Location : Bangalore

Experience : 5 to 10 years

Joiners : Immediate / Notice Period < 30 days

Company : Wissen Technology

Job Overview :

We are looking for a passionate and skilled Fullstack Developer with strong backend expertise in Java and advanced frontend proficiency in React, JavaScript, and TypeScript. The ideal candidate will have a deep understanding of core computer science concepts like Multithreading, Collections, and Immutability, and should be highly proficient in building scalable, maintainable systems.

Key Responsibilities :

- Design and develop robust, scalable backend systems using Java (preferably Java 8 or higher).

- Build interactive, high-performance UIs using React.js, JavaScript, and TypeScript.

- Implement complex business logic with clean and maintainable code.

- Write efficient, thread-safe code utilizing Multithreading, HashMaps, HashSets, and Collections.

- Work with iterators and immutability principles to build reliable data flows.

- Collaborate with product managers, designers, and QA teams in an Agile environment.

- Troubleshoot and debug production issues as needed.

Must-Have Skills :

- Strong programming experience in Core Java, Multithreading, and Java Collections Framework.

- Solid knowledge of React.js, JavaScript (ES6+), and TypeScript.

- Hands-on with HashMap, HashSet, Iterators, and Immutable Data Structures.

- Experience working with REST APIs, Spring Boot, and microservice architectures.

- Familiarity with version control systems like Git and CI/CD pipelines.

- Strong problem-solving and analytical skills.

Good to Have :

- Exposure to cloud platforms (AWS, GCP, Azure).

- Experience with state management tools like Redux or Context API.

- Knowledge of performance optimization and memory management in JavaScript.