Back End Developer

Role Overview The company is seeking a

Backend Engineer

to design, build, and scale secure, high-performance

public-facing APIs . The role is highly technical, focusing on backend services with Python, FastAPI, Celery, PostgreSQL, and AWS. The engineer will ensure reliability, scalability, and performance in production systems, while also contributing to architecture discussions and cross-functional collaboration.

⚙️

Key Responsibilities Develop and maintain

RESTful APIs

using Python and FastAPI. Architect

scalable backend systems

with clean, modular, testable code. Implement

asynchronous/background tasks

with Celery. Design and optimize

PostgreSQL schemas and queries . Deploy, monitor, and scale applications on

AWS

(EC2, RDS, S3, Lambda, ECS/EKS). Ensure

API security

(authentication, authorization, rate limiting). Implement

observability

(logging, metrics, tracing). Write

unit/integration tests

and maintain documentation. Participate in

code reviews

and

architecture discussions . Ensure

high availability and reliability

of APIs.

Qualifications 4–6 years

of experience in full-stack or backend development. Strong proficiency in

Python/Java . Hands-on with

FastAPI

(or Flask/Django REST). Proven experience in

scaling public-facing APIs . Deep understanding of

REST principles, API versioning, backward compatibility . Experience with

Celery

for async tasks. Strong expertise in

PostgreSQL

(query optimization, indexing, transactions). Familiarity with

Redis

for caching. AWS deployment experience (EC2, RDS, S3, Lambda, ECS/EKS). Knowledge of

API Gateway, WAF, rate limiting . Authentication/authorization expertise ( OAuth2, JWT ). Experience with

Docker, CI/CD pipelines . Familiarity with

Infrastructure as Code

(Terraform/CloudFormation). Exposure to

frontend technologies

(React, Next.js, TypeScript) is a plus.