Location: Remote / Singapore-based (preferred)
Engagement: Freelance / Project-based
Remuneration: Profit-sharing model
About the Project
We are developing a private blockchain platform designed to support secure transactions, digital assets, and smart contract functionalities.
We are seeking a hands-on Blockchain Expert experienced with Hyperledger Fabric who can architect, implement, and maintain the entire blockchain infrastructure from scratch.
This is a confidential project with long-term potential and shared success through a profit-sharing arrangement.
Key Responsibilities
- Design and implement a private blockchain architecture using Hyperledger Fabric.
- Set up and configure Orderers, Peers, Certificate Authorities, and Channels.
- Develop and deploy smart contracts (chaincode) in Go, , or Java.
- Design and integrate tokenization and digital wallet frameworks.
- Establish security policies, governance models, and access control mechanisms.
- Integrate blockchain services with backend systems and APIs.
- Conduct performance tuning, architecture reviews, and ongoing support and maintenance.
- Provide technical documentation, deployment guides, and operational best practices.
Required Skills & Experience
Blockchain & Hyperledger Fabric
- Proven experience with private permissioned blockchain development.
- Deep knowledge of Fabric architecture, MSP, channel configuration, chaincode lifecycle, and consensus mechanisms.
- Hands-on experience with Fabric CA, SDKs, and network automation.
Tokens, Wallets & Digital Assets
- Strong understanding of token issuance, management, and transfer logic within private blockchain ecosystems.
- Experience building or integrating digital wallets, key management systems, and secure identity frameworks.
- Familiarity with token standards, access control, and asset governance models.
Infrastructure & DevOps
- Strong experience deploying blockchain networks using
Docker
,
Kubernetes
, or Helm.
- Proficiency in
Linux
system administration
, CI/CD pipelines
, and cloud environments (AWS, Azure, or GCP).
- Knowledge of network security, TLS certificate management, and infrastructure monitoring.
Backend & Integration
- Proficient in
, Go, or Python.
- Experience designing
RESTful APIs
and integrating blockchain layers with application backends.
- Familiarity with
PostgreSQL
, MongoDB, or CouchDB.
Soft Skills
- Strong problem-solving and analytical thinking.
- Ability to work independently and take ownership of full lifecycle implementation.
- Excellent communication and documentation skills.
- Entrepreneurial mindset and openness to a profit-sharing collaboration.
Engagement Model
- Freelance position
,
remote-friendly
, with flexible work arrangements.
- Remuneration based on profit sharing
, linked to project milestones and performance.
- Potential for long-term collaboration or core contributor status based on contribution and results.