Full Stack Engineer
Company: Cobay Technology Pvt. Ltd.
Location: Coimbatore (On-site)
Experience: 24 years
About the Role
We're hiring a Full Stack Engineer to help build and scale our multi-tenant SaaS platform for global e-commerce brands. You'll work across the MEVN stackbuilding high-performance UIs, scalable backend services, and reliable integrations that power millions of transactions.
This role is ideal for engineers who enjoy owning features end-to-end, solving technical challenges across the stack, and contributing to a fast-moving, product-focused engineering culture.
Key Responsibilities
- Develop scalable REST/GraphQL APIs, webhook handlers, and third-party integrations for multi-tenant workflows.
- Optimize performance across the stackquery tuning, Redis caching, UI state management, and API throughput.
- Contribute to system architecture decisions to ensure reliability, modularity, and scalability.
- Collaborate with product/design teams and perform code reviews to uphold engineering quality.
Technical Requirements
- Strong experience with Vue.js,React.js, Node.js, Express.js, and building production-ready full-stack applications.
- Solid understanding of REST/GraphQL APIs, async patterns, and building robust integrations/webhooks.
- Proficiency in MongoDB (aggregation, indexing, performance tuning) and Redis for caching and rate limiting.
- Hands-on experience with AWS (EC2, SQS, Lambda), Docker, and CI/CD automation.
- Strong focus on performance & scalabilityoptimizing latency, handling high concurrency, and designing fault-tolerant systems.
- Good testing and code-quality practices (Jest, ESLint, Git workflows, code reviews).
Bonus Skills
- Experience with multi-tenant SaaS platforms
- TypeScript, serverless architectures, Kubernetes
- Experience integrating Shopify, WooCommerce, Amazon, or other marketplaces
Why Join Us
- Work on a global-scale SaaS platform from the ground up
- High ownership, impactful work, and fast growth opportunities
- A strong engineering culture focused on clean architecture and product excellence
