Senior Full-Stack Engineer (Backend-Focused)

Experience: 6-8 yearsLocation: RemoteType: Full-timeCore Backend Requirements6–8 years of professional software engineering experience.Strong expertise in TypeScript and Node.js.Extensive production experience with Express.js.Strong experience with PostgreSQL (SQL): Schema and index design Transactions MigrationsStrong experience with MongoDB (NoSQL): Schema modeling Query optimizationExperience building and maintaining REST APIs used by mobile apps, web apps, and external partners.Frontend / Full-Stack RequirementsSolid experience building web applications using React, NextJS.Comfortable working with: Component-based architectures API-driven frontend development Authentication and authorization flowsAble to debug frontend issues that span API ↔ UI boundaries.Systems & IntegrationsStrong understanding of: Async workflows and background jobs Idempotency and retries Race conditions and concurrencyExperience integrating with third-party APIs and webhooks.Experience designing multi-step workflows (payments, schedules, renewals).Infrastructure & OpsExperience deploying and operating services on AWS.Hands-on experience with Docker.Familiarity with CI/CD pipelines.Comfortable debugging production issues across the stack.Bonus / Nice to HaveExperience with Python + Django.Experience with E2E testing.Experience in fintech, payments, or transactional systems.Experience with compliance-driven systems.

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