About the Role

We are looking for a highly skilled, intelligent, and technically strong Full Stack Developer with hands-on experience in Next.js, NestJS, and modern web application development.

The ideal candidate should have experience developing complex ERP, CRM, SaaS, or enterprise-level applications and should be comfortable handling both frontend and backend development.

We are particularly interested in developers who are highly proficient in using AI-powered coding tools to accelerate development, improve code quality, debug complex issues, and build production-ready applications.

This is an opportunity to work on challenging, large-scale software products involving business automation, enterprise workflows, financial integrations, APIs, and mobile application backends.

We need a developer who can think independently, understand architecture, solve problems, and take complete ownership of development tasks.

Key Responsibilities

- Design, develop, and maintain scalable web applications using Next.js and NestJS.
- Build up-to-date, responsive, high-performance frontend applications.
- Develop robust backend services, REST APIs, and business logic.
- Design scalable database structures, relationships, indexes, and optimized SQL queries.
- Develop complex ERP/CRM modules, business workflows, role-based access systems, and multi-tenant architectures.
- Build and maintain API integrations with third-party platforms, payment gateways, and external services.
- Develop backend services and APIs that support Android and iOS mobile applications.
- Implement authentication, authorization, security mechanisms, and data validation.
- Optimize application performance, database queries, API response times, and server resources.
- Work with AI coding assistants to accelerate development, debugging, code reviews, refactoring, and testing.
- Write clean, reusable, modular, maintainable, and well-documented code.
- Identify and resolve technical issues independently.
- Collaborate with UI/UX designers, testers, project managers, and other developers.
- Participate in code reviews, architecture discussions, deployment, and production support.

Mandatory Technical Skills





Frontend Development

- Solid hands-on experience with Next.js and React.js.
- Excellent knowledge of JavaScript and TypeScript.
- Experience with modern frontend architecture, reusable components, hooks, and state management.
- Strong HTML5, CSS3, responsive design, and UI integration skills.
- Experience with Tailwind CSS or similar styling frameworks.
- Understanding of frontend performance optimization and SEO fundamentals.

Backend Development

- Strong hands-on experience with NestJS and Node.js.
- Excellent understanding of TypeScript and backend application architecture.
- Experience developing RESTful APIs and integrating third-party APIs.
- Knowledge of authentication, JWT, OAuth2, RBAC, guards, middleware, and API security.
- Experience with background jobs, queues, scheduled tasks, event-driven architecture, and caching.
- Understanding of microservices architecture and scalable backend design.

Database & Architecture

- Strong experience with PostgreSQL and/or MySQL.
- Excellent understanding of relational database design, normalization, indexing, joins, transactions, and query optimization.
- Experience designing complex database schemas for ERP/CRM applications.
- Understanding of multi-tenant SaaS architecture.
- Experience with Redis, caching, and database performance optimization.
- Ability to understand and maintain large existing codebases.

AI-Assisted Development – Very Important We are looking for a developer who can effectively use modern AI development tools as part of their everyday engineering workflow.

Experience with tools such as:

- Claude Code
- Cursor
- GitHub Copilot
- OpenAI Codex
- Other AI-powered development agents.

The candidate should know how to:
- Use AI agents to understand and navigate large codebases.




- Generate, refactor, and optimize production-quality code.
- Use AI for debugging, root-cause analysis, and resolving complex issues.
- Develop features using structured prompts and well-defined technical instructions.
- Review AI-generated code and identify incorrect logic, security vulnerabilities, and performance issues.
- Use AI for automated testing, documentation, and code quality improvements.
- Manage AI-assisted development without compromising architecture, security, or maintainability.

Important: We need someone who understands programming fundamentals deeply and uses AI as a powerful engineering tool, not someone who blindly copies AI-generated code. ERP / CRM / SaaS Experience

Candidates with experience developing or maintaining complex ERP, CRM, or enterprise SaaS applications will be given high priority.

You should understand

- Multi-module business applications.
- Complex business workflows and interconnected modules.
- Role-based permissions and access control.
- Multi-company and multi-tenant systems.
- Financial transactions, billing, subscriptions, and payment workflows.
- Dynamic forms, configurable fields, reports, dashboards, and data management.
- Large relational databases and data consistency.
- Third-party API integrations and automation.

Mobile Application Backend Experience Experience supporting mobile applications is highly desirable.

- Building APIs for Android and iOS applications.
- Mobile authentication and secure API communication.
- Push notifications and real-time communication.
- File uploads, media management, and cloud storage.
- Background processing and synchronization.
- API versioning and mobile application compatibility.

How to Apply Please submit your CV along with your GitHub/portfolio, if available.

When applying, mention the most complex backend, SaaS, ERP/CRM or AI-integrated project you have worked on and your specific contribution to it.

Job Types: Full-time, Permanent

Pay: ₹30,000.00 - ₹60,000.00 per month

Experience

- Backend Developer: 3 years (Required)

Work Location: In person

📌 Full Stack Developer – Next.js & NestJS | ERP / SaaS (Kaloor)
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📍 Kaloor