MeridianSquare.Global is building CubeSquare, our Digital Property Infrastructure™ platform for regulated real-estate tokenization, initially focused on the UAE and expanding into international markets.

We are looking for hands-on Lead Backend & Database Engineers to take ownership of CubeSquare's backend services and PostgreSQL data architecture.

This is not a pure architect or DBA role. We need someone who can design the schema, define the API, write production code, optimize the database, and troubleshoot the system in production.

You will work closely with our Lead Full Stack Engineers, Frontend Developers, UI Designers and product/architecture leadership.
What You'll Do
Design and build backend services using Node.js and TypeScript
Own the PostgreSQL schema from design through production
Build secure, versioned REST APIs
Design data models for investors, identity/KYC, properties, ownership, transactions, wallets, documents and audit records
Implement database constraints, indexes, transaction boundaries and referential integrity




Optimize PostgreSQL using EXPLAIN / EXPLAIN ANALYZE, indexing and query profiling
Diagnose slow queries, N+1 patterns, locking, concurrency and connection-pool issues
Design secure, reversible database migrations
Build multi-tenant data isolation and authorization into the platform
Implement financial-grade patterns including idempotency, reconciliation, immutable audit history and transaction integrity
Build integrations with external KYC/KYB, custody, payment, banking and blockchain infrastructure
Integrate with institutional infrastructure including Fireblocks and KYC/KYB providers
Implement secure authentication, authorization, RBAC and protection of PII/financial information
Work with AWS services including RDS/Aurora PostgreSQL, S3, ECS, IAM, CloudWatch and Secrets Manager
Establish backend engineering, database and API standards as CubeSquare scales
Required Qualifications
4–7+ years of professional backend engineering experienc

📌 Lead Backend (India)
🏢 MeridianSquare
📍 India