Senior developer

1 week ago

coimbatore, India Kovaion Consulting Full time

Job Title: Senior Node.js DeveloperAbout the RoleWe are building a next-generation AI First CRM workflow automation platform — enabling users to visually create, orchestrate, and execute workflows connecting APIs, data sources, and AI models.We're looking for a strong Node.js Developer who can design and implement the core workflow execution engine, node framework, and integration architecture.Key Responsibilities- Design and implement backend components for a visual workflow automation platform using Node.js and TypeScript.- Develop the workflow runtime engine — capable of sequential, parallel, conditional, and human-in-loop execution.- Build a modular node/plugin architecture (like n8n nodes) for API connectors, data operations, and logic functions.- Implement a secure sandbox for executing user-defined code/functions.- Develop RESTful APIs and WebSocket interfaces for the workflow editor (frontend).- Integrate with databases (MongoDB/Postgres) and manage workflow persistence and execution logs.- Work with Redis / BullMQ (or similar) for distributed workflow execution and queue management.- Ensure high performance, fault tolerance, and scalability across multi-tenant environments.- Collaborate closely with frontend and DevOps teams to ensure smooth integration and deployment.Technical Skills RequiredCore:- Strong in Node.js & TypeScript — deep understanding of async/await, streams, events, and error handling.- Experience with Express.js / Fastify for backend API development.- Hands-on with database ORM frameworks (TypeORM, Prisma, Sequelize).- Strong understanding of workflow orchestration concepts — DAGs, triggers, and execution contexts.- Familiar with Redis / BullMQ / RabbitMQ / Kafka for distributed task management.- Good understanding of sandboxing techniques (vm, isolated process execution, or containers).- Experience designing plugin systems / dynamic module loading (custom nodes or extensions).- Knowledge of Webhooks, Schedulers, API Integrations (REST, OAuth2, WebSocket, etc.).- Experience with Docker / containerization for deployment and scaling.- Experience in AWS Lamda, AWS EKS cluster deployment.Bonus Skills:- Exposure to n8n, Temporal.io, Airflow, or similar automation frameworks.- Knowledge of frontend frameworks (ReactJS) for workflow editors.- Understanding of AI/LLM integration into workflows.- Prior experience building multi-tenant SaaS platforms.- Cloud experience (AWS / GCP / Azure).Soft Skills- Excellent problem-solving and system design thinking.- Collaborative mindset — works well with architects, DevOps, and product teams.- Self-driven to explore open-source projects and implement best practices.- Strong documentation and code quality discipline.Experience- 4+ years of experience in backend development (Node.js).- 1+ year of experience in building scalable, event-driven or automation systems is preferred.- Prior contribution to open-source or internal workflow systems is a strong plus.

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