Api Automation Tester

Tekskills Inc.; Chennai; On-site; INR 700,000 - 1,200,000; Full time

Job summary

Tekskills Inc. in Chennai, India, seeks a Backend Engineer with 3–5 years of experience to build scalable backend systems using Python and FastAPI.

You will design RESTful APIs and work with NoSQL databases such as Amazon DocumentDB within a microservices-based architecture to deliver high-performance services. You will collaborate with frontend and product teams, implement security best practices, and participate in code reviews, testing, and deployment pipelines using Docker/Kubernetes and

Qualifications

• Proven experience in Python backend development.
• Hands-on with FastAPI and RESTful API design.
• Experience with NoSQL databases, preferably DocumentDB.
• Familiarity with microservices and distributed systems.
• Knowledge of CI/CD and software testing practices.

Responsibilities

• Design, develop, and maintain RESTful APIs using Python and FastAPI.
• Build and optimize backend services using NoSQL databases.
• Collaborate with frontend and product teams for integration.
• Ensure API performance, scalability, and security best practices.
• Work in a microservices environment and perform code reviews.

Skills

Python

FastAPI

REST APIs

NoSQL

Security & Auth

Git & Testing

LLM tools

Microservices

Problem Solving

Tools

Docker

Kubernetes

CI/CD

Prometheus

Grafana

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

• Strong proficiency in Python and FastAPI
• Experience building RESTful APIs
• Hands-on experience with NoSQL databases
• Understanding of query optimization, indexing, and caching
• Knowledge of API design patterns (versioning, rate limiting, throttling)
• Experience with Git, code reviews, and testing frameworks (PyTest preferred)
• Familiarity with authentication and authorization (Azure AD, Okta, etc.)
• Strong problem-solving and communication skills
• Experience using LLM/GPT-based tools for development productivity

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