This role is for one of the Weekday's clients

Min Experience: 5 years

Location: Bangalore

JobType: full-time

We are seeking an experienced Backend Engineer to design, build, and scale systems that power impactful and engaging learning experiences. This role spans backend development, data infrastructure, and performance optimization — with the opportunity to work on high-impact projects that improve both our platform and internal operations.

Requirements

Key Responsibilities

Design, develop, and maintain backend APIs and systems at scale.
Lead data engineering initiatives to transform messy, unstructured data from multiple sources into reliable, structured datasets.
Profile and optimize database queries and API endpoints for performance.
Integrate media and streaming tools such as Zoom, Slack, and Discord to enable immersive learning experiences.
Build internal tools that improve productivity across non-engineering teams such as marketing and product.
Contribute to open-source projects, with the potential to grow contributions over time.

Technical Requirements

Production experience in JavaScript (Node.js), Python, Go, or Ruby.
Strong SQL skills, preferably with PostgreSQL expertise.
Experience working with Node.js-based technology stacks.
Performance engineering skills, including:

Profiling with APM tools.
Debugging and experimentation to isolate issues.
Interpreting complex query execution plans.

Proficiency in Linux/BSD environments, including:

Bash scripting.
Monitoring using htop, iotop, perf, and similar tools.
Managing system-level constraints (CPU, memory, I/O, file handles).

Familiarity with Git or other version control systems.

Professional Experience

2.5+ years of experience with medium to large-scale production systems OR
5+ years of freelance/contract work with equivalent scope and measurable impact, with the ability to clearly articulate contributions.

Initiative & Impact
We value individuals who have demonstrated initiative and made a significant impact in professional or personal projects, such as:

Starting a company or impactful side project.
Contributing meaningfully to open-source communities.
Leading community or educational initiatives.
Mastering complex skills (e.g., chess, competitive sports).
Volunteering or contributing to causes like teaching or animal rescue.

Nice to Have

Familiarity with data science or statistical methods.
Experience with big data tools or processing pipelines.
Deep knowledge of PostgreSQL internals or other database engines.

Core Skills

Ruby
Golang
Node.js
Python
PostgreSQL
APM tools
Backend Development