Full Stack Developer

Nine to Five (9to5 – B2B SaaS Company)Full Stack Developer (3–5 Years Experience)

Build. Scale. Integrate.

About Us

9to5 is an enterprise internal commerce and fulfilment platform that helps companies manage branded merchandise, kits, and workplace essentials through dedicated portals, centralized warehousing, and pan-India delivery.

Our platform powers internal storefronts, inventory systems, and fulfilment workflows for enterprises, integrating deeply with WMS, OMS, and third-party dashboards to enable seamless operations at scale.

The Role

We are looking for an experienced Full Stack Developer with 3–5 years of hands-on experience in building and scaling SaaS platforms. This role involves working on revamping and scaling our internal commerce platform, integrating WMS and OMS systems, and implementing secure, role-based enterprise access.

You will play a critical role in strengthening our SaaS portal architecture, improving system performance, and enabling reliable integrations across warehousing, fulfilment, and client-facing dashboards.

Key Responsibilities

• Develop and maintain scalable web applications using React.js
• Build responsive, high-performance user interfaces using HTML, CSS, and JavaScript
• Design, integrate, and maintain backend workflows supporting WMS and OMS systems
• Integrate third-party dashboards, APIs, and enterprise tools
• Implement Google email ID–based authentication and authorization (OAuth / SSO)
• Build and manage role-based access control (RBAC) for enterprise users
• Collaborate with product, design, and operations teams to translate requirements into technical solutions
• Ensure application security, scalability, and performance
• Debug, optimize, and maintain existing systems
• Support deployment, monitoring, and production stability

What We’re Looking For

• 3–5 years of experience as a Full Stack Developer
• Strong proficiency in React.js
• Strong working knowledge of HTML, CSS, and JavaScript
• Hands-on experience with WMS and OMS systems or integrations
• Solid understanding of SaaS architecture and multi-tenant platforms
• Experience implementing Google email–based authentication
• Strong understanding of authorization, permissions, and user roles
• Experience with REST APIs and third-party integrations
• Strong problem-solving and debugging skills

Good to Have

• Experience with enterprise SaaS or internal commerce platforms
• Familiarity with cloud platforms (AWS / GCP / Azure)
• Exposure to CI/CD pipelines and deployment workflows
• Experience working in fast-paced startup environments

Why Join 9to5

• Build a core enterprise platform used by leading companies
• Work on real-world commerce, fulfilment, and logistics problems
• High ownership and direct impact on product direction
• Opportunity to scale systems used pan-India

Job Type: Full-time

Pay: ₹700,000.00 - ₹800,000.00 per year

Work Location: In person