software engineer

Company Overview VassuTech is a leading provider of Business Intelligence, Data Integration, Data Warehousing, and Master Data Management services and solutions to top-tier companies worldwide. With decades of industry experience, VassuTech bridges the gap between complex business needs and innovative technology solutions to maximize value and performance. Job Description: Senior Backend Engineer ? TypeScript/Node.js & MongoDB We are seeking an experienced Senior Backend Engineer with strong hands-on expertise in TypeScript, Node.js, and MongoDB data modeling at scale to design, develop, and maintain scalable, secure, cloud-native backend services. Key Responsibilities: * Design and develop REST APIs, microservices, distributed systems, and event-driven applications. * Build scalable backend services using TypeScript/Node.js and optimize MongoDB schemas, queries, and performance. * Develop enterprise integrations, asynchronous workflows, and AI-powered backend capabilities. * Work with AWS, CI/CD pipelines, containers, Infrastructure as Code, and automated testing. * Implement secure coding practices, monitor production services, and troubleshoot performance issues. * Leverage AI coding agents and engineering copilots to improve development productivity and code quality. * Contribute to Generative AI, LLMs, RAG pipelines, AI agents, ontologies, and knowledge graphs. Required Skills: * Strong hands-on experience in TypeScript, Node.js, and MongoDB data modeling at scale. * Expertise in REST APIs, microservices, distributed systems, and event-driven architecture. * Experience with AWS, CI/CD, automated testing, and production support. * Knowledge of security, performance optimization, and scalable system design. * Exposure to Generative AI, LLMs, RAG, AI agents, ontologies, or knowledge graphs is highly preferred. Join us at VassuTech to be part of an innovative environment where your expertise will drive impactful solutions. We value energetic professionals eager to push technological boundaries while fostering a collaborative culture focused on growth. Pay: $70.00-$95.00 per hour Work Location: Hybrid remote in Markham, ON L3R 9Z7