Fullstack Developer ( Node JS + React JS)

• Event loop, non-blocking I/O, streams, modules, error handling, memory management. TypeScript: • Types, interfaces, generics, type assertions, decorators, async/await. JavaScript

Fundamentals: • Closures, prototypes, promises, ES6+ features (arrow functions, destructuring, etc.).

RESTful APIs: • CRUD, routing, authentication (JWT, OAuth), error handling, middleware (Express.js).

Databases: • SQL/NoSQL (MySQL, MongoDB), ORMs (Sequelize, Mongoose), schema design, query optimization.

Testing & Debugging: • Unit testing (Jest, Mocha), integration testing, TDD, debugging tools.

Security: •

OWASP Top 10, API security (rate limiting, HTTPS), encryption. Performance & Scaling:

• Caching (Redis), clustering, load balancing, profiling. Version Control & DevOps:

• Git, CI/CD pipelines, Docker basics, cloud deployment (AWS, Azure).

JD : Experience • Minimum 5 years of coding experience in NodeJS, JavaScript and Databases.

• At least 1 year hands-on in TypeScript .

• Hands on experience in performance tuning, debugging, monitoring

Technical Skills

• Excellent knowledge developing scalable and highly-available Restful APIs using NodeJS technologies

•Practical experience with GraphQL.

•Well versed with CI/CD principles, and actively involved in solving, troubleshooting issues in distributed services ecosystem

•Understanding of containerization, experienced in Dockers , Kubernetes. • Exposed to API gateway integrations like 3Scale.

•Understanding of Single-Sign-on or token based authentication (Rest, JWT, oAuth)

•Possess expert knowledge of task/message queues include but not limited to: AWS, Microsoft Azure, Pushpin and Kafka Functional Skills

•Experience in following best Coding, Security, Unit testing and Documentation standards and practices

•Experience in Banking, Financial and Fintech experience in an enterprise environment preferred

•Experience in Agile methodology.

•Ensure quality of technical and application architecture and design of systems across the organization.

•Effectively research and benchmark technology against other best in class technologies.

Soft Skills 1. Communication 2. Teamwork (Agile methodologies, Scrum, Kanban) 3. Problem-Solving (Debugging techniques, Troubleshooting strategies)