**Employment Type:** Full\-Time **Experience Level:** 3\+ Years (Strong CRM/ERP Background Required) **Role Overview** We are looking for an experienced **Backend Developer** to join our product development team and work on a new\-generation **SaaS platform** involving CRM, ERP, business automation, AI integrations, third\-party APIs and large\-scale data management. We are looking for someone who is strong in backend engineering and can take ownership of developing **scalable, secure and high\-performance systems**. Key Responsibilities * Design, develop and maintain scalable backend applications and services. * Build robust **REST APIs** for web and mobile applications. * Develop complex SaaS modules involving CRM, ERP, customer management, quotations, bookings, operations, vendors, suppliers and business workflows. * Integrate AI/LLM capabilities into SaaS products and business processes. * Work with **Laravel and Node.js/NestJS**. * Design efficient database structures for large\-volume applications. * Develop background jobs, queues, scheduled tasks and automated workflows. * Integrate payment gateways, third\-party APIs and external services. * Implement authentication, authorization and role\-based access control. * Optimize database queries, API performance and backend processes. * Troubleshoot production issues and improve application reliability. * Work with cloud infrastructure and deployment environments. * Participate in architecture discussions and technical decision\-making. * Write clean, reusable, secure and maintainable code. **Required Skills** * Strong experience with **Laravel \& PHP** * Strong experience with **Node.js** * Good working knowledge of **NestJS** * Strong REST API development experience * Experience with third\-party API integrations * Good understanding of software architecture and design patterns **Database \& Large Data Management** * Strong **MySQL \& PostgreSQL** experience * Database design and optimization * Query optimization and indexing * Experience handling large datasets * Redis/cache knowledge * Queues and asynchronous processing **AI Integration** * Experience integrating **AI/LLM APIs** * Experience with OpenAI, Anthropic, Amazon Bedrock or similar platforms * Ability to integrate AI into real\-world business workflows * Understanding of prompt engineering and structured AI responses * RAG, vector databases or AI agents experience is an advantage **SaaS / ERP / CRM** * Experience building or maintaining **SaaS applications** * Practical ERP/CRM development experience * Multi\-user and role\-based applications * Subscription and recurring billing systems * Payment gateway integration * Understanding of multi\-tenant SaaS architecture is an advantage * Practical experience integrating **AI/LLM APIs** * Experience with OpenAI, Anthropic, Amazon Bedrock or similar platforms * Ability to integrate AI into existing SaaS workflows * Understanding of prompt engineering, structured AI responses and API\-based AI automation * Experience with AI agents/RAG/vector databases is an advantage Good to Have * Experience with high\-volume SaaS applications * **ERP/CRM product development** * Travel, booking, hospitality or similar domain experience * **AI agents / RAG / vector databases** * Elasticsearch / OpenSearch * Redis * WebSockets / real\-time applications * AWS architecture * Payment and subscription platforms * Experience with production database migrations * Experience designing scalable backend architecture **Candidate Profile** We are looking for someone who: * Has strong problem\-solving and analytical skills * Can understand complex business requirements and convert them into technical solutions * Can independently work on an existing codebase * Understands scalability, performance and security * Is comfortable working with both established and modern technologies * Takes ownership of features from development to production * Is interested in AI\-powered SaaS products * Can work effectively in a fast\-paced product development environment **What We Offer** * Opportunity to work on a **new SaaS product and technology platform** * Exposure to **AI, SaaS, ERP, CRM and cloud technologies** * Opportunity to contribute to backend architecture and technical decisions * Challenging real\-world engineering problems * Growth opportunities within a technology\-focused company **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