Security Operations Engineer (f/m)

Portland, United States
Full time
Hybrid
Compensation is not specified
Role
Security Engineer
Description

We are focused on democratizing the world of digital assets, ensuring accessibility and security for all individuals. This is where you fit in.

Established in 2014, Ledger serves as the global platform for Web3 and digital assets, safeguarding over 25% of the world’s crypto assets through Ledger Nanos. With headquarters in Paris and Vierzon, as well as offices in various countries such as the UK, US, Switzerland, and Singapore, Ledger is supported by a team of more than 700 professionals. Their efforts are dedicated to providing products and services that allow individuals and businesses to securely purchase, store, exchange, expand, and supervise crypto assets. This includes the line of Ledger hardware wallets, of which more than 7 million units have been sold across 200 countries.

At Ledger, we uphold core values that distinguish us: Pragmatism, Audacity, Commitment, Trust, and Transparency. Our team implements these values in every aspect of our work.

Your Role

Creating a presence as a Security Operations Engineer, Ledger seeks an individual experienced in scale-up environments, with a keen interest in Web3 and blockchain security. Your key responsibilities will revolve around identifying and mitigating threats across Ledger's infrastructure, managing SaaS security tools, and conducting strategic threat-hunting activities. While some collaboration may occur with the Donjon Team regarding blockchain-related risks, the primary focus will be operational security inclusive of threat detection, automation, and incident response. This opportunity presents a chance to secure a rapidly evolving SaaS environment, while also engaging with cutting-edge Web3 technologies.

Primary Responsibilities:

  • Security Monitoring & Incident Response: Monitor and interpret security alerts, functioning with tools like Sekoia (SIEM) and SentinelOne (EDR) to neutralize threats effectively. Develop and enhance detection systems using IOCs to optimize threat visibility. Lead incident response efforts to swiftly contain and resolve threats.
  • Threat Hunting: Actively seek out threats across SaaS and cloud surroundings to pinpoint malicious activities or APTs. Integrate CTI and OSINT into threat-hunting strategies for predicting and mitigating potential risks.
  • SaaS and IAM Security: Oversee and fortify SaaS applications, such as Google Workspace, alongside implementing top-tier IAM system practices like OKTA. Strengthen access controls, monitor user activities, and minimize IAM-related security vulnerabilities.
  • Blockchain Collaboration: Partner with the Donjon Team to provide operational support for blockchain-related concerns, incorporating relevant detection systems into SIEM and responding to blockchain-specific incidents, in addition to focusing on your primary responsibilities.
  • Automation and Efficiency: Introduce security automation mechanisms employing tools such as GitHub Actions to refine detection, triage, and response workflows.
  • Vulnerability Management: Prioritize and track vulnerabilities via tools like Wiz and SBOM repositories, ensuring prompt resolution throughout SaaS and cloud domains.
  • Collaboration & Documentation: Engage with Threat Intelligence, Engineering, and Product Security teams to align and enhance security protocols. Create documentation including playbooks, detection rules, and methodologies for optimum operational efficacy and knowledge dispersion.

Qualifications:

  • Experience: A minimum of 3 years in security operations, particularly within scale-up settings. Knowledge of Web3 and blockchain security is crucial, with an understanding that working on blockchain-specific risks may involve collaboration with the Donjon Team.
  • Technical Skills: Proficiency in SIEM tools (e.g., Sekoia) and the development of detection logic is essential. Skill set extends to EDR platforms like SentinelOne, and familiarity with threat-hunting strategies such as IOC management. Profound expertise in SaaS security tools (e.g., Google Workspace) and IAM systems (e.g., OKTA). Experience with vulnerability management tools (Wiz) and cloud security fundamentals.
  • Soft Skills: Demonstrated analytical and problem-solving skills alongside a proactive approach to security issues. Clear and effective communication abilities, conducive to collaborating with cross-functional teams. An eagerness for continuous learning and knowledge sharing.

Benefits Package:

  • Equity: Receive stock options enabling you to partake in our growth and success.
  • Flexibility: Enjoy the perks of a hybrid work policy.
  • Social: Engage in our annual company events as well as frequent social gatherings, snack provisions, and beverages.
  • Medical: Avail comprehensive health insurance offering extensive coverage for medical, dental, and vision care.
  • Well-being: Access personal development opportunities, coaching sessions, and fitness benefits through our designated partners.
  • Vacation: Generous paid leave, providing five weeks per year in addition to national holidays and RTT days.
  • High-tech: Gain access to high-performance office equipment and gadgets, including Apple products.
  • Transport: Be reimbursed for part of your preferred mode of transport.
  • Discounts: Enjoy employee discounts on all our products.

We are committed to promoting a diverse and inclusive work environment, showing no bias based on gender, ethnicity, religion, sexual orientation, social status, disability, or age.

Skills Required
Avatar
Ledger
Company size
Not specified
Location
United States
Description
Ledger is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. We are constantly looking for innovative, talented people to join our team.

More Full-time Jobs

Show more

Web3 Frontend Engineer

New York, USA
New York, USA
Full time
Remote
About Us:
GP Vote is an innovative startup dedicated to transforming the democratic process through a cutting-edge voting platform integrated with blockchain technology. Our mission is to empower individuals to voice their opinions and shape collective decisions in a secure and transparent environment. We believe that every voice matters, and our platform fosters inclusivity by allowing users to propose titles and suggestions.
We are seeking a talented Frontend Developer with a strong background in React and TypeScript. The ideal candidate will have experience in Web3 and blockchain technologies, enabling them to contribute to our mission of delivering high-quality digital products.
Key Responsibilities
Develop and maintain user-friendly web applications using React and TypeScript.
Collaborate with cross-functional teams to define, design, and ship new features.
Implement responsive designs and ensure the technical feasibility of UI/UX designs.
Integrate with blockchain technologies and Web3 APIs.
Optimize applications for maximum speed and scalability.
Conduct code reviews and provide constructive feedback to team members.
Stay updated with emerging technologies and industry trends.
Required Qualifications
Proven experience as a Frontend Developer or similar role.
Strong proficiency in React and TypeScript.
Experience with Web3 technologies and blockchain development.
Familiarity with RESTful APIs and modern frontend build pipelines and tools.
Understanding of responsive design principles and best practices.
Excellent problem-solving skills and attention to detail.
Strong communication and collaboration skills.
Preferred Qualifications
Experience with state management libraries (e.g., Redux, MobX).
Knowledge of testing frameworks (e.g., Jest, Cypress).
Familiarity with version control systems (e.g., Git).
Benefits
Competitive salary and performance-based bonuses.
Flexible working hours and remote work options.
Generous vacation policy and paid time off.
Health, dental, and vision insurance.
Professional development opportunities and access to online courses.
Collaborative and inclusive company culture.
Opportunities to work on cutting-edge technology in the Web3 and Blockchain space.
Team-building activities and company retreats.
Join us in shaping the future of voting technology!
If you are interested in our position, please dm to me or send email to larry@everyvote.xyz
8,000-10,000
Monthly
See details

Lead Full-Stack Developer (React, React Native, Scrum)

Europa, USA +1
Europa, USA +1
Full time
Remote
As the Development Lead, you will play a vital role in building and strengthening communications within the team. This role requires a hands-on senior engineer with expertise in React, React Native, and AWS, who can drive both the technical direction and the team's Scrum processes. The ideal candidate will cultivate and facilitate clear communication, actively manage workloads, and ensure smooth collaboration within the team. The ideal candidate has a strong technical background, excellent interpersonal skills, and knowledge of the automotive or B2B sales landscape is beneficial. 
Key Responsibilities:
Leadership & Management: Lead a team of fullstack developers, providing daily guidance, feedback, and management where necessary to ensure team members are actively working in the sprints.
Scrum Master: Act as Scrum Master, managing all aspects of the Scrum process including sprint planning, daily standups, and retrospectives to ensure smooth project flow.
Technical Oversight: Provide expert guidance on React, React Native, and AWS, and assist in solving complex technical challenges.
Strengthen Communication: Actively work on facilitating and improving team communication and collaboration to ensure effective teamwork.
Project Coordination: Align team efforts with project goals and deliverables, making sure tasks are well-defined, achievable, and clearly assigned.
Continuous Improvement: Identify and implement process improvements within the team's workflow, fostering a culture of accountability and continuous development that is in line with the company’s growth plans.
Mentorship: Provide mentorship and professional development opportunities to team members, supporting their growth and maximizing productivity.
Job requirements
Requirements: 
Experience: 5+ years of fullstack development experience with at least 2 years in a lead or Scrum Master role.
Technical Skills: Strong proficiency in React, React Native, and AWS. Agile/Scrum
Expertise: Experience managing a Scrum team, with proven knowledge of Agile practices.
Communication: Excellent verbal and written communication skills, with the ability to facilitate effective team interactions.
Problem-Solving: Skilled at identifying team blockers and efficiently resolving conflicts or challenges.
Management Ability: Comfortable managing developers closely when necessary to ensure all team members are fully engaged.
Certifications (Preferred): Certified ScrumMaster (CSM) or Professional Scrum Master (PSM) is a plus
Self-Starter Mentality: Driven, with an ability to work independently and manage time effectively in a remote environment.
4,000-6,000
Monthly
See details

Full Stack Engineer

Baiern, Germany
Baiern, Germany
Full time
Remote
About Us
At DynamicX, we're revolutionizing the way sports enthusiasts invest in their passions. Founded by Nicolas Weiner, Tristan Reinthaler, and Gerd Weiner, our innovative platform merges the excitement of sports with cutting-edge financial technology.
Our mission is to empower sports fans to turn their enthusiasm into smart investments, transforming the traditional sports industry landscape. We believe that by combining sports enthusiasm with strategic financial markets, we can create new opportunities for both fans and athletes alike.
Our journey began with a simple idea: what if sports fans could invest in the very athletes and teams they cheer for? This sparked a movement to democratize access to sports investment and create a more engaging, interactive experience for sports enthusiasts worldwide.
At DynamicX, we're committed to innovation, transparency, and community engagement. Our team of passionate technologists, financial experts, and sports enthusiasts works tirelessly to develop cutting-edge solutions that bridge the gap between sports enthusiasm and smart investing.
Join us in shaping the future of sports investment and turning your passion into a career-defining opportunity.
Job Summary
We're looking for a talented Full Stack Engineer who excels in creating robust, scalable, and efficient web applications. You will play a crucial role in developing and maintaining our core platform, working closely with our cross-functional team to deliver high-quality features and improvements. Your expertise in both front-end and back-end technologies will be invaluable in shaping the future of sports investment.
Responsibilities
Design, develop, test, and deploy full-stack web applications using modern technologies
Collaborate with product managers, designers, and other engineers to understand requirements and create solutions
Implement scalable backend services using Node.js, Express, or similar frameworks
Develop responsive and performant front-end interfaces using React, Vue.js, or similar libraries
Integrate third-party APIs and services effectively
Optimize application performance and maintain high code quality standards
Participate in code reviews and contribute to improving team processes
Troubleshoot production issues and implement bug fixes promptly
Stay up-to-date with industry trends and emerging technologies
Requirements
Bachelor's degree in Computer Science or related field (or equivalent experience)
Minimum 3 years of experience in full-stack development
Proficiency in JavaScript (ES6+) and TypeScript
Experience with modern front-end frameworks (React, Vue.js, or similar)
Strong understanding of backend technologies (Node.js, Express, etc.)
Familiarity with databases (MongoDB, MySQL, etc.) and ORM tools
Knowledge of RESTful APIs and GraphQL
Experience with cloud platforms (AWS, Azure, or Google Cloud)
Version control experience with Git
Strong problem-solving skills and attention to detail
Excellent communication and teamwork abilities
Preferred Qualifications
Experience with blockchain technologies
Knowledge of sports-related APIs or platforms
Familiarity with cryptocurrency trading systems
Experience with automated trading systems
Understanding of tokenization concepts
Certification in cloud computing or DevOps
What We Offer
Competitive salary
Comprehensive health insurance package
Flexible hybrid remote work arrangement
Generous PTO policy (20 days annual leave + 10 paid holidays)
Professional development opportunities
Stock options in a growing startup
Access to cutting-edge technologies and tools
Collaborative and dynamic work environment
Opportunities for career growth and advancement
Payment in Crypto
6,000-8,000
Monthly
See details

QA-Engineer

Geneva, USA
Geneva, USA
Full time
Remote
We are seeking a dedicated and detail-oriented QA Engineer to join our team focused on developing an AI-driven Social Authenticity Network. The ideal candidate will be responsible for ensuring the quality and reliability of our platform, which leverages artificial intelligence to foster authentic user interactions and mitigate fraudulent or inauthentic behavior.
1. Quality Assurance Strategy:
- Develop and implement comprehensive QA strategies and testing methodologies tailored to an AI-powered environment.
- Identify quality metrics and establish benchmarks for software performance.
2. Test Case Development:
- Analyze functional requirements to create and execute detailed test cases that ensure complete coverage of application features and AI functionalities.
- Continuously update and refine test cases based on evolving requirements and feedback.
3. Integration Testing:
- Collaborate with data scientists and developers to test AI models and algorithms, validating their predictive accuracy and ensuring they align with system requirements.
- Ensure integration points between various services and AI components function correctly.
4. Collaboration:
- Partner with cross-functional teams, including product management, development, and data science, to ensure quality is embedded within the development lifecycle.
- Actively participate in sprint planning and retrospective meetings to provide insights on quality improvements.
5. Continuous Learning and Improvement:
- Stay current with industry trends, tools, and methodologies related to QA and AI technologies.
- Propose and implement improvements to QA processes to enhance product quality and team efficiencies.
Why Join Us?
Join our innovative team to work on cutting-edge technology solutions aimed at promoting authenticity in social interactions. We offer a dynamic work environment, opportunities for career development, and the chance to make a significant impact on the way people connect online.
Location: Remote
Salary: Competitive salary based on experience
You can apply here: https://forms.gle/2eCpc4W6VDDQxoHg8
Payment in Crypto
8,333-13,333
Monthly
See details

Senior Blockchain Developer

Part time
Remote
About Teamix
Teamix is a platform connecting top-tier talent in blockchain and AI with innovative startups and companies building decentralized products. We’re looking for a Senior Blockchain Developer to join our network of experts, where you’ll contribute to the development of blockchain systems that bridge the gap between real-world assets and decentralized finance (DeFi). This is an exciting opportunity to work with mission-driven startups, bringing advanced blockchain solutions to scale.
Only apply here: https://www.myteamix.com/#/talent-ai-platform
Your Responsibilities
As a Senior Blockchain Developer, you will:
Design, develop, and implement secure blockchain systems to support innovative decentralized solutions.
Contribute to the development of private and public blockchain networks, including smart contracts, tokenization, and ledger management.
Collaborate with engineering teams across multiple projects to iterate and improve blockchain functionality.
Build and maintain backend services that scale efficiently to support decentralized applications (DApps) and blockchain-based platforms.
Participate in code reviews, ensuring the highest standards of blockchain security, accuracy, and performance.
Stay up to date with blockchain trends and technologies to enhance the architecture and features of projects.
Work closely with startups to ensure blockchain implementations meet business objectives and deliver verifiable trust in decentralized systems.
 
Key Requirements
3+ years of dedicated blockchain development experience, including expertise with Ethereum, Solana, and smart contract frameworks.
5+ years of experience building scalable backend services in languages such as Golang, Rust, Java, TypeScript, or Python.
Proven track record of delivering secure, high-performance blockchain solutions.
Strong understanding of blockchain consensus mechanisms, tokenization, and decentralized architecture.
 
Preferred Qualifications
Experience with private blockchain networks like Hyperledger, CordaR3, or DAML.
Knowledge of interoperability solutions between different blockchain networks.
Familiarity with zero-knowledge proofs and their applications.
Experience building decentralized applications (DApps).
Previous experience with Blockchain-as-a-Service platforms.
Why Join Teamix?
Teamix offers flexibility and the opportunity to work on impactful projects within a global network of Web3 and AI experts. You’ll collaborate with startups that are building cutting-edge blockchain solutions and help shape the future of decentralized finance, smart contracts, and more.
Apply here: https://www.myteamix.com/#/talent-ai-platform