Full Stack Engineer
COZZERA INTERNATIONAL LLP
2 - 5 years
Agra
Posted: 12/12/2025
Job Description
Position: Full Stack Engineer (ReAct, Python, AWS, LLM APIs)
Experience: 5+ Years
Location: Remote India
Shift: 2 PM 11 PM IST
We are seeking a highly skilled Full Stack Engineer with strong expertise in React (ReAct pattern), Python backend development, AWS cloud services, and SQL . You will build scalable, high-performance, cloud-native applications while integrating frontier LLM APIs into modern workflows.
This is a hands-on engineering role where youll work across the entire stack from UI/UX to backend services, cloud infrastructure, and AI-driven features.
Key Responsibilities
- Develop high-performance frontend applications using React with modern patterns and architecture.
- Build scalable backend services using Python (FastAPI / Flask / Django) .
- Design and optimize SQL queries and schemas in RDS databases (PostgreSQL/MySQL).
- Deploy and manage services on AWS EC2, RDS, S3, API Gateway, Lambda .
- Integrate frontier LLM APIs (OpenAI, Anthropic, Gemini, Llama APIs) into product features.
- Build reusable components, APIs, and microservices with secure coding best practices.
- Work with CI/CD pipelines, Git workflows, and cloud-native deployment patterns.
- Collaborate with product, design, and AI teams to ship features end-to-end.
- Ensure performance, reliability, scalability, and observability across services.
- Write clean, maintainable, and well-documented code following best practices.
Required Skills
- 5+ years of experience as a Full Stack Engineer.
- Strong hands-on experience with React (hooks, context, component design, state management).
- Expertise in Python backend frameworks and API development.
- Strong SQL skills: schema design, query optimization, indexing.
- Deep knowledge of AWS EC2, RDS, S3, IAM, VPC .
- Experience working with frontier LLM APIs (OpenAI, Claude, Gemini, Llama).
- Understanding of modern architectural patterns: MVC, microservices, event-driven systems.
- Strong debugging and performance optimization skills.
Nice to Have
- Experience with serverless (AWS Lambda).
- Familiarity with LangChain, LlamaIndex, or vector DBs.
- Docker and Kubernetes experience.
- Experience with authentication frameworks (OAuth2, JWT).
- Knowledge of caching systems (Redis).
Soft Skills
- Excellent communication and remote collaboration skills.
- Ability to work independently and own features end-to-end.
- Problem-solving mindset with attention to detail.
- Strong adaptability to AI-first development workflows
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