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Senior Software Engineer (Backend) Location: Pune, India
We are looking for a Senior Software Engineer to join our Product Engineering team and build scalable, high-performance software products.
This role is designed for an experienced backend engineer who enjoys solving complex engineering problems, designing reliable systems, and owning features from concept to production.
You will work across system design, architecture decisions, backend development, integrations, cloud deployments, and engineering quality. The role requires robust technical ownership, hands-on development expertise, and the ability to collaborate with product and engineering teams to deliver business-critical solutions.
At Indexnine, we are building an AI-first engineering culture where engineers use modern tools, automation, and emerging technologies to improve how software is designed, developed, tested, and delivered.
Responsibilities:
System Design
• Convert product requirements and business needs into scalable technical solutions.
• Design and develop backend modules with focus on performance,



reliability, and maintainability.
• Build, optimize, and maintain RESTful APIs for high-volume applications.
• Design database schemas and optimize queries to support scalability and availability.
• Implement event-driven architectures using messaging systems, pub/sub models, queues, and caching strategies.
• Build systems with strong observability, maintainability, and ease of adoption.
• Improve application resilience through effective error handling, session management, and fault-tolerant design practices.
• Implement secure engineering practices across authentication, authorization, and data protection.

Engineering & Development
• Contribute as a hands-on senior engineer across design, development, testing, and deployment.
• Own assigned modules and features throughout the complete engineering lifecycle.
• Deliver high-quality code through strong design principles, development prac

📌 Senior Software Engineer (Pune)
🏢 indexnine technologies
📍 Pune