Principal Architect

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/