This role is for one of the Weekday's clients
Salary range: Rs ******* - Rs ******* (ie INR ***** LPA)
Min Experience: 5 years
Location: India
JobType: full-time
We are seeking a highly skilled Backend Engineer with strong expertise in Python and FastAPI to build and scale high-performance systems in an AI-driven environment. This role focuses on developing robust backend services that power intelligent, automation-driven applications, particularly in areas involving conversational AI and large-scale data processing.
You will work on designing and building APIs, integrating AI/LLM capabilities, and ensuring systems are scalable, reliable, and efficient. The role offers the prospect to work on cutting-edge technologies in the AI and voice automation space, contributing to products that streamline high-volume communication workflows across industries.
Key Responsibilities
Design, develop, and maintain scalable backend systems using Python and FastAPI
Build and optimize RESTful APIs and microservices for high-performance applications
Integrate AI/LLM or agentic workflows into backend services where applicable
Collaborate with cross-functional teams including product, AI/ML,



and frontend to deliver end-to-end solutions
Ensure system performance, scalability, and reliability through best engineering practices
Debug and resolve complex technical issues across services and environments
Implement clean, maintainable, and well-documented code
Contribute to architectural decisions and backend design improvements
Support deployment, monitoring, and continuous improvement of backend systems
What Makes You a Great Fit
Strong proficiency in Python with hands-on experience in FastAPI or similar frameworks
Solid understanding of backend development, APIs, and microservices architecture
Educational background in Computer Engineering (B.Tech from a top-tier institute preferred)
Exposure to AI concepts such as LLMs or Agentic AI systems is a strong advantage
Experience working with scalable systems and handling high-throughput applications
Strong problem-solving and debugging skills
Ability to work in a fast-paced, product-driven environment
Good collaboration and communication skills

📌 Founding Engineer (Delhi)
🏢 Weekday AI
📍 Delhi