<p><p><b>Description :</b><br/><br/>Job Title : Backend developer - Lead<br/><br/>Location : Bengaluru, India<br/><br/><b>Looking for a immediate joiner</b><br/><br/><b>About Big AIR Lab :</b><br/><br/>Big AIR Lab, operates at the intersection of applied AI and real-world innovation, where foundational research meets practical deployment.
We build intelligent systems that think collaboratively, adapt contextually, and deliver actionable insights across multiple domains.<br/><br/><b>Role Overview :</b><br/><br/>Were seeking a Lead Backend Developer with 4+ years of experience in Python-based backend development to join our growing team in Bengaluru.<br/><br/>The ideal candidate will have a solid grasp of FastAPI, MongoDB, and scalable service architecture, with additional exposure to SQL databases, cloud integrations, and performance optimization.<br/><br/>A background or strong interest in AI/ML applications will be a plus many of our products integrate directly with LLMs and AI pipelines.<br/><br/><b>Key Responsibilities :</b><br/><br/>- Architect, develop, and maintain scalable backend systems using Python and FastAPI.<br/><br/></p><p>- Design and manage RESTful APIs for internal tools and external integrations.<br/><br/></p><p>- Work with MongoDB, PostgreSQL, and Redis for structured and unstructured data handling.<br/><br/></p><p>- Collaborate closely with frontend, DevOps, and AI/ML teams to build robust, secure solutions.<br/><br/></p><p>- Apply best practices for performance optimization, error handling, logging, and monitoring.<br/><br/></p><p>- Ensure backend systems are highly available, secure, and production-ready.<br/><br/></p><p>- Maintain documentation (Swagger/OpenAPI) and manage API versioning.<br/><br/></p><p>- Optimize database queries, indexes, and schemas for top performance.<br/><br/></p><p>- Write clean, modular, and testable code following OOP principles.<br/><br/></p><p>- Diagnose and resolve production issues efficiently.<br/><br/><b>Required Skills & Experience :</b><br/><br/>- 4+ years of professional backend development experience.<br/><br/></p><p>- Strong knowledge of Python and object-oriented programming.<br/><br/></p><p>- Hands-on expertise with FastAPI (preferred) or Django.<br/><br/></p><p>- Experience working with MongoDB, including schema design and aggregation pipelines.<br/><br/></p><p>- Familiarity with SQL databases like PostgreSQL/MySQL.<br/><br/></p><p>- Exposure to Redis and optionally Supabase.<br/><br/></p><p>- Proficiency in building RESTful APIs, API security, and HTTP fundamentals.<br/><br/></p><p>- Hands-on with Git, Docker, and Linux-based environments.<br/><br/></p><p>- Skilled at debugging, troubleshooting, and optimizing system performance.<br/><br/><b>Nice to Have :</b><br/><br/>- Experience with async/await and asynchronous programming models.<br/><br/></p><p>- Familiarity with WebSocket or real-time backend patterns.<br/><br/></p><p>- Exposure to AI/ML pipelines, vector DBs (FAISS/Qdrant), or model APIs.<br/><br/></p><p>- Integration experience with Firebase, GCP, or Azure services.<br/><br/></p><p>- Working knowledge of JWT, OAuth2, and backend security.<br/><br/></p><p>- Basic understanding of GraphQL, gRPC, and CI/CD pipelines.<br/><br/></p><p>- Experience with Docker Compose, Nginx, or GitHub Actions.<br/><br/><b>Preferred Qualifications :</b><br/><br/>- Bachelors degree in Computer Science, Engineering, or related fields.<br/><br/></p><p>- Proven track record delivering production-grade backend systems.<br/><br/></p><p>- Prior experience in agile teams and using tools like Jira.<br/><br/></p><p>- Strong communication and collaboration skills.<br/><br/></p><p>- Interest or experience in AI-powered systems or SaaS platforms.<br/><br/><b>Perks & Benefits :</b><br/><br/>- Competitive salary with performance-linked incentives.<br/><br/></p><p>- Opportunity to work on AI-driven, intelligent product ecosystems.<br/><br/></p><p>- Access to modern tools, cloud resources, and upskilling support.<br/><br/></p><p>- Flexible work hours and hybrid work model.<br/><br/></p><p>- Engaging team culture with wellness and learning initiatives.</p><br/></p> (ref:hirist.tech)