Sr -Backend Developer

LETITBEX AI; Hyderabad; On-site; INR 2,800,000 - 4,600,000; Full time

Job summary

Letitbex AI in Hyderabad is seeking a Sr.-Backend Developer with 8+ years of experience to design and implement scalable backend systems. You will build REST APIs using FastAPI and Uvicorn, adopt microservices architecture, and ensure security with OAuth2/JWT; strong emphasis on clean code, tests with PyTest, and observability.

The role requires hands-on skills in CI/CD pipelines, Git-based collaboration, and database design (SQL/NoSQL).

Qualifications

• Bachelor’s/master’s degree in computer science, Software Engineering, Information Technology, or a related discipline.

Skills

REST APIs

FastAPI

Microservices

OAuth2/JWT

OOP SOLID

CI/CD

PyTest

SQL/NoSQL

Observability

Git workflows

Education

Bachelor's degree in CS/SE

Tools

Docker

Kubernetes

Job description

Job Description:

About Letitbex AI

Letitbex AI is a fast‑growing AI‑driven technology company focused on building intelligent, scalable, and enterprise‑grade solutions. We work at the intersection of AI, data engineering, cloud, and business transformation, helping organizations unlock real value from artificial intelligence.

Position: Sr.-Backend Developer

Experience: 8+ Years

Notice Period: Can be considered up 15 Days

Qualification/s

Bachelor’s/master’s degree in computer science, Software Engineering, Information Technology, or a related discipline.

Technical Expertise

• Extensive experience developing REST APIs using FastAPI, Uvicorn, and modern Python ecosystem frameworks.
• Strong understanding of microservices, distributed systems, API‑first design, and Backend-for-Frontend (BFF) architecture.
• Proficiency in Object‑Oriented Programming (OOP), SOLID principles, design patterns, and clean code practices.
• Solid experience in asynchronous programming, dependency injection, API validation, exception handling, and performance optimization.
• Strong knowledge of web application security including OAuth2, JWT, OpenID Connect, SSO, secure coding practices, OWASP principles, and vulnerability remediation.
• Strong knowledge in Logging, Monitoring & Troubleshooting – Production support, observability, performance tuning, and root‑cause analysis.
• Hands‑on experience with Git, branch management strategies, pull requests, and collaborative development workflows.
• Experience building and maintaining CI/CD pipelines using modern DevOps tools and automated release processes.
• Hands‑on experience in testing frameworks such as PyTest and automation of units, integration, API, and regression testing.
• Experience with SQL /NoSQL databases, data modeling, query optimization, and backend data management.
• Strong debugging, analytical, and problem‑solving skills with the ability to diagnose issues across applications, infrastructure, and deployment layers.
• Experience independently leading technical initiatives and delivering production grade software solutions.
• Excellent collaboration and communication skills within cross-functional Agile teams.