsibility across the SDLC.</li><li>Monitor Industry Trends: Stay up to date with industry trends, threats, and technologies, adapting internal practices as necessary.</li><li>Compliance and Audits: Ensure compliance with internal and external security requirements, including certifications and audits.</li></ul> <h3>What We’re Looking For</h3><ul><li>Experience: Strong experience in secure software development processes, including threat modeling, secure coding practices, and security testing.</li><li>Security Tooling: Experience implementing and managing security tools in a CI/CD environment.</li><li>Documentation: Experience in writing or maintaining security-related documentation and standards.</li><li>Modern Delivery Practices: Familiarity with modern software delivery practices, such as GitOps and infrastructure as code.</li><li>Risk Assessment and Architecture Security: Solid understanding of risk assessment and software architecture security.</li><li>Pragmatic Approach: A focus on enabling developers with security tools and processes, rather than hindering development.</li></ul> <h3>Technical Skills</h3><ul><li>Scripting &amp; Automation: Proficiency in scripting languages like Python and Bash.</li><li>Code Analysis Tools: Experience with tools like linters, SAST, and dependency scanners (e.g., Snyk, Trivy).</li><li>Vulnerability Management: Knowledge of common software vulnerabilities (e.g., OWASP Top 10) and prevention techniques.</li><li>CI/CD and GitHub: Experience with GitHub workflows, build systems, and secure release processes.</li><li>Secure Communication &amp; Cryptography: Basic knowledge of cryptography and secure communications protocols is a plus.</li><li>Additional Languages: Experience in C, Rust, Scala, or embedded environments is a plus.</li></ul> <h3>What’s in it for You?</h3><ul><li>Equity: Stock options so you can share in Ledger’s success as the company grows.</li><li>Flexibility: Hybrid work policy to balance in-office and remote work.</li><li>Social: Participate in annual company outings (Ledgerdary Days), plus regular social events.</li><li>Medical: Comprehensive health insurance, including medical, dental, and vision care.</li><li>Well-being: Access to personal development resources, coaching, and fitness programs.</li><li>Vacation: Five weeks of paid leave per year, along with national holidays and additional RTT days.</li><li>Tech: Access to high-performance office equipment, including Apple products.</li><li>Transportation: Reimbursement for part of your transportation costs.</li><li>Product Discount: Employee discount on all Ledger products.</li></ul> If you're passionate about security in the SDLC, have experience with security tooling, and want to help Ledger maintain and grow its secure digital asset platform, this role could be a great fit!

Senior Security Engineer SDLC

<h3>Senior Backend Engineer – Ledger (Paris, France)</h3>This Senior Backend Engineer role at Ledger is a high-impact opportunity to work on secure, scalable infrastructure for financial institutions processing crypto transactions.<h3>Why This Role Matters</h3>Ledger is a global leader in hardware wallets and Web3 security solutions, securing over 20% of the world’s crypto assets. The Ledger Vault is a SaaS solution designed for institutional crypto custody, incorporating multi-authorization, rate-limiting, and time-locking governance rules. <h3>Key Responsibilities</h3><ul><li>Develop &amp; scale backend applications for secure crypto transactions.</li><li>Build governance and orchestration layers &amp; complex APIs.</li><li>Work with cryptographic modules (HSMs) and blockchain interfaces.</li><li>Integrate new cryptocurrencies into Vault.</li><li>Collaborate with frontend, QA, core, firmware, infrastructure, and operations teams.</li><li>Troubleshoot critical issues alongside Technical Account Managers.</li></ul> <h3>What They’re Looking For</h3><ul><li>5+ years of backend development experience, preferably in a product-based startup.</li><li>3+ years working with TypeScript (primary language).</li><li>Node.js expertise (with exposure to Python, Rust a plus).</li><li>Experience with RESTful API design &amp; CI/CD best practices.</li><li>Agile methodology experience (Scrum, Kanban, XP).</li><li>Fluent English communication skills.</li></ul> <h3>Bonus Points</h3><ul><li>Experience with Python (Flask, FastAPI).</li><li>Interest in GraphQL, message-based systems.</li><li>Passion for crypto, blockchain, and open-source contributions.</li></ul> <h3>Why Join Ledger?</h3><ul><li>Equity options—own a stake in Ledger’s success.</li><li>Hybrid work policy for flexibility.</li><li>Health insurance (medical, dental, vision).</li><li>Personal development &amp; fitness perks.</li><li>5 weeks of vacation + RTT days.</li><li>Latest Apple gear &amp; transport reimbursement.</li><li>Ledger product discounts.</li></ul> This role is perfect for a backend engineer who is passionate about secure crypto custody solutions, scalable backend architectures, and blockchain technology. 🚀

Senior Backend Engineer (f/m)

Local Market Outreach - Thailand Company: Ledger Bangkok, Thailand Apply Now At Ledger, we're on a mission to make the world of digital assets and Web3 accessible and secure for everyone. As the global leader in cryptocurrency security, more than 25% of the world’s crypto assets are secured through our Ledger Nanos. With our headquarters in Paris and Vierzon, and additional offices in the UK, US, Switzerland, and Singapore, Ledger has become the trusted platform for individuals and businesses to securely buy, store, swap, grow, and manage their crypto assets.Since our founding in 2014, we've sold more than 7 million hardware wallets in over 200 countries, empowering users to take control of their digital assets. Our Ledger team of over 700 professionals is shaping the future of the blockchain, cryptocurrency, and NFT space.As a freelancer based in Thailand, you’ll play a pivotal role in accelerating Ledger’s success in this rapidly growing market. Your goal is simple: Impact. You’ll drive consumer acquisition, hardware sales, and service ecosystem engagement, while continuously raising Ledger's brand visibility and market intelligence in Thailand. <h3>What You'll Be Doing:</h3><ul><li>360° Local Partnerships: Engage in strategic partnerships to drive consumer acquisition, engagement, and retention, working with both crypto and non-crypto communities.</li><li>Brand Activation: Lead local activations to amplify Ledger’s presence in the Thai market and build strong, lasting relationships within the crypto ecosystem.</li><li>Ambassador Recruitment: Identify and engage with crypto influencers, ambassadors, and leaders from the Thai blockchain, DeFi, and NFT communities.</li><li>Retailer &amp; Affiliate Relations: Assist with retailers, affiliates, and influencers to expand Ledger’s reach and presence across the market.</li><li>Market Insights: Provide valuable insights to the International Development Team and enhance Ledger’s understanding of the Thai crypto landscape.</li><li>Digital Marketing: Create and implement localized digital marketing and communication strategies tailored to the Thai market, including social media and crypto PR efforts.</li><li>Consumer &amp; Market Stories: Source engaging local stories to fuel Ledger’s PR efforts and help shape communication strategies.</li><li>Collaboration: Work closely with other Ledger divisions and centrally led programs to ensure market relevance and product alignment in Thailand.</li></ul> <h3>What It Takes to Be Successful:</h3><ul><li>Results-Driven: You’re hungry for results and understand that true success is measured in impact.</li><li>Passionate About Crypto: You’re deeply involved with the crypto ecosystem in Thailand, and you love the Ledger brand and mission. You’re passionate about blockchain technology, NFTs, smart contracts, and cryptocurrency.</li><li>Trendsetter: You're capable of spotting and even creating trends in the Web3 space.</li><li>Well-Connected: You have strong relationships with media channels, influencers, and partners in the crypto and blockchain space.</li><li>Tech-Savvy: You’re a digital marketing expert with proven social and digital skills, and you're highly proficient in managing remote crypto jobs and projects.</li><li>Autonomous: You can work independently, effectively managing your responsibilities and deliverables in-market.</li><li>Global Mindset: While you understand the uniqueness of Thailand, you leverage global strategies and expert programs to create synergies across markets.</li><li>Reliable and Transparent: You’re responsible, trustworthy, and respectful of the local environment and constraints, fully aligned with Ledger's mission.</li><li>Team Player: You’re a transparent communicator and collaborate effectively with colleagues across remote crypto teams worldwide.</li><li>Fluent in English: Strong communication skills are key, as you'll work closely with Ledger’s global teams.</li></ul> <h3>Contract &amp; Requirements:</h3>This role requires specific local market expertise that Ledger doesn’t possess internally, making it a consulting project. The engagement will be handled via Upwork for payments and time management. To be eligible, you should be a commercially registered consulting company, self-employed entrepreneur, or equivalent commercial entity in Thailand. <h3>Why Ledger?</h3>At Ledger, we are on the cutting edge of blockchain technology, DeFi platforms, cryptocurrency, and NFTs. By joining our team, you’ll play a crucial part in shaping the future of digital assets and Web3. Whether it’s securing Bitcoin, trading Ethereum, or managing smart contracts, Ledger is at the forefront of the digital revolution.We value pragmatism, audacity, commitment, trust, and transparency—and we need your expertise to drive our continued growth in Thailand.Join us on our mission to empower people worldwide to take control of their digital assets. The future is secure, and it starts with Ledger. Ready to make an impact? Apply now and help Ledger lead the way in the world of cryptocurrency, blockchain, and NFTs.

Local Market Outreach - Thailand

Ledger, a global leader in digital asset security, is seeking a Head of Developer Relations to join their mission of making the world of digital assets accessible and secure. With over 25% of the world’s crypto assets secured through Ledger Nanos, Ledger continues to develop products and services to empower individuals and companies to securely manage their crypto assets. As the Head of Developer Relations, you will:<ul><li>Lead a global team of developer advocates to build a passionate technical community.</li><li>Develop and execute strategies to increase developer engagement with Ledger Live.</li><li>Oversee developer content, from blogs and newsletters to podcasts and product demos.</li><li>Manage developer communication channels like Slack, Discord, and Reddit.</li><li>Organize external hackathons and work closely with marketing and product teams.</li></ul> Key Qualifications:<ul><li>10+ years in Developer Relations or Community Management.</li><li>Strong communication skills and a data-driven approach to community building.</li><li>Ability to think like a developer, with coding experience and an understanding of blockchain technologies.</li></ul> What’s in it for you:<ul><li>Equity through stock options.</li><li>Hybrid work flexibility and a strong work-life balance.</li><li>Comprehensive health insurance and well-being programs.</li><li>Access to high-tech office equipment and products.</li><li>Five weeks of paid vacation plus national holidays.</li></ul> Join Ledger in shaping the future of crypto security and developer engagement.

Ledger Wallet

About Company

Company Info

Industry

Job Location

Share This Page

Open Job

Firmware Applications Engineer

Senior Security Engineer SDLC

Senior Backend Engineer (f/m)

Local Market Outreach - Thailand

Senior Manager Developer Relations (f/m)

Latest Related Companies For You

Hiring the Web3 Talent

Subscribe to the weekly jobs newsletter

Login

Check Your Email