# Senior Software Engineer

> Weekday AI · Mumbai, India · Full-time · Posted 2026-05-04

**Salary:** INR 600,000–1,200,000

**Workplace:** on_site

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

## Description

**This role is for one of the Weekday's clients**

**Salary range: Rs 600000 - Rs 1200000 (ie INR 6 - 12 LPA)  
  
**Min Experience: 2 years

Location: Mumbai

JobType: full-time

We are seeking a highly skilled Senior Software Engineer to serve as the technical backbone of our digital platforms. This role focuses on building scalable backend systems, ensuring architectural integrity, and enabling high-performance AI-driven applications. The ideal candidate is a system-oriented engineer who excels at designing robust infrastructure, optimizing databases, and supporting large-scale user interactions.

## Requirements

**Key Responsibilities:**

**Backend Architecture & API Development**

-   Design, develop, and maintain scalable server-side applications using Python (FastAPI/Django) or Node.js.
-   Architect and optimize complex database systems across NoSQL (MongoDB) and relational databases (PostgreSQL/MySQL).
-   Build secure, high-performance RESTful and GraphQL APIs for web and mobile platforms.

**AI Infrastructure & Data Engineering**

-   Develop backend systems supporting AI workflows, including prompt pipelines, vector databases (e.g., Pinecone, Milvus), and asynchronous task processing (Celery/Redis).
-   Deploy and manage large language models (LLMs) and ML models in production environments with a focus on scalability and low latency.

**Cloud Operations & DevOps**

-   Manage and optimize cloud infrastructure on platforms such as AWS or GCP.
-   Lead containerization efforts using Docker/Kubernetes and maintain CI/CD pipelines.
-   Implement security best practices including OAuth, JWT, and data encryption.

**System Design & Performance Optimization**

-   Handle system-level programming challenges including concurrency, memory management, and performance bottlenecks.
-   Ensure high availability, fault tolerance, and efficient resource utilization across systems.

**Required Skills & Qualifications:**

-   5+ years of experience in backend or full-stack engineering roles.
-   Strong expertise in Python and/or Node.js.
-   Deep understanding of database design, optimization, and large-scale data handling.
-   Hands-on experience with cloud platforms (AWS or GCP).
-   Familiarity with caching systems and messaging queues such as Redis or RabbitMQ.
-   Proven ability to design and scale distributed systems.
-   Experience integrating AI/ML models, especially LLMs, into production systems.

**Preferred Skills:**

-   Exposure to full software development lifecycle (SDLC).
-   Experience working on high-scale platforms with large user bases.
-   Strong debugging and performance optimization capabilities.

## Apply

[Apply at Weekday AI](https://apply.workable.com/weekday-1/j/DBCFA46DA6/apply)

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