Position:
Tech Lead / Full Stack Engineer (Python, ReactJs, AWS Serverless, SAM)
Qualifications:
- Bachelor’s or master’s degree in computer science or related field.
- 4+ years of experience in Software Engineering/Development
- 3+ years of experience in Python
- 3+ years of experience in ReactJs
- 2+ years of experience in AWS, Graphql (AppSync) ,SAM, services - Lambda, Glue, Cognito,
- 1+ years of experience in Vector DB & LLM (optional, added advantage)
Requirements:
- Strong experience in Python with Flask / FastAPI frameworks.
- Experience in data processing pipelines using PySpark in AWS Glue
- Strong knowledge of relational databases like PostgreSQL or MySQL.
- Experience with NumPy and Pandas for data processing.
- Knowledge of Celery, Redis/RabbitMQ/ AWS SQS message queues for asynchronous task processing.
Frontend (React.js):
- Strong hands-on experience in React.js, including Redux, Hooks, Context API.
- Proficiency in writing reusable and scalable React components.
- Experience with frontend testing frameworks like Jest, React Testing Library.
General & DevOps Skills:
- Experience with CI/CD pipelines
- Good understanding of Git workflows and version control.
- Knowledge of API documentation tools like Swagger/OpenAPI.
- Familiarity with Agile methodologies like Scrum/Kanban & Jira project management tool.
- Design, develop, and maintain RESTful APIs using Flask or FastAPI.
- Develop microservices using AWS Lambda functions and ETL jobs using AWS Glue & PySpark
- Cleanse, transform, and analyze complex datasets to support business insights and analytics using PySpark.
- Optimize PySpark jobs for performance and scalability.
- Work with Pandas & NumPy for data transformation and analytics.
AWS:
1. Serverless Application Development (AWS SAM & Lambda)
- Design and deploy serverless applications using AWS SAM (Serverless Application
- Develop, test, and maintain AWS Lambda functions for real-time data processing, microservices, and backend automation.
2. Data Engineering with AWS Glue
- Create ETL pipelines with AWS Glue to transform, clean, and catalog structured and semi-structured data.
- Develop Glue Jobs using PySpark and monitor performance, scaling, and job triggers.
- Integrate Glue with data lakes and other AWS data sources S3, and Aurora.
3. Authentication and Access Control (AWS Cognito)
- Implement secure user authentication and authorization using AWS Cognito (user pools and identity pools).
4. AWS Bedrock & LLMs (Optional)
- Utilize AWS Bedrock to build, test, and fine-tune LLM-powered applications using models like Anthropic Claude, Meta Llama, or Amazon Titan.
- Design prompt engineering strategies, fine-tuning workflows, and RAG (Retrieval- Augmented Generation) architectures.
5. GraphQL API Design (AWS AppSync)
- Design scalable GraphQL APIs with AWS AppSync to simplify front-end/backend integration.
- Implement resolvers using Lambda, DynamoDB, and Aurora Serverless data sources.
- Handle schema stitching, caching, real-time subscriptions, and access control.
6. Frontend Integration & DevOps (AWS Amplify)
- Integrate front-end apps (React) with Amplify for CI/CD, hosting, and backend service integration.
- Configure Amplify with GraphQL endpoints (AppSync), Cognito auth, and storage modules.
- Manage deployment pipelines and environment-specific builds.
Vector Store Design & Search (added advantage)
- Design schema for storing dense vector embeddings from LLMs or NLP pipelines.
- Integrate vector DBs with LLMs using frameworks like LangChain, or custom RAG workflows.
Deployment & Performance Optimization
- Optimize APIs and database queries for high performance.
- Deploy and manage applications using Docker, Kubernetes (EKS / ECS).
- Implement unit tests, integration tests, and maintain code quality.
Technical Leadership
- Contribute to architectural decisions and collaborate with stakeholders to gather and analyse requirements.
- Mentor junior engineers and contribute to code reviews to ensure high-quality deliverables.
Problem-Solving
- Debug and resolve technical issues and performance bottlenecks in a timely manner.
- Provide innovative solutions to complex technical challenges.
- Stay updated with emerging technologies and incorporate them into existing systems when
- Optimize application performance and scalability through regular refactoring and tuning.
- Work with product managers, Business Team, and data engineers.
- Participate in code reviews, sprint planning, and architecture discussions.
- Ensure security best practices in both backend and frontend.
- Maintain technical documentation and API specifications.