Senior Fullstack Developer
Codezyng Senior Fullstack Developer
Summary
Senior fullstack developer at Codezyng in Udupi, India, designing and maintaining scalable web applications end to end: TypeScript/Node.js backend services and REST APIs/microservices plus modern frontend frameworks (React, Angular, Vue). The role also expects knowledge of RAG, vector databases, and system design, with cloud and DevOps skills a plus.
We are looking for a skilled and motivated Full Stack Developer with 5+ years of experience in building scalable web applications using TypeScript and Node.js. The ideal candidate should be proficient in both frontend and backend development, with a strong understanding of modern frameworks, APIs, and cloud-based architectures.
Key Responsibilities
- Design, develop, and maintain scalable web applications using TypeScript and Node.js
- Build robust backend services, RESTful APIs, and microservices
- Develop responsive and high-performance frontend applications using modern frameworks (React, Angular, or Vue)
- Collaborate with cross-functional teams including product, design, and QA
- Write clean, maintainable, and efficient code following best practices
- Optimize applications for maximum speed and scalability
- Integrate third-party APIs and services
- Participate in code reviews and ensure code quality standards
- Troubleshoot, debug, and upgrade existing applications
Requirements
- 3+ years of experience in full stack development
- Strong proficiency in TypeScript and JavaScript (ES6+)
- Hands-on experience with Node.js and backend frameworks (Express.js / NestJS)
- Experience with frontend frameworks such as React.js / Angular / Next.js
- Solid understanding of RESTful APIs and microservices architecture
- Experience with databases such as MongoDB, PostgreSQL, or MySQL
- Familiarity with version control systems like Git
- Good understanding of authentication/authorization (JWT, OAuth)
- Knowledge of cloud platforms (AWS, Azure, or GCP) is a plus
- Strong problem-solving and debugging skills
- Knowledge of Retrieval-Augmented Generation (RAG), vector databases, embeddings, and semantic search
- Understanding of prompt engineering, AI model evaluation, and optimization techniques
- Solid understanding of System Design principles including scalability, caching, load balancing, database design, messaging systems, and event-driven architectures
Preferred Qualifications
- Experience with Docker and containerization
- Knowledge of CI/CD pipelines
- Familiarity with testing frameworks (Jest, Mocha, Cypress, etc.)
- Exposure to Agile/Scrum methodologies