Opportunity brief
Zynvixs Pvt. Ltd. is hiring for Full-Stack Developer!
About the Company:
Zynvixs Pvt. Ltd. is seeking a motivated Full-Stack Developer for freelance or remote development opportunities. We are interested in long-term freelance projects where the developer can take responsibility for features from development through deployment and provide reliable technical support.
Responsibilities:
- Develop responsive and user-friendly web applications.
- Build reusable frontend components.
- Develop secure backend APIs.
- Design and manage databases.
- Integrate payment gateways and third-party services.
- Implement authentication and authorization.
- Debug and fix existing applications.
- Optimize website performance.
- Deploy applications to production.
- Maintain and update existing projects.
- Communicate progress clearly with clients.
- Work independently and meet agreed deadlines.
Requirements:
We are looking for a Junior to Mid-Level Full-Stack Developer with experience in modern web applications. The ideal candidate will have strong technical skills across both frontend and backend development, including UI development, APIs, databases, authentication, payment integrations, third-party APIs, deployment, and ongoing maintenance.
Technical Skills:
- Frontend: HTML5, CSS3, JavaScript, React.js, Next.js, Tailwind CSS, Responsive Web Design, REST API integration
- Backend: Node.js, Express.js, REST APIs, Authentication & Authorization, JWT, API integrations
- Database: PostgreSQL, MySQL, MongoDB, Database design and CRUD operations
- Integrations: Razorpay / Payment Gateway, Email APIs, WhatsApp APIs, Google Maps APIs, Delivery & Tracking APIs, Third-party API integrations
- Development Tools: Git, GitHub, VS Code, Postman, npm, Docker
- Deployment: Vercel, AWS, Cloudflare, Linux server deployment, Domain and SSL configuration
We are particularly interested in projects involving SaaS, e-commerce, business automation, APIs, payment systems, and AI-powered applications.