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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 safe, 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 experience At least 2 years owning production PostgreSQL schema design and performance Strong Node.js + TypeScript production experience Deep PostgreSQL knowledge including: schema design advanced SQL constraints indexing transactions concurrency/locking EXPLAIN / EXPLAIN ANALYZE migrations Experience designing a production relational schema from scratch Experience with Prisma or another modern ORM, with the ability to use raw SQL where appropriate Experience building secure REST APIs Experience with multi-tenant applications and tenant data isolation Experience integrating complex third-party APIs using OAuth/tokens, webhooks, retries, rate limits and failure recovery Understanding of idempotency, reconciliation and auditability in financial or transactional systems AWS, Docker, Git and CI/CD experience Strong understanding of application security and protection of PII and financial data Preferred Fintech, payments, investment, digital assets or regulated SaaS experience Redis and asynchronous/event-driven processing SQS, RabbitMQ or Kafka KYC/KYB integrations Fireblocks or institutional custody API experience Observability using CloudWatch, OpenTelemetry, Grafana, Datadog or similar Experience using AI-assisted development tools while independently reviewing and validating generated code, SQL and architecture Blockchain/Solidity/ERC-3643 development is not required. Smart-contract development is a separate specialist function.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.