Backend Engineer (Contractual)

Experience

: 3.00 + years

Salary

: INR 118518-133333 / month (based on experience)

Expected Notice Period

: 15 Days

Shift

: (GMT+05:30) Asia/Kolkata (IST)

Opportunity Type

: Remote

Placement Type

: Full Time Contract for 6 Months(40 hrs a week/160 hrs a month)

(*Note: This is a requirement for one of Uplers' client - Lyzr)What do you need for this opportunity?Must have skills required:problem solver, PostgreSQL/MongoDB, AWS, Python, Fast API, Django, Generative AI, Microservices, Restful APIs, Mongo DB, DevOpsLyzr is Looking for:

We are looking for a skilled Backend Engineer with strong experience in Python-based backend systems and cloud-native development. The ideal candidate will be comfortable building scalable APIs, working with real-time communication, and integrating modern AI/Studio APIs such as Agents and Knowledge Bases.

Key Responsibilities

• Design, develop, and maintain backend services using Python and FastAPI
• Build and optimize RESTful and real-time APIs, including WebSockets
• Work with MongoDB for schema design, data modeling, and query optimization
• Deploy and manage backend services using Docker and AWS
• Integrate and work with Studio APIs such as:
• Agents
• Knowledge Bases (KBs)
• Ensure application performance, scalability, and reliability
• Collaborate closely with frontend, AI, and DevOps teams
• Write clean, maintainable, and well-documented code
• Participate in code reviews and architectural discussions
  

Required Skills & Qualifications

• 3–4 years of hands-on experience in backend development
• Strong proficiency in Python
• Experience building APIs with FastAPI
• Solid working knowledge of MongoDB
• Experience with AWS services (e.g., EC2, S3, ECS, Lambda or similar)
• Hands-on experience with Docker
• Experience implementing WebSockets or other real-time communication mechanisms
• Familiarity with Studio APIs (Agents, Knowledge Bases)
  

Good to Have

• Experience with async programming in Python
• Exposure to AI/LLM-based applications
• Experience with cloud-native or microservices architectures
• Basic understanding of system design and scalability concepts
• Familiarity with CI/CD pipelines
  

What We’re Looking For

• Strong problem-solving and debugging skills
• Ownership mindset and ability to work independently
• Comfortable working in fast-paced environments
• Curiosity to learn and adapt to new technologies
  

Interview Process:

Technical Round 1 (DSA+Problem Solving)Technical Round 2 (Live Coding + System Design)Technical Round 3 (Managerial + Cultural Fit)

How to apply for this opportunity?

• Step 1: Click On Apply! And Register or Login on our portal.
• Step 2: Complete the Screening Form & Upload updated Resume
• Step 3: Increase your chances to get shortlisted & meet the client for the Interview!
  

About Uplers:

Our goal is to make hiring reliable, simple, and fast. Our role will be to help all our talents find and apply for relevant contractual onsite opportunities and progress in their career. We will support any grievances or challenges you may face during the engagement.(Note: There are many more opportunities apart from this on the portal. Depending on the assessments you clear, you can apply for them as well).So, if you are ready for a new challenge, a great work environment, and an opportunity to take your career to the next level, don't hesitate to apply today. We are waiting for you!