Ahsan Atta

Backend Engineer

Available NowFull-timeRemote

About

Backend Engineer with 4 years of experience building production-grade APIs, fintech platforms, SaaS systems, and marketplace backends using Node.js, NestJS, TypeScript, PostgreSQL, and Redis. Specialized in backend architecture, REST API design, payment workflows, and database performance optimization for systems handling thousands of daily transactions and 10K+ daily API requests.

Skills

Node.jsNestJSExpress.jsTypeScriptJavaScriptPostgreSQLMySQLMongoDBRedisPrismaMongooseREST APIsWebSocketsSocket.ioBullMQJWTHMAC-SHA256RBACRate LimitingQuery OptimizationIndexingMulti-Tenant SystemsAPI DocumentationStripePayPalPaystackSasaPayWebhooksAWSAWS KMS

Experience

Backend Engineer
ZAPTA Technologies (Pvt.) Limited
March 2025 - Present
Backend Engineer
Planlab Solutions
March 2024 - March 2025
Backend Engineer
WebWrite Inc.
October 2022 - March 2024

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