Specialist, Payment & Risk Operations
Barcelona, Spain
Full time
Office
Compensation is not specified
Role
Security Engineer
Description
Who we are
We are focused on simplifying wealth creation. Founded in 2014 in Vienna, Austria, our team at Bitpanda seeks to empower individuals to build financial freedom by offering a user-friendly platform for investing in various assets. We cater to both new investors and seasoned experts, providing access to cryptocurrencies, crypto indices, stocks, precious metals, and commodities with any budget, round the clock. With a global reach serving over 4 million customers, we have established ourselves as a secure platform driving modern investment opportunities.
Based in Austria with operations extending across Europe, our dedicated team embodies a fast-paced, collaborative approach to product development. By leveraging diverse perspectives and innovative ideas, we remain at the forefront of the industry. If you are someone with a strategic mindset, driven to deliver impact, and collaborative by nature, we invite you to be a part of our transformative team at Bitpanda.
Your mission
In the role of a Risk & Payments Specialist at Bitpanda, your primary objective is to monitor online transactions for signs of fraud, scams, and money laundering, aiming to identify and address suspicious behavior effectively. You will play a proactive role in detecting anomalies and implementing preventive measures innovatively.
Responsibilities
- Conduct thorough investigations of banking, credit card, and cryptocurrency transactions to identify irregularities.
- Handle fraud and scams investigations related to online transactions, ensuring comprehensive checks are conducted.
- Offer insights to contribute to system enhancements and process optimizations.
- Provide operational support internally and externally within stipulated service level agreements.
- Generate customized reports detailing the latest fraud schemes using various analytical tools.
Qualifications
- Enthusiastic about preventing fraud, utilizing proactive approaches, and eager to drive meaningful change.
- Previous experience in fraud prevention within a cryptocurrency or Fintech setting.
- Ability to thrive in a dynamic environment with exposure to diverse projects and stakeholders, demonstrating adaptability to varying workloads.
- Willingness to work flexible shift patterns, including weekends.
- Proficiency in Chainalysis, with knowledge of SQL considered a bonus.
Benefits
- Hybrid work model with a balanced split between remote and office work, along with annual Work From Anywhere days.
- Comprehensive compensation package with participation in the Bitpanda stock option plan.
- Competitive benefits programs aligned with our philosophy of prioritizing flexibility.
- Unique incentives for trading on Bitpanda.
- Opportunities for company-wide and team-building events, both in-person and virtual.
- Bitpanda merchandise to showcase your connection to the brand.
Above all, this role provides a fulfilling opportunity to evolve and learn within Bitpanda’s strategic path to becoming the top investment platform in Europe.
Bitpanda is dedicated to fostering an inclusive environment founded on trust and mutual respect. We strongly believe in the power of diversity and are committed to building a team that showcases a wide range of backgrounds, viewpoints, and expertise.
Skills Required
Bitpanda
Website
www.bitpanda.comCompany size
Not specified
Location
Austria
Description
Not specified
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
Сrypto.com
Head of Custody Security
Madrid, Spain
Madrid, Spain
Full time
Hybrid
Responsibilities
Conduct, design, and execute testing of security controls encompassing identity management, key management, and infrastructure (network and cloud) configurations.
Assist client assurance activities, including addressing Requests for Proposals (RFPs), Requests for Information (RFIs), and Due Diligence Questionnaires (DDQs).
Identify and analyze trends in client inquiries, offering feedback to internal teams to enhance documentation and control readiness.
Engage in security due diligence and continuous monitoring for Web3/blockchain vendors, evaluating control maturity, reviewing SOC reports and security documentation, and pinpointing residual risks.
Coordinate external audit activities, such as walk-throughs, evidence collection, and response tracking.
Recognize and evaluate gaps in existing and new processes, subsequently formulating and monitoring remediation recommendations to completion (e.g., onboarding flow).
Develop and sustain comprehension of applicable financial regulatory security requirements, ensuring control alignment.
Research and share information security best practices, emerging threats, and mitigation strategies with internal teams.
Evaluate and suggest next-generation security tools, automation, and technologies to enhance overall security posture.
Review blockchain network or protocol upgrades for potential security impacts on the platform.
Requirements
Minimum of 8 years of pertinent experience in security assurance, audit, compliance, or cloud security engineering.
Demonstrated proficiency in testing and validating security controls regarding IAM, key management, and network/cloud environments.
Solid understanding of Identity and Access Management (IAM) principles.
Knowledge of cryptographic key management, HSMs, and KMS systems.
Proficient in cloud and network security architecture and configuration.
Proven track record in supporting SOC 1, SOC 2, ISO 27001, PCI DSS, or equivalent external audits and assessments.
Exposed to major cloud platforms (AWS, GCP, Azure) and infrastructure-as-code.
Experience in preparing client assurance materials, RFP/RFI/DDQ responses, and evidence documentation.
Familiarity with blockchain platforms or digital asset custody systems considered a plus.
Capable of working autonomously and effectively under pressure.
Excellent verbal and written communication skills.
Pragmatic and solution-oriented approach, capable of balancing security requirements with operational feasibility and business needs.
Conduct, design, and execute testing of security controls encompassing identity management, key management, and infrastructure (network and cloud) configurations.
Assist client assurance activities, including addressing Requests for Proposals (RFPs), Requests for Information (RFIs), and Due Diligence Questionnaires (DDQs).
Identify and analyze trends in client inquiries, offering feedback to internal teams to enhance documentation and control readiness.
Engage in security due diligence and continuous monitoring for Web3/blockchain vendors, evaluating control maturity, reviewing SOC reports and security documentation, and pinpointing residual risks.
Coordinate external audit activities, such as walk-throughs, evidence collection, and response tracking.
Recognize and evaluate gaps in existing and new processes, subsequently formulating and monitoring remediation recommendations to completion (e.g., onboarding flow).
Develop and sustain comprehension of applicable financial regulatory security requirements, ensuring control alignment.
Research and share information security best practices, emerging threats, and mitigation strategies with internal teams.
Evaluate and suggest next-generation security tools, automation, and technologies to enhance overall security posture.
Review blockchain network or protocol upgrades for potential security impacts on the platform.
Requirements
Minimum of 8 years of pertinent experience in security assurance, audit, compliance, or cloud security engineering.
Demonstrated proficiency in testing and validating security controls regarding IAM, key management, and network/cloud environments.
Solid understanding of Identity and Access Management (IAM) principles.
Knowledge of cryptographic key management, HSMs, and KMS systems.
Proficient in cloud and network security architecture and configuration.
Proven track record in supporting SOC 1, SOC 2, ISO 27001, PCI DSS, or equivalent external audits and assessments.
Exposed to major cloud platforms (AWS, GCP, Azure) and infrastructure-as-code.
Experience in preparing client assurance materials, RFP/RFI/DDQ responses, and evidence documentation.
Familiarity with blockchain platforms or digital asset custody systems considered a plus.
Capable of working autonomously and effectively under pressure.
Excellent verbal and written communication skills.
Pragmatic and solution-oriented approach, capable of balancing security requirements with operational feasibility and business needs.
Сrypto.com
Head of Custody Security
Dublin, Ireland
Dublin, Ireland
Full time
Hybrid
Responsibilities
Conduct, create, and execute testing of security controls across identity management, key management, and infrastructure (network and cloud) setups.
Assist with client assurance tasks, including addressing Requests for Proposals (RFPs), Requests for Information (RFIs), and Due Diligence Questionnaires (DDQs).
Recognize and assess trends in client inquiries and offer feedback to internal teams for enhancing documentation and control readiness.
Perform security due diligence and continuous monitoring for Web3/blockchain vendors, by evaluating their control maturity, reviewing SOC reports and security documents, and identifying any remaining risks.
Coordinate external audit activities, such as walkthroughs, gathering evidence, and tracking responses.
Pinpoint and study gaps in current and new processes, and then create and monitor remediation suggestions to completion (e.g., onboarding processes).
Develop and sustain knowledge of pertinent financial regulatory security requirements and guarantee control alignment.
Investigate and distribute details on information security best practices, emerging risks, and mitigation approaches with internal teams.
Evaluate and suggest next-generation security tools, automation, and technologies to enhance overall security stance.
Review potential security impacts on the platform resulting from blockchain network or protocol upgrades.
Requirements
Minimum of 8 years of suitable experience in security assurance, audit, compliance, or cloud security engineering.
Demonstrated proficiency in testing and affirming security controls within IAM, key management, and network/cloud environments.
Deep comprehension of Identity and Access Management (IAM) principles.
Familiarity with cryptographic key management, HSMs, and KMS systems.
Strong understanding of cloud and network security architecture and configuration.
Proven track record supporting SOC 1, SOC 2, ISO 27001, PCI DSS, or similar external audits and evaluations.
Exposure to leading cloud platforms (AWS, GCP, Azure) and infrastructure-as-code practices.
Experience in preparing client assurance materials, RFP/RFI/DDQ responses, and evidence documentation.
Knowledge of blockchain platforms or digital asset custody systems is advantageous.
Ability to work autonomously and handle demanding situations effectively.
Outstanding verbal and written communication skills.
Pragmatic and solution-driven mindset, capable of harmonizing security requirements with operational viability and business demands.
Conduct, create, and execute testing of security controls across identity management, key management, and infrastructure (network and cloud) setups.
Assist with client assurance tasks, including addressing Requests for Proposals (RFPs), Requests for Information (RFIs), and Due Diligence Questionnaires (DDQs).
Recognize and assess trends in client inquiries and offer feedback to internal teams for enhancing documentation and control readiness.
Perform security due diligence and continuous monitoring for Web3/blockchain vendors, by evaluating their control maturity, reviewing SOC reports and security documents, and identifying any remaining risks.
Coordinate external audit activities, such as walkthroughs, gathering evidence, and tracking responses.
Pinpoint and study gaps in current and new processes, and then create and monitor remediation suggestions to completion (e.g., onboarding processes).
Develop and sustain knowledge of pertinent financial regulatory security requirements and guarantee control alignment.
Investigate and distribute details on information security best practices, emerging risks, and mitigation approaches with internal teams.
Evaluate and suggest next-generation security tools, automation, and technologies to enhance overall security stance.
Review potential security impacts on the platform resulting from blockchain network or protocol upgrades.
Requirements
Minimum of 8 years of suitable experience in security assurance, audit, compliance, or cloud security engineering.
Demonstrated proficiency in testing and affirming security controls within IAM, key management, and network/cloud environments.
Deep comprehension of Identity and Access Management (IAM) principles.
Familiarity with cryptographic key management, HSMs, and KMS systems.
Strong understanding of cloud and network security architecture and configuration.
Proven track record supporting SOC 1, SOC 2, ISO 27001, PCI DSS, or similar external audits and evaluations.
Exposure to leading cloud platforms (AWS, GCP, Azure) and infrastructure-as-code practices.
Experience in preparing client assurance materials, RFP/RFI/DDQ responses, and evidence documentation.
Knowledge of blockchain platforms or digital asset custody systems is advantageous.
Ability to work autonomously and handle demanding situations effectively.
Outstanding verbal and written communication skills.
Pragmatic and solution-driven mindset, capable of harmonizing security requirements with operational viability and business demands.