Backend Engineer: Flexible, Scalable APIs & Cloud

Syncrux SMN Digital Services LLC; Pakistan; Remote; PKR 2,400,000 - 3,600,000; Full time

Benefits offered by this job

Competitive pay

Growth opportunities

Flexible work

Innovative environment

Modern tech stack

Job summary

Syncrux SMN Digital Services LLC is seeking a talented Backend Developer to join our growing engineering team in Pakistan. You will design, develop, test, and maintain scalable server-side services and APIs powering web and mobile apps, collaborating with frontend, mobile, design, and product teams.

The ideal candidate has 2+ years of backend experience with Node.js/Express.js, experience with MongoDB or SQL databases, and a strong grasp of RESTful APIs, authentication (JWT/OAuth), and scalable

Qualifications

• 2+ years of professional backend development experience.
• Strong proficiency in Node.js and Express.js.
• Experience with MongoDB, PostgreSQL, or MySQL.
• Solid understanding of RESTful API architecture and best practices.
• Familiarity with authentication methods such as JWT and OAuth.
• Experience with Git version control and collaborative workflows.
• Knowledge of cloud deployment and server management.
• Understanding of data structures, asynchronous programming, and scalability.
• Strong analytical and problem-solving skills.
• Good communication and teamwork abilities.

Responsibilities

• Build server-side logic, database architecture, authentication systems, and third-party integrations.
• Design, develop, and maintain scalable backend services and RESTful APIs.
• Build secure authentication and authorization systems using JWT/OAuth.
• Develop and optimize database structures, queries, and relationships.
• Integrate external APIs, payment gateways, and cloud-based services.
• Collaborate with frontend and mobile developers for seamless integration.
• Troubleshoot, debug, and improve existing backend systems.
• Write reusable, clean, and well-documented code.
• Implement server-side validation, security, and performance optimizations.
• Participate in code reviews, technical discussions, and architecture planning.
• Monitor application performance and ensure system reliability.
• Assist in deployment processes and CI/CD pipeline management.

Skills

Backend development

RESTful APIs

JWT/OAuth

Git

Asynchronous programming

Scalability

Tools

Node.js

Express.js

MongoDB

PostgreSQL

MySQL

Redis

WebSockets

AWS

Firebase

DigitalOcean

Docker

TypeScript

Job description

Syncrux SMN Digital Services LLC is seeking a talented Backend Developer to join our growing engineering team in Pakistan. You will design, develop, test, and maintain scalable server-side services and APIs powering web and mobile apps, collaborating with frontend, mobile, design, and product teams.

The ideal candidate has 2+ years of backend experience with Node.js/Express.js, experience with MongoDB or SQL databases, and a strong grasp of RESTful APIs, authentication (JWT/OAuth), and scalable