Blockchain Architect (all genders) - Up to 100% REMOTE possible
21XGermany2 days ago
Full-timeRemote FriendlyInformation Technology
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Overview
Tasks
21X is a Frankfurt-based fintech at the forefront of revolutionizing capital markets through the use of blockchain technology for the trading and settlement of digital securities.
In December 2024 we secured our license to launch and operate a ground-breaking DLT trading and settlement system (DLT TSS) trading venue, a milestone that positions the company as a leader in the transition to digital finance.
21X is ideally positioned to enable smart contract-based issuance, trading and settlement of tokenized stocks, bonds and funds, offering unparalleled transparency, efficiency and security.
The exchange 21X was launched in September 2025, bringing the future of capital markets to life.
We are a highly motivated global team of experts with a deep knowledge of capital markets, digital assets and public blockchains.
- Full-Time (40h/week) with home office possibility
Tasks
- Design and implement blockchain solutions, integrating them into our existing trading systems.
- Lead the development of smart contracts and the implementation of decentralised applications (dApps).
- Work with cross-functional teams to ensure seamless integration of blockchain technology.
- Provide technical leadership in blockchain projects.
- Stay up to date with the latest blockchain technologies and trends.
- Ensure all blockchain solutions meet security, compliance, and regulatory requirements.
- Develop and document technical specifications.
- Mentor and support team members in blockchain technology and related areas.
- Solid experience in blockchain technology and architecture, preferably in the financial services sector.
- Strong knowledge in one or more blockchain platforms, such as Ethereum, Polygon or others.
- Experience with smart contracts and dApp development.
- Proficient in Solidity
- Familiarity with blockchain security practices.
- Strong analytical and problem-solving skills.
- Excellent communication and collaboration abilities.
- A passion for blockchain technology and its potential in the financial industry.
- Impact: At 21X you can make a difference. Take your chance to help shape the world of finance with your skills
- Growth: You have the opportunity to be part of a rapidly growing company with great opportunities for further training and advancement
- Appreciation: We welcome your experience and skills – 21X is always open to your suggestions and ideas
- Responsibility: Take responsibility and set your own goals to be able to use your full potential
- Flexibility: Whether Early Bird or Night Owl - find your ideal working rhythm
21X is a Frankfurt-based fintech at the forefront of revolutionizing capital markets through the use of blockchain technology for the trading and settlement of digital securities.
In December 2024 we secured our license to launch and operate a ground-breaking DLT trading and settlement system (DLT TSS) trading venue, a milestone that positions the company as a leader in the transition to digital finance.
21X is ideally positioned to enable smart contract-based issuance, trading and settlement of tokenized stocks, bonds and funds, offering unparalleled transparency, efficiency and security.
The exchange 21X was launched in September 2025, bringing the future of capital markets to life.
We are a highly motivated global team of experts with a deep knowledge of capital markets, digital assets and public blockchains.
Key Skills
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