Back End Developer

Location:  Onsite / Lahore, Pakistan

Company:  Bytevia Solution(SMC-Private) Limited

Employment Type: Full-time About Bytevia Solution:

Bytevia Solution is a fast-growing software company specializing in modern mobile and web applications. We are looking for a skilled Backend Developer to join our development team and help us build robust, scalable, and secure backend systems.

Responsibilities:

• Design, develop, and maintain RESTful APIs using Node.js and Express.js.
• Integrate third-party APIs and services (Stripe, PayPal, Twilio, Google APIs, etc.).
• Work with PostgreSQL, MySQL, MongoDB, and Redis for efficient data management and caching.
• Implement secure authentication and authorization using JWT, bcrypt, and Helmet.
• Handle file uploads and storage using Multer and AWS S3.
• Manage background jobs and scheduling tasks with Node-cron.
• Optimize API performance and scalability.
• Write clean, well-documented, and testable code using Swagger and Postman.
• Deploy and maintain applications using PM2, Nginx, Heroku, and GitHub.
• Collaborate closely with frontend and mobile teams to ensure smooth API integration.

Required Skills & Experience:Core Technologies

• Node.js, Express.js
• RESTful API Architecture

Databases

• PostgreSQL, MySQL/SQL, MongoDB, Redis

ORM / Query Builders

• Sequelize

Security & Auth

• JWT, bcrypt, Helmet, Rate Limiter, CORS

File & Media Handling

• Multer, AWS S3

Background & Scheduling

• Node-cron

Integrations & Services

• Stripe, PayPal, Paystack, 2Checkout
• DHL Express API
• Google APIs (Maps, Auth, etc.)
• Nodemailer (Emails), Twilio (SMS/Voice)

DevOps & Deployment

• PM2, Nginx, Heroku, GitHub

Caching & Realtime

• Redis, Socket.io

Documentation & Testing

• Swagger, Postman

Additional Requirements

• Strong command over Command Prompt / CLI tools.
• Experience in API performance optimization.
• Knowledge of secure deployment and version control best practices.
• Experience in projects like:
• E-commerce systems
• Directory listing platforms
• Real estate portals or agency sites

Preferred Qualifications:

• 2+ years of hands-on experience with Node.js backend development.
• Strong problem-solving skills and attention to detail.
• Good understanding of software design patterns and scalable architecture.
• Familiarity with Agile development practices.