# Principal Engineer

> Weekday AI · Bengaluru, India · Full-time · Posted 2026-10-05

**Workplace:** on_site

**Department:** Weekday's Client via platform

## Description

**This role is for one of Weekday’s clients**

  
Min Experience: 14+ years  
Location: Bengaluru  
JobType: full-time

We are hiring a **Principal Engineer** to lead the technical design and development of highly scalable backend systems. This is a **hands-on technical leadership role** involving architecture, system design, complex problem-solving and mentoring of senior engineers.

## Requirements

**Key Responsibilities**

-   Design and build **large-scale distributed backend systems**.
-   Improve system **performance, reliability, scalability and availability**.
-   Solve complex problems related to **concurrency, consistency and asynchronous processing**.
-   Own key architecture and technical design decisions.
-   Work hands-on with critical components and production systems.
-   Set engineering standards and provide technical guidance across teams.
-    Mentor senior engineers and support technical decision-making.
-    Explore and implement **AI-assisted development and AI/ML solutions** where relevant.

**Must-Have Technical Skills**

-   **12+ years** of backend engineering experience.
-    Strong hands-on experience with **Golang (Go)**.
-    Strong experience with **Java, Python or C++** can also be considered.
-    Deep understanding of **Distributed Systems, Concurrency, Consistency Models and Asynchronous Architecture**.
-    Strong **System Design and Architecture** experience.
-    Production experience with **AWS, GCP or Azure**.
-    Strong experience with **Relational and NoSQL databases**.
-    Strong troubleshooting experience across **performance, reliability and scalability**.
-    Previous experience as a **Staff Engineer, Principal Engineer or equivalent**.
-    Strong technical communication and mentoring skills.

Must-have skills

Golang, Java, Distributed Systems

Good-to-have skills

Python, AWS, SQL

## Apply

[Apply at Weekday AI](https://apply.workable.com/weekday-1/j/7406C83FD9/apply)

---
Powered by [Workable](https://www.workable.com)