We are looking for a
Python Backend Engineer
to join our engineering team. In this role, you will be responsible for designing, developing, and maintaining scalable backend systems that power our AI-driven SaaS platform.
You will build secure APIs, integrate with third-party services, optimize database performance, and contribute to the architecture of high-availability systems. The ideal candidate enjoys solving complex engineering challenges, writing clean and maintainable code, and working in a fast-paced, product-focused environment.
Responsibilities
-
Design, develop, and maintain scalable backend services using
Python
.
-
Build production-ready applications using
FastAPI
,
Flask
, or
Django
.
-
Design and implement secure
RESTful APIs
and
GraphQL APIs
.
-
Develop scalable microservices and distributed backend systems.
-
Integrate third-party APIs including payment gateways, CRM systems, AI platforms, communication services, and external SaaS providers.
-
Design efficient database schemas and optimize complex SQL queries.
-
Work with PostgreSQL, MySQL, Redis, MongoDB, and other data storage technologies.
-
Implement authentication and authorization mechanisms (JWT, OAuth2, API Keys).
-
Write reusable, maintainable, and well-documented code following clean architecture principles.
-
Build unit, integration, and API tests to ensure application reliability.
-
Monitor, troubleshoot, and optimize backend performance in production environments.
-
Collaborate closely with Frontend Engineers, DevOps Engineers, QA Engineers, Product Managers, and AI Engineers.
-
Participate in architecture discussions, code reviews, and technical planning.
-
Maintain high standards for security, scalability, and code quality.
Requirements
-
5+ years of professional experience in Python backend development.
-
Strong proficiency in Python programming.
-
Solid experience with
FastAPI
,
Flask
, or
Django
.
-
Strong understanding of REST API and GraphQL design principles.
-
Experience building scalable backend architectures.
-
Excellent knowledge of PostgreSQL and/or MySQL.
-
Experience with NoSQL databases such as MongoDB or Redis.
-
Strong understanding of software architecture, OOP, SOLID Principles, and Design Patterns.
-
Experience with Git and collaborative development workflows.
-
Knowledge of asynchronous programming (async/await).
-
Familiarity with Docker and containerized applications.
-
Understanding of CI/CD pipelines.
-
Experience writing automated tests (PyTest, Unit Testing, Integration Testing).
-
Strong debugging and performance optimization skills.
-
Excellent analytical, communication, and problem-solving abilities.
Preferred Qualifications
Experience with any of the following is a strong plus:
-
AI/LLM integrations (OpenAI, Anthropic, Gemini, DeepSeek)
-
LangChain or AI agent frameworks
-
Celery and background task processing
-
RabbitMQ, Kafka, or message queues
-
WebSockets and real-time communication
-
Elasticsearch
-
Kubernetes
-
AWS, Azure, or Google Cloud
-
Nginx
-
Linux server administration
-
Multi-tenant SaaS architecture
-
CRM integrations (Salesforce, Zoho, HubSpot, Odoo)