Design, develop, and maintain enterprise-grade blockchain applications and distributed systems using Java and TypeScript. Build smart contracts on platforms like Ethereum and Hyperledger, implement RESTful APIs and microservices, integrate wallets and tokenization, and ensure security, scalability, and performance. Collaborate with architects, DevOps, and product teams; perform code reviews, testing, troubleshooting, and production support.
We are seeking a highly skilled Java & TypeScript Blockchain Developer to design, develop, and maintain enterprise-grade blockchain applications and distributed systems. The ideal candidate will have strong expertise in Java, TypeScript, API development, cloud technologies, and blockchain platforms, with the ability to build secure, scalable, and high-performance solutions.
Responsibilities
- Design, develop, and maintain blockchain-based applications using Java, TypeScript, and modern frameworks.
- Develop and integrate smart contracts on blockchain platforms such as Ethereum, Hyperledger Fabric, Polygon, Solana, or other enterprise blockchain networks.
- Build and maintain RESTful APIs, microservices, and backend systems supporting blockchain transactions and integrations.
- Develop frontend applications using TypeScript, Angular, React, or Node.js to interact with blockchain networks.
- Integrate blockchain solutions with enterprise systems, databases, and external platforms.
- Implement secure transaction processing, digital signatures, wallet integrations, and tokenization solutions.
- Participate in architecture discussions and contribute to blockchain solution design.
- Optimize application performance, scalability, security, and reliability.
- Collaborate with cross-functional teams including architects, business analysts, DevOps engineers, and product owners.
- Perform code reviews, testing, troubleshooting, and production support activities.
Profile
- Bachelor's degree in Computer Science, Information Technology, or related field.
- Experience in Banking, Financial Services, FinTech, Digital Assets, or Web3 projects.
- Knowledge of blockchain security, governance, and compliance frameworks.
- Understanding of DeFi, NFTs, CBDC, tokenisation, or digital asset platforms.
- Blockchain certifications (Hyperledger, Ethereum, ConsenSys, etc.) are advantageous.
- Nice to Have
- Kafka or messaging platforms
- GraphQL
- MongoDB, PostgreSQL, MySQL
- Web3.js, Ethers.js
- Blockchain interoperability frameworks
- Experience with enterprise blockchain solution architecture
VISEO Singapore, Singapore, SGP Office
135 Cecil Street, #09-01 MYP Plaza, Singapore, Singapore
Similar Jobs
Big Data • Food • Hardware • Machine Learning • Retail • Automation • Manufacturing
Lead SEA marketing and pricing analytics including MMM, pricing analytics, and category forecasting. Deliver ROI analyses, optimize media and portfolio spend, improve forecasting models, drive continuous analytics innovation, synthesize multi-source data into actionable insights, present recommendations, and run stakeholder workshops to support annual and strategic planning.
Top Skills:
EuromonitorExcelForecasting SimulatorsHousehold Consumer PanelMedia DatabasesMekko ChartsNielsen AnswersNielsen Insight StudioPowerPointPricing SimulatorsSocial Listening ToolsWord
Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
Lead strategic planning and execution for business growth across Vietnam and Thailand by collaborating with cross-functional teams, managing operations, and overseeing talent development.
eCommerce • Fashion • Retail • Sales • Wearables • Design
The Developer will support footwear production, manage development projects, coordinate sourcing, ensure accurate specifications, and communicate between teams.
Top Skills:
ExcelOffice SoftwarePowerPointWord
What you need to know about the Singapore Tech Scene
The digital revolution has driven a constant demand for tech professionals across industries like software development, data analytics and cybersecurity. In Singapore, one of the largest cities in Southeast Asia, the demand for tech talent is so high that the government continues to invest millions into programs designed to develop a talent pipeline directly from universities while also scaling efforts in pre-employment training and mid-career upskilling to expand and elevate its workforce.
