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Senior Backend Engineer at Weekday AI. This role is for one of the Weekday's clients. Salary range: Rs 500000 - Rs 1800000 (ie INR 5-18 LPA). Min Experience: 8 years. JobType: full-time. We are looking for a highly skilled . Senior Backend Engineer. to design, build, and scale robust backend systems that power high-performance, cloud-native applications. In this role, you will work on complex backend architectures, distributed systems, and microservices that support large-scale SaaS and AI-driven platforms. You will play a key role in technical decision-making, system design, and mentoring engineers while ensuring reliability, performance, and scalability.. Key Responsibilities. Design, develop, and maintain scalable backend services using . Node.js with TypeScript/JavaScript. . . Architect and implement . microservices-based systems. with a strong focus on performance, fault tolerance, and scalability. . Build and optimize data storage and search solutions using . PostgreSQL. and . Elasticsearch. . . Develop and maintain . distributed systems. capable of handling high throughput and low latency at scale. . Containerize applications using . Docker. and manage deployments using . Kubernetes. in production environments. . Implement and improve . CI/CD pipelines. to ensure fast, reliable, and automated deployments. . Work closely with DevOps, frontend, data, and product teams to deliver end-to-end solutions. . Ensure system security, observability, logging, monitoring, and graceful failure handling. . Participate in architecture discussions, code reviews, and technical design reviews. . Mentor junior and mid-level engineers and contribute to engineering best practices and standards. . Required Skills & Qualifications. 8–16 years of experience in backend engineering with strong hands-on expertise in . Node.js. . . Proficiency in . TypeScript and JavaScript. , with a strong understanding of asynchronous programming and event-driven architectures. . Solid experience building and maintaining . microservices. and . distributed systems. . . Strong knowledge of . PostgreSQL. (data modeling, indexing, query optimization) and . Elasticsearch. . . Hands-on experience with . Docker. and . Kubernetes. in production environments. . Deep understanding of cloud platforms such as . AWS, Microsoft Azure, or GCP. . . Experience setting up and maintaining . CI/CD pipelines. and automated testing workflows. . Strong problem-solving skills and the ability to design systems for scale and reliability. . Nice to Have. Experience working on . high-scale SaaS platforms. or . AI-driven systems. . . Exposure to event-driven architectures, message queues, or streaming platforms. . Experience with system observability tools, performance tuning, and cost optimization. . What You’ll Bring. A strong ownership mindset and ability to lead complex backend initiatives. . Excellent communication skills and the ability to collaborate across teams. . Passion for clean code, scalable architecture, and engineering excellence. . Company Location: India.