About this job
A2 IT is looking for an experienced Senior Full-Stack Developer who can independently develop, maintain, debug, test and deploy production-level web applications. The candidate will work on e-commerce platforms, business websites, internal management systems and custom client projects. Key Responsibilities:
- Develop and maintain scalable web applications using React.js, Node.js, Express.js and modern JavaScript technologies.
- Develop, maintain and improve REST APIs, backend services and database architecture.
- Work with MongoDB and other databases as required.
- Maintain and improve existing production applications and identify the root cause of recurring technical issues instead of applying temporary fixes.
- Develop reusable modules and architecture that can be customized safely for multiple client projects.
- Handle frontend development, responsive design and API integration.
- Implement authentication, authorization, user roles and secure data handling.
- Integrate third-party services such as payment gateways, SMS, email, courier APIs, social login and other external APIs.
- Deploy and maintain applications on VPS/Linux servers using Nginx, PM2, environment configuration, SSL and domain/DNS settings.
- Troubleshoot production issues using application/server logs and provide permanent solutions.
- Use Git/GitHub properly for version control, branching, code review and rollback.
- Perform proper testing before deployment and ensure that new changes do not break existing functionality.
- Maintain backups and support safe database/application recovery procedures.
- Review existing codebases and improve code quality, security, performance and maintainability.
- Work with other developers and provide technical guidance/code review when required.
- Estimate development time realistically and communicate technical risks before committing to deadlines.
- Support multiple ongoing client projects while maintaining quality and delivery schedules.
- Document important technical changes, deployment procedures and recurring issue resolutions.
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