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

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