We are looking for a Senior Full Stack Engineer with robust experience in React, TypeScript, Node.js, NestJS, GraphQL, and PostgreSQL to build and deliver scalable, production-grade applications.

The ideal candidate should have strong end-to-end ownership across architecture, development, testing, deployment, monitoring, and performance optimization. Experience integrating AI/LLM APIs such as OpenAI or Google Gemini is highly desirable.

Role & Responsibilities
- Own the complete feature lifecycle including architecture, development, code reviews, testing, deployment, and post-production monitoring.
- Develop responsive and scalable frontend applications using React.js and TypeScript.
- Build modular backend services using Node.js and NestJS.
- Design and implement GraphQL schemas, resolvers, and APIs using Apollo.
- Work with API Gateway platforms such as Apigee or equivalent technologies.
- Design and optimize PostgreSQL databases, schemas, queries, and data access layers using TypeORM or Prisma.
- Implement Redis for caching and Kafka for event-driven and asynchronous workflows.




- Integrate OpenAI, Google Gemini, or other LLM APIs into production applications.
- Handle AI-related production challenges including timeouts, rate limits, fallback mechanisms, token usage, and cost optimization.
- Work with Neo4j or graph-based data for relationship-driven applications and insights.
- Collaborate with data engineering teams on Snowflake, dbt, or Airflow pipelines.
- Implement monitoring and product analytics using tools such as Datadog and PostHog.
- Support A/B testing, feature flags, and experimentation platforms such as Optimizely.
- Identify and resolve performance bottlenecks across frontend and backend systems, including GraphQL N+1 queries, database performance, frontend rendering, and API response times.
- Participate in architecture discussions, Architecture Decision Records (ADRs), code reviews, and post-incident reviews.
- Work closely with Product, Design,

📌 Mern Stack Developer (Hyderabad)
🏢 Qentelli
📍 Hyderabad