Backend Engineer (APIs & Integrations)

We are seeking a Backend Engineer who thrives on building scalable APIs and integrations that power AI-driven products. You’ll design and develop the backbone of X-Demand — from model-serving APIs to ERP/e-commerce integrations — working closely with our Data Science and AI teams to bring intelligent systems into production.

Responsibilities

• Design and build REST/GraphQL APIs to serve ML model outputs (forecasting, pricing, inventory).
• Develop secure integration endpoints for external systems (POS, ERP, e-commerce).
• Work with Data/ML team to deploy models into production-ready services.
• Ensure API reliability, versioning, and documentation for internal & external use.
• Optimize performance, scalability, and maintainability of backend services.
• Implement observability and monitoring tools to track API and model performance in production

Requirements

• 4+ years of experience developing backend services using or Python (FastAPI/Django/Django REST FRAMEWORK).
• Strong background in REST APIs, integrations, and microservices architecture.
• Hands-on Experience with databases (Postgres, MongoDB, or similar).
• Familiarity with cloud services (AWS/GCP/Azure).
• Must have experience in AI/ML concepts (model inference, data pipelines, or MLOps).

Preferred Qualifications

• Experience with GraphQL or gRPC for high-performance APIs.
• Knowledge of event-driven systems (Kafka, RabbitMQ, Pub/Sub).
• Exposure to OAuth2, JWT, and enterprise security standards.
• Experience integrating or serving AI/ML models in production environments.
• Background in retail, e-commerce, or SaaS product integrations.

Familiarity with vector databases (Pinecone, Weaviate, or ChromaDB) and embedding-based search

Benefits

• Fuel Allowance

Medical Insurance

Free Lunch Facility (In-house)

• ️ GYM Passport (Panel Gym's Free of Cost)

Participatory Fund

Market Competitive Salary

Learning & Challenging Work Environment

‍ Amazing Work Culture

Paid Time off

‍‍‍ Group Life Insurance

• Maternity Leaves and many more