Crownstack is a proven Digital Transformation Service provider mostly serving the US market. We are a User Experience and quality-focused digital engineering company, empowering enterprises to develop and implement cutting-edge digital business models.

Our team of 60+ passionate engineers and designers propels an engineering-driven, people-centric culture, making us a great place to work. Over the years, with a commitment to clean coding and intuitive user experiences, we have achieved an impressive growth.

Our employee-centric HR policies, competitive pay scale, vibrant work environment, and collaboration with super-talented peers make it the perfect place to nurture your career and make an impact.

Role Overview:

- You will be joining a quick-adaptive full-stack engineering team focused on building real-world AI-powered products and solutions.
- You will be writing optimised code in JavaScript and TypeScript and working with advanced NodeJs ReactJs frameworks targeting the latest NodeJs and ReactJs versions
- You will participate in regular design sessions, code reviews, and agile ceremonies
- You will work closely with the team lead/Product owner to help deliver high-quality features within agreed timescales
- You will identify areas for modification or refactoring inside our code base and champion their improvement
- You will lead by example, contributing to a culture of high quality, personal ownership and customer-focused execution
- You will also coordinate with Clients directly on various aspects of the project lifecycle
- You will get early exposure to cutting-edge tools like LangChain, LangGraph, Claude Code,



and modern vector databases
- This is a high-growth role - engineers who demonstrate initiative and curiosity move up quickly
- If youre someone who stays up reading about the latest LLM releases or builds side projects just for fun, this is the place for you

What Were Looking For:

Must-Have Requirements:

- 2 to 5+ years of development experience
- Solid experience in Frontend development with JavaScript / TypeScript/ React or Next.js/ HTML5 + CSS3/ REST API integration
- Strong experience in backend development with NestJS/ Node.js / API development/ Database fundamentals
- Strong experience with relational databases like Postgres or MySQL and ACID principles
- Experience with modern source control systems (like Git, GitHub )
- Analysing user requirements, envisioning system features and functionality
- Design, build, and maintain efficient, reusable, and reliable code by setting expectations and feature priorities throughout the development life cycle
- Strong experience in designing, extending, and implementing REST APIs
- Strong experience in React and Redux Toolkit or other state management libraries
- Exposure to Design patterns, Clean coding practices and SOLID design principles




- Practice vibe coding using AI-assisted development tools like Claude Code, GitHub Copilot, and Cursor to accelerate development
- Excellent communication
- Good Exposure to asynchronous programming

Nice-to-Have Technical Skills:

1. Basic Python programming (data structures, functions, OOP concepts)
2. Familiarity with Git and GitHub for version control
3. Understanding of core AI/ML concepts (supervised learning, neural networks, etc.)
4. Understanding of LangChain or LangGraph
5. Awareness of RAG pipelines, vector databases (e.g., Pinecone, ChromaDB, Weaviate), and embeddings
6. Familiarity with AI agent concepts and agentic workflows
7. Comfort using AI-assisted coding tools like Claude Code, GitHub Copilot, or Cursor
8. Hands-on experience with LangChain, LangGraph, or similar agentic frameworks
9. Exposure to cloud platforms like AWS, GCP, or Azure

Soft Skills We Value:

1. Proactive, dependable, and continuously learning
2. Strong communicator open, direct, and collaborative
3. Receptive to feedback and committed to improving
4. Curious about new AI tools and techniques; explores without being prompted
5. Self-motivated takes ownership and drives work independently
6. Positive and willing attitude toward responsibilities assigned by seniors

Disclaimer : This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Senior Fullstack Engineer (Uttar Pradesh)
🏢 Crownstack
📍 Uttar Pradesh