Back End Engineer

Tekskills Inc.; Kolkata District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Tekskills Inc. is seeking a Backend Engineer in Kolkata, India with 3-5 years of experience to build scalable backend systems using Python and FastAPI.

Your work will involve NoSQL databases (Amazon DocumentDB) within a microservices-based architecture and close collaboration with frontend and product teams. You will design APIs, ensure performance and security, and contribute to a distributed systems environment.

Qualifications

• Proficiency in Python and FastAPI for building scalable backend services.
• Experience designing RESTful APIs and integrating with NoSQL databases like DocumentDB.
• Hands-on experience with Git-based workflows and testing with PyTest.

Responsibilities

• Design, develop, and maintain RESTful APIs using Python and FastAPI.
• Build and optimize backend services using NoSQL databases (Amazon DocumentDB).
• Collaborate with frontend and product teams for seamless integration.
• Ensure API performance, scalability, and reliability.
• Implement authentication, authorization, and security best practices.
• Work in a microservices and distributed systems environment.
• Debug and resolve production and development issues.
• Follow coding standards, testing practices, and code reviews.

Skills

Python

FastAPI

RESTful APIs

Amazon DocumentDB

Git

PyTest

Azure AD

Okta

Tools

Docker

Job description

Job Summary

We are hiring a Backend Engineer with 3-5 years of experience to build scalable and high-performance backend systems using Python and FastAPI. The role involves working with NoSQL databases (Amazon DocumentDB preferred) in a microservices-based architecture.

Key Responsibilities

• Design, develop, and maintain RESTful APIs using Python and FastAPI
• Build and optimize backend services using NoSQL databases (Amazon DocumentDB)
• Collaborate with frontend and product teams for seamless integration
• Ensure API performance, scalability, and reliability
• Implement authentication, authorization, and security best practices
• Work in a microservices and distributed systems environment
• Debug and resolve production and development issues
• Follow coding standards, testing practices, and code reviews

Required Skills

• Python
• FastAPI
• RESTful APIs
• Amazon DocumentDB
• Git
• PyTest
• Azure AD
• Okta
• Docker

Nice to Have

• Cloud experience (AWS / Azure / GCP)
• Docker and Kubernetes
• Microservices architecture
• CI/CD pipelines and DevOps practices
• Monitoring tools (Prometheus, Grafana)
• WebSockets and real-time systems
• SOC2 compliance knowledge