Head of Custody Security
Amsterdam, Netherlands
Full time
Hybrid
Compensation is not specified
Role
Security Engineer
Description
Responsibilities
- Plan, execute, and manage testing of security controls for identity management, key management, and network/cloud infrastructure.
- Assist with client assurance tasks such as handling RFPs, RFIs, and DDQs.
- Analyze customer inquiries, provide insights to internal teams for enhancing documentation and control readiness.
- Conduct security assessments and continual monitoring of web3/blockchain vendors to evaluate control maturity and identify risks.
- Coordinate external audit procedures including walkthroughs, evidence gathering, and response oversight.
- Identify process gaps, develop remediation plans, and monitor progress to address deficiencies.
- Stay informed on financial regulatory security requirements to ensure compliance of controls.
- Share security best practices, emerging threats, and mitigation techniques with internal stakeholders.
- Assess and recommend advanced security tools, automation, and technologies to improve overall security posture.
- Evaluate potential security implications of blockchain network or protocol upgrades on the platform.
Requirements
- Minimum of 8 years experience in security assurance, audit, compliance, or cloud security engineering.
- Proficiency in testing security controls across IAM, key management, and network/cloud environments.
- Strong understanding of Identity and Access Management (IAM) principles.
- Familiarity with cryptographic key management, HSMs, and KMS systems.
- Good knowledge of cloud and network security architecture and configurations.
- Experience supporting external audits like SOC 1, SOC 2, ISO 27001, PCI DSS, or equivalent assessments.
- Exposure to major cloud platforms (AWS, GCP, Azure) and infrastructure-as-code.
- Ability to create client assurance materials, respond to RFP/RFI/DDQ, and maintain evidence documentation.
- Knowledge of blockchain platforms or digital asset custody systems is a plus.
- Capable of working independently and handling pressure effectively.
- Excellent verbal and written communication skills.
- Practical and solution-focused approach, able to balance security needs with operational feasibility and business requirements.
Skills Required
Сrypto.com
Website
Сrypto.comCompany size
Not specified
Location
United States
Description
Not specified
Peeter Luik
Software Developer
Part time
Remote
I’m actively looking for a native Russian speaker who can expertly conduct or participate in job interviews—especially those requiring strong communication, technical understanding, and professional presence. This person should feel at ease discussing software engineering, or related topics, while also being able to assess a candidate’s clarity, depth, and overall fit. If you’re a fluent Russian speaker with the confidence and experience to shine in a technical interview setting, I’d be excited to connect and explore the opportunity with you.
Payment in Crypto
Chandra Shekhar Patidar
Ethical hackering, Web security, bug Bounting+report
Rajanukunte, India
Rajanukunte, India
Part time
Remote
We are looking for a skilled Ethical Hacker who specializes in Web Security, Bug Bounties, and Report Writing. The ideal candidate will be proficient in IT and Networking concepts, with a passion for keeping web environments secure and free from vulnerabilities.
Responsibilities:
- Conducting ethical hacking activities to identify and exploit vulnerabilities in web applications and networks.
- Participating in bug bounty programs to discover and report security issues.
- Writing detailed reports documenting findings, recommended solutions, and mitigation strategies.
- Collaborating with developers and security experts to address identified vulnerabilities.
Required Skills:
- In-depth knowledge of IT and Networking principles.
- Proficiency in ethical hacking techniques and tools.
- Understanding of web security best practices.
- Strong communication and report writing skills.
- Ability to work independently and as part of a team.
If you have a strong background in IT and Networking, a keen interest in ethical hacking, and a desire to contribute to web security, we encourage you to apply for this exciting opportunity.
Responsibilities:
- Conducting ethical hacking activities to identify and exploit vulnerabilities in web applications and networks.
- Participating in bug bounty programs to discover and report security issues.
- Writing detailed reports documenting findings, recommended solutions, and mitigation strategies.
- Collaborating with developers and security experts to address identified vulnerabilities.
Required Skills:
- In-depth knowledge of IT and Networking principles.
- Proficiency in ethical hacking techniques and tools.
- Understanding of web security best practices.
- Strong communication and report writing skills.
- Ability to work independently and as part of a team.
If you have a strong background in IT and Networking, a keen interest in ethical hacking, and a desire to contribute to web security, we encourage you to apply for this exciting opportunity.
Payment in Crypto
White Bridge LTD
Junior Crypto Analyst & Trader (Remote, Training Included)
Bruges, Belgium +9
Bruges, Belgium +9
Part time
Remote
WhiteBridge-Ltd is a young and rapidly developing company working in the field of digital markets and analytics.
We bring together enterprising people who want to master modern approaches to trading, analysis and decision-making in a dynamic market environment.
We are currently looking for a Junior Crypto Analyst & Trader, a novice specialist who is ready to complete training, perform real trading operations and develop under the guidance of experienced mentors.
Your Responsibilities:
Execution and support of trading operations on digital markets.
Tracking asset dynamics and market trends.
Maintaining internal records on transactions and statistics.
Analyzing market data, news, and charts for decision-making.
Work with analytical tools and participate in discussions with a team of traders.
The gradual formation and improvement of your own trading strategy.
What We Offer:
Working for a young and growing international company.
Remote format — you can work from anywhere in the world.
Flexible schedule — up to 20 hours per week, it is convenient to combine with study or main activity.
Learning from scratch — all processes and trading tools are mastered with a mentor.
The opportunity for professional growth and transition to more advanced levels.
Ideal Candidate:
He is interested in digital assets and trading processes.
He is attentive to details and is able to analyze data.
He learns quickly and is ready to act in a dynamic environment.
Knows how to work independently and in a team.
Trading experience is not required — the desire to develop is important.
We bring together enterprising people who want to master modern approaches to trading, analysis and decision-making in a dynamic market environment.
We are currently looking for a Junior Crypto Analyst & Trader, a novice specialist who is ready to complete training, perform real trading operations and develop under the guidance of experienced mentors.
Your Responsibilities:
Execution and support of trading operations on digital markets.
Tracking asset dynamics and market trends.
Maintaining internal records on transactions and statistics.
Analyzing market data, news, and charts for decision-making.
Work with analytical tools and participate in discussions with a team of traders.
The gradual formation and improvement of your own trading strategy.
What We Offer:
Working for a young and growing international company.
Remote format — you can work from anywhere in the world.
Flexible schedule — up to 20 hours per week, it is convenient to combine with study or main activity.
Learning from scratch — all processes and trading tools are mastered with a mentor.
The opportunity for professional growth and transition to more advanced levels.
Ideal Candidate:
He is interested in digital assets and trading processes.
He is attentive to details and is able to analyze data.
He learns quickly and is ready to act in a dynamic environment.
Knows how to work independently and in a team.
Trading experience is not required — the desire to develop is important.
Payment in Crypto
Ali Ahmad
Graphic Designer for Web & Mobile Projects
Part time
Remote
We are lookang for a talented and creative graphic designer to work on various digital design project including web banners social medai posts product mockups and UI/UX layouts
Payment in Crypto
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