
Senior Backend Engineer – Python
4 days ago
Senior Backend Engineer – Python (AI-Powered Systems)
Location: Infopark Koratty, Chalakkudy, Kerala
Employment Type: Full-Time, Onsite
Experience: 5+ Years
About the Role
We are looking for a Senior Backend Engineer – Python who has a solid foundation in backend architecture, real-time systems, and Python development. You will be leading the backend development of AI-powered applications, particularly chatbots and voice bots. This role involves hands-on system design, team mentoring, and building robust, secure, scalable services.
Responsibilities
- Architect and implement scalable Python-based backend services, particularly for AI-driven applications (e.g., chatbots, voice bots).
- Design modular and maintainable codebases, including setting up repository structures and database schema design.
- Lead and mentor developers through all phases of development—from concept to deployment.
- Develop APIs using FastAPI, with robust validation using Pydantic and asynchronous capabilities.
- Implement ORM and migrations using SQLAlchemy and Alembic.
- Integrate task queues using Celery and background processing effectively.
- Build and optimize database systems, including MySQL, PostgreSQL, and related tools.
- Integrate LLMs (e.g., OpenAI, HuggingFace Transformers) into backend systems to support conversational AI capabilities.
- Use AI/NLP libraries such as NLTK, scikit-learn, or equivalents in production-level applications.
- Implement containerization using Docker and maintain version control with Git.
- Contribute to and maintain CI/CD pipelines for smooth and reliable deployments.
- Conduct code reviews to ensure high-quality, maintainable, and well-documented code.
Requirements
- 5–6 years of experience in Python backend development, preferably in AI product environments.
- Proven experience in designing backend architectures from scratch for real-time or intelligent systems.
- Strong knowledge of:
- FastAPI, Pydantic, SQLAlchemy, Alembic
- Celery, Purest, LLM-specific libraries (e.g., OpenAI SDK, HuggingFace)
- AI/ML-related Python libraries: NLTK, scikit-learn
- Experience with PostgreSQL, MySQL, and database design best practices.
- Familiarity with containerization using Docker and basic knowledge of CI/CD tools and Git workflows.
- Experience deploying and integrating LLM-powered applications, including chatbots or voice bots, into production.
- Strong understanding of software engineering best practices, with experience conducting code reviews and mentoring team members.
Preferred
- Experience in multi-tenant or multi-service application design.
- Exposure to cloud platforms like AWS, Azure, or GCP.
Job Type: Full-time
Pay: ₹700, ₹1,500,000.00 per year
Ability to commute/relocate:
- Thrissur, Kerala: Reliably commute or planning to relocate before starting work (Preferred)
Application Question(s):
- What is your current annual salary (INR, in Lakhs)?
- What is your expected annual salary (INR, in Lakhs)?
- What is your current notice period (in days )?
Experience:
- Python backend development: 5 years (Required)
- FastAPI: 3 years (Preferred)
- SQLAlchemy and Alembic: 3 years (Preferred)
- integrating LLMs : 2 years (Preferred)
Work Location: In person
Speak with the employer
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