This role is for one of Weekday’s clients

Min Experience: 12+ years
Location: India
JobType: full time
We are seeking a highly experienced Principal Software Engineer – Data Backend to drive technical excellence across data-intensive backend systems. This is a highly hands-on Individual Contributor role focused on architecture, distributed systems, scalability, performance, and production-grade software engineering.
The ideal candidate will bring deep software engineering expertise to complex data systems, helping shape technical direction, lead high-impact engineering initiatives, mentor senior engineers, and remain closely involved in system design, coding, performance optimization, and production operations.
This is not a conventional data engineering or people-management role. The position is suited for a technical leader who can influence architecture across multiple teams while continuing to build and operate critical systems.
Key Responsibilities
Own the architecture and delivery of major data-intensive backend products or platform initiatives.




Design and build scalable systems across areas such as batch and stream processing, data ingestion, orchestration, semantic systems, ontology layers, analytics, query processing, and data products.
Drive system design decisions focused on scalability, reliability, maintainability, observability, performance, and data quality.
Remain deeply hands-on with critical code, technical designs, architecture reviews, and production systems.
Establish and uphold engineering standards for code quality, testing, operability, reliability, and system design.
Identify and implement performance and cost optimizations across distributed compute, storage, querying, and data-serving layers.
Provide technical direction across multiple engineering teams while remaining actively involved in implementation and delivery.
Lead organization-wide or cross-functional technical initiatives from strategy and design through execution.
Mentor senior

📌 Principal Software Engineer (India)
🏢 Weekday AI
📍 India