Senior Backend Developer

Description

• Design, develop, and maintain microservices within our Lerna-managed monorepo (Express.js, NestJS) • Architect scalable solutions for high-throughput financial data processing • Optimize database performance across MySQL instances using both Prisma and Sequelize ORMs • Implement robust message queue systems using AWS SQS and BullMQ/Redis • Lead code reviews and mentor junior developers on best practices • Collaborate on API design and maintain OpenAPI specifications • Ensure system reliability through comprehensive testing (Jest) • Participate in CI/CD pipeline improvements using Jenkins • Debug and optimize production issues across distributed services.

Requirements

• 5+ years of production Node.js experience • Expert-level TypeScript knowledge with strong understanding of type inference and advanced patterns • Database expertise: MySQL optimization, query performance tuning, migration strategies • ORM experience: Familiarity with both modern (Prisma) and legacy (Sequelize) ORMs • Message queuing: Production experience with SQS, Redis/BullMQ, or similar • Monorepo management: Experience with Lerna, Yarn workspaces, or similar tools • Testing expertise: Unit, integration, and E2E testing strategies • Docker & containerization: Multi-stage builds, orchestration, optimization.

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