Backend Engineer (Mid–Senior) — Forex CRM Platform

• Develop and maintain backend services, REST APIs, and business logic using TypeScript and Node.js. • Build backend features for CRM, customer management, onboarding, KYC, trading accounts, deposits, withdrawals, and transaction workflows. • Design and maintain PostgreSQL schemas, queries, migrations, and transactions. • Ensure data consistency, financial precision, validation, and secure handling of sensitive information. • Integrate internal services and third-party APIs, handling errors, timeouts, retries, webhooks, and duplicate requests. • Implement asynchronous processing, background workers, scheduled jobs, and messaging workflows. • Use Redis for caching, sessions, and other appropriate use cases. • Implement authentication, authorization, input validation, and application-level security controls. • Write clean, testable, and maintainable code with appropriate unit and integration tests. • Participate in code reviews, technical discussions, estimations, and troubleshooting. • Identify technical risks and blockers early, and take ownership of features from requirements through testing and release. • Collaborate with frontend engineers, QA, senior engineers, and Product teams to deliver reliable solutions. • Understand requirements, clarify ambiguities, and identify edge cases before implementation. • Break down features into manageable tasks and provide realistic estimates. • Follow established architecture, coding standards, and security practices. • Investigate root causes, communicate risks and blockers early, and contribute constructively to code reviews. • Take ownership of assigned features through implementation, testing, and release. • Experience with Bun, Elysia, Drizzle Kit, NATS/JetStream, ClickHouse, OpenTelemetry, XState, TypeBox, or Zod. • Experience with S3-compatible storage, Docker, CI/CD, and distributed or service-oriented systems. • Experience with background processing, scheduled jobs, and event-driven architectures. • Background in forex, brokerage, fintech, banking, payments, or financial CRM platforms. • Familiarity with MT4/MT5 integrations, trading accounts, customer management, KYC/AML, deposits, withdrawals, transfers, balances, fees, and reconciliation. • Experience with multi-currency applications and CRM lead management, sales, or customer-service workflows.