KDB+ Developer
Status
London, UK
Full time
Office
Compensation is not specified
Role
Data Engineer
Description
About us:
B2C2 is a leading digital asset organization shaping the future ecosystem. The company facilitates institutional access to cryptocurrency by offering reliable liquidity in various market conditions. Leveraging crypto-native technology and continuous product innovation, B2C2 is a trusted partner for institutions worldwide. Founded in 2015 and acquired by Japanese financial group SBI in 2020, B2C2 operates as an independent entity. Headquartered in the UK, with additional offices in the US and Japan, B2C2 OTC Ltd. is authorized and regulated by the UK's Financial Conduct Authority.
We take pride in our inclusive company culture and our ability to attract top talent that aligns with our values. If you are seeking a role in a dynamic industry with an innovative company, keep reading.
Scope of the role
Responsibilities:
- Develop analytics solutions to offer insights into new and existing areas for management, traders, and quants
- Create data ingestion processes to gather and store large volumes of data from internal trading and external market systems
- Enhance data access framework for real-time dashboards, execution analytics, and market research
- Construct complex event processing (CEP) to monitor data anomalies and generate signals
- Improve system components for efficiency, robustness, and cost-effectiveness
- Engage in the full software development cycle: analysis, implementation, testing, release, and support
- Collaborate with traders, quants, and other KDB+ developers
Requirements:
- Based in the UK
- 4+ years of commercial experience in KDB+ development
- Clean and efficient coding practices
- Proactive, self-motivated, and confident
- Ability to work independently and collaboratively
- Strong desire to learn and keen attention to detail
Knowledgeable in most of the following areas:
- KDB+/q
- Linux and bash scripting
- Level 1 and Level 2 market data
- Big data management, analysis, and visualization
- Continuous integration
Knowledge of the following is advantageous:
- Python and Java
- Kafka and Redis
- KX Dashboard and Grafana
- Docker and Kubernetes
- Cloud-based KDB+ deployment
- Low latency and high-frequency trading
- Understanding of crypto, FX, and options markets
Additional Notes
This list of duties is not exhaustive, and you may be required to perform different tasks based on evolving roles within the company and its overall objectives.
Benefits
- Opportunities for rapid career growth in a performance-driven environment
- Regular performance reviews with discretionary cash bonuses every 6 months
- 25 days of holiday leave plus bank holidays
- Private Medical Insurance coverage
- Group Personal Pension plan with Royal London
- Group Income Protection
- Enhanced parental leave policies
- Hybrid/Flexible working arrangements
A strong values-driven culture is at the heart of B2C2's success:
- Ambitious - Pursuing world-class achievements
- Innovative - Forward-thinking in solutions for clients and employees
- Meritocratic - Recognizing positive contributions across the organization
- Collegiate - Achieving success through teamwork
- Risk Aware - Making informed decisions and maintaining considered practices
Equal Employment Opportunities Policy:
B2C2 is committed to providing equal employment opportunities to all applicants and employees. We welcome individuals from diverse backgrounds, and our recruitment, promotion, and development practices are guided by principles of fairness and inclusivity, regardless of race, color, religion, gender, age, disability, or other protected status. We value creating an inclusive environment to attract and retain top talent and may consider flexible working arrangements for all roles.
Skills Required
B2C2
Website
www.b2c2.comCompany size
Not specified
Location
United States
Description
Not specified
Status
Dredsoft Labs
Senior Backend Engineer
Full time
Remote
About the Role :
We are looking for a Backend Developer to join our remote team. As a key member of the development team, you will be responsible for building and maintaining APIs, handling data management, and integrating with the blockchain and other systems. You’ll work closely with the frontend developers to ensure seamless integration between the backend and the user-facing parts of the platform.
Responsibilities :
API Development: Design, implement, and maintain RESTful APIs to interact with the front-end and blockchain components of the platform.
Database Management: Work with relational databases (e.g., PostgreSQL) and NoSQL databases (e.g., MongoDB) to store and manage user data, property metadata, transactions, and more.
Blockchain Integration: Collaborate with the Smart Contract team to integrate the backend with blockchain technologies like Ethereum and Polygon (Web3 interactions).
Security & Performance: Implement security protocols to ensure platform safety and high performance, including handling user authentication, payment systems, and personal data management.
Collaboration with Frontend: While your focus is backend, a basic understanding of React and frontend development will help you collaborate effectively with the frontend team for API consumption and integration.
Troubleshooting & Debugging: Identify and resolve performance bottlenecks and bugs, improving both the backend and the overall user experience.
Documentation: Write clear and concise documentation for APIs, database structures, and integration processes to ensure smooth team collaboration and future scalability.
Requirements :
5+ years of backend development experience.
Strong knowledge of Node.js and Express.js.
Experience working with PostgreSQL, MongoDB, or other databases.
Familiarity with IPFS or cloud storage solutions is a plus.
Basic knowledge of React.js and frontend development (enough to collaborate effectively with frontend team).
Experience working with Web3 technologies (Ethereum, Polygon, Web3.js, Ethers.js) is preferred but not required.
Understanding of smart contracts and decentralized applications is a plus.
Security: Strong understanding of security best practices, especially in regard to blockchain interactions and user data.
Problem-Solving: Ability to debug, optimize, and troubleshoot complex systems.
Communication: Strong written and verbal communication skills, with the ability to document processes clearly and work in a remote team environment.
We are looking for a Backend Developer to join our remote team. As a key member of the development team, you will be responsible for building and maintaining APIs, handling data management, and integrating with the blockchain and other systems. You’ll work closely with the frontend developers to ensure seamless integration between the backend and the user-facing parts of the platform.
Responsibilities :
API Development: Design, implement, and maintain RESTful APIs to interact with the front-end and blockchain components of the platform.
Database Management: Work with relational databases (e.g., PostgreSQL) and NoSQL databases (e.g., MongoDB) to store and manage user data, property metadata, transactions, and more.
Blockchain Integration: Collaborate with the Smart Contract team to integrate the backend with blockchain technologies like Ethereum and Polygon (Web3 interactions).
Security & Performance: Implement security protocols to ensure platform safety and high performance, including handling user authentication, payment systems, and personal data management.
Collaboration with Frontend: While your focus is backend, a basic understanding of React and frontend development will help you collaborate effectively with the frontend team for API consumption and integration.
Troubleshooting & Debugging: Identify and resolve performance bottlenecks and bugs, improving both the backend and the overall user experience.
Documentation: Write clear and concise documentation for APIs, database structures, and integration processes to ensure smooth team collaboration and future scalability.
Requirements :
5+ years of backend development experience.
Strong knowledge of Node.js and Express.js.
Experience working with PostgreSQL, MongoDB, or other databases.
Familiarity with IPFS or cloud storage solutions is a plus.
Basic knowledge of React.js and frontend development (enough to collaborate effectively with frontend team).
Experience working with Web3 technologies (Ethereum, Polygon, Web3.js, Ethers.js) is preferred but not required.
Understanding of smart contracts and decentralized applications is a plus.
Security: Strong understanding of security best practices, especially in regard to blockchain interactions and user data.
Problem-Solving: Ability to debug, optimize, and troubleshoot complex systems.
Communication: Strong written and verbal communication skills, with the ability to document processes clearly and work in a remote team environment.
Dredsoft Labs
Frontend Engineer
Full time
Remote
About the Role :
We’re looking for a Frontend Developer with a solid foundation in React and modern front-end development. You’ll play a key role in building immersive and intuitive user interfaces for property browsing, token transactions, and 3D environments.
Responsibilities :
Build and maintain responsive web interfaces using React and TypeScript
Integrate with backend APIs and Web3 services (e.g., wallet auth, smart contract interaction)
Work with 3D designers to integrate Three.js models into the user experience
Optimize UI performance for high-load and mobile experiences
Collaborate with backend, blockchain, and AI teams for seamless end-to-end experiences
Contribute to design system and component libraries
Participate in code reviews and agile sprints
Requirements :
5+ years of experience in front-end development
Proficient in React.js, JS/TS, HTML5, CSS3
Familiarity with frontend state management (e.g., Redux, Zustand, or Context API)
Comfortable working with RESTful APIs and/or GraphQL
Basic understanding of Web3 or blockchain wallet integrations (MetaMask, WalletConnect)
Experience with responsive design and cross-browser compatibility
Version control with Git
We’re looking for a Frontend Developer with a solid foundation in React and modern front-end development. You’ll play a key role in building immersive and intuitive user interfaces for property browsing, token transactions, and 3D environments.
Responsibilities :
Build and maintain responsive web interfaces using React and TypeScript
Integrate with backend APIs and Web3 services (e.g., wallet auth, smart contract interaction)
Work with 3D designers to integrate Three.js models into the user experience
Optimize UI performance for high-load and mobile experiences
Collaborate with backend, blockchain, and AI teams for seamless end-to-end experiences
Contribute to design system and component libraries
Participate in code reviews and agile sprints
Requirements :
5+ years of experience in front-end development
Proficient in React.js, JS/TS, HTML5, CSS3
Familiarity with frontend state management (e.g., Redux, Zustand, or Context API)
Comfortable working with RESTful APIs and/or GraphQL
Basic understanding of Web3 or blockchain wallet integrations (MetaMask, WalletConnect)
Experience with responsive design and cross-browser compatibility
Version control with Git
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
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