Lead Python Developer – API & Integrations

Job Description: Lead Python Developer – API & Integrations

Location: Kolkata, West Bengal (In-person)

Job Type: Full-time

Experience: Minimum 7 years of professional experience

About the Role

We are looking for a highly experienced Lead Python Developer with deep expertise in Python and FastAPI to architect, develop, and maintain robust end-to-end web solutions. The ideal candidate will lead technical design and implementation for scalable backend APIs, data extraction pipelines, and cloud-based integrations across multiple platforms.

You'll work closely with cross-functional teams to build high-performance, data-driven products that integrate seamlessly with third-party platforms such as Google, Meta (Facebook/Instagram), LinkedIn, and other cloud services.

Key Responsibilities

Backend & API Development

• Architect and develop high-performance backend systems using Python and FastAPI, Django etc
• Build and maintain RESTful APIs and data ingestion pipelines.
• Design and implement ETL workflows for extracting and processing data from third-party platforms.
• Handle OAuth 2.0 authentication, API security, and token management.
• Optimize backend performance, latency, and scalability.

Full Stack & Cloud Integration

• Collaborate on frontend integration using Next.js/ Nest.js or other modern frameworks.
• Lead data integration workflows and API aggregation across environments.
• Implement and manage DevOps pipelines, including CI/CD, Docker, and cloud deployments (AWS, Azure, or GCP).
• Ensure best practices for testing, continuous integration, and high availability.

Collaboration & Delivery

• Drive architectural decisions and participate in code/design reviews.
• Mentor junior engineers and contribute to the overall technical vision.
• Work closely with product and data teams to translate business requirements into scalable technical solutions.

Required Skills & Qualifications

Core Technical Skills

• 7+ years of professional experience in full-stack or backend development.
• Strong command of Python (FastAPI, Django preferred).
• Experience with Cloud API integrations (Google, LinkedIn, Meta, etc.).
• Proven experience in pipeline creation, data extraction, and ETL processes.
• Good understanding of Node.js and Next.js (React) for full-stack collaboration.
• Hands-on experience with REST APIs, JSON, and async I/O handling.
• Expertise in database design (PostgreSQL, MS SQL, or similar RDBMS).
• Working knowledge of DevOps practices, Git, Docker, and CI/CD pipelines.

Soft Skills

• Strong analytical, problem-solving, and leadership abilities.
• Excellent communication and documentation skills.
• Ability to lead initiatives independently while collaborating within a team.

Preferred (Nice to Have)

• Experience with social media analytics or data aggregation APIs.
• Exposure to data visualization, BI tools, or dashboards.
• Familiarity with microservices architecture and serverless deployments.
• Understanding of performance optimization and scaling systems.

Education

Bachelor’s degree in Computer Science, IT, or equivalent practical experience.

Work Location:

Kolkata, West Bengal (In-person) / Hybrid with regular travel commitments