Backend Developer (Node.js/NestJS) Offline

Role Overview

As a Backend Developer, you will develop and maintain backend services, integrate third-party APIs, and ensure the security and performance of our system. You will work closely with blockchain and payments services, contributing to a highly scalable and secure architecture.

Key Responsibilities

• Develop and maintain NestJS-based microservices in TypeScript
• Implement secure and scalable APIs using TypeORM and PostgreSQL
• Integrate third-party APIs, such as payment gateways, crypto exchanges, and KYC services
• Collaborate with the team to implement best coding practices and maintain high-quality code
• Participate in code reviews, debugging, and testing to ensure system reliability

• Work with blockchain integrations, including Web3.js/Ethers.js and private key management

   

Requirements

• 3-5 years of backend development experience, with 2+ years in Node.js/NestJS
• Strong TypeScript and NestJS skills
• Experience with PostgreSQL, TypeORM, and query optimization
• Experience in API development, authentication (JWT/OAuth), and encryption
• Knowledge of payment gateways, crypto exchanges, and KYC integrations is a plus
• Strong problem-solving skills and a willingness to learn new technologies
• Basic familiarity with blockchain technology, Web3.js/Ethers.js, and security best practices