Senior Python Backend Engineer - APIs & Scalable Systems

Devsinc; Lahore; On-site; PKR 2,678,000 - 5,022,000; Full time

Job summary

Devsinc in Lahore is seeking a Senior Python Engineer to lead backend development, API integrations, and system design for scalable, high‑performance applications. You will work with international clients in a fast-paced services environment.

The role requires 3+ years in Python backend development, strong English communication, and hands-on experience with Django/Flask/FastAPI, cloud platforms, containers, and CI/CD. You will design, implement, review code, and mentor juniors.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 3+ years of professional Python backend development experience.
• Proficiency in Python, OOP, data structures, and algorithms.
• Experience with Django, Flask, or FastAPI and RESTful APIs.
• Strong understanding of system design, architecture, and scalable apps.
• Experience with relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases, caching.
• Cloud platforms and container tech (AWS/Azure/GCP, Docker, CI/CD).
• Excellent English communication, and ability to lead technical discussions with clients.

Responsibilities

• Design, develop, and maintain scalable Python backend applications.
• Develop and integrate RESTful APIs, microservices, and backend services using Django, Flask, or FastAPI.
• Collaborate directly with international clients to understand requirements and lead technical discussions.
• Translate business requirements into scalable, maintainable technical solutions.
• Contribute to system architecture, design decisions, and development planning.
• Design and optimize relational and NoSQL databases for performance and reliability.
• Integrate third-party APIs, cloud services, and external systems.
• Write clean, reusable, and testable code; conduct code reviews and enforce best practices.
• Take ownership of complex technical challenges, troubleshoot, and ensure timely delivery.
• Collaborate with cross-functional teams, mentor juniors, and participate in Agile processes.

Skills

Python

OOP

Data structures

Algorithms

Problem solving

English communication

Stakeholder management

Agile development

Education

Bachelor's degree in Computer Science or related field

Tools

Django

Flask

FastAPI

RESTful APIs

Microservices

AWS / Azure / GCP

Docker

Git

CI/CD

PostgreSQL

MySQL

MongoDB

Redis

Celery

RabbitMQ

Kafka

Kubernetes

Job description

Devsinc in Lahore is seeking a Senior Python Engineer to lead backend development, API integrations, and system design for scalable, high‑performance applications. You will work with international clients in a fast-paced services environment.

The role requires 3+ years in Python backend development, strong English communication, and hands-on experience with Django/Flask/FastAPI, cloud platforms, containers, and CI/CD. You will design, implement, review code, and mentor juniors.