Security Automation Engineer
Status
Paris, France
Full time
Office
Compensation is not specified
Role
Security Engineer
Description
We are dedicated to making digital assets easily accessible and secure for everyone.
Join us in this mission!
Founded in 2014, Ledger is a global platform for digital assets and Web3. Our Ledger Nanos protect over 15% of the world's crypto assets. With headquarters in Paris and Vierzon, and offices in the UK, US, Switzerland, and Singapore, our team of over 700 professionals develop a range of products and services that enable individuals and companies to securely buy, store, swap, grow, and manage crypto assets. Our Ledger hardware wallets have already been sold in 180 countries, with over 5 million units sold.
At Ledger, we pride ourselves on our values of Pragmatism, Audacity, Commitment, Trust, and Transparency. Watch our Origins video to learn more about us.
We are offering a 6-month cybersecurity internship at Ledger, with a strong focus on enhancing our security infrastructure and IT/OT domain. This position is ideal for a final year student studying computer security. You will collaborate closely with our architecture team to innovate on our new SIEM (Elastic Security) deployment.
As part of your responsibilities, you will work on designing and implementing new detection scenarios in Elastic Security and automate remediation processes using tools like n8n or equivalent. Having an interest in Web3 and hardware wallets will be beneficial as we operate in a fast-paced, dynamic environment.
This role is perfect for someone who is eager to enter the cybersecurity field and contribute to enhancing security monitoring and automation processes.
Internship Duration: 6 months
Start Date: February/March/April 2024
Mission:
- Design and implement new detection scenarios for SIEM (Elastic Security) in collaboration with the Security and Architecture team.
- Automate remediation processes (SOAR) using tools such as n8n.
- Automate and optimize current scanning tools (e.g., TenableOne) for regular scanning.
- Work closely with the architecture team to strengthen Ledger's security measures.
- Collaborate with Infrastructure, Engineering, and Product Security (Donjon) teams to detect and mitigate security vulnerabilities in a timely manner.
Requirements:
- Last year of Master's degree in Computer Security or equivalent.
- Proficiency in Python, API, and Git.
- Familiarity with SIEM/SoC concepts (knowledge of Elastic Security is a strong plus).
- Passion for cloud security and a proactive approach to improving Ledger's security posture.
Perks:
- Flexibility: Hybrid work policy.
- Social: Regular social events, snacks, and drinks.
- High-tech: Access to high-performance office equipment and gadgets, including Apple products.
- Transportation: Ledger reimburses 75% of your preferred means of transportation.
- Food: Lunch vouchers with Swile.
- Vacation: 1 day off for every full month worked.
We are an equal opportunity employer and value diversity in our workforce, irrespective of gender, ethnicity, religion, sexual orientation, social status, disability, or age.
Skills Required
Ledger
Website
www.ledger.comCompany size
Not specified
Location
United States
Description
Not specified
Status
George I
Game Studio Hiring: Full-Stack, Mobile & 3D Web Developers
Part time
Remote
About Us
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
Full-Stack Developers
Backend and frontend development for web platform
Experience with game-related web services preferred
Mobile Developers
Native mobile app development
Cross-platform experience valued
Unity Developers
Gameplay mechanics implementation
3+ years Unity experience required
3D Web Developers
WebGL and Three.js expertise
Browser-based 3D rendering experience
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
We are an established game studio developing HeroWarrior, a Unity-based web battle game that has been in active development for three years. Our project is supported by GameWorld (Netherlands) and we're currently preparing for version 2.0 with an expanded development team.
Following strategic restructuring in 2022, we're now building a distributed team across Europe and seeking talented developers to join our long-term project.
Open Positions
We are actively recruiting for the following roles:
UI/UX Designer
Specialization in gaming interface design
Experience with Unity UI systems preferred
Full-Stack Developers
Backend and frontend development for web platform
Experience with game-related web services preferred
Mobile Developers
Native mobile app development
Cross-platform experience valued
Unity Developers
Gameplay mechanics implementation
3+ years Unity experience required
3D Web Developers
WebGL and Three.js expertise
Browser-based 3D rendering experience
hat We Offer
Project Commitment: We're seeking long-term partnerships, not short-term contractors. This is an opportunity to grow with an established project backed by industry partners.
Compensation Structure:
Flexible payment options: hourly rates, monthly retainers, or milestone-based compensation
Rates negotiable based on experience and role
Initial evaluation period followed by standard employment terms
Work Environment:
Remote-friendly distributed team
Collaborative development process
Opportunity to work on a commercially-backed game project
Application Requirements
Please submit the following:
Portfolio/Resume - Detailed work history and relevant projects
Rate Expectations - Your preferred compensation structure and rates
Code Samples - GitHub repository, portfolio links, or previous work examples
Availability - Expected start date and commitment level
Evaluation Process Acknowledgment - Confirmation of willingness to complete a brief technical assessment
Ideal Candidates
Demonstrated passion for game development
Strong technical skills in relevant technologies
Experience working on long-term projects
Collaborative mindset and professional communication
Interest in building innovative gaming experiences
Next Steps
We are moving quickly to fill these positions. Qualified candidates will be contacted within one week for initial discussions and technical evaluation.
To apply, please send your complete application materials to vlad@gameworldcompany.com
Payment in Crypto
Target Mafia
Web3 Growth Hacker (Enforcer of Expansion)
Full time
Hybrid
Description
About Target Mafia
Target Mafia is a syndicate of elite media buyers, data scientists, and creative capos dominating gambling, crypto, nutra, and adult niches. We operate on pure performance: if our partners win, we win.
We are expanding our crypto empire and need a Web3 Growth Hacker, our Enforcer of Expansion, to scale projects, grow communities, and execute high-ROI campaigns across Web3 ecosystems.
Working at Target Mafia
This is a fast-paced, results-driven role where strategy meets execution. You’ll identify growth opportunities, implement viral campaigns, and optimize channels to maximize performance. Your work will directly impact revenue and user acquisition across multiple projects.
Role
As a Web3 Growth Hacker, you will drive user acquisition, scale communities, and execute growth strategies that expand Target Mafia’s influence in the crypto space. You’ll combine creative tactics, data analysis, and guerrilla marketing to deliver measurable results.
Responsibilities
Plan and execute growth campaigns across Telegram, Discord, Twitter, and other Web3 channels.
Build partnerships and collaborations with crypto communities and influencers.
Track, analyze, and optimize campaigns for maximum ROI.
Identify viral trends and implement them to boost engagement and user acquisition.
Work closely with media buyer dons and creative capos to align growth efforts with marketing strategies.
Skills Required
Growth Hacking & Performance Marketing
Social Media Strategy & Community Building
Crypto & Web3 Knowledge
Influencer & Partnership Management
Data Analysis & Campaign Optimization
Guerrilla Marketing & Viral Campaign Execution
Creativity & Fast Problem Solving
Reasons to Join Our Team
Lead high-impact campaigns in trending Web3 and crypto markets
Work with an elite, performance-driven mafia of media buyers
Performance-based compensation in stablecoins, with bonuses for growth wins
Hands-on experience scaling high-stakes projects
Flexible, dynamic, and rewarding environment for top-tier talent
About Target Mafia
Target Mafia is a syndicate of elite media buyers, data scientists, and creative capos dominating gambling, crypto, nutra, and adult niches. We operate on pure performance: if our partners win, we win.
We are expanding our crypto empire and need a Web3 Growth Hacker, our Enforcer of Expansion, to scale projects, grow communities, and execute high-ROI campaigns across Web3 ecosystems.
Working at Target Mafia
This is a fast-paced, results-driven role where strategy meets execution. You’ll identify growth opportunities, implement viral campaigns, and optimize channels to maximize performance. Your work will directly impact revenue and user acquisition across multiple projects.
Role
As a Web3 Growth Hacker, you will drive user acquisition, scale communities, and execute growth strategies that expand Target Mafia’s influence in the crypto space. You’ll combine creative tactics, data analysis, and guerrilla marketing to deliver measurable results.
Responsibilities
Plan and execute growth campaigns across Telegram, Discord, Twitter, and other Web3 channels.
Build partnerships and collaborations with crypto communities and influencers.
Track, analyze, and optimize campaigns for maximum ROI.
Identify viral trends and implement them to boost engagement and user acquisition.
Work closely with media buyer dons and creative capos to align growth efforts with marketing strategies.
Skills Required
Growth Hacking & Performance Marketing
Social Media Strategy & Community Building
Crypto & Web3 Knowledge
Influencer & Partnership Management
Data Analysis & Campaign Optimization
Guerrilla Marketing & Viral Campaign Execution
Creativity & Fast Problem Solving
Reasons to Join Our Team
Lead high-impact campaigns in trending Web3 and crypto markets
Work with an elite, performance-driven mafia of media buyers
Performance-based compensation in stablecoins, with bonuses for growth wins
Hands-on experience scaling high-stakes projects
Flexible, dynamic, and rewarding environment for top-tier talent
VaultChain
Assistant in Financial Technology and Trading Strategies (with Training)
Berlin, Germany
Berlin, Germany
Part time
Remote
Description
We are offering an opportunity to join our team and learn about cross-market trading strategies, focusing on identifying price differences of assets across multiple platforms. This role provides hands-on experience in financial technology, data analysis, and trading support.
As part of this position, you will:
Gain practical knowledge of market analysis and trading workflows
Learn how to recognize and evaluate opportunities across different platforms
Develop your skills in risk management and decision-making
Work with a mentor who will guide you step by step through the learning process
What we provide:
Comprehensive training program designed for beginners
Ongoing mentorship and professional support
Flexible schedule (approx. 1 hour a day required for study and practice)
Remote work setup with the possibility to grow into a larger role over time
This is a part-time, entry-level opportunity suitable for candidates with little or no prior experience. What matters most is your willingness to learn and apply new knowledge in practice.
Compensation: Competitive monthly pay structure with opportunities for progression as skills develop
We are offering an opportunity to join our team and learn about cross-market trading strategies, focusing on identifying price differences of assets across multiple platforms. This role provides hands-on experience in financial technology, data analysis, and trading support.
As part of this position, you will:
Gain practical knowledge of market analysis and trading workflows
Learn how to recognize and evaluate opportunities across different platforms
Develop your skills in risk management and decision-making
Work with a mentor who will guide you step by step through the learning process
What we provide:
Comprehensive training program designed for beginners
Ongoing mentorship and professional support
Flexible schedule (approx. 1 hour a day required for study and practice)
Remote work setup with the possibility to grow into a larger role over time
This is a part-time, entry-level opportunity suitable for candidates with little or no prior experience. What matters most is your willingness to learn and apply new knowledge in practice.
Compensation: Competitive monthly pay structure with opportunities for progression as skills develop
ghed santos
Founding Head of Engineering
San Francisco, USA
San Francisco, USA
Full time
Remote
About The Project:The project is a venture-backed stealth mode project having raised $2 million and building a Social Intelligence Engine designed to power smarter, faster crypto trading. We're combining advanced data infrastructure and real-time intelligence to unlock new trading possibilities. About the Role:We're looking for a tech-savvy, investor-facing leader with an engineering background to represent us on the frontlines. This is not a research role it's about amplifying our voice, building relationships, and being the bridge between our technology and the world. Key Responsibilities:1）Represent us externally at hackathons, pitch events, conferences, and investor meetings.2）Be our lead evangelist clearly explaining our tech vision to both technical and non-technical audiences.3）Drive fundraising efforts with compelling presentations, clear strategy narratives, and investor Q&A.4）Partner closely with engineering/product to demo the platform, shape the roadmap, and turn market feedback into action. Requirements:1）Strong engineering background (AI, blockchain, data infrastructure, or similar).2）Proven experience in investor-facing roles, including fundraising and pitching.3）Excellent presentation and communication skills, with a track record of representing projects publicly.4）Experience participating in or leading hackathons, demos, and tech events.5）Understanding of consumer behavior data in gaming and apps is a plus.6）Familiarity with Web3, crypto, and developer communities. Compensation:Competitive salary + equity + team token + and performance-based incentives.
Payment in Crypto
Сrypto.com
Senior Python Data Engineer (Finance Technology)
Hong Kong
Hong Kong
Full time
Hybrid
We are seeking a dedicated individual to join our dynamic team focused on designing, developing, and enhancing software for innovative projects that align with our core business. The projects are rapidly executed with a lean team, requiring your active involvement in all aspects of application design, from frontend user interface to backend architecture.
You will play a crucial role in building and optimizing a data transformation pipeline for Finance teams. Responsibilities include designing and implementing robust data pipelines, ensuring data quality, timely financial reporting, and delivering intuitive data products to empower users with self-service capabilities and accurate data insights.
Requirements:
Proficient in Python scripting
Strong SQL skills for querying, data transformation, and performance optimization
Experience working with Directed Acyclic Graphs (DAGs) in Apache Airflow or similar tools
Familiarity with version control using GitHub, collaborating with stakeholders to translate business needs into technical solutions
Effective communication in spoken English
Knowledge of Docker, Kubernetes, AWS/cloud platforms, and unit testing
Bonus experience in Elixir, Cloudera Data Warehouse, AWS Athena/Tableau
Responsibilities:
Design and enhance Directed Acyclic Graphs (DAGs) using Python and Apache Airflow to improve financial reporting data
Manage internal tools for handling sensitive company data effectively
Collaborate with various teams including Data Science, Data Warehouse, Exchange, Backend, and Finance to address data requirements and deliver solutions
Maintain comprehensive documentation to ensure smooth team collaboration and handovers
Life @ Crypto.com
Empower individuals to explore new opportunities and collaborate with a talented, driven team. Foster a proactive work environment that encourages innovative solutions and personal growth. Benefit from a supportive work culture where teamwork is fundamental in achieving shared goals and advancing cryptocurrency adoption.
Benefits
Competitive salary
Generous annual leave allowance
Flexible working hours and hybrid/remote setups
Professional growth opportunities through an internal mobility program
Work perks such as a crypto.com visa card upon joining
About Crypto.com
Crypto.com, established in 2016, serves a rapidly growing customer base and aims to make cryptocurrency accessible to all. Committed to security, privacy, and compliance, Crypto.com is dedicated to fostering cryptocurrency adoption through innovation and supporting the next generation of innovators in building a fair digital ecosystem.
Crypto.com operates an equal opportunities policy, prioritizing diversity, inclusion, and transparency in all aspects of the organization. Personal data submitted by applicants will be used solely for recruitment purposes. Only shortlisted candidates will be contacted for further consideration.
You will play a crucial role in building and optimizing a data transformation pipeline for Finance teams. Responsibilities include designing and implementing robust data pipelines, ensuring data quality, timely financial reporting, and delivering intuitive data products to empower users with self-service capabilities and accurate data insights.
Requirements:
Proficient in Python scripting
Strong SQL skills for querying, data transformation, and performance optimization
Experience working with Directed Acyclic Graphs (DAGs) in Apache Airflow or similar tools
Familiarity with version control using GitHub, collaborating with stakeholders to translate business needs into technical solutions
Effective communication in spoken English
Knowledge of Docker, Kubernetes, AWS/cloud platforms, and unit testing
Bonus experience in Elixir, Cloudera Data Warehouse, AWS Athena/Tableau
Responsibilities:
Design and enhance Directed Acyclic Graphs (DAGs) using Python and Apache Airflow to improve financial reporting data
Manage internal tools for handling sensitive company data effectively
Collaborate with various teams including Data Science, Data Warehouse, Exchange, Backend, and Finance to address data requirements and deliver solutions
Maintain comprehensive documentation to ensure smooth team collaboration and handovers
Life @ Crypto.com
Empower individuals to explore new opportunities and collaborate with a talented, driven team. Foster a proactive work environment that encourages innovative solutions and personal growth. Benefit from a supportive work culture where teamwork is fundamental in achieving shared goals and advancing cryptocurrency adoption.
Benefits
Competitive salary
Generous annual leave allowance
Flexible working hours and hybrid/remote setups
Professional growth opportunities through an internal mobility program
Work perks such as a crypto.com visa card upon joining
About Crypto.com
Crypto.com, established in 2016, serves a rapidly growing customer base and aims to make cryptocurrency accessible to all. Committed to security, privacy, and compliance, Crypto.com is dedicated to fostering cryptocurrency adoption through innovation and supporting the next generation of innovators in building a fair digital ecosystem.
Crypto.com operates an equal opportunities policy, prioritizing diversity, inclusion, and transparency in all aspects of the organization. Personal data submitted by applicants will be used solely for recruitment purposes. Only shortlisted candidates will be contacted for further consideration.