About The Role
We are seeking an experienced and highly skilled
Principal Architect with deep expertise in
backend systems design and
blockchain technology. The ideal candidate will be responsible for designing scalable backend architectures, leading the development of secure and efficient blockchain/crypto currency integrated systems, and providing technical leadership to cross-functional teams.
The ideal candidate should also have worked extensively with
Node.js, TypeScript/JavaScript, and
MySQL, and must bring deep architectural and system design experience .
Responsibilities: .
- Design and define high-level backend architecture and system components, ensuring scalability, performance, security and reliability.
- Lead the design and integration of blockchain components into existing and new product ecosystems.
- Define and enforce architectural standards and guidelines; conduct architecture reviews.
- Collaborate closely with Product, Engineering, and Security teams to deliver well-architected and scalable solutions.
- Evaluate and integrate emerging technologies and blockchain protocols suitable for business use cases.
- Drive POCs and technical feasibility assessments for new products and features.
- Conduct code reviews and mentor engineers on architectural principles and modern development techniques.
- Ensure security, data integrity, and compliance with industry best practices and standards.
Desired Candidate Profile
- 15+ years of experience in backend development and system architecture.
- Proven experience designing and implementing scalable backend systems using Node.js and TypeScript/JavaScript.Strong expertise in MySQL or other relational databases.
- Hands-on experience with blockchain protocols, smart contracts, or decentralized application development.
- Solid understanding of RESTful APIs, microservices, event-driven architecture, and authentication protocols (OAuth, JWT, etc.).
- Exposure to cloud platforms such as AWS, GCP, or Azure.
- Good to have - experience with Layer 1/Layer 2 blockchain solutions (e.g., Ethereum, Polygon, Solana).
About Liminal
Liminal is a compliant and insured digital asset custody and wallet infrastructure provider. Launched in April 2021, Liminal Custody is a CCSS Level 3, SOC Type 2, and ISO 27001 & 27701 certified organization. Based in Singapore, Liminal has operations spread across APAC, MENA, and Europe, along with offices in Singapore,Taiwan , India, and UAE. The company has received an initial approval from VARA. Liminal takes pride in supporting businesses with its qualified and insured custody (self and institutional) that enables stress-free safekeeping of digital assets for institutions. It also provides a cutting-edge wallet infrastructure platform that is secure, compliant, and automated and comes with a plug-and-play architecture for faster onboarding of developers, business partners, and government agencies.
Our website - https://www.liminalcustody.com/
