Backend Developer (Python/FastAPI)

Job Summary 

We are looking for a skilled and motivated Backend Developer with 2–3 years of experience to join our engineering team. The ideal candidate has a strong foundation in Python and FastAPI, along with experience in PostgreSQL, real-time systems, and modern backend architectures. You will play a key role in designing and developing scalable APIs and backend infrastructure, with a focus on performance, maintainability, and real-time communication using WebRTC and LiveKit. 

Note: This is a full-time, on-site opportunity based in Lahore. Shortlisted candidates will be required to attend an on-site interview. We're looking for professionals who are fully committed to their role and excited to grow with us.

Key Responsibilities 

• Design, build, and maintain backend services and APIs using FastAPI 
• Develop scalable, high-performance systems with PostgreSQL, ensuring data integrity and query efficiency 
• Implement real-time communication features using WebRTC, LiveKit, and WebSockets 
• Collaborate with frontend engineers, product teams, and DevOps to deliver new features and improvements 
• Manage and optimize CI/CD pipelines using tools such as GitHub Actions, GitLab CI, or Jenkins 
• Write clean, modular, and testable code, adhering to best practices and documentation standards 
• Monitor backend systems in production, debug issues, and ensure high availability and reliability 
• Participate in code reviews, sprint planning, and architectural discussions 
• Ensure backend systems follow secure coding practices and scalable design patterns 

Required Skills & Qualifications 

• 2–3 years of experience in backend development using Python 
• Proficient with FastAPI or similar Python frameworks (e.g., Flask, Django REST Framework) 
• Strong experience with PostgreSQL, including schema design and performance tuning 
• Hands-on experience with WebSockets and real-time communication pipelines 
• Practical knowledge of WebRTC and integration with LiveKit 
• Experience with Git and collaborative development workflows 
• Familiarity with CI/CD tools and pipelines 
• Solid understanding of RESTful API principles, authentication (OAuth2, JWT), and HTTP 
• Basic exposure to cloud platforms (AWS, GCP, or Azure) 
• Comfortable working in Agile/Scrum environments using tools like Jira, Trello, or Asana 

Nice to Have 

• Experience with Redis, Celery, or RabbitMQ 
• Familiarity with Docker, Kubernetes, and containerized application deployment 
• Exposure to monitoring tools like Prometheus, Grafana, or Sentry 
• Knowledge of microservice architecture and distributed system design 
• Background in audio/video streaming, signal processing, or AI-based backend services 

Why Join Us? 

• Work on cutting-edge real-time communication solutions. 
• Join a supportive, high-performance team environment. 
• Opportunities for skill advancement and professional growth. 
• Competitive salary and flexible working conditions.