Back End Engineer

TymblHub; Kolkata District; On-site; INR 800,000 - 1,500,000; Full time

Job summary

Tekskills India Private Limited in Kolkata, India is seeking a Back End Engineer with 3–5 years of experience to build scalable backend systems using Python and FastAPI. The role focuses on RESTful APIs, NoSQL with Amazon DocumentDB, and a microservices approach in an onsite environment.

The ideal candidate will implement authentication/authorization, security best practices, and work closely with frontend and product teams to ensure robust, high-performance services.

Qualifications

• 3–5 years of backend development experience.
• Strong Python and FastAPI proficiency.
• Experience with NoSQL databases, preferably Amazon DocumentDB.
• Knowledge of authentication/authorization and security best practices.

Responsibilities

• Design, develop, and maintain RESTful APIs using Python and FastAPI.
• Build and optimize backend services with NoSQL databases in a microservices architecture.
• Ensure API performance, scalability, and reliability; implement security controls.
• Collaborate with frontend/product teams for seamless integration and code reviews.
• Follow coding standards, testing practices, and CI/CD pipelines.

Skills

Python

FastAPI

RESTful APIs

Amazon DocumentDB

Git

PyTest

Azure AD

Okta

Docker

Job description

# Back End EngineerTekskills India Private LimitedPosted on October 22, 2026---Experience3 - 5 yrsJob LocationKolkata, IndiaVacancy1DesignationBack End EngineerJob TypeONSITE---## 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 knowledgeAbout the company## Tekskills India Private LimitedIT Services & Consulting · Indian MNCWe provide world-class services and support businesses worldwide in increasing over all effectiveness.New Jersey, USAtekskillsinc.com